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gzip boot modules.

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. import gzip
This commit is contained in:
Ben Gras 2012-02-16 23:06:42 +00:00
parent ff56906879
commit 5a645f22a8
321 changed files with 59837 additions and 2 deletions
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1
etc/mtree/minix.tree
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@ -52,6 +52,7 @@
755 root operator /usr/include/prop
755 root operator /usr/include/ddekit
755 root operator /usr/include/ddekit/minix
755 root operator /usr/include/lzma
755 root operator /usr/include/minix
755 root operator /usr/include/net
755 root operator /usr/include/net/gen

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# $NetBSD: Makefile,v 1.1 2010/11/02 16:34:36 joerg Exp $
SUBDIR+= lib .WAIT bin
.include <bsd.subdir.mk>

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# $NetBSD: Makefile.inc,v 1.1 2010/11/02 16:34:36 joerg Exp $
XZHOMEPAGE= http://tukaani.org/xz/
XZVERSION= 5.0.0
XZSRCDIR:= ${.PARSEDIR}/dist
XZINCDIR:= ${.PARSEDIR}/include
CPPFLAGS+= -I${XZINCDIR}
CPPFLAGS+= -I${XZSRCDIR}/src/common
CPPFLAGS+= -I${XZSRCDIR}/src/liblzma/api
CPPFLAGS+= -DHAVE_CONFIG_H
CFLAGS+= -std=c99
WARNS= 2

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# $NetBSD: Makefile,v 1.1 2010/11/02 16:34:36 joerg Exp $
PROG= xz
BINDIR= /usr/bin
SRCS= args.c coder.c file_io.c hardware.c list.c main.c \
message.c options.c signals.c suffix.c util.c \
tuklib_exit.c tuklib_cpucores.c tuklib_open_stdxxx.c \
tuklib_mbstr_fw.c tuklib_mbstr_width.c \
tuklib_physmem.c tuklib_progname.c
USETBL= yes
.include <bsd.init.mk>
CPPFLAGS+= -DPACKAGE=\"xz\"
CPPFLAGS+= -DENABLE_NLS -DLOCALEDIR=\"/usr/share/locale\"
DPADD+= ${LIBLZMA} ${LIBINTL}
LDADD+= -llzma -lintl
LINKS+= ${BINDIR}/xz ${BINDIR}/unxz \
${BINDIR}/xz ${BINDIR}/xzcat \
.PATH: ${XZSRCDIR}/src/common ${XZSRCDIR}/src/xz
.for lang in cs de it
FILES+= ${XZSRCDIR}/po/${lang}.gmo
FILESDIR_${XZSRCDIR}/po/${lang}.gmo= /usr/share/locale/${lang}/LC_MESSAGES
FILESNAME_${XZSRCDIR}/po/${lang}.gmo= xz.mo
.endfor
.include <bsd.prog.mk>

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.include "../Makefile.inc"

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external/public-domain/xz/bin/lzmainfo/Makefile vendored Normal file
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# $NetBSD: Makefile,v 1.1 2011/08/04 03:38:06 matt Exp $
PROG= lzmainfo
BINDIR= /usr/bin
SRCS= lzmainfo.c
#args.c coder.c file_io.c hardware.c list.c main.c \
# message.c options.c signals.c suffix.c util.c
SRCS+= tuklib_exit.c tuklib_cpucores.c tuklib_open_stdxxx.c \
tuklib_mbstr_fw.c tuklib_mbstr_width.c \
tuklib_physmem.c tuklib_progname.c
#USETBL= yes
.include <bsd.init.mk>
CPPFLAGS+= -DPACKAGE=\"xz\"
CPPFLAGS+= -DENABLE_NLS -DLOCALEDIR=\"/usr/share/locale\"
DPADD+= ${LIBLZMA} ${LIBINTL}
LDADD+= -llzma -lintl
.PATH: ${XZSRCDIR}/src/common ${XZSRCDIR}/src/lzmainfo
.include <bsd.prog.mk>

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# $NetBSD: Makefile,v 1.1 2011/08/04 03:38:06 matt Exp $
PROG= xz
BINDIR= /usr/bin
SRCS= args.c coder.c file_io.c hardware.c list.c main.c \
message.c options.c signals.c suffix.c util.c \
tuklib_exit.c tuklib_cpucores.c tuklib_open_stdxxx.c \
tuklib_mbstr_fw.c tuklib_mbstr_width.c \
tuklib_physmem.c tuklib_progname.c
USETBL= yes
.include <bsd.init.mk>
CPPFLAGS+= -DPACKAGE=\"xz\"
CPPFLAGS+= -DENABLE_NLS -DLOCALEDIR=\"/usr/share/locale\"
DPADD+= ${LIBLZMA} ${LIBINTL}
LDADD+= -llzma -lintl
LINKS+= ${BINDIR}/xz ${BINDIR}/lzcat
LINKS+= ${BINDIR}/xz ${BINDIR}/lzma
LINKS+= ${BINDIR}/xz ${BINDIR}/unlzma
LINKS+= ${BINDIR}/xz ${BINDIR}/unxz
LINKS+= ${BINDIR}/xz ${BINDIR}/xzcat
MLINKS+= xz.1 lzcat.1
MLINKS+= xz.1 lzma.1
MLINKS+= xz.1 unlzma.1
MLINKS+= xz.1 unxz.1
MLINKS+= xz.1 xzcat.1
.PATH: ${XZSRCDIR}/src/common ${XZSRCDIR}/src/xz
.if ${MKNLS} != "no"
.for lang in cs de it
FILES+= ${XZSRCDIR}/po/${lang}.gmo
FILESDIR_${XZSRCDIR}/po/${lang}.gmo= /usr/share/locale/${lang}/LC_MESSAGES
FILESNAME_${XZSRCDIR}/po/${lang}.gmo= xz.mo
.endfor
.endif
.include <bsd.prog.mk>

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Authors of XZ Utils
===================
XZ Utils is developed and maintained by Lasse Collin
<lasse.collin@tukaani.org>.
Major parts of liblzma are based on code written by Igor Pavlov,
specifically the LZMA SDK <http://7-zip.org/sdk.html>. Without
this code, XZ Utils wouldn't exist.
The SHA-256 implementation in liblzma is based on the code found from
7-Zip <http://7-zip.org/>, which has a modified version of the SHA-256
code found from Crypto++ <http://www.cryptopp.com/>. The SHA-256 code
in Crypto++ was written by Kevin Springle and Wei Dai.
Some scripts have been adapted from gzip. The original versions
were written by Jean-loup Gailly, Charles Levert, and Paul Eggert.
Andrew Dudman helped adapting the script and their man pages for
XZ Utils.
The GNU Autotools based build system contains files from many authors,
which I'm not trying list here.
Several people have contributed fixes or reported bugs. Most of them
are mentioned in the file THANKS.

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XZ Utils Licensing
==================
Different licenses apply to different files in this package. Here
is a rough summary of which licenses apply to which parts of this
package (but check the individual files to be sure!):
- liblzma is in the public domain.
- xz, xzdec, and lzmadec command line tools are in the public
domain unless GNU getopt_long had to be compiled and linked
in from the lib directory. The getopt_long code is under
GNU LGPLv2.1+.
- The scripts to grep, diff, and view compressed files have been
adapted from gzip. These scripts and their documentation are
under GNU GPLv2+.
- All the documentation in the doc directory and most of the
XZ Utils specific documentation files in other directories
are in the public domain.
- Translated messages are in the public domain.
- The build system contains public domain files, and files that
are under GNU GPLv2+ or GNU GPLv3+. None of these files end up
in the binaries being built.
- Test files and test code in the tests directory, and debugging
utilities in the debug directory are in the public domain.
- The extra directory may contain public domain files, and files
that are under various free software licenses.
You can do whatever you want with the files that have been put into
the public domain. If you find public domain legally problematic,
take the previous sentence as a license grant. If you still find
the lack of copyright legally problematic, you have too many
lawyers.
As usual, this software is provided "as is", without any warranty.
If you copy significant amounts of public domain code from XZ Utils
into your project, acknowledging this somewhere in your software is
polite (especially if it is proprietary, non-free software), but
naturally it is not legally required. Here is an example of a good
notice to put into "about box" or into documentation:
This software includes code from XZ Utils <http://tukaani.org/xz/>.
The following license texts are included in the following files:
- COPYING.LGPLv2.1: GNU Lesser General Public License version 2.1
- COPYING.GPLv2: GNU General Public License version 2
- COPYING.GPLv3: GNU General Public License version 3
Note that the toolchain (compiler, linker etc.) may add some code
pieces that are copyrighted. Thus, it is possible that e.g. liblzma
binary wouldn't actually be in the public domain in its entirety
even though it contains no copyrighted code from the XZ Utils source
package.
If you have questions, don't hesitate to ask the author(s) for more
information.

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XZ Utils Installation
=====================
0. Preface
1. Supported platforms
1.1. Compilers
1.2. Platform-specific notes
1.2.1. IRIX
1.2.2. MINIX 3
1.2.3. OpenVMS
1.2.4. Tru64
1.2.5. Windows
1.2.6. DOS
1.3. Adding support for new platforms
2. configure options
2.1. Static vs. dynamic linking of liblzma
2.2. Optimizing xzdec and lzmadec
3. xzgrep and other scripts
3.1. Dependencies
3.2. PATH
4. Troubleshooting
4.1. "No C99 compiler was found."
4.2. "No POSIX conforming shell (sh) was found."
4.3. configure works but build fails at crc32_x86.S
4.4. Lots of warnings about symbol visibility
0. Preface
----------
If you aren't familiar with building packages that use GNU Autotools,
see the file INSTALL.generic for generic instructions before reading
further.
If you are going to build a package for distribution, see also the
file PACKAGERS. It contains information that should help making the
binary packages as good as possible, but the information isn't very
interesting to those making local builds for private use or for use
in special situations like embedded systems.
1. Supported platforms
----------------------
XZ Utils are developed on GNU/Linux, but they should work on many
POSIX-like operating systems like *BSDs and Solaris, and even on
a few non-POSIX operating systems.
1.1. Compilers
A C99 compiler is required to compile XZ Utils. If you use GCC, you
need at least version 3.x.x. GCC version 2.xx.x doesn't support some
C99 features used in XZ Utils source code, thus GCC 2 won't compile
XZ Utils.
XZ Utils takes advantage of some GNU C extensions when building
with GCC. Because these extensions are used only when building
with GCC, it should be possible to use any C99 compiler.
1.2. Platform-specific notes
1.2.1. IRIX
MIPSpro 7.4.4m has been reported to produce broken code if using
the -O2 optimization flag ("make check" fails). Using -O1 should
work.
1.2.2. MINIX 3
The default install of MINIX 3 includes Amsterdam Compiler Kit (ACK),
which doesn't support C99. Install GCC to compile XZ Utils.
MINIX 3.1.8 (and possibly some other versions too) has bugs in
/usr/include/stdint.h, which has to be patched before XZ Utils
can be compiled correctly. See
<http://gforge.cs.vu.nl/gf/project/minix/tracker/?action=TrackerItemEdit&tracker_item_id=537>.
XZ Utils doesn't have code to detect the amount of physical RAM and
number of CPU cores on MINIX 3.
See section 4.4 in this file about symbol visibility warnings (you
may want to pass gl_cv_cc_visibility=no to configure).
1.2.3. OpenVMS
XZ Utils can be built for OpenVMS, but the build system files
are not included in the XZ Utils source package. The required
OpenVMS-specific files are maintained by Jouk Jansen and can be
downloaded here:
http://nchrem.tnw.tudelft.nl/openvms/software2.html#xzutils
1.2.4. Tru64
If you try to use the native C compiler on Tru64 (passing CC=cc to
configure), you may need the workaround mention in section 4.1 in
this file (pass also ac_cv_prog_cc_c99= to configure).
1.2.5. Windows
Building XZ Utils on Windows is supported under MinGW + MSYS,
MinGW-w64 + MSYS, and Cygwin. There is windows/build.bash to
ease packaging XZ Utils with MinGW(-w64) + MSYS into a
redistributable .zip or .7z file. See windows/INSTALL-Windows.txt
for more information.
It might be possible to build liblzma with a non-GNU toolchain too,
but that will probably require writing a separate makefile. Building
the command line tools with non-GNU toolchains will be harder than
building only liblzma.
Even if liblzma is built with MinGW, the resulting DLL or static
library can be used by other compilers and linkers, including MSVC.
Thus, it shouldn't be a problem to use MinGW to build liblzma even
if you cannot use MinGW to build the rest of your project. See
windows/README-Windows.txt for details.
1.2.6. DOS
There is an experimental Makefile in the "dos" directory to build
XZ Utils on DOS using DJGPP. Support for long file names (LFN) is
needed. See dos/README for more information.
GNU Autotools based build hasn't been tried on DOS. If you try, I
would like to hear if it worked.
1.3. Adding support for new platforms
If you have written patches to make XZ Utils to work on previously
unsupported platform, please send the patches to me! I will consider
including them to the official version. It's nice to minimize the
need of third-party patching.
One exception: Don't request or send patches to change the whole
source package to C89. I find C99 substantially nicer to write and
maintain. However, the public library headers must be in C89 to
avoid frustrating those who maintain programs, which are strictly
in C89 or C++.
2. configure options
--------------------
In most cases, the defaults are what you want. Many of the options
below are useful only when building a size-optimized version of
liblzma or command line tools.
--enable-encoders=LIST
--disable-encoders
Specify a comma-separated LIST of filter encoders to
build. See "./configure --help" for exact list of
available filter encoders. The default is to build all
supported encoders.
If LIST is empty or --disable-encoders is used, no filter
encoders will be built and also the code shared between
encoders will be omitted.
Disabling encoders will remove some symbols from the
liblzma ABI, so this option should be used only when it
is known to not cause problems.
--enable-decoders=LIST
--disable-decoders
This is like --enable-encoders but for decoders. The
default is to build all supported decoders.
--enable-match-finders=LIST
liblzma includes two categories of match finders:
hash chains and binary trees. Hash chains (hc3 and hc4)
are quite fast but they don't provide the best compression
ratio. Binary trees (bt2, bt3 and bt4) give excellent
compression ratio, but they are slower and need more
memory than hash chains.
You need to enable at least one match finder to build the
LZMA1 or LZMA2 filter encoders. Usually hash chains are
used only in the fast mode, while binary trees are used to
when the best compression ratio is wanted.
The default is to build all the match finders if LZMA1
or LZMA2 filter encoders are being built.
--enable-checks=LIST
liblzma support multiple integrity checks. CRC32 is
mandatory, and cannot be omitted. See "./configure --help"
for exact list of available integrity check types.
liblzma and the command line tools can decompress files
which use unsupported integrity check type, but naturally
the file integrity cannot be verified in that case.
Disabling integrity checks may remove some symbols from
the liblzma ABI, so this option should be used only when
it is known to not cause problems.
--disable-xz
--disable-xzdec
--disable-lzmadec
--disable-lzmainfo
Don't build and install the command line tool mentioned
in the option name.
NOTE: Disabling xz will skip some tests in "make check".
NOTE: If xzdec is disabled and lzmadec is left enabled,
a dangling man page symlink lzmadec.1 -> xzdec.1 is
created.
--disable-lzma-links
Don't create symlinks for LZMA Utils compatibility.
This includes lzma, unlzma, and lzcat. If scripts are
installed, also lzdiff, lzcmp, lzgrep, lzegrep, lzfgrep,
lzmore, and lzless will be omitted if this option is used.
--disable-scripts
Don't install the scripts xzdiff, xzgrep, xzmore, xzless,
and their symlinks.
--disable-assembler
liblzma includes some assembler optimizations. Currently
there is only assembler code for CRC32 and CRC64 for
32-bit x86.
All the assembler code in liblzma is position-independent
code, which is suitable for use in shared libraries and
position-independent executables. So far only i386
instructions are used, but the code is optimized for i686
class CPUs. If you are compiling liblzma exclusively for
pre-i686 systems, you may want to disable the assembler
code.
--enable-unaligned-access
Allow liblzma to use unaligned memory access for 16-bit
and 32-bit loads and stores. This should be enabled only
when the hardware supports this, i.e. when unaligned
access is fast. Some operating system kernels emulate
unaligned access, which is extremely slow. This option
shouldn't be used on systems that rely on such emulation.
Unaligned access is enabled by default on x86, x86-64,
and big endian PowerPC.
--enable-small
Reduce the size of liblzma by selecting smaller but
semantically equivalent version of some functions, and
omit precomputed lookup tables. This option tends to
make liblzma slightly slower.
Note that while omitting the precomputed tables makes
liblzma smaller on disk, the tables are still needed at
run time, and need to be computed at startup. This also
means that the RAM holding the tables won't be shared
between applications linked against shared liblzma.
This option doesn't modify CFLAGS to tell the compiler
to optimize for size. You need to add -Os or equivalent
flag(s) to CFLAGS manually.
--enable-assume-ram=SIZE
On the most common operating systems, XZ Utils is able to
detect the amount of physical memory on the system. This
information is used by the options --memlimit-compress,
--memlimit-decompress, and --memlimit when setting the
limit to a percentage of total RAM.
On some systems, there is no code to detect the amount of
RAM though. Using --enable-assume-ram one can set how much
memory to assume on these systems. SIZE is given as MiB.
The default is 128 MiB.
Feel free to send patches to add support for detecting
the amount of RAM on the operating system you use. See
src/common/tuklib_physmem.c for details.
--disable-threads
Disable threading support. This makes some things
thread-unsafe, meaning that if multithreaded application
calls liblzma functions from more than one thread,
something bad may happen.
Use this option if threading support causes you trouble,
or if you know that you will use liblzma only from
single-threaded applications and want to avoid dependency
on libpthread.
--enable-debug
This enables the assert() macro and possibly some other
run-time consistency checks. It makes the code slower, so
you normally don't want to have this enabled.
--enable-werror
If building with GCC, make all compiler warnings an error,
that abort the compilation. This may help catching bugs,
and should work on most systems. This has no effect on the
resulting binaries.
2.1. Static vs. dynamic linking of liblzma
On 32-bit x86, linking against static liblzma can give a minor
speed improvement. Static libraries on x86 are usually compiled as
position-dependent code (non-PIC) and shared libraries are built as
position-independent code (PIC). PIC wastes one register, which can
make the code slightly slower compared to a non-PIC version. (Note
that this doesn't apply to x86-64.)
If you want to link xz against static liblzma, the simplest way
is to pass --disable-shared to configure. If you want also shared
liblzma, run configure again and run "make install" only for
src/liblzma.
2.2. Optimizing xzdec and lzmadec
xzdec and lzmadec are intended to be relatively small instead of
optimizing for the best speed. Thus, it is a good idea to build
xzdec and lzmadec separately:
- To link the tools against static liblzma, pass --disable-shared
to configure.
- To select somewhat size-optimized variant of some things in
liblzma, pass --enable-small to configure.
- Tell the compiler to optimize for size instead of speed.
E.g. with GCC, put -Os into CFLAGS.
- xzdec and lzmadec will never use multithreading capabilities of
liblzma. You can avoid dependency on libpthread by passing
--disable-threads to configure.
- There are and will be no translated messages for xzdec and
lzmadec, so it is fine to pass also --disable-nls to configure.
- Only decoder code is needed, so you can speed up the build
slightly by passing --disable-encoders to configure. This
shouldn't affect the final size of the executables though,
because the linker is able to omit the encoder code anyway.
If you have no use for xzdec or lzmadec, you can disable them with
--disable-xzdec and --disable-lzmadec.
3. xzgrep and other scripts
---------------------------
3.1. Dependencies
POSIX shell (sh) and bunch of other standard POSIX tools are required
to run the scripts. The configure script tries to find a POSIX
compliant sh, but if it fails, you can force the shell by passing
gl_cv_posix_shell=/path/to/posix-sh as an argument to the configure
script.
Some of the scripts require also mktemp. The original mktemp can be
found from <http://www.mktemp.org/>. On GNU, most will use the mktemp
program from GNU coreutils instead of the original implementation.
Both mktemp versions are fine for XZ Utils (and practically for
everything else too).
3.2. PATH
The scripts assume that the required tools (standard POSIX utilities,
mktemp, and xz) are in PATH; the scripts don't set the PATH themselves.
Some people like this while some think this is a bug. Those in the
latter group can easily patch the scripts before running the configure
script by taking advantage of a placeholder line in the scripts.
For example, to make the scripts prefix /usr/bin:/bin to PATH:
perl -pi -e 's|^#SET_PATH.*$|PATH=/usr/bin:/bin:\$PATH|' \
src/scripts/xz*.in
4. Troubleshooting
------------------
4.1. "No C99 compiler was found."
You need a C99 compiler to build XZ Utils. If the configure script
cannot find a C99 compiler and you think you have such a compiler
installed, set the compiler command by passing CC=/path/to/c99 as
an argument to the configure script.
If you get this error even when you think your compiler supports C99,
you can override the test by passing ac_cv_prog_cc_c99= as an argument
to the configure script. The test for C99 compiler is not perfect (and
it is not as easy to make it perfect as it sounds), so sometimes this
may be needed. You will get a compile error if your compiler doesn't
support enough C99.
4.2. "No POSIX conforming shell (sh) was found."
xzgrep and other scripts need a shell that (roughly) conforms
to POSIX. The configure script tries to find such a shell. If
it fails, you can force the shell to be used by passing
gl_cv_posix_shell=/path/to/posix-sh as an argument to the configure
script.
4.3. configure works but build fails at crc32_x86.S
The easy fix is to pass --disable-assembler to the configure script.
The configure script determines if assembler code can be used by
looking at the configure triplet; there is currently no check if
the assembler code can actually actually be built. The x86 assembler
code should work on x86 GNU/Linux, *BSDs, Solaris, Darwin, MinGW,
Cygwin, and DJGPP. On other x86 systems, there may be problems and
the assembler code may need to be disabled with the configure option.
If you get this error when building for x86-64, you have specified or
the configure script has misguessed your architecture. Pass the
correct configure triplet using the --build=CPU-COMPANY-SYSTEM option
(see INSTALL.generic).
4.4. Lots of warnings about symbol visibility
On some systems where symbol visibility isn't supported, GCC may
still accept the visibility options and attributes, which will make
configure think that visibility is supported. This will result in
many compiler warnings. You can avoid the warnings by forcing the
visibility support off by passing gl_cv_cc_visibility=no as an
argument to the configure script. This has no effect on the
resulting binaries, but fewer warnings looks nicer and may allow
using --enable-werror.

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XZ Utils User-Visible Changes
=============================
5.0.0 (2010-10-23)
Only the most important changes compared to 4.999.9beta are listed
here. One change is especially important:
* The memory usage limit is now disabled by default. Some scripts
written before this change may have used --memory=max on xz command
line or in XZ_OPT. THESE USES OF --memory=max SHOULD BE REMOVED
NOW, because they interfere with user's ability to set the memory
usage limit himself. If user-specified limit causes problems to
your script, blame the user.
Other significant changes:
* Added support for XZ_DEFAULTS environment variable. This variable
allows users to set default options for xz, e.g. default memory
usage limit or default compression level. Scripts that use xz
must never set or unset XZ_DEFAULTS. Scripts should use XZ_OPT
instead if they need a way to pass options to xz via an
environment variable.
* The compression settings associated with the preset levels
-0 ... -9 have been changed. --extreme was changed a little too.
It is now less likely to make compression worse, but with some
files the new --extreme may compress slightly worse than the old
--extreme.
* If a preset level (-0 ... -9) is specified after a custom filter
chain options have been used (e.g. --lzma2), the custom filter
chain will be forgotten. Earlier the preset options were
completely ignored after custom filter chain options had been
seen.
* xz will create sparse files when decompressing if the uncompressed
data contains long sequences of binary zeros. This is done even
when writing to standard output that is connected to a regular
file and certain additional conditions are met to make it safe.
* Support for "xz --list" was added. Combine with --verbose or
--verbose --verbose (-vv) for detailed output.
* I had hoped that liblzma API would have been stable after
4.999.9beta, but there have been a couple of changes in the
advanced features, which don't affect most applications:
- Index handling code was revised. If you were using the old
API, you will get a compiler error (so it's easy to notice).
- A subtle but important change was made to the Block handling
API. lzma_block.version has to be initialized even for
lzma_block_header_decode(). Code that doesn't do it will work
for now, but might break in the future, which makes this API
change easy to miss.
* The major soname has been bumped to 5.0.0. liblzma API and ABI
are now stable, so the need to recompile programs linking against
liblzma shouldn't arise soon.

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Information to packagers of XZ Utils
====================================
0. Preface
1. Package naming
2. Package description
3. License
4. configure options
5. Additional documentation
6. Extra files
7. Installing XZ Utils and LZMA Utils in parallel
8. Example
0. Preface
----------
This document is meant for people who create and maintain XZ Utils
packages for operating system distributions. The focus is on GNU/Linux
systems, but most things apply to other systems too.
While the standard "configure && make DESTDIR=$PKG install" should
give a pretty good package, there are some details which packagers
may want to tweak.
Packagers should also read the INSTALL file.
1. Package naming
-----------------
The preferred name for the XZ Utils package is "xz", because that's
the name of the upstream tarball. Naturally you may have good reasons
to use some other name; I won't get angry about it. ;-) It's just nice
to be able to point people to the correct package name without asking
what distro they have.
If your distro policy is to split things into small pieces, here is
one suggestion:
xz xz, xzdec, scripts (xzdiff, xzgrep, etc.), docs
xz-lzma lzma, unlzma, lzcat, lzgrep etc. symlinks and
lzmadec binary for compatibility with LZMA Utils
liblzma liblzma.so.*
liblzma-devel liblzma.so, liblzma.a, API headers
2. Package description
----------------------
Here is a suggestion which you may use as the package description.
If you can use only one-line description, pick only the first line.
Naturally, feel free to use some other description if you find it
better, and maybe send it to me too.
Library and command line tools for XZ and LZMA compressed files
XZ Utils provide a general purpose data compression library
and command line tools. The native file format is the .xz
format, but also the legacy .lzma format is supported. The .xz
format supports multiple compression algorithms, of which LZMA2
is currently the primary algorithm. With typical files, XZ Utils
create about 30 % smaller files than gzip.
If you are splitting XZ Utils into multiple packages, here are some
suggestions for package descriptions:
xz:
Command line tools for XZ and LZMA compressed files
This package includes the xz compression tool and other command
line tools from XZ Utils. xz has command line syntax similar to
that of gzip. The native file format is the .xz format, but also
the legacy .lzma format is supported. The .xz format supports
multiple compression algorithms, of which LZMA2 is currently the
primary algorithm. With typical files, XZ Utils create about 30 %
smaller files than gzip.
Note that this package doesn't include the files needed for
LZMA Utils 4.32.x compatibility. Install also the xz-lzma
package to make XZ Utils emulate LZMA Utils 4.32.x.
xz-lzma:
LZMA Utils emulation with XZ Utils
This package includes executables and symlinks to make
XZ Utils emulate lzma, unlzma, lzcat, and other command
line tools found from the legacy LZMA Utils 4.32.x package.
liblzma:
Library for XZ and LZMA compressed files
liblzma is a general purpose data compression library with
an API similar to that of zlib. liblzma supports multiple
algorithms, of which LZMA2 is currently the primary algorithm.
The native file format is .xz, but also the legacy .lzma
format and raw streams (no headers at all) are supported.
This package includes the shared library.
liblzma-devel:
Library for XZ and LZMA compressed files
This package includes the API headers, static library, and
other development files related to liblzma.
3. License
----------
If the package manager supports a license field, you probably should
put GPLv2+ there (GNU GPL v2 or later). The interesting parts of
XZ Utils are in the public domain, but some less important files
ending up into the binary package are under GPLv2+. So it is simplest
to just say GPLv2+ if you cannot specify "public domain and GPLv2+".
If you split XZ Utils into multiple packages as described earlier
in this file, liblzma and liblzma-dev packages will contain only
public domain code (from XZ Utils at least; compiler or linker may
add some third-party code, which may be copyrighted).
4. configure options
--------------------
Unless you are building a package for a distribution that is meant
only for embedded systems, don't use the following configure options:
--enable-debug
--enable-encoders (*)
--enable-decoders
--enable-match-finders
--enable-checks
--enable-small (*)
--disable-threads (*)
(*) These are OK when building xzdec and lzmadec as described
in INSTALL.
xzdec and lzmadec don't provide any functionality that isn't already
available in the xz tool. Shipping xzdec and lzmadec without size
optimization and statically-linked liblzma isn't very useful. Doing
that would give users the xzdec man page, which may make it easier
for people to find out that such tools exists, but the executables
wouldn't have any advantage over the full-featured xz.
5. Additional documentation
---------------------------
"make install" copies some additional documentation to $docdir
(--docdir in configure). There is a copy of the GNU GPL v2, which
can be replaced with a symlink if your distro ships with shared
copies of the common license texts.
liblzma API is currently only documented using Doxygen tags in the
API headers. It hasn't been tested much how good results Doxygen
is able to make from the tags (e.g. Doxyfile might need tweaking,
the tagging may need to be improved etc.), so it might be simpler
to just let people read docs directly from the .h files for now,
and also save quite a bit in package size at the same time.
6. Extra files
--------------
The "extra" directory contains some small extra tools or other files.
The exact set of extra files can vary between XZ Utils releases. The
extra files have only limited use or they are too dangerous to be
put directly to $bindir (7z2lzma.sh is a good example, since it can
silently create corrupt output if certain conditions are not met).
If you feel like it, you may copy the extra directory under the doc
directory (e.g. /usr/share/doc/xz/extra). Maybe some people will find
them useful. However, most people needing these tools probably are
able to find them from the source package too.
The "debug" directory contains some tools that are useful only when
hacking on XZ Utils. Don't package these tools.
7. Installing XZ Utils and LZMA Utils in parallel
-------------------------------------------------
XZ Utils and LZMA Utils 4.32.x can be installed in parallel by
omitting the compatibility symlinks (lzma, unlzma, lzcat, lzgrep etc.)
from the XZ Utils package. It's probably a good idea to still package
the symlinks into a separate package so that users may choose if they
want to use XZ Utils or LZMA Utils for handling .lzma files.
8. Example
----------
Here is an example for i686 GNU/Linux that
- links xz and lzmainfo against shared liblzma;
- links size-optimized xzdec and lzmadec against static liblzma
while avoiding libpthread dependency;
- includes only shared liblzma in the final package; and
- copies also the "extra" directory to the package.
PKG=/tmp/xz-pkg
tar xf xz-x.y.z.tar.gz
cd xz-x.y.z
./configure \
--prefix=/usr \
--disable-static \
--disable-xzdec \
--disable-lzmadec \
CFLAGS='-march=i686 -mtune=generic -O2'
make
make DESTDIR=$PKG install-strip
make clean
./configure \
--prefix=/usr \
--disable-shared \
--disable-nls \
--disable-encoders \
--enable-small \
--disable-threads \
CFLAGS='-march=i686 -mtune=generic -Os'
make -C src/liblzma
make -C src/xzdec
make -C src/xzdec DESTDIR=$PKG install-strip
cp -a extra $PKG/usr/share/doc/xz

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XZ Utils
========
0. Overview
1. Documentation
1.1. Overall documentation
1.2. Documentation for command line tools
1.3. Documentation for liblzma
2. Version numbering
3. Reporting bugs
4. Translating the xz tool
5. Other implementations of the .xz format
6. Contact information
0. Overview
-----------
XZ Utils provide a general-purpose data compression library and
command line tools. The native file format is the .xz format, but
also the legacy .lzma format is supported. The .xz format supports
multiple compression algorithms, which are called "filters" in
context of XZ Utils. The primary filter is currently LZMA2. With
typical files, XZ Utils create about 30 % smaller files than gzip.
To ease adapting support for the .xz format into existing applications
and scripts, the API of liblzma is somewhat similar to the API of the
popular zlib library. For the same reason, the command line tool xz
has similar command line syntax than that of gzip.
When aiming for the highest compression ratio, LZMA2 encoder uses
a lot of CPU time and may use, depending on the settings, even
hundreds of megabytes of RAM. However, in fast modes, LZMA2 encoder
competes with bzip2 in compression speed, RAM usage, and compression
ratio.
LZMA2 is reasonably fast to decompress. It is a little slower than
gzip, but a lot faster than bzip2. Being fast to decompress means
that the .xz format is especially nice when the same file will be
decompressed very many times (usually on different computers), which
is the case e.g. when distributing software packages. In such
situations, it's not too bad if the compression takes some time,
since that needs to be done only once to benefit many people.
With some file types, combining (or "chaining") LZMA2 with an
additional filter can improve compression ratio. A filter chain may
contain up to four filters, although usually only one two is used.
For example, putting a BCJ (Branch/Call/Jump) filter before LZMA2
in the filter chain can improve compression ratio of executable files.
Since the .xz format allows adding new filter IDs, it is possible that
some day there will be a filter that is, for example, much faster to
compress than LZMA2 (but probably with worse compression ratio).
Similarly, it is possible that some day there is a filter that will
compress better than LZMA2.
XZ Utils doesn't support multithreaded compression or decompression
yet. It has been planned though and taken into account when designing
the .xz file format.
1. Documentation
----------------
1.1. Overall documentation
README This file
INSTALL.generic Generic install instructions for those not familiar
with packages using GNU Autotools
INSTALL Installation instructions specific to XZ Utils
PACKAGERS Information to packagers of XZ Utils
COPYING XZ Utils copyright and license information
COPYING.GPLv2 GNU General Public License version 2
COPYING.GPLv3 GNU General Public License version 3
COPYING.LGPLv2.1 GNU Lesser General Public License version 2.1
AUTHORS The main authors of XZ Utils
THANKS Incomplete list of people who have helped making
this software
NEWS User-visible changes between XZ Utils releases
ChangeLog Detailed list of changes (commit log)
TODO Known bugs and some sort of to-do list
Note that only some of the above files are included in binary
packages.
1.2. Documentation for command line tools
The command line tools are documented as man pages. In source code
releases (and possibly also in some binary packages), the man pages
are also provided in plain text (ASCII only) and PDF formats in the
directory "doc/man" to make the man pages more accessible to those
whose operating system doesn't provide an easy way to view man pages.
1.3. Documentation for liblzma
The liblzma API headers include short docs about each function
and data type as Doxygen tags. These docs should be quite OK as
a quick reference.
I have planned to write a bunch of very well documented example
programs, which (due to comments) should work as a tutorial to
various features of liblzma. No such example programs have been
written yet.
For now, if you have never used liblzma, libbzip2, or zlib, I
recommend learning *basics* of zlib API. Once you know that, it
should be easier to learn liblzma.
http://zlib.net/manual.html
http://zlib.net/zlib_how.html
2. Version numbering
--------------------
The version number format of XZ Utils is X.Y.ZS:
- X is the major version. When this is incremented, the library
API and ABI break.
- Y is the minor version. It is incremented when new features are
added without breaking existing API or ABI. Even Y indicates
stable release and odd Y indicates unstable (alpha or beta
version).
- Z is the revision. This has different meaning for stable and
unstable releases:
* Stable: Z is incremented when bugs get fixed without adding
any new features.
* Unstable: Z is just a counter. API or ABI of features added
in earlier unstable releases having the same X.Y may break.
- S indicates stability of the release. It is missing from the
stable releases where Y is an even number. When Y is odd, S
is either "alpha" or "beta" to make it very clear that such
versions are not stable releases. The same X.Y.Z combination is
not used for more than one stability level i.e. after X.Y.Zalpha,
the next version can be X.Y.(Z+1)beta but not X.Y.Zbeta.
3. Reporting bugs
-----------------
Naturally it is easiest for me if you already know what causes the
unexpected behavior. Even better if you have a patch to propose.
However, quite often the reason for unexpected behavior is unknown,
so here are a few things to do before sending a bug report:
1. Try to create a small example how to reproduce the issue.
2. Compile XZ Utils with debugging code using configure switches
--enable-debug and, if possible, --disable-shared. If you are
using GCC, use CFLAGS='-O0 -ggdb3'. Don't strip the resulting
binaries.
3. Turn on core dumps. The exact command depends on your shell;
for example in GNU bash it is done with "ulimit -c unlimited",
and in tcsh with "limit coredumpsize unlimited".
4. Try to reproduce the suspected bug. If you get "assertion failed"
message, be sure to include the complete message in your bug
report. If the application leaves a coredump, get a backtrace
using gdb:
$ gdb /path/to/app-binary # Load the app to the debugger.
(gdb) core core # Open the coredump.
(gdb) bt # Print the backtrace. Copy & paste to bug report.
(gdb) quit # Quit gdb.
Report your bug via email or IRC (see Contact information below).
Don't send core dump files or any executables. If you have a small
example file(s) (total size less than 256 KiB), please include
it/them as an attachment. If you have bigger test files, put them
online somewhere and include an URL to the file(s) in the bug report.
Always include the exact version number of XZ Utils in the bug report.
If you are using a snapshot from the git repository, use "git describe"
to get the exact snapshot version. If you are using XZ Utils shipped
in an operating system distribution, mention the distribution name,
distribution version, and exact xz package version; if you cannot
repeat the bug with the code compiled from unpatched source code,
you probably need to report a bug to your distribution's bug tracking
system.
4. Translating the xz tool
--------------------------
The messages from the xz tool have been translated into a few
languages. Before starting to translate into a new language, ask
the author that someone else hasn't already started working on it.
Test your translation. Testing includes comparing the translated
output to the original English version by running the same commands
in both your target locale and with LC_ALL=C. Ask someone to
proof-read and test the translation.
Testing can be done e.g. by installing xz into a temporary directory:
./configure --disable-shared --prefix=/tmp/xz-test
# <Edit the .po file in the po directory.>
make -C po update-po
make install
bash debug/translations.bash | less
bash debug/translations.bash | less -S # For --list outputs
Repeat the above as needed (no need to re-run configure though).
Note especially the following:
- The output of --help and --long-help must look nice on
a 80-column terminal. It's OK to add extra lines if needed.
- In contrast, don't add extra lines to error messages and such.
They are often preceded with e.g. a filename on the same line,
so you have no way to predict where to put a \n. Let the terminal
do the wrapping even if it looks ugly. Adding new lines will be
even uglier in the generic case even if it looks nice in a few
limited examples.
- Be careful with column alignment in tables and table-like output
(--list, --list --verbose --verbose, --info-memory, --help, and
--long-help):
* All descriptions of options in --help should start in the
same column (but it doesn't need to be the same column as
in the English messages; just be consistent if you change it).
Check that both --help and --long-help look OK, since they
share several strings.
* --list --verbose and --info-memory print lines that have
the format "Description: %s". If you need a longer
description, you can put extra space between the colon
and %s. Then you may need to add extra space to other
strings too so that the result as a whole looks good (all
values start at the same column).
* The columns of the actual tables in --list --verbose --verbose
should be aligned properly. Abbreviate if necessary. It might
be good to keep at least 2 or 3 spaces between column headings
and avoid spaces in the headings so that the columns stand out
better, but this is a matter of opinion. Do what you think
looks best.
- Be careful to put a period at the end of a sentence when the
original version has it, and don't put it when the original
doesn't have it. Similarly, be careful with \n characters
at the beginning and end of the strings.
- Read the TRANSLATORS comments that have been extracted from the
source code and included in xz.pot. If they suggest testing the
translation with some type of command, do it. If testing needs
input files, use e.g. tests/files/good-*.xz.
- When updating the translation, read the fuzzy (modified) strings
carefully, and don't mark them as updated before you actually
have updated them. Reading through the unchanged messages can be
good too; sometimes you may find a better wording for them.
- If you find language problems in the original English strings,
feel free to suggest improvements. Ask if something is unclear.
- The translated messages should be understandable (sometimes this
may be a problem with the original English messages too). Don't
make a direct word-by-word translation from English especially if
the result doesn't sound good in your language.
In short, take your time and pay attention to the details. Making
a good translation is not a quick and trivial thing to do. The
translated xz should look as polished as the English version.
5. Other implementations of the .xz format
------------------------------------------
7-Zip and the p7zip port of 7-Zip support the .xz format starting
from the version 9.00alpha.
http://7-zip.org/
http://p7zip.sourceforge.net/
XZ Embedded is a limited implementation written for use in the Linux
kernel, but it is also suitable for other embedded use.
http://tukaani.org/xz/embedded.html
6. Contact information
----------------------
If you have questions, bug reports, patches etc. related to XZ Utils,
contact Lasse Collin <lasse.collin@tukaani.org> (in Finnish or English).
I'm sometimes slow at replying. If you haven't got a reply within two
weeks, assume that your email has got lost and resend it or use IRC.
You can find me also from #tukaani on Freenode; my nick is Larhzu.
The channel tends to be pretty quiet, so just ask your question and
someone may wake up.

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Thanks
======
Some people have helped more, some less, but nevertheless everyone's help
has been important. :-) In alphabetical order:
- Mark Adler
- H. Peter Anvin
- Nelson H. F. Beebe
- Karl Berry
- Anders F. Björklund
- Emmanuel Blot
- Trent W. Buck
- David Burklund
- Daniel Mealha Cabrita
- Milo Casagrande
- Marek Černocký
- Andrew Dudman
- Markus Duft
- İsmail Dönmez
- Robert Elz
- Gilles Espinasse
- Denis Excoffier
- Mike Frysinger
- Joachim Henke
- Peter Ivanov
- Jouk Jansen
- Per Øyvind Karlsen
- Thomas Klausner
- Richard Koch
- Ville Koskinen
- Stephan Kulow
- Peter Lawler
- Hin-Tak Leung
- Andraž 'ruskie' Levstik
- Lorenzo De Liso
- Jim Meyering
- Rafał Mużyło
- Adrien Nader
- Hongbo Ni
- Jonathan Nieder
- Andre Noll
- Peter O'Gorman
- Igor Pavlov
- Elbert Pol
- Mikko Pouru
- Robert Readman
- Bernhard Reutner-Fischer
- Christian von Roques
- Jukka Salmi
- Alexandre Sauvé
- Andreas Schwab
- Dan Shechter
- Stuart Shelton
- Jonathan Stott
- Paul Townsend
- Mohammed Adnène Trojette
- Alexey Tourbin
- Patrick J. Volkerding
- Christian Weisgerber
- Bert Wesarg
- Ralf Wildenhues
- Charles Wilson
- Lars Wirzenius
- Pilorz Wojciech
- Ryan Young
- Andreas Zieringer
Also thanks to all the people who have participated in the Tukaani project.
I have probably forgot to add some names to the above list. Sorry about
that and thanks for your help.

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XZ Utils To-Do List
===================
Known bugs
----------
The test suite is too incomplete.
If the memory usage limit is less than about 13 MiB, xz is unable to
automatically scale down the compression settings enough even though
it would be possible by switching from BT2/BT3/BT4 match finder to
HC3/HC4.
The code to detect number of CPU cores doesn't count hyperthreading
as multiple cores. In context of xz, it probably should.
Hyperthreading is good at least with p7zip.
XZ Utils compress some files significantly worse than LZMA Utils.
This is due to faster compression presets used by XZ Utils, and
can often be worked around by using "xz --extreme". With some files
--extreme isn't enough though: it's most likely with files that
compress extremely well, so going from compression ratio of 0.003
to 0.004 means big relative increase in the compressed file size.
xz doesn't quote unprintable characters when it displays file names
given on the command line.
tuklib_exit() doesn't block signals => EINTR is possible.
SIGTSTP is not handled. If xz is stopped, the estimated remaining
time and calculated (de)compression speed won't make sense in the
progress indicator (xz --verbose).
Missing features
----------------
xz doesn't support copying extended attributes, access control
lists etc. from source to target file.
Multithreaded compression
Multithreaded decompression
Buffer-to-buffer coding could use less RAM (especially when
decompressing LZMA1 or LZMA2).
I/O library is not implemented (similar to gzopen() in zlib).
It will be a separate library that supports uncompressed, .gz,
.bz2, .lzma, and .xz files.
lzma_strerror() to convert lzma_ret to human readable form?
This is tricky, because the same error codes are used with
slightly different meanings, and this cannot be fixed anymore.
Documentation
-------------
Some tutorial is needed for liblzma. I have planned to write some
extremely well commented example programs, which would work as
a tutorial. I suppose the Doxygen tags are quite OK as a quick
reference once one is familiar with the liblzma API.
Document the LZMA1 and LZMA2 algorithms.

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/* config.h.in. Generated from configure.ac by autoheader. */
/* Define if building universal (internal helper macro) */
#undef AC_APPLE_UNIVERSAL_BUILD
/* How many MiB of RAM to assume if the real amount cannot be determined. */
#undef ASSUME_RAM
/* Define to 1 if translation of program messages to the user's native
language is requested. */
#undef ENABLE_NLS
/* Define to 1 if bswap_16 is available. */
#undef HAVE_BSWAP_16
/* Define to 1 if bswap_32 is available. */
#undef HAVE_BSWAP_32
/* Define to 1 if bswap_64 is available. */
#undef HAVE_BSWAP_64
/* Define to 1 if you have the <byteswap.h> header file. */
#undef HAVE_BYTESWAP_H
/* Define to 1 if you have the MacOS X function CFLocaleCopyCurrent in the
CoreFoundation framework. */
#undef HAVE_CFLOCALECOPYCURRENT
/* Define to 1 if you have the MacOS X function CFPreferencesCopyAppValue in
the CoreFoundation framework. */
#undef HAVE_CFPREFERENCESCOPYAPPVALUE
/* Define to 1 if crc32 integrity check is enabled. */
#undef HAVE_CHECK_CRC32
/* Define to 1 if crc64 integrity check is enabled. */
#undef HAVE_CHECK_CRC64
/* Define to 1 if sha256 integrity check is enabled. */
#undef HAVE_CHECK_SHA256
/* Define if the GNU dcgettext() function is already present or preinstalled.
*/
#undef HAVE_DCGETTEXT
/* Define to 1 if you have the declaration of `program_invocation_name', and
to 0 if you don't. */
#undef HAVE_DECL_PROGRAM_INVOCATION_NAME
/* Define to 1 if arm decoder is enabled. */
#undef HAVE_DECODER_ARM
/* Define to 1 if armthumb decoder is enabled. */
#undef HAVE_DECODER_ARMTHUMB
/* Define to 1 if delta decoder is enabled. */
#undef HAVE_DECODER_DELTA
/* Define to 1 if ia64 decoder is enabled. */
#undef HAVE_DECODER_IA64
/* Define to 1 if lzma1 decoder is enabled. */
#undef HAVE_DECODER_LZMA1
/* Define to 1 if lzma2 decoder is enabled. */
#undef HAVE_DECODER_LZMA2
/* Define to 1 if powerpc decoder is enabled. */
#undef HAVE_DECODER_POWERPC
/* Define to 1 if sparc decoder is enabled. */
#undef HAVE_DECODER_SPARC
/* Define to 1 if x86 decoder is enabled. */
#undef HAVE_DECODER_X86
/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
/* Define to 1 if arm encoder is enabled. */
#undef HAVE_ENCODER_ARM
/* Define to 1 if armthumb encoder is enabled. */
#undef HAVE_ENCODER_ARMTHUMB
/* Define to 1 if delta encoder is enabled. */
#undef HAVE_ENCODER_DELTA
/* Define to 1 if ia64 encoder is enabled. */
#undef HAVE_ENCODER_IA64
/* Define to 1 if lzma1 encoder is enabled. */
#undef HAVE_ENCODER_LZMA1
/* Define to 1 if lzma2 encoder is enabled. */
#undef HAVE_ENCODER_LZMA2
/* Define to 1 if powerpc encoder is enabled. */
#undef HAVE_ENCODER_POWERPC
/* Define to 1 if sparc encoder is enabled. */
#undef HAVE_ENCODER_SPARC
/* Define to 1 if x86 encoder is enabled. */
#undef HAVE_ENCODER_X86
/* Define to 1 if you have the <fcntl.h> header file. */
#undef HAVE_FCNTL_H
/* Define to 1 if you have the `futimens' function. */
#undef HAVE_FUTIMENS
/* Define to 1 if you have the `futimes' function. */
#undef HAVE_FUTIMES
/* Define to 1 if you have the `futimesat' function. */
#undef HAVE_FUTIMESAT
/* Define to 1 if you have the <getopt.h> header file. */
#undef HAVE_GETOPT_H
/* Define to 1 if you have the `getopt_long' function. */
#undef HAVE_GETOPT_LONG
/* Define if the GNU gettext() function is already present or preinstalled. */
#undef HAVE_GETTEXT
/* Define if you have the iconv() function. */
#undef HAVE_ICONV
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
/* Define to 1 if you have the <limits.h> header file. */
#undef HAVE_LIMITS_H
/* Define to 1 if mbrtowc and mbstate_t are properly declared. */
#undef HAVE_MBRTOWC
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
/* Define to 1 to enable bt2 match finder. */
#undef HAVE_MF_BT2
/* Define to 1 to enable bt3 match finder. */
#undef HAVE_MF_BT3
/* Define to 1 to enable bt4 match finder. */
#undef HAVE_MF_BT4
/* Define to 1 to enable hc3 match finder. */
#undef HAVE_MF_HC3
/* Define to 1 to enable hc4 match finder. */
#undef HAVE_MF_HC4
/* Define to 1 if getopt.h declares extern int optreset. */
#undef HAVE_OPTRESET
/* Define if you have POSIX threads libraries and header files. */
#undef HAVE_PTHREAD
/* Define to 1 if optimizing for size. */
#undef HAVE_SMALL
/* Define to 1 if stdbool.h conforms to C99. */
#undef HAVE_STDBOOL_H
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
/* Define to 1 if you have the <stdlib.h> header file. */
#undef HAVE_STDLIB_H
/* Define to 1 if you have the <strings.h> header file. */
#undef HAVE_STRINGS_H
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
/* Define to 1 if `st_atimensec' is a member of `struct stat'. */
#undef HAVE_STRUCT_STAT_ST_ATIMENSEC
/* Define to 1 if `st_atimespec.tv_nsec' is a member of `struct stat'. */
#undef HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC
/* Define to 1 if `st_atim.st__tim.tv_nsec' is a member of `struct stat'. */
#undef HAVE_STRUCT_STAT_ST_ATIM_ST__TIM_TV_NSEC
/* Define to 1 if `st_atim.tv_nsec' is a member of `struct stat'. */
#undef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC
/* Define to 1 if `st_uatime' is a member of `struct stat'. */
#undef HAVE_STRUCT_STAT_ST_UATIME
/* Define to 1 if you have the <sys/byteorder.h> header file. */
#undef HAVE_SYS_BYTEORDER_H
/* Define to 1 if you have the <sys/endian.h> header file. */
#undef HAVE_SYS_ENDIAN_H
/* Define to 1 if you have the <sys/param.h> header file. */
#undef HAVE_SYS_PARAM_H
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H
/* Define to 1 if you have the <sys/time.h> header file. */
#undef HAVE_SYS_TIME_H
/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H
/* Define to 1 if the system has the type `uintptr_t'. */
#undef HAVE_UINTPTR_T
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
/* Define to 1 if you have the `utime' function. */
#undef HAVE_UTIME
/* Define to 1 if you have the `utimes' function. */
#undef HAVE_UTIMES
/* Define to 1 or 0, depending whether the compiler supports simple visibility
declarations. */
#undef HAVE_VISIBILITY
/* Define to 1 if you have the `wcwidth' function. */
#undef HAVE_WCWIDTH
/* Define to 1 if the system has the type `_Bool'. */
#undef HAVE__BOOL
/* Define to the sub-directory in which libtool stores uninstalled libraries.
*/
#undef LT_OBJDIR
/* Define to 1 to disable debugging code. */
#undef NDEBUG
/* Define to 1 if your C compiler doesn't accept -c and -o together. */
#undef NO_MINUS_C_MINUS_O
/* Name of package */
#undef PACKAGE
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
/* Define to the full name of this package. */
#undef PACKAGE_NAME
/* Define to the full name and version of this package. */
#undef PACKAGE_STRING
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the home page for this package. */
#undef PACKAGE_URL
/* Define to the version of this package. */
#undef PACKAGE_VERSION
/* Define to necessary symbol if this constant uses a non-standard name on
your system. */
#undef PTHREAD_CREATE_JOINABLE
/* The size of `size_t', as computed by sizeof. */
#undef SIZEOF_SIZE_T
/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS
/* Define to 1 if the number of available CPU cores can be detected with
pstat_getdynamic(). */
#undef TUKLIB_CPUCORES_PSTAT_GETDYNAMIC
/* Define to 1 if the number of available CPU cores can be detected with
sysconf(_SC_NPROCESSORS_ONLN) or sysconf(_SC_NPROC_ONLN). */
#undef TUKLIB_CPUCORES_SYSCONF
/* Define to 1 if the number of available CPU cores can be detected with
sysctl(). */
#undef TUKLIB_CPUCORES_SYSCTL
/* Define to 1 if the system supports fast unaligned access to 16-bit and
32-bit integers. */
#undef TUKLIB_FAST_UNALIGNED_ACCESS
/* Define to 1 if the amount of physical memory can be detected with
_system_configuration.physmem. */
#undef TUKLIB_PHYSMEM_AIX
/* Define to 1 if the amount of physical memory can be detected with
getinvent_r(). */
#undef TUKLIB_PHYSMEM_GETINVENT_R
/* Define to 1 if the amount of physical memory can be detected with
getsysinfo(). */
#undef TUKLIB_PHYSMEM_GETSYSINFO
/* Define to 1 if the amount of physical memory can be detected with
pstat_getstatic(). */
#undef TUKLIB_PHYSMEM_PSTAT_GETSTATIC
/* Define to 1 if the amount of physical memory can be detected with
sysconf(_SC_PAGESIZE) and sysconf(_SC_PHYS_PAGES). */
#undef TUKLIB_PHYSMEM_SYSCONF
/* Define to 1 if the amount of physical memory can be detected with sysctl().
*/
#undef TUKLIB_PHYSMEM_SYSCTL
/* Define to 1 if the amount of physical memory can be detected with Linux
sysinfo(). */
#undef TUKLIB_PHYSMEM_SYSINFO
/* Enable extensions on AIX 3, Interix. */
#ifndef _ALL_SOURCE
# undef _ALL_SOURCE
#endif
/* Enable GNU extensions on systems that have them. */
#ifndef _GNU_SOURCE
# undef _GNU_SOURCE
#endif
/* Enable threading extensions on Solaris. */
#ifndef _POSIX_PTHREAD_SEMANTICS
# undef _POSIX_PTHREAD_SEMANTICS
#endif
/* Enable extensions on HP NonStop. */
#ifndef _TANDEM_SOURCE
# undef _TANDEM_SOURCE
#endif
/* Enable general extensions on Solaris. */
#ifndef __EXTENSIONS__
# undef __EXTENSIONS__
#endif
/* Version number of package */
#undef VERSION
/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
significant byte first (like Motorola and SPARC, unlike Intel). */
#if defined AC_APPLE_UNIVERSAL_BUILD
# if defined __BIG_ENDIAN__
# define WORDS_BIGENDIAN 1
# endif
#else
# ifndef WORDS_BIGENDIAN
# undef WORDS_BIGENDIAN
# endif
#endif
/* Number of bits in a file offset, on hosts where this is settable. */
#undef _FILE_OFFSET_BITS
/* Define for large files, on AIX-style hosts. */
#undef _LARGE_FILES
/* Define to 1 if on MINIX. */
#undef _MINIX
/* Define to 2 if the system does not provide POSIX.1 features except with
this defined. */
#undef _POSIX_1_SOURCE
/* Define to 1 if you need to in order for `stat' and other things to work. */
#undef _POSIX_SOURCE
/* Define for Solaris 2.5.1 so the uint32_t typedef from <sys/synch.h>,
<pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the
#define below would cause a syntax error. */
#undef _UINT32_T
/* Define for Solaris 2.5.1 so the uint64_t typedef from <sys/synch.h>,
<pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the
#define below would cause a syntax error. */
#undef _UINT64_T
/* Define for Solaris 2.5.1 so the uint8_t typedef from <sys/synch.h>,
<pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the
#define below would cause a syntax error. */
#undef _UINT8_T
/* Define to rpl_ if the getopt replacement functions and variables should be
used. */
#undef __GETOPT_PREFIX
/* Define to the type of a signed integer type of width exactly 32 bits if
such a type exists and the standard includes do not define it. */
#undef int32_t
/* Define to the type of a signed integer type of width exactly 64 bits if
such a type exists and the standard includes do not define it. */
#undef int64_t
/* Define to the type of an unsigned integer type of width exactly 16 bits if
such a type exists and the standard includes do not define it. */
#undef uint16_t
/* Define to the type of an unsigned integer type of width exactly 32 bits if
such a type exists and the standard includes do not define it. */
#undef uint32_t
/* Define to the type of an unsigned integer type of width exactly 64 bits if
such a type exists and the standard includes do not define it. */
#undef uint64_t
/* Define to the type of an unsigned integer type of width exactly 8 bits if
such a type exists and the standard includes do not define it. */
#undef uint8_t
/* Define to the type of an unsigned integer type wide enough to hold a
pointer, if such a type exists, and if the system does not define it. */
#undef uintptr_t

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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
###############################################################################
#
# Author: Lasse Collin
#
# This file has been put into the public domain.
# You can do whatever you want with this file.
#
###############################################################################
# NOTE: Don't add useless checks. autoscan detects this and that, but don't
# let it confuse you. For example, we don't care about checking for behavior
# of malloc(), stat(), or lstat(), since we don't use those functions in
# a way that would cause the problems the autoconf macros check.
AC_PREREQ([2.52])
AC_INIT([XZ Utils], 5.0.0, [joerg@NetBSD.org], [xz], [http://tukaani.org/xz/])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADER([config.h])
AC_CONFIG_AUX_DIR([../../gnu/dist/autoconf/config])
AC_CANONICAL_HOST
AC_USE_SYSTEM_EXTENSIONS
###########
# Filters #
###########
m4_define([SUPPORTED_FILTERS], [lzma1,lzma2,delta,x86,powerpc,ia64,arm,armthumb,sparc])
m4_foreach([NAME], [SUPPORTED_FILTERS], [
AC_DEFINE(HAVE_ENCODER_[]m4_toupper(NAME), [1],
[Define to 1 if] NAME [encoder is enabled.])
AC_DEFINE(HAVE_DECODER_[]m4_toupper(NAME), [1],
[Define to 1 if] NAME [decoder is enabled.])
])
#################
# Match finders #
#################
m4_define([SUPPORTED_MATCH_FINDERS], [hc3,hc4,bt2,bt3,bt4])
m4_foreach([NAME], [SUPPORTED_MATCH_FINDERS], [
AC_DEFINE(HAVE_MF_[]m4_toupper(NAME), [1],
[Define to 1 to enable] NAME [match finder.])
])
####################
# Integrity checks #
####################
m4_define([SUPPORTED_CHECKS], [crc32,crc64,sha256])
m4_foreach([NAME], [SUPPORTED_CHECKS], [
AC_DEFINE(HAVE_CHECK_[]m4_toupper(NAME), [1],
[Define to 1 if] NAME [integrity check is enabled.])
])
if !:; then
AC_DEFINE([HAVE_SMALL], [1], [Define to 1 if optimizing for size.])
fi
AC_DEFINE_UNQUOTED([ASSUME_RAM], [128],
[How many MiB of RAM to assume if the real amount cannot be determined.])
# There is currently no workarounds in this package if some of
# these headers are missing.
AC_CHECK_HEADERS([fcntl.h limits.h sys/time.h],
[],
[AC_MSG_ERROR([Required header file(s) are missing.])])
AC_HEADER_STDBOOL
AC_TYPE_UINT8_T
AC_TYPE_UINT16_T
AC_TYPE_INT32_T
AC_TYPE_UINT32_T
AC_TYPE_INT64_T
AC_TYPE_UINT64_T
AC_TYPE_UINTPTR_T
AC_CHECK_SIZEOF([size_t])
# The command line tool can copy high resolution timestamps if such
# information is availabe in struct stat. Otherwise one second accuracy
# is used.
AC_CHECK_MEMBERS([
struct stat.st_atim.tv_nsec,
struct stat.st_atimespec.tv_nsec,
struct stat.st_atimensec,
struct stat.st_uatime,
struct stat.st_atim.st__tim.tv_nsec])
AC_SYS_LARGEFILE
AC_C_BIGENDIAN
# Find the best function to set timestamps.
AC_CHECK_FUNCS([futimens futimes futimesat utimes utime], [break])
TUKLIB_PROGNAME
TUKLIB_INTEGER
TUKLIB_PHYSMEM
TUKLIB_CPUCORES
TUKLIB_MBSTR
AC_OUTPUT

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XZ Utils FAQ
============
Q: What do the letters XZ mean?
A: Nothing. They are just two letters, which come from the file format
suffix .xz. The .xz suffix was selected, because it seemed to be
pretty much unused. It has no deeper meaning.
Q: What are LZMA and LZMA2?
A: LZMA stands for Lempel-Ziv-Markov chain-Algorithm. It is the name
of the compression algorithm designed by Igor Pavlov for 7-Zip.
LZMA is based on LZ77 and range encoding.
LZMA2 is an updated version of the original LZMA to fix a couple of
practical issues. In context of XZ Utils, LZMA is called LZMA1 to
emphasize that LZMA is not the same thing as LZMA2. LZMA2 is the
primary compression algorithm in the .xz file format.
Q: There are many LZMA related projects. How does XZ Utils relate to them?
A: 7-Zip and LZMA SDK are the original projects. LZMA SDK is roughly
a subset of the 7-Zip source tree.
p7zip is 7-Zip's command line tools ported to POSIX-like systems.
LZMA Utils provide a gzip-like lzma tool for POSIX-like systems.
LZMA Utils are based on LZMA SDK. XZ Utils are the successor to
LZMA Utils.
There are several other projects using LZMA. Most are more or less
based on LZMA SDK. See <http://7-zip.org/links.html>.
Q: Why is liblzma named liblzma if its primary file format is .xz?
Shouldn't it be e.g. libxz?
A: When the designing of the .xz format began, the idea was to replace
the .lzma format and use the same .lzma suffix. It would have been
quite OK to reuse the suffix when there were very few .lzma files
around. However, the old .lzma format become popular before the
new format was finished. The new format was renamed to .xz but the
name of liblzma wasn't changed.
Q: Do XZ Utils support the .7z format?
A: No. Use 7-Zip (Windows) or p7zip (POSIX-like systems) to handle .7z
files.
Q: I have many .tar.7z files. Can I convert them to .tar.xz without
spending hours recompressing the data?
A: In the "extra" directory, there is a script named 7z2lzma.bash which
is able to convert some .7z files to the .lzma format (not .xz). It
needs the 7za (or 7z) command from p7zip. The script may silently
produce corrupt output if certain assumptions are not met, so
decompress the resulting .lzma file and compare it against the
original before deleting the original file!
Q: I have many .lzma files. Can I quickly convert them to the .xz format?
A: For now, no. Since XZ Utils supports the .lzma format, it's usually
not too bad to keep the old files in the old format. If you want to
do the conversion anyway, you need to decompress the .lzma files and
then recompress to the .xz format.
Technically, there is a way to make the conversion relatively fast
(roughly twice the time that normal decompression takes). Writing
such a tool would take quite a bit time though, and would probably
be useful to only a few people. If you really want such a conversion
tool, contact Lasse Collin and offer some money.
Q: I have installed xz, but my tar doesn't recognize .tar.xz files.
How can I extract .tar.xz files?
A: xz -dc foo.tar.xz | tar xf -
Q: Can I recover parts of a broken .xz file (e.g. corrupted CD-R)?
A: It may be possible if the file consists of multiple blocks, which
typically is not the case if the file was created in single-threaded
mode. There is no recovery program yet.
Q: Is (some part of) XZ Utils patented?
A: Lasse Collin is not aware of any patents that could affect XZ Utils.
However, due to nature of software patents, it's not possible to
guarantee that XZ Utils isn't affected by any third party patent(s).
Q: Where can I find documentation about the file format and algorithms?
A: The .xz format is documented in xz-file-format.txt. It is a container
format only, and doesn't include descriptions of any non-trivial
filters.
Documenting LZMA and LZMA2 is planned, but for now, there is no other
documentation that the source code. Before you begin, you should know
the basics of LZ77 and range coding algorithms. LZMA is based on LZ77,
but LZMA is a lot more complex. Range coding is used to compress
the final bitstream like Huffman coding is used in Deflate.
Q: I cannot find BCJ and BCJ2 filters. Don't they exist in liblzma?
A: BCJ filter is called "x86" in liblzma. BCJ2 is not included,
because it requires using more than one encoded output stream.
A streamable version of BCJ2-style filtering is planned.
Q: I need to use a script that runs "xz -9". On a system with 256 MiB
of RAM, xz says that it cannot allocate memory. Can I make the
script work without modifying it?
A: Set a default memory usage limit for compression. You can do it e.g.
in a shell initialization script such as ~/.bashrc or /etc/profile:
XZ_DEFAULTS=--memlimit-compress=150MiB
export XZ_DEFAULTS
xz will then scale the compression settings down so that the given
memory usage limit is not reached. This way xz shouldn't run out
of memory.
Check also that memory-related resource limits are high enough.
On most systems, "ulimit -a" will show the current resource limits.
Q: How do I create files that can be decompressed with XZ Embedded?
A: See the documentation in XZ Embedded. In short, something like
this is a good start:
xz --check=crc32 --lzma2=preset=6e,dict=64KiB
Or if a BCJ filter is needed too, e.g. if compressing
a kernel image for PowerPC:
xz --check=crc32 --powerpc --lzma2=preset=6e,dict=64KiB
Adjust dictionary size to get a good compromise between
compression ratio and decompressor memory usage. Note that
in single-call decompression mode of XZ Embedded, a big
dictionary doesn't increase memory usage.
Q: Will xz support threaded compression?
A: It is planned and has been taken into account when designing
the .xz file format. Eventually there will probably be three types
of threading, each method having its own advantages and disadvantages.
The simplest method is splitting the uncompressed data into blocks
and compressing them in parallel independent from each other.
Since the blocks are compressed independently, they can also be
decompressed independently. Together with the index feature in .xz,
this allows using threads to create .xz files for random-access
reading. This also makes threaded decompression possible, although
it is not clear if threaded decompression will ever be implemented.
The independent blocks method has a couple of disadvantages too. It
will compress worse than a single-block method. Often the difference
is not too big (maybe 1-2 %) but sometimes it can be too big. Also,
the memory usage of the compressor increases linearly when adding
threads.
Match finder parallelization is another threading method. It has
been in 7-Zip for ages. It doesn't affect compression ratio or
memory usage significantly. Among the three threading methods, only
this is useful when compressing small files (files that are not
significantly bigger than the dictionary). Unfortunately this method
scales only to about two CPU cores.
The third method is pigz-style threading (I use that name, because
pigz <http://www.zlib.net/pigz/> uses that method). It doesn't
affect compression ratio significantly and scales to many cores.
The memory usage scales linearly when threads are added. It isn't
significant with pigz, because Deflate uses only 32 KiB dictionary,
but with LZMA2 the memory usage will increase dramatically just like
with the independent blocks method. There is also a constant
computational overhead, which may make pigz-method a bit dull on
dual-core compared to the parallel match finder method, but with more
cores the overhead is not a big deal anymore.
Combining the threading methods will be possible and also useful.
E.g. combining match finder parallelization with pigz-style threading
can cut the memory usage by 50 %.
It is possible that the single-threaded method will be modified to
create files indentical to the pigz-style method. We'll see once
pigz-style threading has been implemented in liblzma.
Q: How do I build a program that needs liblzmadec (lzmadec.h)?
A: liblzmadec is part of LZMA Utils. XZ Utils has liblzma, but no
liblzmadec. The code using liblzmadec should be ported to use
liblzma instead. If you cannot or don't want to do that, download
LZMA Utils from <http://tukaani.org/lzma/>.
Q: The default build of liblzma is too big. How can I make it smaller?
A: Give --enable-small to the configure script. Use also appropriate
--enable or --disable options to include only those filter encoders
and decoders and integrity checks that you actually need. Use
CFLAGS=-Os (with GCC) or equivalent to tell your compiler to optimize
for size. See INSTALL for information about configure options.
If the result is still too big, take a look at XZ Embedded. It is
a separate project, which provides a limited but significantly
smaller XZ decoder implementation than XZ Utils. You can find it
at <http://tukaani.org/xz/embedded.html>.

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History of LZMA Utils and XZ Utils
==================================
Tukaani distribution
In 2005, there was a small group working on Tukaani distribution, which
was a Slackware fork. One of the project goals was to fit the distro on
a single 700 MiB ISO-9660 image. Using LZMA instead of gzip helped a
lot. Roughly speaking, one could fit data that took 1000 MiB in gzipped
form into 700 MiB with LZMA. Naturally compression ratio varied across
packages, but this was what we got on average.
Slackware packages have traditionally had .tgz as the filename suffix,
which is an abbreviation of .tar.gz. A logical naming for LZMA
compressed packages was .tlz, being an abbreviation of .tar.lzma.
At the end of the year 2007, there was no distribution under the
Tukaani project anymore, but development of LZMA Utils was kept going.
Still, there were .tlz packages around, because at least Vector Linux
(a Slackware based distribution) used LZMA for its packages.
First versions of the modified pkgtools used the LZMA_Alone tool from
Igor Pavlov's LZMA SDK as is. It was fine, because users wouldn't need
to interact with LZMA_Alone directly. But people soon wanted to use
LZMA for other files too, and the interface of LZMA_Alone wasn't
comfortable for those used to gzip and bzip2.
First steps of LZMA Utils
The first version of LZMA Utils (4.22.0) included a shell script called
lzmash. It was wrapper that had gzip-like command line interface. It
used the LZMA_Alone tool from LZMA SDK to do all the real work. zgrep,
zdiff, and related scripts from gzip were adapted work with LZMA and
were part of the first LZMA Utils release too.
LZMA Utils 4.22.0 included also lzmadec, which was a small (less than
10 KiB) decoder-only command line tool. It was written on top of the
decoder-only C code found from the LZMA SDK. lzmadec was convenient in
situations where LZMA_Alone (a few hundred KiB) would be too big.
lzmash and lzmadec were written by Lasse Collin.
Second generation
The lzmash script was an ugly and not very secure hack. The last
version of LZMA Utils to use lzmash was 4.27.1.
LZMA Utils 4.32.0beta1 introduced a new lzma command line tool written
by Ville Koskinen. It was written in C++, and used the encoder and
decoder from C++ LZMA SDK with little modifications. This tool replaced
both the lzmash script and the LZMA_Alone command line tool in LZMA
Utils.
Introducing this new tool caused some temporary incompatibilities,
because LZMA_Alone executable was simply named lzma like the new
command line tool, but they had completely different command line
interface. The file format was still the same.
Lasse wrote liblzmadec, which was a small decoder-only library based
on the C code found from LZMA SDK. liblzmadec had API similar to zlib,
although there were some significant differences, which made it
non-trivial to use it in some applications designed for zlib and
libbzip2.
The lzmadec command line tool was converted to use liblzmadec.
Alexandre Sauvé helped converting build system to use GNU Autotools.
This made is easier to test for certain less portable features needed
by the new command line tool.
Since the new command line tool never got completely finished (for
example, it didn't support LZMA_OPT environment variable), the intent
was to not call 4.32.x stable. Similarly, liblzmadec wasn't polished,
but appeared to work well enough, so some people started using it too.
Because the development of the third generation of LZMA Utils was
delayed considerably (3-4 years), the 4.32.x branch had to be kept
maintained. It got some bug fixes now and then, and finally it was
decided to call it stable, although most of the missing features were
never added.
File format problems
The file format used by LZMA_Alone was primitive. It was designed for
embedded systems in mind, and thus provided only minimal set of
features. The two biggest problems for non-embedded use were lack of
magic bytes and integrity check.
Igor and Lasse started developing a new file format with some help
from Ville Koskinen. Also Mark Adler, Mikko Pouru, H. Peter Anvin,
and Lars Wirzenius helped with some minor things at some point of the
development. Designing the new format took quite a long time (actually,
too long time would be more appropriate expression). It was mostly
because Lasse was quite slow at getting things done due to personal
reasons.
Originally the new format was supposed to use the same .lzma suffix
that was already used by the old file format. Switching to the new
format wouldn't have caused much trouble when the old format wasn't
used by many people. But since the development of the new format took
so long time, the old format got quite popular, and it was decided
that the new file format must use a different suffix.
It was decided to use .xz as the suffix of the new file format. The
first stable .xz file format specification was finally released in
December 2008. In addition to fixing the most obvious problems of
the old .lzma format, the .xz format added some new features like
support for multiple filters (compression algorithms), filter chaining
(like piping on the command line), and limited random-access reading.
Currently the primary compression algorithm used in .xz is LZMA2.
It is an extension on top of the original LZMA to fix some practical
problems: LZMA2 adds support for flushing the encoder, uncompressed
chunks, eases stateful decoder implementations, and improves support
for multithreading. Since LZMA2 is better than the original LZMA, the
original LZMA is not supported in .xz.
Transition to XZ Utils
The early versions of XZ Utils were called LZMA Utils. The first
releases were 4.42.0alphas. They dropped the rest of the C++ LZMA SDK.
The code was still directly based on LZMA SDK but ported to C and
converted from callback API to stateful API. Later, Igor Pavlov made
C version of the LZMA encoder too; these ports from C++ to C were
independent in LZMA SDK and LZMA Utils.
The core of the new LZMA Utils was liblzma, a compression library with
zlib-like API. liblzma supported both the old and new file format. The
gzip-like lzma command line tool was rewritten to use liblzma.
The new LZMA Utils code base was renamed to XZ Utils when the name
of the new file format had been decided. The liblzma compression
library retained its name though, because changing it would have
caused unnecessary breakage in applications already using the early
liblzma snapshots.
The xz command line tool can emulate the gzip-like lzma tool by
creating appropriate symlinks (e.g. lzma -> xz). Thus, practically
all scripts using the lzma tool from LZMA Utils will work as is with
XZ Utils (and will keep using the old .lzma format). Still, the .lzma
format is more or less deprecated. XZ Utils will keep supporting it,
but new applications should use the .xz format, and migrating old
applications to .xz is often a good idea too.

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The .lzma File Format
=====================
0. Preface
0.1. Notices and Acknowledgements
0.2. Changes
1. File Format
1.1. Header
1.1.1. Properties
1.1.2. Dictionary Size
1.1.3. Uncompressed Size
1.2. LZMA Compressed Data
2. References
0. Preface
This document describes the .lzma file format, which is
sometimes also called LZMA_Alone format. It is a legacy file
format, which is being or has been replaced by the .xz format.
The MIME type of the .lzma format is `application/x-lzma'.
The most commonly used software to handle .lzma files are
LZMA SDK, LZMA Utils, 7-Zip, and XZ Utils. This document
describes some of the differences between these implementations
and gives hints what subset of the .lzma format is the most
portable.
0.1. Notices and Acknowledgements
This file format was designed by Igor Pavlov for use in
LZMA SDK. This document was written by Lasse Collin
<lasse.collin@tukaani.org> using the documentation found
from the LZMA SDK.
This document has been put into the public domain.
0.2. Changes
Last modified: 2009-05-01 11:15+0300
1. File Format
+-+-+-+-+-+-+-+-+-+-+-+-+-+==========================+
| Header | LZMA Compressed Data |
+-+-+-+-+-+-+-+-+-+-+-+-+-+==========================+
The .lzma format file consist of 13-byte Header followed by
the LZMA Compressed Data.
Unlike the .gz, .bz2, and .xz formats, it is not possible to
concatenate multiple .lzma files as is and expect the
decompression tool to decode the resulting file as if it were
a single .lzma file.
For example, the command line tools from LZMA Utils and
LZMA SDK silently ignore all the data after the first .lzma
stream. In contrast, the command line tool from XZ Utils
considers the .lzma file to be corrupt if there is data after
the first .lzma stream.
1.1. Header
+------------+----+----+----+----+--+--+--+--+--+--+--+--+
| Properties | Dictionary Size | Uncompressed Size |
+------------+----+----+----+----+--+--+--+--+--+--+--+--+
1.1.1. Properties
The Properties field contains three properties. An abbreviation
is given in parentheses, followed by the value range of the
property. The field consists of
1) the number of literal context bits (lc, [0, 8]);
2) the number of literal position bits (lp, [0, 4]); and
3) the number of position bits (pb, [0, 4]).
The properties are encoded using the following formula:
Properties = (pb * 5 + lp) * 9 + lc
The following C code illustrates a straightforward way to
decode the Properties field:
uint8_t lc, lp, pb;
uint8_t prop = get_lzma_properties();
if (prop > (4 * 5 + 4) * 9 + 8)
return LZMA_PROPERTIES_ERROR;
pb = prop / (9 * 5);
prop -= pb * 9 * 5;
lp = prop / 9;
lc = prop - lp * 9;
XZ Utils has an additional requirement: lc + lp <= 4. Files
which don't follow this requirement cannot be decompressed
with XZ Utils. Usually this isn't a problem since the most
common lc/lp/pb values are 3/0/2. It is the only lc/lp/pb
combination that the files created by LZMA Utils can have,
but LZMA Utils can decompress files with any lc/lp/pb.
1.1.2. Dictionary Size
Dictionary Size is stored as an unsigned 32-bit little endian
integer. Any 32-bit value is possible, but for maximum
portability, only sizes of 2^n and 2^n + 2^(n-1) should be
used.
LZMA Utils creates only files with dictionary size 2^n,
16 <= n <= 25. LZMA Utils can decompress files with any
dictionary size.
XZ Utils creates and decompresses .lzma files only with
dictionary sizes 2^n and 2^n + 2^(n-1). If some other
dictionary size is specified when compressing, the value
stored in the Dictionary Size field is a rounded up, but the
specified value is still used in the actual compression code.
1.1.3. Uncompressed Size
Uncompressed Size is stored as unsigned 64-bit little endian
integer. A special value of 0xFFFF_FFFF_FFFF_FFFF indicates
that Uncompressed Size is unknown. End of Payload Marker (*)
is used if and only if Uncompressed Size is unknown.
XZ Utils rejects files whose Uncompressed Size field specifies
a known size that is 256 GiB or more. This is to reject false
positives when trying to guess if the input file is in the
.lzma format. When Uncompressed Size is unknown, there is no
limit for the uncompressed size of the file.
(*) Some tools use the term End of Stream (EOS) marker
instead of End of Payload Marker.
1.2. LZMA Compressed Data
Detailed description of the format of this field is out of
scope of this document.
2. References
LZMA SDK - The original LZMA implementation
http://7-zip.org/sdk.html
7-Zip
http://7-zip.org/
LZMA Utils - LZMA adapted to POSIX-like systems
http://tukaani.org/lzma/
XZ Utils - The next generation of LZMA Utils
http://tukaani.org/xz/
The .xz file format - The successor of the the .lzma format
http://tukaani.org/xz/xz-file-format.txt

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#
# SYNOPSIS
#
# TUKLIB_COMMON
#
# DESCRIPTION
#
# Common checks for tuklib.
#
# COPYING
#
# Author: Lasse Collin
#
# This file has been put into the public domain.
# You can do whatever you want with this file.
#
AC_DEFUN_ONCE([TUKLIB_COMMON], [
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AC_PROG_CC_C99])
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
])dnl

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#
# SYNOPSIS
#
# TUKLIB_CPUCORES
#
# DESCRIPTION
#
# Check how to find out the number of available CPU cores in the system.
# This information is used by tuklib_cpucores.c.
#
# Supported methods:
# - sysctl(): BSDs, OS/2
# - sysconf(): GNU/Linux, Solaris, Tru64, IRIX, AIX, Cygwin
# - pstat_getdynamic(): HP-UX
#
# COPYING
#
# Author: Lasse Collin
#
# This file has been put into the public domain.
# You can do whatever you want with this file.
#
AC_DEFUN_ONCE([TUKLIB_CPUCORES], [
AC_REQUIRE([TUKLIB_COMMON])
# sys/param.h might be needed by sys/sysctl.h.
AC_CHECK_HEADERS([sys/param.h])
AC_CACHE_CHECK([how to detect the number of available CPU cores],
[tuklib_cv_cpucores_method], [
# Look for sysctl() solution first, because on OS/2, both sysconf()
# and sysctl() pass the tests in this file, but only sysctl()
# actually works.
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#include <sys/sysctl.h>
int
main(void)
{
int name[2] = { CTL_HW, HW_NCPU };
int cpus;
size_t cpus_size = sizeof(cpus);
sysctl(name, 2, &cpus, &cpus_size, NULL, 0);
return 0;
}
]])], [tuklib_cv_cpucores_method=sysctl], [
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <unistd.h>
int
main(void)
{
long i;
#ifdef _SC_NPROCESSORS_ONLN
/* Many systems using sysconf() */
i = sysconf(_SC_NPROCESSORS_ONLN);
#else
/* IRIX */
i = sysconf(_SC_NPROC_ONLN);
#endif
return 0;
}
]])], [tuklib_cv_cpucores_method=sysconf], [
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/param.h>
#include <sys/pstat.h>
int
main(void)
{
struct pst_dynamic pst;
pstat_getdynamic(&pst, sizeof(pst), 1, 0);
(void)pst.psd_proc_cnt;
return 0;
}
]])], [tuklib_cv_cpucores_method=pstat_getdynamic], [
tuklib_cv_cpucores_method=unknown
])])])])
case $tuklib_cv_cpucores_method in
sysctl)
AC_DEFINE([TUKLIB_CPUCORES_SYSCTL], [1],
[Define to 1 if the number of available CPU cores
can be detected with sysctl().])
;;
sysconf)
AC_DEFINE([TUKLIB_CPUCORES_SYSCONF], [1],
[Define to 1 if the number of available CPU cores
can be detected with sysconf(_SC_NPROCESSORS_ONLN)
or sysconf(_SC_NPROC_ONLN).])
;;
pstat_getdynamic)
AC_DEFINE([TUKLIB_CPUCORES_PSTAT_GETDYNAMIC], [1],
[Define to 1 if the number of available CPU cores
can be detected with pstat_getdynamic().])
;;
esac
])dnl

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#
# SYNOPSIS
#
# TUKLIB_INTEGER
#
# DESCRIPTION
#
# Checks for tuklib_integer.h:
# - Endianness
# - Does operating system provide byte swapping macros
# - Does the hardware support fast unaligned access to 16-bit
# and 32-bit integers
#
# COPYING
#
# Author: Lasse Collin
#
# This file has been put into the public domain.
# You can do whatever you want with this file.
#
AC_DEFUN_ONCE([TUKLIB_INTEGER], [
AC_REQUIRE([TUKLIB_COMMON])
AC_REQUIRE([AC_C_BIGENDIAN])
AC_CHECK_HEADERS([byteswap.h sys/endian.h sys/byteorder.h], [break])
# Even if we have byteswap.h, we may lack the specific macros/functions.
if test x$ac_cv_header_byteswap_h = xyes ; then
m4_foreach([FUNC], [bswap_16,bswap_32,bswap_64], [
AC_MSG_CHECKING([if FUNC is available])
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <byteswap.h>
int
main(void)
{
FUNC[](42);
return 0;
}
])], [
AC_DEFINE(HAVE_[]m4_toupper(FUNC), [1],
[Define to 1 if] FUNC [is available.])
AC_MSG_RESULT([yes])
], [AC_MSG_RESULT([no])])
])dnl
fi
AC_MSG_CHECKING([if unaligned memory access should be used])
AC_ARG_ENABLE([unaligned-access], AC_HELP_STRING([--enable-unaligned-access],
[Enable if the system supports *fast* unaligned memory access
with 16-bit and 32-bit integers. By default, this is enabled
only on x86, x86_64, and big endian PowerPC.]),
[], [enable_unaligned_access=auto])
if test "x$enable_unaligned_access" = xauto ; then
# TODO: There may be other architectures, on which unaligned access
# is OK.
case $host_cpu in
i?86|x86_64|powerpc|powerpc64)
enable_unaligned_access=yes
;;
*)
enable_unaligned_access=no
;;
esac
fi
if test "x$enable_unaligned_access" = xyes ; then
AC_DEFINE([TUKLIB_FAST_UNALIGNED_ACCESS], [1], [Define to 1 if
the system supports fast unaligned access to 16-bit and
32-bit integers.])
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
])dnl

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#
# SYNOPSIS
#
# TUKLIB_MBSTR
#
# DESCRIPTION
#
# Check if multibyte and wide character functionality is available
# for use by tuklib_mbstr_* functions. If not enough multibyte string
# support is available in the C library, the functions keep working
# with the assumption that all strings are a in single-byte character
# set without combining characters, e.g. US-ASCII or ISO-8859-*.
#
# This .m4 file and tuklib_mbstr.h are common to all tuklib_mbstr_*
# functions, but each function is put into a separate .c file so
# that it is possible to pick only what is strictly needed.
#
# COPYING
#
# Author: Lasse Collin
#
# This file has been put into the public domain.
# You can do whatever you want with this file.
#
AC_DEFUN_ONCE([TUKLIB_MBSTR], [
AC_REQUIRE([TUKLIB_COMMON])
AC_FUNC_MBRTOWC
AC_CHECK_FUNCS([wcwidth])
])dnl

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#
# SYNOPSIS
#
# TUKLIB_PHYSMEM
#
# DESCRIPTION
#
# Check how to get the amount of physical memory.
# This information is used in tuklib_physmem.c.
#
# Supported methods:
#
# - Windows (including Cygwin), OS/2, DJGPP (DOS), and OpenVMS have
# operating-system specific functions.
#
# - AIX has _system_configuration.physmem.
#
# - sysconf() works on GNU/Linux and Solaris, and possibly on
# some BSDs.
#
# - BSDs use sysctl().
#
# - Tru64 uses getsysinfo().
#
# - HP-UX uses pstat_getstatic().
#
# - IRIX has setinvent_r(), getinvent_r(), and endinvent_r().
#
# - sysinfo() works on Linux/dietlibc and probably on other Linux
# systems whose libc may lack sysconf().
#
# COPYING
#
# Author: Lasse Collin
#
# This file has been put into the public domain.
# You can do whatever you want with this file.
#
AC_DEFUN_ONCE([TUKLIB_PHYSMEM], [
AC_REQUIRE([TUKLIB_COMMON])
# sys/param.h might be needed by sys/sysctl.h.
AC_CHECK_HEADERS([sys/param.h])
AC_CACHE_CHECK([how to detect the amount of physical memory],
[tuklib_cv_physmem_method], [
# Maybe checking $host_os would be enough but this matches what
# tuklib_physmem.c does.
#
# NOTE: IRIX has a compiler that doesn't error out with #error, so use
# a non-compilable text instead of #error to generate an error.
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#if defined(_WIN32) || defined(__CYGWIN__) || defined(__OS2__) \
|| defined(__DJGPP__) || defined(__VMS)
int main(void) { return 0; }
#else
compile error
#endif
]])], [tuklib_cv_physmem_method=special], [
# Look for AIX-specific solution before sysconf(), because the test
# for sysconf() will pass on AIX but won't actually work
# (sysconf(_SC_PHYS_PAGES) compiles but always returns -1 on AIX).
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/systemcfg.h>
int
main(void)
{
(void)_system_configuration.physmem;
return 0;
}
]])], [tuklib_cv_physmem_method=aix], [
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <unistd.h>
int
main(void)
{
long i;
i = sysconf(_SC_PAGESIZE);
i = sysconf(_SC_PHYS_PAGES);
return 0;
}
]])], [tuklib_cv_physmem_method=sysconf], [
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#include <sys/sysctl.h>
int
main(void)
{
int name[2] = { CTL_HW, HW_PHYSMEM };
unsigned long mem;
size_t mem_ptr_size = sizeof(mem);
sysctl(name, 2, &mem, &mem_ptr_size, NULL, 0);
return 0;
}
]])], [tuklib_cv_physmem_method=sysctl], [
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/sysinfo.h>
#include <machine/hal_sysinfo.h>
int
main(void)
{
int memkb;
int start = 0;
getsysinfo(GSI_PHYSMEM, (caddr_t)&memkb, sizeof(memkb), &start);
return 0;
}
]])], [tuklib_cv_physmem_method=getsysinfo],[
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/param.h>
#include <sys/pstat.h>
int
main(void)
{
struct pst_static pst;
pstat_getstatic(&pst, sizeof(pst), 1, 0);
(void)pst.physical_memory;
(void)pst.page_size;
return 0;
}
]])], [tuklib_cv_physmem_method=pstat_getstatic],[
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <invent.h>
int
main(void)
{
inv_state_t *st = NULL;
setinvent_r(&st);
getinvent_r(st);
endinvent_r(st);
return 0;
}
]])], [tuklib_cv_physmem_method=getinvent_r], [
# This version of sysinfo() is Linux-specific. Some non-Linux systems have
# different sysinfo() so we must check $host_os.
case $host_os in
linux*)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/sysinfo.h>
int
main(void)
{
struct sysinfo si;
sysinfo(&si);
return 0;
}
]])], [
tuklib_cv_physmem_method=sysinfo
], [
tuklib_cv_physmem_method=unknown
])
;;
*)
tuklib_cv_physmem_method=unknown
;;
esac
])])])])])])])])
case $tuklib_cv_physmem_method in
aix)
AC_DEFINE([TUKLIB_PHYSMEM_AIX], [1],
[Define to 1 if the amount of physical memory
can be detected with _system_configuration.physmem.])
;;
sysconf)
AC_DEFINE([TUKLIB_PHYSMEM_SYSCONF], [1],
[Define to 1 if the amount of physical memory can
be detected with sysconf(_SC_PAGESIZE) and
sysconf(_SC_PHYS_PAGES).])
;;
sysctl)
AC_DEFINE([TUKLIB_PHYSMEM_SYSCTL], [1],
[Define to 1 if the amount of physical memory can
be detected with sysctl().])
;;
getsysinfo)
AC_DEFINE([TUKLIB_PHYSMEM_GETSYSINFO], [1],
[Define to 1 if the amount of physical memory can
be detected with getsysinfo().])
;;
pstat_getstatic)
AC_DEFINE([TUKLIB_PHYSMEM_PSTAT_GETSTATIC], [1],
[Define to 1 if the amount of physical memory can
be detected with pstat_getstatic().])
;;
getinvent_r)
AC_DEFINE([TUKLIB_PHYSMEM_GETINVENT_R], [1],
[Define to 1 if the amount of physical memory
can be detected with getinvent_r().])
;;
sysinfo)
AC_DEFINE([TUKLIB_PHYSMEM_SYSINFO], [1],
[Define to 1 if the amount of physical memory
can be detected with Linux sysinfo().])
;;
esac
])dnl

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#
# SYNOPSIS
#
# TUKLIB_PROGNAME
#
# DESCRIPTION
#
# Put argv[0] into a global variable progname. On DOS-like systems,
# modify it so that it looks nice (no full path or .exe suffix).
#
# This .m4 file is needed allow this module to use glibc's
# program_invocation_name.
#
# COPYING
#
# Author: Lasse Collin
#
# This file has been put into the public domain.
# You can do whatever you want with this file.
#
AC_DEFUN_ONCE([TUKLIB_PROGNAME], [
AC_REQUIRE([TUKLIB_COMMON])
AC_CHECK_DECLS([program_invocation_name], [], [], [#include <errno.h>])
])dnl

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/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#include <winresrc.h>
#include "config.h"
#define LZMA_H_INTERNAL
#define LZMA_H_INTERNAL_RC
#include "lzma/version.h"
#ifndef MY_BUILD
# define MY_BUILD 0
#endif
#define MY_VERSION LZMA_VERSION_MAJOR,LZMA_VERSION_MINOR,LZMA_VERSION_PATCH,MY_BUILD
#define MY_FILENAME MY_NAME MY_SUFFIX
#define MY_COMPANY "The Tukaani Project <http://tukaani.org/>"
#define MY_PRODUCT PACKAGE_NAME " <" PACKAGE_URL ">"
LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
VS_VERSION_INFO VERSIONINFO
FILEVERSION MY_VERSION
PRODUCTVERSION MY_VERSION
FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
FILEFLAGS 0
FILEOS VOS_NT_WINDOWS32
FILETYPE MY_TYPE
FILESUBTYPE 0x0L
BEGIN
BLOCK "StringFileInfo"
BEGIN
BLOCK "040904b0"
BEGIN
VALUE "CompanyName", MY_COMPANY
VALUE "FileDescription", MY_DESC
VALUE "FileVersion", LZMA_VERSION_STRING
VALUE "InternalName", MY_NAME
VALUE "OriginalFilename", MY_FILENAME
VALUE "ProductName", MY_PRODUCT
VALUE "ProductVersion", LZMA_VERSION_STRING
END
END
BLOCK "VarFileInfo"
BEGIN
VALUE "Translation", 0x409, 1200
END
END

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///////////////////////////////////////////////////////////////////////////////
//
/// \file mythread.h
/// \brief Wrappers for threads
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "sysdefs.h"
#ifdef HAVE_PTHREAD
# include <pthread.h>
# define mythread_once(func) \
do { \
static pthread_once_t once_ = PTHREAD_ONCE_INIT; \
pthread_once(&once_, &func); \
} while (0)
# define mythread_sigmask(how, set, oset) \
pthread_sigmask(how, set, oset)
#else
# define mythread_once(func) \
do { \
static bool once_ = false; \
if (!once_) { \
func(); \
once_ = true; \
} \
} while (0)
# define mythread_sigmask(how, set, oset) \
sigprocmask(how, set, oset)
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file sysdefs.h
/// \brief Common includes, definitions, system-specific things etc.
///
/// This file is used also by the lzma command line tool, that's why this
/// file is separate from common.h.
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_SYSDEFS_H
#define LZMA_SYSDEFS_H
//////////////
// Includes //
//////////////
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
// Get standard-compliant stdio functions under MinGW and MinGW-w64.
#ifdef __MINGW32__
# define __USE_MINGW_ANSI_STDIO 1
#endif
// size_t and NULL
#include <stddef.h>
#ifdef HAVE_INTTYPES_H
# include <inttypes.h>
#endif
// C99 says that inttypes.h always includes stdint.h, but some systems
// don't do that, and require including stdint.h separately.
#ifdef HAVE_STDINT_H
# include <stdint.h>
#endif
// Some pre-C99 systems have SIZE_MAX in limits.h instead of stdint.h. The
// limits are also used to figure out some macros missing from pre-C99 systems.
#ifdef HAVE_LIMITS_H
# include <limits.h>
#endif
// Be more compatible with systems that have non-conforming inttypes.h.
// We assume that int is 32-bit and that long is either 32-bit or 64-bit.
// Full Autoconf test could be more correct, but this should work well enough.
// Note that this duplicates some code from lzma.h, but this is better since
// we can work without inttypes.h thanks to Autoconf tests.
#ifndef UINT32_C
# if UINT_MAX != 4294967295U
# error UINT32_C is not defined and unsigned int is not 32-bit.
# endif
# define UINT32_C(n) n ## U
#endif
#ifndef UINT32_MAX
# define UINT32_MAX UINT32_C(4294967295)
#endif
#ifndef PRIu32
# define PRIu32 "u"
#endif
#ifndef PRIX32
# define PRIX32 "X"
#endif
#if ULONG_MAX == 4294967295UL
# ifndef UINT64_C
# define UINT64_C(n) n ## ULL
# endif
# ifndef PRIu64
# define PRIu64 "llu"
# endif
# ifndef PRIX64
# define PRIX64 "llX"
# endif
#else
# ifndef UINT64_C
# define UINT64_C(n) n ## UL
# endif
# ifndef PRIu64
# define PRIu64 "lu"
# endif
# ifndef PRIX64
# define PRIX64 "lX"
# endif
#endif
#ifndef UINT64_MAX
# define UINT64_MAX UINT64_C(18446744073709551615)
#endif
// Interix has broken header files, which typedef size_t to unsigned long,
// but a few lines later define SIZE_MAX to INT32_MAX.
#ifdef __INTERIX
# undef SIZE_MAX
#endif
// The code currently assumes that size_t is either 32-bit or 64-bit.
#ifndef SIZE_MAX
# if SIZEOF_SIZE_T == 4
# define SIZE_MAX UINT32_MAX
# elif SIZEOF_SIZE_T == 8
# define SIZE_MAX UINT64_MAX
# else
# error size_t is not 32-bit or 64-bit
# endif
#endif
#if SIZE_MAX != UINT32_MAX && SIZE_MAX != UINT64_MAX
# error size_t is not 32-bit or 64-bit
#endif
#include <stdlib.h>
#include <assert.h>
// Pre-C99 systems lack stdbool.h. All the code in LZMA Utils must be written
// so that it works with fake bool type, for example:
//
// bool foo = (flags & 0x100) != 0;
// bool bar = !!(flags & 0x100);
//
// This works with the real C99 bool but breaks with fake bool:
//
// bool baz = (flags & 0x100);
//
#ifdef HAVE_STDBOOL_H
# include <stdbool.h>
#else
# if ! HAVE__BOOL
typedef unsigned char _Bool;
# endif
# define bool _Bool
# define false 0
# define true 1
# define __bool_true_false_are_defined 1
#endif
// string.h should be enough but let's include strings.h and memory.h too if
// they exists, since that shouldn't do any harm, but may improve portability.
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#ifdef HAVE_MEMORY_H
# include <memory.h>
#endif
////////////
// Macros //
////////////
#undef memzero
#define memzero(s, n) memset(s, 0, n)
// NOTE: Avoid using MIN() and MAX(), because even conditionally defining
// those macros can cause some portability trouble, since on some systems
// the system headers insist defining their own versions.
#define my_min(x, y) ((x) < (y) ? (x) : (y))
#define my_max(x, y) ((x) > (y) ? (x) : (y))
#ifndef ARRAY_SIZE
# define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
#endif
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_common.h
/// \brief Common definitions for tuklib modules
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef TUKLIB_COMMON_H
#define TUKLIB_COMMON_H
// The config file may be replaced by a package-specific file.
// It should include at least stddef.h, inttypes.h, and limits.h.
#include "tuklib_config.h"
// TUKLIB_SYMBOL_PREFIX is prefixed to all symbols exported by
// the tuklib modules. If you use a tuklib module in a library,
// you should use TUKLIB_SYMBOL_PREFIX to make sure that there
// are no symbol conflicts in case someone links your library
// into application that also uses the same tuklib module.
#ifndef TUKLIB_SYMBOL_PREFIX
# define TUKLIB_SYMBOL_PREFIX
#endif
#define TUKLIB_CAT_X(a, b) a ## b
#define TUKLIB_CAT(a, b) TUKLIB_CAT_X(a, b)
#ifndef TUKLIB_SYMBOL
# define TUKLIB_SYMBOL(sym) TUKLIB_CAT(TUKLIB_SYMBOL_PREFIX, sym)
#endif
#ifndef TUKLIB_DECLS_BEGIN
# ifdef __cplusplus
# define TUKLIB_DECLS_BEGIN extern "C" {
# else
# define TUKLIB_DECLS_BEGIN
# endif
#endif
#ifndef TUKLIB_DECLS_END
# ifdef __cplusplus
# define TUKLIB_DECLS_END }
# else
# define TUKLIB_DECLS_END
# endif
#endif
#if defined(__GNUC__) && defined(__GNUC_MINOR__)
# define TUKLIB_GNUC_REQ(major, minor) \
((__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)) \
|| __GNUC__ > (major))
#else
# define TUKLIB_GNUC_REQ(major, minor) 0
#endif
#if TUKLIB_GNUC_REQ(2, 5)
# define tuklib_attr_noreturn __attribute__((__noreturn__))
#else
# define tuklib_attr_noreturn
#endif
#if (defined(_WIN32) && !defined(__CYGWIN__)) \
|| defined(__OS2__) || defined(__MSDOS__)
# define TUKLIB_DOSLIKE 1
#endif
#endif

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#ifdef HAVE_CONFIG_H
# include "sysdefs.h"
#else
# include <stddef.h>
# include <inttypes.h>
# include <limits.h>
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_cpucores.c
/// \brief Get the number of CPU cores online
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "tuklib_cpucores.h"
#if defined(TUKLIB_CPUCORES_SYSCTL)
# ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
# endif
# include <sys/sysctl.h>
#elif defined(TUKLIB_CPUCORES_SYSCONF)
# include <unistd.h>
// HP-UX
#elif defined(TUKLIB_CPUCORES_PSTAT_GETDYNAMIC)
# include <sys/param.h>
# include <sys/pstat.h>
#endif
extern uint32_t
tuklib_cpucores(void)
{
uint32_t ret = 0;
#if defined(TUKLIB_CPUCORES_SYSCTL)
int name[2] = { CTL_HW, HW_NCPU };
int cpus;
size_t cpus_size = sizeof(cpus);
if (sysctl(name, 2, &cpus, &cpus_size, NULL, 0) != -1
&& cpus_size == sizeof(cpus) && cpus > 0)
ret = cpus;
#elif defined(TUKLIB_CPUCORES_SYSCONF)
# ifdef _SC_NPROCESSORS_ONLN
// Most systems
const long cpus = sysconf(_SC_NPROCESSORS_ONLN);
# else
// IRIX
const long cpus = sysconf(_SC_NPROC_ONLN);
# endif
if (cpus > 0)
ret = cpus;
#elif defined(TUKLIB_CPUCORES_PSTAT_GETDYNAMIC)
struct pst_dynamic pst;
if (pstat_getdynamic(&pst, sizeof(pst), 1, 0) != -1)
ret = pst.psd_proc_cnt;
#endif
return ret;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_cpucores.h
/// \brief Get the number of CPU cores online
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef TUKLIB_CPUCORES_H
#define TUKLIB_CPUCORES_H
#include "tuklib_common.h"
TUKLIB_DECLS_BEGIN
#define tuklib_cpucores TUKLIB_SYMBOL(tuklib_cpucores)
extern uint32_t tuklib_cpucores(void);
TUKLIB_DECLS_END
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_exit.c
/// \brief Close stdout and stderr, and exit
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "tuklib_common.h"
#include <stdlib.h>
#include <stdio.h>
#include "tuklib_gettext.h"
#include "tuklib_progname.h"
#include "tuklib_exit.h"
extern void
tuklib_exit(int status, int err_status, int show_error)
{
if (status != err_status) {
// Close stdout. If something goes wrong,
// print an error message to stderr.
const int ferror_err = ferror(stdout);
const int fclose_err = fclose(stdout);
if (ferror_err || fclose_err) {
status = err_status;
// If it was fclose() that failed, we have the reason
// in errno. If only ferror() indicated an error,
// we have no idea what the reason was.
if (show_error)
fprintf(stderr, "%s: %s: %s\n", progname,
_("Writing to standard "
"output failed"),
fclose_err ? strerror(errno)
: _("Unknown error"));
}
}
if (status != err_status) {
// Close stderr. If something goes wrong, there's
// nothing where we could print an error message.
// Just set the exit status.
const int ferror_err = ferror(stderr);
const int fclose_err = fclose(stderr);
if (fclose_err || ferror_err)
status = err_status;
}
exit(status);
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_exit.h
/// \brief Close stdout and stderr, and exit
/// \note Requires tuklib_progname and tuklib_gettext modules
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef TUKLIB_EXIT_H
#define TUKLIB_EXIT_H
#include "tuklib_common.h"
TUKLIB_DECLS_BEGIN
#define tuklib_exit TUKLIB_SYMBOL(tuklib_exit)
extern void tuklib_exit(int status, int err_status, int show_error)
tuklib_attr_noreturn;
TUKLIB_DECLS_END
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_gettext.h
/// \brief Wrapper for gettext and friends
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef TUKLIB_GETTEXT_H
#define TUKLIB_GETTEXT_H
#include "tuklib_common.h"
#include <locale.h>
#ifndef TUKLIB_GETTEXT
# ifdef ENABLE_NLS
# define TUKLIB_GETTEXT 1
# else
# define TUKLIB_GETTEXT 0
# endif
#endif
#if TUKLIB_GETTEXT
# include <libintl.h>
# define tuklib_gettext_init(package, localedir) \
do { \
setlocale(LC_ALL, ""); \
bindtextdomain(package, localedir); \
textdomain(package); \
} while (0)
# define _(msgid) gettext(msgid)
#else
# define tuklib_gettext_init(package, localedir) \
setlocale(LC_ALL, "")
# define _(msgid) (msgid)
# define ngettext(msgid1, msgid2, n) ((n) == 1 ? (msgid1) : (msgid2))
#endif
#define N_(msgid) msgid
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_integer.h
/// \brief Various integer and bit operations
///
/// This file provides macros or functions to do some basic integer and bit
/// operations.
///
/// Endianness related integer operations (XX = 16, 32, or 64; Y = b or l):
/// - Byte swapping: bswapXX(num)
/// - Byte order conversions to/from native: convXXYe(num)
/// - Aligned reads: readXXYe(ptr)
/// - Aligned writes: writeXXYe(ptr, num)
/// - Unaligned reads (16/32-bit only): unaligned_readXXYe(ptr)
/// - Unaligned writes (16/32-bit only): unaligned_writeXXYe(ptr, num)
///
/// Since they can macros, the arguments should have no side effects since
/// they may be evaluated more than once.
///
/// \todo PowerPC and possibly some other architectures support
/// byte swapping load and store instructions. This file
/// doesn't take advantage of those instructions.
///
/// Bit scan operations for non-zero 32-bit integers:
/// - Bit scan reverse (find highest non-zero bit): bsr32(num)
/// - Count leading zeros: clz32(num)
/// - Count trailing zeros: ctz32(num)
/// - Bit scan forward (simply an alias for ctz32()): bsf32(num)
///
/// The above bit scan operations return 0-31. If num is zero,
/// the result is undefined.
//
// Authors: Lasse Collin
// Joachim Henke
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef TUKLIB_INTEGER_H
#define TUKLIB_INTEGER_H
#include "tuklib_common.h"
////////////////////////////////////////
// Operating system specific features //
////////////////////////////////////////
#if defined(HAVE_BYTESWAP_H)
// glibc, uClibc, dietlibc
# include <byteswap.h>
# ifdef HAVE_BSWAP_16
# define bswap16(num) bswap_16(num)
# endif
# ifdef HAVE_BSWAP_32
# define bswap32(num) bswap_32(num)
# endif
# ifdef HAVE_BSWAP_64
# define bswap64(num) bswap_64(num)
# endif
#elif defined(HAVE_SYS_ENDIAN_H)
// *BSDs and Darwin
# include <sys/endian.h>
#elif defined(HAVE_SYS_BYTEORDER_H)
// Solaris
# include <sys/byteorder.h>
# ifdef BSWAP_16
# define bswap16(num) BSWAP_16(num)
# endif
# ifdef BSWAP_32
# define bswap32(num) BSWAP_32(num)
# endif
# ifdef BSWAP_64
# define bswap64(num) BSWAP_64(num)
# endif
# ifdef BE_16
# define conv16be(num) BE_16(num)
# endif
# ifdef BE_32
# define conv32be(num) BE_32(num)
# endif
# ifdef BE_64
# define conv64be(num) BE_64(num)
# endif
# ifdef LE_16
# define conv16le(num) LE_16(num)
# endif
# ifdef LE_32
# define conv32le(num) LE_32(num)
# endif
# ifdef LE_64
# define conv64le(num) LE_64(num)
# endif
#endif
///////////////////
// Byte swapping //
///////////////////
#ifndef bswap16
# define bswap16(num) \
(((uint16_t)(num) << 8) | ((uint16_t)(num) >> 8))
#endif
#ifndef bswap32
# define bswap32(num) \
( (((uint32_t)(num) << 24) ) \
| (((uint32_t)(num) << 8) & UINT32_C(0x00FF0000)) \
| (((uint32_t)(num) >> 8) & UINT32_C(0x0000FF00)) \
| (((uint32_t)(num) >> 24) ) )
#endif
#ifndef bswap64
# define bswap64(num) \
( (((uint64_t)(num) << 56) ) \
| (((uint64_t)(num) << 40) & UINT64_C(0x00FF000000000000)) \
| (((uint64_t)(num) << 24) & UINT64_C(0x0000FF0000000000)) \
| (((uint64_t)(num) << 8) & UINT64_C(0x000000FF00000000)) \
| (((uint64_t)(num) >> 8) & UINT64_C(0x00000000FF000000)) \
| (((uint64_t)(num) >> 24) & UINT64_C(0x0000000000FF0000)) \
| (((uint64_t)(num) >> 40) & UINT64_C(0x000000000000FF00)) \
| (((uint64_t)(num) >> 56) ) )
#endif
// Define conversion macros using the basic byte swapping macros.
#ifdef WORDS_BIGENDIAN
# ifndef conv16be
# define conv16be(num) ((uint16_t)(num))
# endif
# ifndef conv32be
# define conv32be(num) ((uint32_t)(num))
# endif
# ifndef conv64be
# define conv64be(num) ((uint64_t)(num))
# endif
# ifndef conv16le
# define conv16le(num) bswap16(num)
# endif
# ifndef conv32le
# define conv32le(num) bswap32(num)
# endif
# ifndef conv64le
# define conv64le(num) bswap64(num)
# endif
#else
# ifndef conv16be
# define conv16be(num) bswap16(num)
# endif
# ifndef conv32be
# define conv32be(num) bswap32(num)
# endif
# ifndef conv64be
# define conv64be(num) bswap64(num)
# endif
# ifndef conv16le
# define conv16le(num) ((uint16_t)(num))
# endif
# ifndef conv32le
# define conv32le(num) ((uint32_t)(num))
# endif
# ifndef conv64le
# define conv64le(num) ((uint64_t)(num))
# endif
#endif
//////////////////////////////
// Aligned reads and writes //
//////////////////////////////
static inline uint16_t
read16be(const uint8_t *buf)
{
uint16_t num = *(const uint16_t *)buf;
return conv16be(num);
}
static inline uint16_t
read16le(const uint8_t *buf)
{
uint16_t num = *(const uint16_t *)buf;
return conv16le(num);
}
static inline uint32_t
read32be(const uint8_t *buf)
{
uint32_t num = *(const uint32_t *)buf;
return conv32be(num);
}
static inline uint32_t
read32le(const uint8_t *buf)
{
uint32_t num = *(const uint32_t *)buf;
return conv32le(num);
}
static inline uint64_t
read64be(const uint8_t *buf)
{
uint64_t num = *(const uint64_t *)buf;
return conv64be(num);
}
static inline uint64_t
read64le(const uint8_t *buf)
{
uint64_t num = *(const uint64_t *)buf;
return conv64le(num);
}
// NOTE: Possible byte swapping must be done in a macro to allow GCC
// to optimize byte swapping of constants when using glibc's or *BSD's
// byte swapping macros. The actual write is done in an inline function
// to make type checking of the buf pointer possible similarly to readXXYe()
// functions.
#define write16be(buf, num) write16ne((buf), conv16be(num))
#define write16le(buf, num) write16ne((buf), conv16le(num))
#define write32be(buf, num) write32ne((buf), conv32be(num))
#define write32le(buf, num) write32ne((buf), conv32le(num))
#define write64be(buf, num) write64ne((buf), conv64be(num))
#define write64le(buf, num) write64ne((buf), conv64le(num))
static inline void
write16ne(uint8_t *buf, uint16_t num)
{
*(uint16_t *)buf = num;
return;
}
static inline void
write32ne(uint8_t *buf, uint32_t num)
{
*(uint32_t *)buf = num;
return;
}
static inline void
write64ne(uint8_t *buf, uint64_t num)
{
*(uint64_t *)buf = num;
return;
}
////////////////////////////////
// Unaligned reads and writes //
////////////////////////////////
// NOTE: TUKLIB_FAST_UNALIGNED_ACCESS indicates only support for 16-bit and
// 32-bit unaligned integer loads and stores. It's possible that 64-bit
// unaligned access doesn't work or is slower than byte-by-byte access.
// Since unaligned 64-bit is probably not needed as often as 16-bit or
// 32-bit, we simply don't support 64-bit unaligned access for now.
#ifdef TUKLIB_FAST_UNALIGNED_ACCESS
# define unaligned_read16be read16be
# define unaligned_read16le read16le
# define unaligned_read32be read32be
# define unaligned_read32le read32le
# define unaligned_write16be write16be
# define unaligned_write16le write16le
# define unaligned_write32be write32be
# define unaligned_write32le write32le
#else
static inline uint16_t
unaligned_read16be(const uint8_t *buf)
{
uint16_t num = ((uint16_t)buf[0] << 8) | (uint16_t)buf[1];
return num;
}
static inline uint16_t
unaligned_read16le(const uint8_t *buf)
{
uint16_t num = ((uint16_t)buf[0]) | ((uint16_t)buf[1] << 8);
return num;
}
static inline uint32_t
unaligned_read32be(const uint8_t *buf)
{
uint32_t num = (uint32_t)buf[0] << 24;
num |= (uint32_t)buf[1] << 16;
num |= (uint32_t)buf[2] << 8;
num |= (uint32_t)buf[3];
return num;
}
static inline uint32_t
unaligned_read32le(const uint8_t *buf)
{
uint32_t num = (uint32_t)buf[0];
num |= (uint32_t)buf[1] << 8;
num |= (uint32_t)buf[2] << 16;
num |= (uint32_t)buf[3] << 24;
return num;
}
static inline void
unaligned_write16be(uint8_t *buf, uint16_t num)
{
buf[0] = num >> 8;
buf[1] = num;
return;
}
static inline void
unaligned_write16le(uint8_t *buf, uint16_t num)
{
buf[0] = num;
buf[1] = num >> 8;
return;
}
static inline void
unaligned_write32be(uint8_t *buf, uint32_t num)
{
buf[0] = num >> 24;
buf[1] = num >> 16;
buf[2] = num >> 8;
buf[3] = num;
return;
}
static inline void
unaligned_write32le(uint8_t *buf, uint32_t num)
{
buf[0] = num;
buf[1] = num >> 8;
buf[2] = num >> 16;
buf[3] = num >> 24;
return;
}
#endif
static inline uint32_t
bsr32(uint32_t n)
{
// Check for ICC first, since it tends to define __GNUC__ too.
#if defined(__INTEL_COMPILER)
return _bit_scan_reverse(n);
#elif TUKLIB_GNUC_REQ(3, 4) && UINT_MAX == UINT32_MAX
// GCC >= 3.4 has __builtin_clz(), which gives good results on
// multiple architectures. On x86, __builtin_clz() ^ 31U becomes
// either plain BSR (so the XOR gets optimized away) or LZCNT and
// XOR (if -march indicates that SSE4a instructions are supported).
return __builtin_clz(n) ^ 31U;
#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
uint32_t i;
__asm__("bsrl %1, %0" : "=r" (i) : "rm" (n));
return i;
#elif defined(_MSC_VER) && _MSC_VER >= 1400
// MSVC isn't supported by tuklib, but since this code exists,
// it doesn't hurt to have it here anyway.
uint32_t i;
_BitScanReverse((DWORD *)&i, n);
return i;
#else
uint32_t i = 31;
if ((n & UINT32_C(0xFFFF0000)) == 0) {
n <<= 16;
i = 15;
}
if ((n & UINT32_C(0xFF000000)) == 0) {
n <<= 8;
i -= 8;
}
if ((n & UINT32_C(0xF0000000)) == 0) {
n <<= 4;
i -= 4;
}
if ((n & UINT32_C(0xC0000000)) == 0) {
n <<= 2;
i -= 2;
}
if ((n & UINT32_C(0x80000000)) == 0)
--i;
return i;
#endif
}
static inline uint32_t
clz32(uint32_t n)
{
#if defined(__INTEL_COMPILER)
return _bit_scan_reverse(n) ^ 31U;
#elif TUKLIB_GNUC_REQ(3, 4) && UINT_MAX == UINT32_MAX
return __builtin_clz(n);
#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
uint32_t i;
__asm__("bsrl %1, %0\n\t"
"xorl $31, %0"
: "=r" (i) : "rm" (n));
return i;
#elif defined(_MSC_VER) && _MSC_VER >= 1400
uint32_t i;
_BitScanReverse((DWORD *)&i, n);
return i ^ 31U;
#else
uint32_t i = 0;
if ((n & UINT32_C(0xFFFF0000)) == 0) {
n <<= 16;
i = 16;
}
if ((n & UINT32_C(0xFF000000)) == 0) {
n <<= 8;
i += 8;
}
if ((n & UINT32_C(0xF0000000)) == 0) {
n <<= 4;
i += 4;
}
if ((n & UINT32_C(0xC0000000)) == 0) {
n <<= 2;
i += 2;
}
if ((n & UINT32_C(0x80000000)) == 0)
++i;
return i;
#endif
}
static inline uint32_t
ctz32(uint32_t n)
{
#if defined(__INTEL_COMPILER)
return _bit_scan_forward(n);
#elif TUKLIB_GNUC_REQ(3, 4) && UINT_MAX >= UINT32_MAX
return __builtin_ctz(n);
#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
uint32_t i;
__asm__("bsfl %1, %0" : "=r" (i) : "rm" (n));
return i;
#elif defined(_MSC_VER) && _MSC_VER >= 1400
uint32_t i;
_BitScanForward((DWORD *)&i, n);
return i;
#else
uint32_t i = 0;
if ((n & UINT32_C(0x0000FFFF)) == 0) {
n >>= 16;
i = 16;
}
if ((n & UINT32_C(0x000000FF)) == 0) {
n >>= 8;
i += 8;
}
if ((n & UINT32_C(0x0000000F)) == 0) {
n >>= 4;
i += 4;
}
if ((n & UINT32_C(0x00000003)) == 0) {
n >>= 2;
i += 2;
}
if ((n & UINT32_C(0x00000001)) == 0)
++i;
return i;
#endif
}
#define bsf32 ctz32
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_mstr.h
/// \brief Utility functions for handling multibyte strings
///
/// If not enough multibyte string support is available in the C library,
/// these functions keep working with the assumption that all strings
/// are in a single-byte character set without combining characters, e.g.
/// US-ASCII or ISO-8859-*.
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef TUKLIB_MBSTR_H
#define TUKLIB_MBSTR_H
#include "tuklib_common.h"
TUKLIB_DECLS_BEGIN
#define tuklib_mbstr_width TUKLIB_SYMBOL(tuklib_mbstr_width)
extern size_t tuklib_mbstr_width(const char *str, size_t *bytes);
///<
/// \brief Get the number of columns needed for the multibyte string
///
/// This is somewhat similar to wcswidth() but works on multibyte strings.
///
/// \param str String whose width is to be calculated. If the
/// current locale uses a multibyte character set
/// that has shift states, the string must begin
/// and end in the initial shift state.
/// \param bytes If this is not NULL, *bytes is set to the
/// value returned by strlen(str) (even if an
/// error occurs when calculating the width).
///
/// \return On success, the number of columns needed to display the
/// string e.g. in a terminal emulator is returned. On error,
/// (size_t)-1 is returned. Possible errors include invalid,
/// partial, or non-printable multibyte character in str, or
/// that str doesn't end in the initial shift state.
#define tuklib_mbstr_fw TUKLIB_SYMBOL(tuklib_mbstr_fw)
extern int tuklib_mbstr_fw(const char *str, int columns_min);
///<
/// \brief Get the field width for printf() e.g. to align table columns
///
/// Printing simple tables to a terminal can be done using the field field
/// feature in the printf() format string, but it works only with single-byte
/// character sets. To do the same with multibyte strings, tuklib_mbstr_fw()
/// can be used to calculate appropriate field width.
///
/// The behavior of this function is undefined, if
/// - str is NULL or not terminated with '\0';
/// - columns_min <= 0; or
/// - the calculated field width exceeds INT_MAX.
///
/// \return If tuklib_mbstr_width(str, NULL) fails, -1 is returned.
/// If str needs more columns than columns_min, zero is returned.
/// Otherwise a positive integer is returned, which can be
/// used as the field width, e.g. printf("%*s", fw, str).
TUKLIB_DECLS_END
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_mstr_fw.c
/// \brief Get the field width for printf() e.g. to align table columns
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "tuklib_mbstr.h"
extern int
tuklib_mbstr_fw(const char *str, int columns_min)
{
size_t len;
const size_t width = tuklib_mbstr_width(str, &len);
if (width == (size_t)-1)
return -1;
if (width > (size_t)columns_min)
return 0;
if (width < (size_t)columns_min)
len += (size_t)columns_min - width;
return len;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_mstr_width.c
/// \brief Calculate width of a multibyte string
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "tuklib_mbstr.h"
#if defined(HAVE_MBRTOWC) && defined(HAVE_WCWIDTH)
# include <wchar.h>
#endif
extern size_t
tuklib_mbstr_width(const char *str, size_t *bytes)
{
const size_t len = strlen(str);
if (bytes != NULL)
*bytes = len;
#if !(defined(HAVE_MBRTOWC) && defined(HAVE_WCWIDTH))
// In single-byte mode, the width of the string is the same
// as its length.
return len;
#else
mbstate_t state;
memset(&state, 0, sizeof(state));
size_t width = 0;
size_t i = 0;
// Convert one multibyte character at a time to wchar_t
// and get its width using wcwidth().
while (i < len) {
wchar_t wc;
const size_t ret = mbrtowc(&wc, str + i, len - i, &state);
if (ret < 1 || ret > len)
return (size_t)-1;
i += ret;
const int wc_width = wcwidth(wc);
if (wc_width < 0)
return (size_t)-1;
width += wc_width;
}
// Require that the string ends in the initial shift state.
// This way the caller can be combine the string with other
// strings without needing to worry about the shift states.
if (!mbsinit(&state))
return (size_t)-1;
return width;
#endif
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_open_stdxxx.c
/// \brief Make sure that file descriptors 0, 1, and 2 are open
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "tuklib_open_stdxxx.h"
#ifndef TUKLIB_DOSLIKE
# include <stdlib.h>
# include <errno.h>
# include <fcntl.h>
# include <unistd.h>
#endif
extern void
tuklib_open_stdxxx(int err_status)
{
#ifdef TUKLIB_DOSLIKE
// Do nothing, just silence warnings.
(void)err_status;
#else
for (int i = 0; i <= 2; ++i) {
// We use fcntl() to check if the file descriptor is open.
if (fcntl(i, F_GETFD) == -1 && errno == EBADF) {
// With stdin, we could use /dev/full so that
// writing to stdin would fail. However, /dev/full
// is Linux specific, and if the program tries to
// write to stdin, there's already a problem anyway.
const int fd = open("/dev/null", O_NOCTTY
| (i == 0 ? O_WRONLY : O_RDONLY));
if (fd != i) {
// Something went wrong. Exit with the
// exit status we were given. Don't try
// to print an error message, since stderr
// may very well be non-existent. This
// error should be extremely rare.
(void)close(fd);
exit(err_status);
}
}
}
#endif
return;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_open_stdxxx.h
/// \brief Make sure that file descriptors 0, 1, and 2 are open
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef TUKLIB_OPEN_STDXXX_H
#define TUKLIB_OPEN_STDXXX_H
#include "tuklib_common.h"
TUKLIB_DECLS_BEGIN
#define tuklib_open_stdxx TUKLIB_SYMBOL(tuklib_open_stdxxx)
extern void tuklib_open_stdxxx(int err_status);
TUKLIB_DECLS_END
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_physmem.c
/// \brief Get the amount of physical memory
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "tuklib_physmem.h"
// We want to use Windows-specific code on Cygwin, which also has memory
// information available via sysconf(), but on Cygwin 1.5 and older it
// gives wrong results (from our point of view).
#if defined(_WIN32) || defined(__CYGWIN__)
# ifndef _WIN32_WINNT
# define _WIN32_WINNT 0x0500
# endif
# include <windows.h>
#elif defined(__OS2__)
# define INCL_DOSMISC
# include <os2.h>
#elif defined(__DJGPP__)
# include <dpmi.h>
#elif defined(__VMS)
# include <lib$routines.h>
# include <syidef.h>
# include <ssdef.h>
// AIX
#elif defined(TUKLIB_PHYSMEM_AIX)
# include <sys/systemcfg.h>
#elif defined(TUKLIB_PHYSMEM_SYSCONF)
# include <unistd.h>
#elif defined(TUKLIB_PHYSMEM_SYSCTL)
# ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
# endif
# include <sys/sysctl.h>
// Tru64
#elif defined(TUKLIB_PHYSMEM_GETSYSINFO)
# include <sys/sysinfo.h>
# include <machine/hal_sysinfo.h>
// HP-UX
#elif defined(TUKLIB_PHYSMEM_PSTAT_GETSTATIC)
# include <sys/param.h>
# include <sys/pstat.h>
// IRIX
#elif defined(TUKLIB_PHYSMEM_GETINVENT_R)
# include <invent.h>
// This sysinfo() is Linux-specific.
#elif defined(TUKLIB_PHYSMEM_SYSINFO)
# include <sys/sysinfo.h>
#endif
extern uint64_t
tuklib_physmem(void)
{
#ifdef __minix
return 0;
#else
uint64_t ret = 0;
#if defined(_WIN32) || defined(__CYGWIN__)
if ((GetVersion() & 0xFF) >= 5) {
// Windows 2000 and later have GlobalMemoryStatusEx() which
// supports reporting values greater than 4 GiB. To keep the
// code working also on older Windows versions, use
// GlobalMemoryStatusEx() conditionally.
HMODULE kernel32 = GetModuleHandle("kernel32.dll");
if (kernel32 != NULL) {
BOOL (WINAPI *gmse)(LPMEMORYSTATUSEX) = GetProcAddress(
kernel32, "GlobalMemoryStatusEx");
if (gmse != NULL) {
MEMORYSTATUSEX meminfo;
meminfo.dwLength = sizeof(meminfo);
if (gmse(&meminfo))
ret = meminfo.ullTotalPhys;
}
}
}
if (ret == 0) {
// GlobalMemoryStatus() is supported by Windows 95 and later,
// so it is fine to link against it unconditionally. Note that
// GlobalMemoryStatus() has no return value.
MEMORYSTATUS meminfo;
meminfo.dwLength = sizeof(meminfo);
GlobalMemoryStatus(&meminfo);
ret = meminfo.dwTotalPhys;
}
#elif defined(__OS2__)
unsigned long mem;
if (DosQuerySysInfo(QSV_TOTPHYSMEM, QSV_TOTPHYSMEM,
&mem, sizeof(mem)) == 0)
ret = mem;
#elif defined(__DJGPP__)
__dpmi_free_mem_info meminfo;
if (__dpmi_get_free_memory_information(&meminfo) == 0
&& meminfo.total_number_of_physical_pages
!= (unsigned long)-1)
ret = (uint64_t)meminfo.total_number_of_physical_pages * 4096;
#elif defined(__VMS)
int vms_mem;
int val = SYI$_MEMSIZE;
if (LIB$GETSYI(&val, &vms_mem, 0, 0, 0, 0) == SS$_NORMAL)
ret = (uint64_t)vms_mem * 8192;
#elif defined(TUKLIB_PHYSMEM_AIX)
ret = _system_configuration.physmem;
#elif defined(TUKLIB_PHYSMEM_SYSCONF)
const long pagesize = sysconf(_SC_PAGESIZE);
const long pages = sysconf(_SC_PHYS_PAGES);
if (pagesize != -1 && pages != -1)
// According to docs, pagesize * pages can overflow.
// Simple case is 32-bit box with 4 GiB or more RAM,
// which may report exactly 4 GiB of RAM, and "long"
// being 32-bit will overflow. Casting to uint64_t
// hopefully avoids overflows in the near future.
ret = (uint64_t)pagesize * (uint64_t)pages;
#elif defined(TUKLIB_PHYSMEM_SYSCTL)
int name[2] = {
CTL_HW,
#ifdef HW_PHYSMEM64
HW_PHYSMEM64
#else
HW_PHYSMEM
#endif
};
union {
uint32_t u32;
uint64_t u64;
} mem;
size_t mem_ptr_size = sizeof(mem.u64);
if (sysctl(name, 2, &mem.u64, &mem_ptr_size, NULL, 0) != -1) {
// IIRC, 64-bit "return value" is possible on some 64-bit
// BSD systems even with HW_PHYSMEM (instead of HW_PHYSMEM64),
// so support both.
if (mem_ptr_size == sizeof(mem.u64))
ret = mem.u64;
else if (mem_ptr_size == sizeof(mem.u32))
ret = mem.u32;
}
#elif defined(TUKLIB_PHYSMEM_GETSYSINFO)
// Docs are unclear if "start" is needed, but it doesn't hurt
// much to have it.
int memkb;
int start = 0;
if (getsysinfo(GSI_PHYSMEM, (caddr_t)&memkb, sizeof(memkb), &start)
!= -1)
ret = (uint64_t)memkb * 1024;
#elif defined(TUKLIB_PHYSMEM_PSTAT_GETSTATIC)
struct pst_static pst;
if (pstat_getstatic(&pst, sizeof(pst), 1, 0) != -1)
ret = (uint64_t)pst.physical_memory * (uint64_t)pst.page_size;
#elif defined(TUKLIB_PHYSMEM_GETINVENT_R)
inv_state_t *st = NULL;
if (setinvent_r(&st) != -1) {
inventory_t *i;
while ((i = getinvent_r(st)) != NULL) {
if (i->inv_class == INV_MEMORY
&& i->inv_type == INV_MAIN_MB) {
ret = (uint64_t)i->inv_state << 20;
break;
}
}
endinvent_r(st);
}
#elif defined(TUKLIB_PHYSMEM_SYSINFO)
struct sysinfo si;
if (sysinfo(&si) == 0)
ret = (uint64_t)si.totalram * si.mem_unit;
#endif
return ret;
#endif
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_physmem.h
/// \brief Get the amount of physical memory
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef TUKLIB_PHYSMEM_H
#define TUKLIB_PHYSMEM_H
#include "tuklib_common.h"
TUKLIB_DECLS_BEGIN
#define tuklib_physmem TUKLIB_SYMBOL(tuklib_physmem)
extern uint64_t tuklib_physmem(void);
///<
/// \brief Get the amount of physical memory in bytes
///
/// \return Amount of physical memory in bytes. On error, zero is
/// returned.
TUKLIB_DECLS_END
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_progname.c
/// \brief Program name to be displayed in messages
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "tuklib_progname.h"
#include <string.h>
#if !HAVE_DECL_PROGRAM_INVOCATION_NAME
char *progname = NULL;
#endif
extern void
tuklib_progname_init(char **argv)
{
#ifdef TUKLIB_DOSLIKE
// On these systems, argv[0] always has the full path and .exe
// suffix even if the user just types the plain program name.
// We modify argv[0] to make it nicer to read.
// Strip the leading path.
char *p = argv[0] + strlen(argv[0]);
while (argv[0] < p && p[-1] != '/' && p[-1] != '\\')
--p;
argv[0] = p;
// Strip the .exe suffix.
p = strrchr(p, '.');
if (p != NULL)
*p = '\0';
// Make it lowercase.
for (p = argv[0]; *p != '\0'; ++p)
if (*p >= 'A' && *p <= 'Z')
*p = *p - 'A' + 'a';
#endif
progname = argv[0];
return;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_progname.h
/// \brief Program name to be displayed in messages
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef TUKLIB_PROGNAME_H
#define TUKLIB_PROGNAME_H
#include "tuklib_common.h"
#include <errno.h>
TUKLIB_DECLS_BEGIN
#if HAVE_DECL_PROGRAM_INVOCATION_NAME
# define progname program_invocation_name
#else
# define progname TUKLIB_SYMBOL(tuklib_progname)
extern char *progname;
#endif
#define tuklib_progname_init TUKLIB_SYMBOL(tuklib_progname_init)
extern void tuklib_progname_init(char **argv);
TUKLIB_DECLS_END
#endif

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/**
* \file api/lzma.h
* \brief The public API of liblzma data compression library
*
* liblzma is a public domain general-purpose data compression library with
* a zlib-like API. The native file format is .xz, but also the old .lzma
* format and raw (no headers) streams are supported. Multiple compression
* algorithms (filters) are supported. Currently LZMA2 is the primary filter.
*
* liblzma is part of XZ Utils <http://tukaani.org/xz/>. XZ Utils includes
* a gzip-like command line tool named xz and some other tools. XZ Utils
* is developed and maintained by Lasse Collin.
*
* Major parts of liblzma are based on Igor Pavlov's public domain LZMA SDK
* <http://7-zip.org/sdk.html>.
*
* The SHA-256 implementation is based on the public domain code found from
* 7-Zip <http://7-zip.org/>, which has a modified version of the public
* domain SHA-256 code found from Crypto++ <http://www.cryptopp.com/>.
* The SHA-256 code in Crypto++ was written by Kevin Springle and Wei Dai.
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#ifndef LZMA_H
#define LZMA_H
/*****************************
* Required standard headers *
*****************************/
/*
* liblzma API headers need some standard types and macros. To allow
* including lzma.h without requiring the application to include other
* headers first, lzma.h includes the required standard headers unless
* they already seem to be included already or if LZMA_MANUAL_HEADERS
* has been defined.
*
* Here's what types and macros are needed and from which headers:
* - stddef.h: size_t, NULL
* - stdint.h: uint8_t, uint32_t, uint64_t, UINT32_C(n), uint64_C(n),
* UINT32_MAX, UINT64_MAX
*
* However, inttypes.h is a little more portable than stdint.h, although
* inttypes.h declares some unneeded things compared to plain stdint.h.
*
* The hacks below aren't perfect, specifically they assume that inttypes.h
* exists and that it typedefs at least uint8_t, uint32_t, and uint64_t,
* and that, in case of incomplete inttypes.h, unsigned int is 32-bit.
* If the application already takes care of setting up all the types and
* macros properly (for example by using gnulib's stdint.h or inttypes.h),
* we try to detect that the macros are already defined and don't include
* inttypes.h here again. However, you may define LZMA_MANUAL_HEADERS to
* force this file to never include any system headers.
*
* Some could argue that liblzma API should provide all the required types,
* for example lzma_uint64, LZMA_UINT64_C(n), and LZMA_UINT64_MAX. This was
* seen as an unnecessary mess, since most systems already provide all the
* necessary types and macros in the standard headers.
*
* Note that liblzma API still has lzma_bool, because using stdbool.h would
* break C89 and C++ programs on many systems. sizeof(bool) in C99 isn't
* necessarily the same as sizeof(bool) in C++.
*/
#ifndef LZMA_MANUAL_HEADERS
/*
* I suppose this works portably also in C++. Note that in C++,
* we need to get size_t into the global namespace.
*/
# include <stddef.h>
/*
* Skip inttypes.h if we already have all the required macros. If we
* have the macros, we assume that we have the matching typedefs too.
*/
# if !defined(UINT32_C) || !defined(UINT64_C) \
|| !defined(UINT32_MAX) || !defined(UINT64_MAX)
/*
* MSVC has no C99 support, and thus it cannot be used to
* compile liblzma. The liblzma API has to still be usable
* from MSVC, so we need to define the required standard
* integer types here.
*/
# if defined(_WIN32) && defined(_MSC_VER)
typedef unsigned __int8 uint8_t;
typedef unsigned __int32 uint32_t;
typedef unsigned __int64 uint64_t;
# else
/* Use the standard inttypes.h. */
# ifdef __cplusplus
/*
* C99 sections 7.18.2 and 7.18.4 specify
* that C++ implementations define the limit
* and constant macros only if specifically
* requested. Note that if you want the
* format macros (PRIu64 etc.) too, you need
* to define __STDC_FORMAT_MACROS before
* including lzma.h, since re-including
* inttypes.h with __STDC_FORMAT_MACROS
* defined doesn't necessarily work.
*/
# ifndef __STDC_LIMIT_MACROS
# define __STDC_LIMIT_MACROS 1
# endif
# ifndef __STDC_CONSTANT_MACROS
# define __STDC_CONSTANT_MACROS 1
# endif
# endif
# include <inttypes.h>
# endif
/*
* Some old systems have only the typedefs in inttypes.h, and
* lack all the macros. For those systems, we need a few more
* hacks. We assume that unsigned int is 32-bit and unsigned
* long is either 32-bit or 64-bit. If these hacks aren't
* enough, the application has to setup the types manually
* before including lzma.h.
*/
# ifndef UINT32_C
# if defined(_WIN32) && defined(_MSC_VER)
# define UINT32_C(n) n ## UI32
# else
# define UINT32_C(n) n ## U
# endif
# endif
# ifndef UINT64_C
# if defined(_WIN32) && defined(_MSC_VER)
# define UINT64_C(n) n ## UI64
# else
/* Get ULONG_MAX. */
# include <limits.h>
# if ULONG_MAX == 4294967295UL
# define UINT64_C(n) n ## ULL
# else
# define UINT64_C(n) n ## UL
# endif
# endif
# endif
# ifndef UINT32_MAX
# define UINT32_MAX (UINT32_C(4294967295))
# endif
# ifndef UINT64_MAX
# define UINT64_MAX (UINT64_C(18446744073709551615))
# endif
# endif
#endif /* ifdef LZMA_MANUAL_HEADERS */
/******************
* LZMA_API macro *
******************/
/*
* Some systems require that the functions and function pointers are
* declared specially in the headers. LZMA_API_IMPORT is for importing
* symbols and LZMA_API_CALL is to specify the calling convention.
*
* By default it is assumed that the application will link dynamically
* against liblzma. #define LZMA_API_STATIC in your application if you
* want to link against static liblzma. If you don't care about portability
* to operating systems like Windows, or at least don't care about linking
* against static liblzma on them, don't worry about LZMA_API_STATIC. That
* is, most developers will never need to use LZMA_API_STATIC.
*
* The GCC variants are a special case on Windows (Cygwin and MinGW).
* We rely on GCC doing the right thing with its auto-import feature,
* and thus don't use __declspec(dllimport). This way developers don't
* need to worry about LZMA_API_STATIC. Also the calling convention is
* omitted on Cygwin but not on MinGW.
*/
#ifndef LZMA_API_IMPORT
# if !defined(LZMA_API_STATIC) && defined(_WIN32) && !defined(__GNUC__)
# define LZMA_API_IMPORT __declspec(dllimport)
# else
# define LZMA_API_IMPORT
# endif
#endif
#ifndef LZMA_API_CALL
# if defined(_WIN32) && !defined(__CYGWIN__)
# define LZMA_API_CALL __cdecl
# else
# define LZMA_API_CALL
# endif
#endif
#ifndef LZMA_API
# define LZMA_API(type) LZMA_API_IMPORT type LZMA_API_CALL
#endif
/***********
* nothrow *
***********/
/*
* None of the functions in liblzma may throw an exception. Even
* the functions that use callback functions won't throw exceptions,
* because liblzma would break if a callback function threw an exception.
*/
#ifndef lzma_nothrow
# if defined(__cplusplus)
# define lzma_nothrow throw()
# elif __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)
# define lzma_nothrow __attribute__((__nothrow__))
# else
# define lzma_nothrow
# endif
#endif
/********************
* GNU C extensions *
********************/
/*
* GNU C extensions are used conditionally in the public API. It doesn't
* break anything if these are sometimes enabled and sometimes not, only
* affects warnings and optimizations.
*/
#if __GNUC__ >= 3
# ifndef lzma_attribute
# define lzma_attribute(attr) __attribute__(attr)
# endif
/* warn_unused_result was added in GCC 3.4. */
# ifndef lzma_attr_warn_unused_result
# if __GNUC__ == 3 && __GNUC_MINOR__ < 4
# define lzma_attr_warn_unused_result
# endif
# endif
#else
# ifndef lzma_attribute
# define lzma_attribute(attr)
# endif
#endif
#ifndef lzma_attr_pure
# define lzma_attr_pure lzma_attribute((__pure__))
#endif
#ifndef lzma_attr_const
# define lzma_attr_const lzma_attribute((__const__))
#endif
#ifndef lzma_attr_warn_unused_result
# define lzma_attr_warn_unused_result \
lzma_attribute((__warn_unused_result__))
#endif
/**************
* Subheaders *
**************/
#ifdef __cplusplus
extern "C" {
#endif
/*
* Subheaders check that this is defined. It is to prevent including
* them directly from applications.
*/
#define LZMA_H_INTERNAL 1
/* Basic features */
#include "lzma/version.h"
#include "lzma/base.h"
#include "lzma/vli.h"
#include "lzma/check.h"
/* Filters */
#include "lzma/filter.h"
#include "lzma/bcj.h"
#include "lzma/delta.h"
#include "lzma/lzma.h"
/* Container formats */
#include "lzma/container.h"
/* Advanced features */
#include "lzma/stream_flags.h"
#include "lzma/block.h"
#include "lzma/index.h"
#include "lzma/index_hash.h"
/* Hardware information */
#include "lzma/hardware.h"
/*
* All subheaders included. Undefine LZMA_H_INTERNAL to prevent applications
* re-including the subheaders.
*/
#undef LZMA_H_INTERNAL
#ifdef __cplusplus
}
#endif
#endif /* ifndef LZMA_H */

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/**
* \file lzma/base.h
* \brief Data types and functions used in many places in liblzma API
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Boolean
*
* This is here because C89 doesn't have stdbool.h. To set a value for
* variables having type lzma_bool, you can use
* - C99's `true' and `false' from stdbool.h;
* - C++'s internal `true' and `false'; or
* - integers one (true) and zero (false).
*/
typedef unsigned char lzma_bool;
/**
* \brief Type of reserved enumeration variable in structures
*
* To avoid breaking library ABI when new features are added, several
* structures contain extra variables that may be used in future. Since
* sizeof(enum) can be different than sizeof(int), and sizeof(enum) may
* even vary depending on the range of enumeration constants, we specify
* a separate type to be used for reserved enumeration variables. All
* enumeration constants in liblzma API will be non-negative and less
* than 128, which should guarantee that the ABI won't break even when
* new constants are added to existing enumerations.
*/
typedef enum {
LZMA_RESERVED_ENUM = 0
} lzma_reserved_enum;
/**
* \brief Return values used by several functions in liblzma
*
* Check the descriptions of specific functions to find out which return
* values they can return. With some functions the return values may have
* more specific meanings than described here; those differences are
* described per-function basis.
*/
typedef enum {
LZMA_OK = 0,
/**<
* \brief Operation completed successfully
*/
LZMA_STREAM_END = 1,
/**<
* \brief End of stream was reached
*
* In encoder, LZMA_SYNC_FLUSH, LZMA_FULL_FLUSH, or
* LZMA_FINISH was finished. In decoder, this indicates
* that all the data was successfully decoded.
*
* In all cases, when LZMA_STREAM_END is returned, the last
* output bytes should be picked from strm->next_out.
*/
LZMA_NO_CHECK = 2,
/**<
* \brief Input stream has no integrity check
*
* This return value can be returned only if the
* LZMA_TELL_NO_CHECK flag was used when initializing
* the decoder. LZMA_NO_CHECK is just a warning, and
* the decoding can be continued normally.
*
* It is possible to call lzma_get_check() immediately after
* lzma_code has returned LZMA_NO_CHECK. The result will
* naturally be LZMA_CHECK_NONE, but the possibility to call
* lzma_get_check() may be convenient in some applications.
*/
LZMA_UNSUPPORTED_CHECK = 3,
/**<
* \brief Cannot calculate the integrity check
*
* The usage of this return value is different in encoders
* and decoders.
*
* Encoders can return this value only from the initialization
* function. If initialization fails with this value, the
* encoding cannot be done, because there's no way to produce
* output with the correct integrity check.
*
* Decoders can return this value only from lzma_code() and
* only if the LZMA_TELL_UNSUPPORTED_CHECK flag was used when
* initializing the decoder. The decoding can still be
* continued normally even if the check type is unsupported,
* but naturally the check will not be validated, and possible
* errors may go undetected.
*
* With decoder, it is possible to call lzma_get_check()
* immediately after lzma_code() has returned
* LZMA_UNSUPPORTED_CHECK. This way it is possible to find
* out what the unsupported Check ID was.
*/
LZMA_GET_CHECK = 4,
/**<
* \brief Integrity check type is now available
*
* This value can be returned only by the lzma_code() function
* and only if the decoder was initialized with the
* LZMA_TELL_ANY_CHECK flag. LZMA_GET_CHECK tells the
* application that it may now call lzma_get_check() to find
* out the Check ID. This can be used, for example, to
* implement a decoder that accepts only files that have
* strong enough integrity check.
*/
LZMA_MEM_ERROR = 5,
/**<
* \brief Cannot allocate memory
*
* Memory allocation failed, or the size of the allocation
* would be greater than SIZE_MAX.
*
* Due to internal implementation reasons, the coding cannot
* be continued even if more memory were made available after
* LZMA_MEM_ERROR.
*/
LZMA_MEMLIMIT_ERROR = 6,
/**
* \brief Memory usage limit was reached
*
* Decoder would need more memory than allowed by the
* specified memory usage limit. To continue decoding,
* the memory usage limit has to be increased with
* lzma_memlimit_set().
*/
LZMA_FORMAT_ERROR = 7,
/**<
* \brief File format not recognized
*
* The decoder did not recognize the input as supported file
* format. This error can occur, for example, when trying to
* decode .lzma format file with lzma_stream_decoder,
* because lzma_stream_decoder accepts only the .xz format.
*/
LZMA_OPTIONS_ERROR = 8,
/**<
* \brief Invalid or unsupported options
*
* Invalid or unsupported options, for example
* - unsupported filter(s) or filter options; or
* - reserved bits set in headers (decoder only).
*
* Rebuilding liblzma with more features enabled, or
* upgrading to a newer version of liblzma may help.
*/
LZMA_DATA_ERROR = 9,
/**<
* \brief Data is corrupt
*
* The usage of this return value is different in encoders
* and decoders. In both encoder and decoder, the coding
* cannot continue after this error.
*
* Encoders return this if size limits of the target file
* format would be exceeded. These limits are huge, thus
* getting this error from an encoder is mostly theoretical.
* For example, the maximum compressed and uncompressed
* size of a .xz Stream is roughly 8 EiB (2^63 bytes).
*
* Decoders return this error if the input data is corrupt.
* This can mean, for example, invalid CRC32 in headers
* or invalid check of uncompressed data.
*/
LZMA_BUF_ERROR = 10,
/**<
* \brief No progress is possible
*
* This error code is returned when the coder cannot consume
* any new input and produce any new output. The most common
* reason for this error is that the input stream being
* decoded is truncated or corrupt.
*
* This error is not fatal. Coding can be continued normally
* by providing more input and/or more output space, if
* possible.
*
* Typically the first call to lzma_code() that can do no
* progress returns LZMA_OK instead of LZMA_BUF_ERROR. Only
* the second consecutive call doing no progress will return
* LZMA_BUF_ERROR. This is intentional.
*
* With zlib, Z_BUF_ERROR may be returned even if the
* application is doing nothing wrong, so apps will need
* to handle Z_BUF_ERROR specially. The above hack
* guarantees that liblzma never returns LZMA_BUF_ERROR
* to properly written applications unless the input file
* is truncated or corrupt. This should simplify the
* applications a little.
*/
LZMA_PROG_ERROR = 11,
/**<
* \brief Programming error
*
* This indicates that the arguments given to the function are
* invalid or the internal state of the decoder is corrupt.
* - Function arguments are invalid or the structures
* pointed by the argument pointers are invalid
* e.g. if strm->next_out has been set to NULL and
* strm->avail_out > 0 when calling lzma_code().
* - lzma_* functions have been called in wrong order
* e.g. lzma_code() was called right after lzma_end().
* - If errors occur randomly, the reason might be flaky
* hardware.
*
* If you think that your code is correct, this error code
* can be a sign of a bug in liblzma. See the documentation
* how to report bugs.
*/
} lzma_ret;
/**
* \brief The `action' argument for lzma_code()
*
* After the first use of LZMA_SYNC_FLUSH, LZMA_FULL_FLUSH, or LZMA_FINISH,
* the same `action' must is used until lzma_code() returns LZMA_STREAM_END.
* Also, the amount of input (that is, strm->avail_in) must not be modified
* by the application until lzma_code() returns LZMA_STREAM_END. Changing the
* `action' or modifying the amount of input will make lzma_code() return
* LZMA_PROG_ERROR.
*/
typedef enum {
LZMA_RUN = 0,
/**<
* \brief Continue coding
*
* Encoder: Encode as much input as possible. Some internal
* buffering will probably be done (depends on the filter
* chain in use), which causes latency: the input used won't
* usually be decodeable from the output of the same
* lzma_code() call.
*
* Decoder: Decode as much input as possible and produce as
* much output as possible.
*/
LZMA_SYNC_FLUSH = 1,
/**<
* \brief Make all the input available at output
*
* Normally the encoder introduces some latency.
* LZMA_SYNC_FLUSH forces all the buffered data to be
* available at output without resetting the internal
* state of the encoder. This way it is possible to use
* compressed stream for example for communication over
* network.
*
* Only some filters support LZMA_SYNC_FLUSH. Trying to use
* LZMA_SYNC_FLUSH with filters that don't support it will
* make lzma_code() return LZMA_OPTIONS_ERROR. For example,
* LZMA1 doesn't support LZMA_SYNC_FLUSH but LZMA2 does.
*
* Using LZMA_SYNC_FLUSH very often can dramatically reduce
* the compression ratio. With some filters (for example,
* LZMA2), fine-tuning the compression options may help
* mitigate this problem significantly (for example,
* match finder with LZMA2).
*
* Decoders don't support LZMA_SYNC_FLUSH.
*/
LZMA_FULL_FLUSH = 2,
/**<
* \brief Finish encoding of the current Block
*
* All the input data going to the current Block must have
* been given to the encoder (the last bytes can still be
* pending in* next_in). Call lzma_code() with LZMA_FULL_FLUSH
* until it returns LZMA_STREAM_END. Then continue normally
* with LZMA_RUN or finish the Stream with LZMA_FINISH.
*
* This action is currently supported only by Stream encoder
* and easy encoder (which uses Stream encoder). If there is
* no unfinished Block, no empty Block is created.
*/
LZMA_FINISH = 3
/**<
* \brief Finish the coding operation
*
* All the input data must have been given to the encoder
* (the last bytes can still be pending in next_in).
* Call lzma_code() with LZMA_FINISH until it returns
* LZMA_STREAM_END. Once LZMA_FINISH has been used,
* the amount of input must no longer be changed by
* the application.
*
* When decoding, using LZMA_FINISH is optional unless the
* LZMA_CONCATENATED flag was used when the decoder was
* initialized. When LZMA_CONCATENATED was not used, the only
* effect of LZMA_FINISH is that the amount of input must not
* be changed just like in the encoder.
*/
} lzma_action;
/**
* \brief Custom functions for memory handling
*
* A pointer to lzma_allocator may be passed via lzma_stream structure
* to liblzma, and some advanced functions take a pointer to lzma_allocator
* as a separate function argument. The library will use the functions
* specified in lzma_allocator for memory handling instead of the default
* malloc() and free(). C++ users should note that the custom memory
* handling functions must not throw exceptions.
*
* liblzma doesn't make an internal copy of lzma_allocator. Thus, it is
* OK to change these function pointers in the middle of the coding
* process, but obviously it must be done carefully to make sure that the
* replacement `free' can deallocate memory allocated by the earlier
* `alloc' function(s).
*/
typedef struct {
/**
* \brief Pointer to a custom memory allocation function
*
* If you don't want a custom allocator, but still want
* custom free(), set this to NULL and liblzma will use
* the standard malloc().
*
* \param opaque lzma_allocator.opaque (see below)
* \param nmemb Number of elements like in calloc(). liblzma
* will always set nmemb to 1, so it is safe to
* ignore nmemb in a custom allocator if you like.
* The nmemb argument exists only for
* compatibility with zlib and libbzip2.
* \param size Size of an element in bytes.
* liblzma never sets this to zero.
*
* \return Pointer to the beginning of a memory block of
* `size' bytes, or NULL if allocation fails
* for some reason. When allocation fails, functions
* of liblzma return LZMA_MEM_ERROR.
*
* The allocator should not waste time zeroing the allocated buffers.
* This is not only about speed, but also memory usage, since the
* operating system kernel doesn't necessarily allocate the requested
* memory in physical memory until it is actually used. With small
* input files, liblzma may actually need only a fraction of the
* memory that it requested for allocation.
*
* \note LZMA_MEM_ERROR is also used when the size of the
* allocation would be greater than SIZE_MAX. Thus,
* don't assume that the custom allocator must have
* returned NULL if some function from liblzma
* returns LZMA_MEM_ERROR.
*/
void *(LZMA_API_CALL *alloc)(void *opaque, size_t nmemb, size_t size);
/**
* \brief Pointer to a custom memory freeing function
*
* If you don't want a custom freeing function, but still
* want a custom allocator, set this to NULL and liblzma
* will use the standard free().
*
* \param opaque lzma_allocator.opaque (see below)
* \param ptr Pointer returned by lzma_allocator.alloc(),
* or when it is set to NULL, a pointer returned
* by the standard malloc().
*/
void (LZMA_API_CALL *free)(void *opaque, void *ptr);
/**
* \brief Pointer passed to .alloc() and .free()
*
* opaque is passed as the first argument to lzma_allocator.alloc()
* and lzma_allocator.free(). This intended to ease implementing
* custom memory allocation functions for use with liblzma.
*
* If you don't need this, you should set this to NULL.
*/
void *opaque;
} lzma_allocator;
/**
* \brief Internal data structure
*
* The contents of this structure is not visible outside the library.
*/
typedef struct lzma_internal_s lzma_internal;
/**
* \brief Passing data to and from liblzma
*
* The lzma_stream structure is used for
* - passing pointers to input and output buffers to liblzma;
* - defining custom memory hander functions; and
* - holding a pointer to coder-specific internal data structures.
*
* Typical usage:
*
* - After allocating lzma_stream (on stack or with malloc()), it must be
* initialized to LZMA_STREAM_INIT (see LZMA_STREAM_INIT for details).
*
* - Initialize a coder to the lzma_stream, for example by using
* lzma_easy_encoder() or lzma_auto_decoder(). Some notes:
* - In contrast to zlib, strm->next_in and strm->next_out are
* ignored by all initialization functions, thus it is safe
* to not initialize them yet.
* - The initialization functions always set strm->total_in and
* strm->total_out to zero.
* - If the initialization function fails, no memory is left allocated
* that would require freeing with lzma_end() even if some memory was
* associated with the lzma_stream structure when the initialization
* function was called.
*
* - Use lzma_code() to do the actual work.
*
* - Once the coding has been finished, the existing lzma_stream can be
* reused. It is OK to reuse lzma_stream with different initialization
* function without calling lzma_end() first. Old allocations are
* automatically freed.
*
* - Finally, use lzma_end() to free the allocated memory. lzma_end() never
* frees the lzma_stream structure itself.
*
* Application may modify the values of total_in and total_out as it wants.
* They are updated by liblzma to match the amount of data read and
* written, but aren't used for anything else.
*/
typedef struct {
const uint8_t *next_in; /**< Pointer to the next input byte. */
size_t avail_in; /**< Number of available input bytes in next_in. */
uint64_t total_in; /**< Total number of bytes read by liblzma. */
uint8_t *next_out; /**< Pointer to the next output position. */
size_t avail_out; /**< Amount of free space in next_out. */
uint64_t total_out; /**< Total number of bytes written by liblzma. */
/**
* \brief Custom memory allocation functions
*
* In most cases this is NULL which makes liblzma use
* the standard malloc() and free().
*/
lzma_allocator *allocator;
/** Internal state is not visible to applications. */
lzma_internal *internal;
/*
* Reserved space to allow possible future extensions without
* breaking the ABI. Excluding the initialization of this structure,
* you should not touch these, because the names of these variables
* may change.
*/
void *reserved_ptr1;
void *reserved_ptr2;
void *reserved_ptr3;
void *reserved_ptr4;
uint64_t reserved_int1;
uint64_t reserved_int2;
size_t reserved_int3;
size_t reserved_int4;
lzma_reserved_enum reserved_enum1;
lzma_reserved_enum reserved_enum2;
} lzma_stream;
/**
* \brief Initialization for lzma_stream
*
* When you declare an instance of lzma_stream, you can immediately
* initialize it so that initialization functions know that no memory
* has been allocated yet:
*
* lzma_stream strm = LZMA_STREAM_INIT;
*
* If you need to initialize a dynamically allocated lzma_stream, you can use
* memset(strm_pointer, 0, sizeof(lzma_stream)). Strictly speaking, this
* violates the C standard since NULL may have different internal
* representation than zero, but it should be portable enough in practice.
* Anyway, for maximum portability, you can use something like this:
*
* lzma_stream tmp = LZMA_STREAM_INIT;
* *strm = tmp;
*/
#define LZMA_STREAM_INIT \
{ NULL, 0, 0, NULL, 0, 0, NULL, NULL, \
NULL, NULL, NULL, NULL, 0, 0, 0, 0, \
LZMA_RESERVED_ENUM, LZMA_RESERVED_ENUM }
/**
* \brief Encode or decode data
*
* Once the lzma_stream has been successfully initialized (e.g. with
* lzma_stream_encoder()), the actual encoding or decoding is done
* using this function. The application has to update strm->next_in,
* strm->avail_in, strm->next_out, and strm->avail_out to pass input
* to and get output from liblzma.
*
* See the description of the coder-specific initialization function to find
* out what `action' values are supported by the coder.
*/
extern LZMA_API(lzma_ret) lzma_code(lzma_stream *strm, lzma_action action)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Free memory allocated for the coder data structures
*
* \param strm Pointer to lzma_stream that is at least initialized
* with LZMA_STREAM_INIT.
*
* After lzma_end(strm), strm->internal is guaranteed to be NULL. No other
* members of the lzma_stream structure are touched.
*
* \note zlib indicates an error if application end()s unfinished
* stream structure. liblzma doesn't do this, and assumes that
* application knows what it is doing.
*/
extern LZMA_API(void) lzma_end(lzma_stream *strm) lzma_nothrow;
/**
* \brief Get the memory usage of decoder filter chain
*
* This function is currently supported only when *strm has been initialized
* with a function that takes a memlimit argument. With other functions, you
* should use e.g. lzma_raw_encoder_memusage() or lzma_raw_decoder_memusage()
* to estimate the memory requirements.
*
* This function is useful e.g. after LZMA_MEMLIMIT_ERROR to find out how big
* the memory usage limit should have been to decode the input. Note that
* this may give misleading information if decoding .xz Streams that have
* multiple Blocks, because each Block can have different memory requirements.
*
* \return How much memory is currently allocated for the filter
* decoders. If no filter chain is currently allocated,
* some non-zero value is still returned, which is less than
* or equal to what any filter chain would indicate as its
* memory requirement.
*
* If this function isn't supported by *strm or some other error
* occurs, zero is returned.
*/
extern LZMA_API(uint64_t) lzma_memusage(const lzma_stream *strm)
lzma_nothrow lzma_attr_pure;
/**
* \brief Get the current memory usage limit
*
* This function is supported only when *strm has been initialized with
* a function that takes a memlimit argument.
*
* \return On success, the current memory usage limit is returned
* (always non-zero). On error, zero is returned.
*/
extern LZMA_API(uint64_t) lzma_memlimit_get(const lzma_stream *strm)
lzma_nothrow lzma_attr_pure;
/**
* \brief Set the memory usage limit
*
* This function is supported only when *strm has been initialized with
* a function that takes a memlimit argument.
*
* \return - LZMA_OK: New memory usage limit successfully set.
* - LZMA_MEMLIMIT_ERROR: The new limit is too small.
* The limit was not changed.
* - LZMA_PROG_ERROR: Invalid arguments, e.g. *strm doesn't
* support memory usage limit or memlimit was zero.
*/
extern LZMA_API(lzma_ret) lzma_memlimit_set(
lzma_stream *strm, uint64_t memlimit) lzma_nothrow;

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/**
* \file lzma/bcj.h
* \brief Branch/Call/Jump conversion filters
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/* Filter IDs for lzma_filter.id */
#define LZMA_FILTER_X86 LZMA_VLI_C(0x04)
/**<
* Filter for x86 binaries
*/
#define LZMA_FILTER_POWERPC LZMA_VLI_C(0x05)
/**<
* Filter for Big endian PowerPC binaries
*/
#define LZMA_FILTER_IA64 LZMA_VLI_C(0x06)
/**<
* Filter for IA-64 (Itanium) binaries.
*/
#define LZMA_FILTER_ARM LZMA_VLI_C(0x07)
/**<
* Filter for ARM binaries.
*/
#define LZMA_FILTER_ARMTHUMB LZMA_VLI_C(0x08)
/**<
* Filter for ARM-Thumb binaries.
*/
#define LZMA_FILTER_SPARC LZMA_VLI_C(0x09)
/**<
* Filter for SPARC binaries.
*/
/**
* \brief Options for BCJ filters
*
* The BCJ filters never change the size of the data. Specifying options
* for them is optional: if pointer to options is NULL, default value is
* used. You probably never need to specify options to BCJ filters, so just
* set the options pointer to NULL and be happy.
*
* If options with non-default values have been specified when encoding,
* the same options must also be specified when decoding.
*
* \note At the moment, none of the BCJ filters support
* LZMA_SYNC_FLUSH. If LZMA_SYNC_FLUSH is specified,
* LZMA_OPTIONS_ERROR will be returned. If there is need,
* partial support for LZMA_SYNC_FLUSH can be added in future.
* Partial means that flushing would be possible only at
* offsets that are multiple of 2, 4, or 16 depending on
* the filter, except x86 which cannot be made to support
* LZMA_SYNC_FLUSH predictably.
*/
typedef struct {
/**
* \brief Start offset for conversions
*
* This setting is useful only when the same filter is used
* _separately_ for multiple sections of the same executable file,
* and the sections contain cross-section branch/call/jump
* instructions. In that case it is beneficial to set the start
* offset of the non-first sections so that the relative addresses
* of the cross-section branch/call/jump instructions will use the
* same absolute addresses as in the first section.
*
* When the pointer to options is NULL, the default value (zero)
* is used.
*/
uint32_t start_offset;
} lzma_options_bcj;

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/**
* \file lzma/block.h
* \brief .xz Block handling
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Options for the Block and Block Header encoders and decoders
*
* Different Block handling functions use different parts of this structure.
* Some read some members, other functions write, and some do both. Only the
* members listed for reading need to be initialized when the specified
* functions are called. The members marked for writing will be assigned
* new values at some point either by calling the given function or by
* later calls to lzma_code().
*/
typedef struct {
/**
* \brief Block format version
*
* To prevent API and ABI breakages if new features are needed in
* the Block field, a version number is used to indicate which
* fields in this structure are in use. For now, version must always
* be zero. With non-zero version, most Block related functions will
* return LZMA_OPTIONS_ERROR.
*
* Read by:
* - All functions that take pointer to lzma_block as argument,
* including lzma_block_header_decode().
*
* Written by:
* - lzma_block_header_decode()
*/
uint32_t version;
/**
* \brief Size of the Block Header field
*
* This is always a multiple of four.
*
* Read by:
* - lzma_block_header_encode()
* - lzma_block_header_decode()
* - lzma_block_compressed_size()
* - lzma_block_unpadded_size()
* - lzma_block_total_size()
* - lzma_block_decoder()
* - lzma_block_buffer_decode()
*
* Written by:
* - lzma_block_header_size()
* - lzma_block_buffer_encode()
*/
uint32_t header_size;
# define LZMA_BLOCK_HEADER_SIZE_MIN 8
# define LZMA_BLOCK_HEADER_SIZE_MAX 1024
/**
* \brief Type of integrity Check
*
* The Check ID is not stored into the Block Header, thus its value
* must be provided also when decoding.
*
* Read by:
* - lzma_block_header_encode()
* - lzma_block_header_decode()
* - lzma_block_compressed_size()
* - lzma_block_unpadded_size()
* - lzma_block_total_size()
* - lzma_block_encoder()
* - lzma_block_decoder()
* - lzma_block_buffer_encode()
* - lzma_block_buffer_decode()
*/
lzma_check check;
/**
* \brief Size of the Compressed Data in bytes
*
* Encoding: If this is not LZMA_VLI_UNKNOWN, Block Header encoder
* will store this value to the Block Header. Block encoder doesn't
* care about this value, but will set it once the encoding has been
* finished.
*
* Decoding: If this is not LZMA_VLI_UNKNOWN, Block decoder will
* verify that the size of the Compressed Data field matches
* compressed_size.
*
* Usually you don't know this value when encoding in streamed mode,
* and thus cannot write this field into the Block Header.
*
* In non-streamed mode you can reserve space for this field before
* encoding the actual Block. After encoding the data, finish the
* Block by encoding the Block Header. Steps in detail:
*
* - Set compressed_size to some big enough value. If you don't know
* better, use LZMA_VLI_MAX, but remember that bigger values take
* more space in Block Header.
*
* - Call lzma_block_header_size() to see how much space you need to
* reserve for the Block Header.
*
* - Encode the Block using lzma_block_encoder() and lzma_code().
* It sets compressed_size to the correct value.
*
* - Use lzma_block_header_encode() to encode the Block Header.
* Because space was reserved in the first step, you don't need
* to call lzma_block_header_size() anymore, because due to
* reserving, header_size has to be big enough. If it is "too big",
* lzma_block_header_encode() will add enough Header Padding to
* make Block Header to match the size specified by header_size.
*
* Read by:
* - lzma_block_header_size()
* - lzma_block_header_encode()
* - lzma_block_compressed_size()
* - lzma_block_unpadded_size()
* - lzma_block_total_size()
* - lzma_block_decoder()
* - lzma_block_buffer_decode()
*
* Written by:
* - lzma_block_header_decode()
* - lzma_block_compressed_size()
* - lzma_block_encoder()
* - lzma_block_decoder()
* - lzma_block_buffer_encode()
* - lzma_block_buffer_decode()
*/
lzma_vli compressed_size;
/**
* \brief Uncompressed Size in bytes
*
* This is handled very similarly to compressed_size above.
*
* uncompressed_size is needed by fewer functions than
* compressed_size. This is because uncompressed_size isn't
* needed to validate that Block stays within proper limits.
*
* Read by:
* - lzma_block_header_size()
* - lzma_block_header_encode()
* - lzma_block_decoder()
* - lzma_block_buffer_decode()
*
* Written by:
* - lzma_block_header_decode()
* - lzma_block_encoder()
* - lzma_block_decoder()
* - lzma_block_buffer_encode()
* - lzma_block_buffer_decode()
*/
lzma_vli uncompressed_size;
/**
* \brief Array of filters
*
* There can be 1-4 filters. The end of the array is marked with
* .id = LZMA_VLI_UNKNOWN.
*
* Read by:
* - lzma_block_header_size()
* - lzma_block_header_encode()
* - lzma_block_encoder()
* - lzma_block_decoder()
* - lzma_block_buffer_encode()
* - lzma_block_buffer_decode()
*
* Written by:
* - lzma_block_header_decode(): Note that this does NOT free()
* the old filter options structures. All unused filters[] will
* have .id == LZMA_VLI_UNKNOWN and .options == NULL. If
* decoding fails, all filters[] are guaranteed to be
* LZMA_VLI_UNKNOWN and NULL.
*
* \note Because of the array is terminated with
* .id = LZMA_VLI_UNKNOWN, the actual array must
* have LZMA_FILTERS_MAX + 1 members or the Block
* Header decoder will overflow the buffer.
*/
lzma_filter *filters;
/**
* \brief Raw value stored in the Check field
*
* After successful coding, the first lzma_check_size(check) bytes
* of this array contain the raw value stored in the Check field.
*
* Note that CRC32 and CRC64 are stored in little endian byte order.
* Take it into account if you display the Check values to the user.
*
* Written by:
* - lzma_block_encoder()
* - lzma_block_decoder()
* - lzma_block_buffer_encode()
* - lzma_block_buffer_decode()
*/
uint8_t raw_check[LZMA_CHECK_SIZE_MAX];
/*
* Reserved space to allow possible future extensions without
* breaking the ABI. You should not touch these, because the names
* of these variables may change. These are and will never be used
* with the currently supported options, so it is safe to leave these
* uninitialized.
*/
void *reserved_ptr1;
void *reserved_ptr2;
void *reserved_ptr3;
uint32_t reserved_int1;
uint32_t reserved_int2;
lzma_vli reserved_int3;
lzma_vli reserved_int4;
lzma_vli reserved_int5;
lzma_vli reserved_int6;
lzma_vli reserved_int7;
lzma_vli reserved_int8;
lzma_reserved_enum reserved_enum1;
lzma_reserved_enum reserved_enum2;
lzma_reserved_enum reserved_enum3;
lzma_reserved_enum reserved_enum4;
lzma_bool reserved_bool1;
lzma_bool reserved_bool2;
lzma_bool reserved_bool3;
lzma_bool reserved_bool4;
lzma_bool reserved_bool5;
lzma_bool reserved_bool6;
lzma_bool reserved_bool7;
lzma_bool reserved_bool8;
} lzma_block;
/**
* \brief Decode the Block Header Size field
*
* To decode Block Header using lzma_block_header_decode(), the size of the
* Block Header has to be known and stored into lzma_block.header_size.
* The size can be calculated from the first byte of a Block using this macro.
* Note that if the first byte is 0x00, it indicates beginning of Index; use
* this macro only when the byte is not 0x00.
*
* There is no encoding macro, because Block Header encoder is enough for that.
*/
#define lzma_block_header_size_decode(b) (((uint32_t)(b) + 1) * 4)
/**
* \brief Calculate Block Header Size
*
* Calculate the minimum size needed for the Block Header field using the
* settings specified in the lzma_block structure. Note that it is OK to
* increase the calculated header_size value as long as it is a multiple of
* four and doesn't exceed LZMA_BLOCK_HEADER_SIZE_MAX. Increasing header_size
* just means that lzma_block_header_encode() will add Header Padding.
*
* \return - LZMA_OK: Size calculated successfully and stored to
* block->header_size.
* - LZMA_OPTIONS_ERROR: Unsupported version, filters or
* filter options.
* - LZMA_PROG_ERROR: Invalid values like compressed_size == 0.
*
* \note This doesn't check that all the options are valid i.e. this
* may return LZMA_OK even if lzma_block_header_encode() or
* lzma_block_encoder() would fail. If you want to validate the
* filter chain, consider using lzma_memlimit_encoder() which as
* a side-effect validates the filter chain.
*/
extern LZMA_API(lzma_ret) lzma_block_header_size(lzma_block *block)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Encode Block Header
*
* The caller must have calculated the size of the Block Header already with
* lzma_block_header_size(). If a value larger than the one calculated by
* lzma_block_header_size() is used, the Block Header will be padded to the
* specified size.
*
* \param out Beginning of the output buffer. This must be
* at least block->header_size bytes.
* \param block Block options to be encoded.
*
* \return - LZMA_OK: Encoding was successful. block->header_size
* bytes were written to output buffer.
* - LZMA_OPTIONS_ERROR: Invalid or unsupported options.
* - LZMA_PROG_ERROR: Invalid arguments, for example
* block->header_size is invalid or block->filters is NULL.
*/
extern LZMA_API(lzma_ret) lzma_block_header_encode(
const lzma_block *block, uint8_t *out)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Decode Block Header
*
* block->version should be set to the highest value supported by the
* application; currently the only possible version is zero. This function
* will set version to the lowest value that still supports all the features
* required by the Block Header.
*
* The size of the Block Header must have already been decoded with
* lzma_block_header_size_decode() macro and stored to block->header_size.
*
* block->filters must have been allocated, but they don't need to be
* initialized (possible existing filter options are not freed).
*
* \param block Destination for Block options.
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() (and also free()
* if an error occurs).
* \param in Beginning of the input buffer. This must be
* at least block->header_size bytes.
*
* \return - LZMA_OK: Decoding was successful. block->header_size
* bytes were read from the input buffer.
* - LZMA_OPTIONS_ERROR: The Block Header specifies some
* unsupported options such as unsupported filters. This can
* happen also if block->version was set to a too low value
* compared to what would be required to properly represent
* the information stored in the Block Header.
* - LZMA_DATA_ERROR: Block Header is corrupt, for example,
* the CRC32 doesn't match.
* - LZMA_PROG_ERROR: Invalid arguments, for example
* block->header_size is invalid or block->filters is NULL.
*/
extern LZMA_API(lzma_ret) lzma_block_header_decode(lzma_block *block,
lzma_allocator *allocator, const uint8_t *in)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Validate and set Compressed Size according to Unpadded Size
*
* Block Header stores Compressed Size, but Index has Unpadded Size. If the
* application has already parsed the Index and is now decoding Blocks,
* it can calculate Compressed Size from Unpadded Size. This function does
* exactly that with error checking:
*
* - Compressed Size calculated from Unpadded Size must be positive integer,
* that is, Unpadded Size must be big enough that after Block Header and
* Check fields there's still at least one byte for Compressed Size.
*
* - If Compressed Size was present in Block Header, the new value
* calculated from Unpadded Size is compared against the value
* from Block Header.
*
* \note This function must be called _after_ decoding the Block Header
* field so that it can properly validate Compressed Size if it
* was present in Block Header.
*
* \return - LZMA_OK: block->compressed_size was set successfully.
* - LZMA_DATA_ERROR: unpadded_size is too small compared to
* block->header_size and lzma_check_size(block->check).
* - LZMA_PROG_ERROR: Some values are invalid. For example,
* block->header_size must be a multiple of four and
* between 8 and 1024 inclusive.
*/
extern LZMA_API(lzma_ret) lzma_block_compressed_size(
lzma_block *block, lzma_vli unpadded_size)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Calculate Unpadded Size
*
* The Index field stores Unpadded Size and Uncompressed Size. The latter
* can be taken directly from the lzma_block structure after coding a Block,
* but Unpadded Size needs to be calculated from Block Header Size,
* Compressed Size, and size of the Check field. This is where this function
* is needed.
*
* \return Unpadded Size on success, or zero on error.
*/
extern LZMA_API(lzma_vli) lzma_block_unpadded_size(const lzma_block *block)
lzma_nothrow lzma_attr_pure;
/**
* \brief Calculate the total encoded size of a Block
*
* This is equivalent to lzma_block_unpadded_size() except that the returned
* value includes the size of the Block Padding field.
*
* \return On success, total encoded size of the Block. On error,
* zero is returned.
*/
extern LZMA_API(lzma_vli) lzma_block_total_size(const lzma_block *block)
lzma_nothrow lzma_attr_pure;
/**
* \brief Initialize .xz Block encoder
*
* Valid actions for lzma_code() are LZMA_RUN, LZMA_SYNC_FLUSH (only if the
* filter chain supports it), and LZMA_FINISH.
*
* \return - LZMA_OK: All good, continue with lzma_code().
* - LZMA_MEM_ERROR
* - LZMA_OPTIONS_ERROR
* - LZMA_UNSUPPORTED_CHECK: block->check specifies a Check ID
* that is not supported by this buid of liblzma. Initializing
* the encoder failed.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_block_encoder(
lzma_stream *strm, lzma_block *block)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Initialize .xz Block decoder
*
* Valid actions for lzma_code() are LZMA_RUN and LZMA_FINISH. Using
* LZMA_FINISH is not required. It is supported only for convenience.
*
* \return - LZMA_OK: All good, continue with lzma_code().
* - LZMA_UNSUPPORTED_CHECK: Initialization was successful, but
* the given Check ID is not supported, thus Check will be
* ignored.
* - LZMA_PROG_ERROR
* - LZMA_MEM_ERROR
*/
extern LZMA_API(lzma_ret) lzma_block_decoder(
lzma_stream *strm, lzma_block *block)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Calculate maximum output size for single-call Block encoding
*
* This is equivalent to lzma_stream_buffer_bound() but for .xz Blocks.
* See the documentation of lzma_stream_buffer_bound().
*/
extern LZMA_API(size_t) lzma_block_buffer_bound(size_t uncompressed_size)
lzma_nothrow;
/**
* \brief Single-call .xz Block encoder
*
* In contrast to the multi-call encoder initialized with
* lzma_block_encoder(), this function encodes also the Block Header. This
* is required to make it possible to write appropriate Block Header also
* in case the data isn't compressible, and different filter chain has to be
* used to encode the data in uncompressed form using uncompressed chunks
* of the LZMA2 filter.
*
* When the data isn't compressible, header_size, compressed_size, and
* uncompressed_size are set just like when the data was compressible, but
* it is possible that header_size is too small to hold the filter chain
* specified in block->filters, because that isn't necessarily the filter
* chain that was actually used to encode the data. lzma_block_unpadded_size()
* still works normally, because it doesn't read the filters array.
*
* \param block Block options: block->version, block->check,
* and block->filters must have been initialized.
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() and free().
* \param in Beginning of the input buffer
* \param in_size Size of the input buffer
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if encoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_BUF_ERROR: Not enough output buffer space.
* - LZMA_OPTIONS_ERROR
* - LZMA_MEM_ERROR
* - LZMA_DATA_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_block_buffer_encode(
lzma_block *block, lzma_allocator *allocator,
const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Single-call .xz Block decoder
*
* This is single-call equivalent of lzma_block_decoder(), and requires that
* the caller has already decoded Block Header and checked its memory usage.
*
* \param block Block options just like with lzma_block_decoder().
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() and free().
* \param in Beginning of the input buffer
* \param in_pos The next byte will be read from in[*in_pos].
* *in_pos is updated only if decoding succeeds.
* \param in_size Size of the input buffer; the first byte that
* won't be read is in[in_size].
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if encoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return - LZMA_OK: Decoding was successful.
* - LZMA_OPTIONS_ERROR
* - LZMA_DATA_ERROR
* - LZMA_MEM_ERROR
* - LZMA_BUF_ERROR: Output buffer was too small.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_block_buffer_decode(
lzma_block *block, lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
lzma_nothrow;

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/**
* \file lzma/check.h
* \brief Integrity checks
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Type of the integrity check (Check ID)
*
* The .xz format supports multiple types of checks that are calculated
* from the uncompressed data. They vary in both speed and ability to
* detect errors.
*/
typedef enum {
LZMA_CHECK_NONE = 0,
/**<
* No Check is calculated.
*
* Size of the Check field: 0 bytes
*/
LZMA_CHECK_CRC32 = 1,
/**<
* CRC32 using the polynomial from the IEEE 802.3 standard
*
* Size of the Check field: 4 bytes
*/
LZMA_CHECK_CRC64 = 4,
/**<
* CRC64 using the polynomial from the ECMA-182 standard
*
* Size of the Check field: 8 bytes
*/
LZMA_CHECK_SHA256 = 10
/**<
* SHA-256
*
* Size of the Check field: 32 bytes
*/
} lzma_check;
/**
* \brief Maximum valid Check ID
*
* The .xz file format specification specifies 16 Check IDs (0-15). Some
* of them are only reserved, that is, no actual Check algorithm has been
* assigned. When decoding, liblzma still accepts unknown Check IDs for
* future compatibility. If a valid but unsupported Check ID is detected,
* liblzma can indicate a warning; see the flags LZMA_TELL_NO_CHECK,
* LZMA_TELL_UNSUPPORTED_CHECK, and LZMA_TELL_ANY_CHECK in container.h.
*/
#define LZMA_CHECK_ID_MAX 15
/**
* \brief Test if the given Check ID is supported
*
* Return true if the given Check ID is supported by this liblzma build.
* Otherwise false is returned. It is safe to call this with a value that
* is not in the range [0, 15]; in that case the return value is always false.
*
* You can assume that LZMA_CHECK_NONE and LZMA_CHECK_CRC32 are always
* supported (even if liblzma is built with limited features).
*/
extern LZMA_API(lzma_bool) lzma_check_is_supported(lzma_check check)
lzma_nothrow lzma_attr_const;
/**
* \brief Get the size of the Check field with the given Check ID
*
* Although not all Check IDs have a check algorithm associated, the size of
* every Check is already frozen. This function returns the size (in bytes) of
* the Check field with the specified Check ID. The values are:
* { 0, 4, 4, 4, 8, 8, 8, 16, 16, 16, 32, 32, 32, 64, 64, 64 }
*
* If the argument is not in the range [0, 15], UINT32_MAX is returned.
*/
extern LZMA_API(uint32_t) lzma_check_size(lzma_check check)
lzma_nothrow lzma_attr_const;
/**
* \brief Maximum size of a Check field
*/
#define LZMA_CHECK_SIZE_MAX 64
/**
* \brief Calculate CRC32
*
* Calculate CRC32 using the polynomial from the IEEE 802.3 standard.
*
* \param buf Pointer to the input buffer
* \param size Size of the input buffer
* \param crc Previously returned CRC value. This is used to
* calculate the CRC of a big buffer in smaller chunks.
* Set to zero when starting a new calculation.
*
* \return Updated CRC value, which can be passed to this function
* again to continue CRC calculation.
*/
extern LZMA_API(uint32_t) lzma_crc32(
const uint8_t *buf, size_t size, uint32_t crc)
lzma_nothrow lzma_attr_pure;
/**
* \brief Calculate CRC64
*
* Calculate CRC64 using the polynomial from the ECMA-182 standard.
*
* This function is used similarly to lzma_crc32(). See its documentation.
*/
extern LZMA_API(uint64_t) lzma_crc64(
const uint8_t *buf, size_t size, uint64_t crc)
lzma_nothrow lzma_attr_pure;
/*
* SHA-256 functions are currently not exported to public API.
* Contact Lasse Collin if you think it should be.
*/
/**
* \brief Get the type of the integrity check
*
* This function can be called only immediately after lzma_code() has
* returned LZMA_NO_CHECK, LZMA_UNSUPPORTED_CHECK, or LZMA_GET_CHECK.
* Calling this function in any other situation has undefined behavior.
*/
extern LZMA_API(lzma_check) lzma_get_check(const lzma_stream *strm)
lzma_nothrow;

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/**
* \file lzma/container.h
* \brief File formats
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/************
* Encoding *
************/
/**
* \brief Default compression preset
*
* It's not straightforward to recommend a default preset, because in some
* cases keeping the resource usage relatively low is more important that
* getting the maximum compression ratio.
*/
#define LZMA_PRESET_DEFAULT UINT32_C(6)
/**
* \brief Mask for preset level
*
* This is useful only if you need to extract the level from the preset
* variable. That should be rare.
*/
#define LZMA_PRESET_LEVEL_MASK UINT32_C(0x1F)
/*
* Preset flags
*
* Currently only one flag is defined.
*/
/**
* \brief Extreme compression preset
*
* This flag modifies the preset to make the encoding significantly slower
* while improving the compression ratio only marginally. This is useful
* when you don't mind wasting time to get as small result as possible.
*
* This flag doesn't affect the memory usage requirements of the decoder (at
* least not significantly). The memory usage of the encoder may be increased
* a little but only at the lowest preset levels (0-3).
*/
#define LZMA_PRESET_EXTREME (UINT32_C(1) << 31)
/**
* \brief Calculate approximate memory usage of easy encoder
*
* This function is a wrapper for lzma_raw_encoder_memusage().
*
* \param preset Compression preset (level and possible flags)
*/
extern LZMA_API(uint64_t) lzma_easy_encoder_memusage(uint32_t preset)
lzma_nothrow lzma_attr_pure;
/**
* \brief Calculate approximate decoder memory usage of a preset
*
* This function is a wrapper for lzma_raw_decoder_memusage().
*
* \param preset Compression preset (level and possible flags)
*/
extern LZMA_API(uint64_t) lzma_easy_decoder_memusage(uint32_t preset)
lzma_nothrow lzma_attr_pure;
/**
* \brief Initialize .xz Stream encoder using a preset number
*
* This function is intended for those who just want to use the basic features
* if liblzma (that is, most developers out there).
*
* \param strm Pointer to lzma_stream that is at least initialized
* with LZMA_STREAM_INIT.
* \param preset Compression preset to use. A preset consist of level
* number and zero or more flags. Usually flags aren't
* used, so preset is simply a number [0, 9] which match
* the options -0 ... -9 of the xz command line tool.
* Additional flags can be be set using bitwise-or with
* the preset level number, e.g. 6 | LZMA_PRESET_EXTREME.
* \param check Integrity check type to use. See check.h for available
* checks. The xz command line tool defaults to
* LZMA_CHECK_CRC64, which is a good choice if you are
* unsure. LZMA_CHECK_CRC32 is good too as long as the
* uncompressed file is not many gigabytes.
*
* \return - LZMA_OK: Initialization succeeded. Use lzma_code() to
* encode your data.
* - LZMA_MEM_ERROR: Memory allocation failed.
* - LZMA_OPTIONS_ERROR: The given compression preset is not
* supported by this build of liblzma.
* - LZMA_UNSUPPORTED_CHECK: The given check type is not
* supported by this liblzma build.
* - LZMA_PROG_ERROR: One or more of the parameters have values
* that will never be valid. For example, strm == NULL.
*
* If initialization fails (return value is not LZMA_OK), all the memory
* allocated for *strm by liblzma is always freed. Thus, there is no need
* to call lzma_end() after failed initialization.
*
* If initialization succeeds, use lzma_code() to do the actual encoding.
* Valid values for `action' (the second argument of lzma_code()) are
* LZMA_RUN, LZMA_SYNC_FLUSH, LZMA_FULL_FLUSH, and LZMA_FINISH. In future,
* there may be compression levels or flags that don't support LZMA_SYNC_FLUSH.
*/
extern LZMA_API(lzma_ret) lzma_easy_encoder(
lzma_stream *strm, uint32_t preset, lzma_check check)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Single-call .xz Stream encoding using a preset number
*
* The maximum required output buffer size can be calculated with
* lzma_stream_buffer_bound().
*
* \param preset Compression preset to use. See the description
* in lzma_easy_encoder().
* \param check Type of the integrity check to calculate from
* uncompressed data.
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() and free().
* \param in Beginning of the input buffer
* \param in_size Size of the input buffer
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if encoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_BUF_ERROR: Not enough output buffer space.
* - LZMA_OPTIONS_ERROR
* - LZMA_MEM_ERROR
* - LZMA_DATA_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_easy_buffer_encode(
uint32_t preset, lzma_check check,
lzma_allocator *allocator, const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow;
/**
* \brief Initialize .xz Stream encoder using a custom filter chain
*
* \param strm Pointer to properly prepared lzma_stream
* \param filters Array of filters. This must be terminated with
* filters[n].id = LZMA_VLI_UNKNOWN. See filter.h for
* more information.
* \param check Type of the integrity check to calculate from
* uncompressed data.
*
* \return - LZMA_OK: Initialization was successful.
* - LZMA_MEM_ERROR
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_stream_encoder(lzma_stream *strm,
const lzma_filter *filters, lzma_check check)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Initialize .lzma encoder (legacy file format)
*
* The .lzma format is sometimes called the LZMA_Alone format, which is the
* reason for the name of this function. The .lzma format supports only the
* LZMA1 filter. There is no support for integrity checks like CRC32.
*
* Use this function if and only if you need to create files readable by
* legacy LZMA tools such as LZMA Utils 4.32.x. Moving to the .xz format
* is strongly recommended.
*
* The valid action values for lzma_code() are LZMA_RUN and LZMA_FINISH.
* No kind of flushing is supported, because the file format doesn't make
* it possible.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_alone_encoder(
lzma_stream *strm, const lzma_options_lzma *options)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Calculate output buffer size for single-call Stream encoder
*
* When trying to compress uncompressible data, the encoded size will be
* slightly bigger than the input data. This function calculates how much
* output buffer space is required to be sure that lzma_stream_buffer_encode()
* doesn't return LZMA_BUF_ERROR.
*
* The calculated value is not exact, but it is guaranteed to be big enough.
* The actual maximum output space required may be slightly smaller (up to
* about 100 bytes). This should not be a problem in practice.
*
* If the calculated maximum size doesn't fit into size_t or would make the
* Stream grow past LZMA_VLI_MAX (which should never happen in practice),
* zero is returned to indicate the error.
*
* \note The limit calculated by this function applies only to
* single-call encoding. Multi-call encoding may (and probably
* will) have larger maximum expansion when encoding
* uncompressible data. Currently there is no function to
* calculate the maximum expansion of multi-call encoding.
*/
extern LZMA_API(size_t) lzma_stream_buffer_bound(size_t uncompressed_size)
lzma_nothrow;
/**
* \brief Single-call .xz Stream encoder
*
* \param filters Array of filters. This must be terminated with
* filters[n].id = LZMA_VLI_UNKNOWN. See filter.h
* for more information.
* \param check Type of the integrity check to calculate from
* uncompressed data.
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() and free().
* \param in Beginning of the input buffer
* \param in_size Size of the input buffer
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if encoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_BUF_ERROR: Not enough output buffer space.
* - LZMA_OPTIONS_ERROR
* - LZMA_MEM_ERROR
* - LZMA_DATA_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_stream_buffer_encode(
lzma_filter *filters, lzma_check check,
lzma_allocator *allocator, const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
lzma_nothrow lzma_attr_warn_unused_result;
/************
* Decoding *
************/
/**
* This flag makes lzma_code() return LZMA_NO_CHECK if the input stream
* being decoded has no integrity check. Note that when used with
* lzma_auto_decoder(), all .lzma files will trigger LZMA_NO_CHECK
* if LZMA_TELL_NO_CHECK is used.
*/
#define LZMA_TELL_NO_CHECK UINT32_C(0x01)
/**
* This flag makes lzma_code() return LZMA_UNSUPPORTED_CHECK if the input
* stream has an integrity check, but the type of the integrity check is not
* supported by this liblzma version or build. Such files can still be
* decoded, but the integrity check cannot be verified.
*/
#define LZMA_TELL_UNSUPPORTED_CHECK UINT32_C(0x02)
/**
* This flag makes lzma_code() return LZMA_GET_CHECK as soon as the type
* of the integrity check is known. The type can then be got with
* lzma_get_check().
*/
#define LZMA_TELL_ANY_CHECK UINT32_C(0x04)
/**
* This flag enables decoding of concatenated files with file formats that
* allow concatenating compressed files as is. From the formats currently
* supported by liblzma, only the .xz format allows concatenated files.
* Concatenated files are not allowed with the legacy .lzma format.
*
* This flag also affects the usage of the `action' argument for lzma_code().
* When LZMA_CONCATENATED is used, lzma_code() won't return LZMA_STREAM_END
* unless LZMA_FINISH is used as `action'. Thus, the application has to set
* LZMA_FINISH in the same way as it does when encoding.
*
* If LZMA_CONCATENATED is not used, the decoders still accept LZMA_FINISH
* as `action' for lzma_code(), but the usage of LZMA_FINISH isn't required.
*/
#define LZMA_CONCATENATED UINT32_C(0x08)
/**
* \brief Initialize .xz Stream decoder
*
* \param strm Pointer to properly prepared lzma_stream
* \param memlimit Memory usage limit as bytes. Use UINT64_MAX
* to effectively disable the limiter.
* \param flags Bitwise-or of zero or more of the decoder flags:
* LZMA_TELL_NO_CHECK, LZMA_TELL_UNSUPPORTED_CHECK,
* LZMA_TELL_ANY_CHECK, LZMA_CONCATENATED
*
* \return - LZMA_OK: Initialization was successful.
* - LZMA_MEM_ERROR: Cannot allocate memory.
* - LZMA_OPTIONS_ERROR: Unsupported flags
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_stream_decoder(
lzma_stream *strm, uint64_t memlimit, uint32_t flags)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Decode .xz Streams and .lzma files with autodetection
*
* This decoder autodetects between the .xz and .lzma file formats, and
* calls lzma_stream_decoder() or lzma_alone_decoder() once the type
* of the input file has been detected.
*
* \param strm Pointer to properly prepared lzma_stream
* \param memlimit Memory usage limit as bytes. Use UINT64_MAX
* to effectively disable the limiter.
* \param flags Bitwise-or of flags, or zero for no flags.
*
* \return - LZMA_OK: Initialization was successful.
* - LZMA_MEM_ERROR: Cannot allocate memory.
* - LZMA_OPTIONS_ERROR: Unsupported flags
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_auto_decoder(
lzma_stream *strm, uint64_t memlimit, uint32_t flags)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Initialize .lzma decoder (legacy file format)
*
* Valid `action' arguments to lzma_code() are LZMA_RUN and LZMA_FINISH.
* There is no need to use LZMA_FINISH, but allowing it may simplify
* certain types of applications.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_alone_decoder(
lzma_stream *strm, uint64_t memlimit)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Single-call .xz Stream decoder
*
* \param memlimit Pointer to how much memory the decoder is allowed
* to allocate. The value pointed by this pointer is
* modified if and only if LZMA_MEMLIMIT_ERROR is
* returned.
* \param flags Bitwise-or of zero or more of the decoder flags:
* LZMA_TELL_NO_CHECK, LZMA_TELL_UNSUPPORTED_CHECK,
* LZMA_CONCATENATED. Note that LZMA_TELL_ANY_CHECK
* is not allowed and will return LZMA_PROG_ERROR.
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() and free().
* \param in Beginning of the input buffer
* \param in_pos The next byte will be read from in[*in_pos].
* *in_pos is updated only if decoding succeeds.
* \param in_size Size of the input buffer; the first byte that
* won't be read is in[in_size].
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if decoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return - LZMA_OK: Decoding was successful.
* - LZMA_FORMAT_ERROR
* - LZMA_OPTIONS_ERROR
* - LZMA_DATA_ERROR
* - LZMA_NO_CHECK: This can be returned only if using
* the LZMA_TELL_NO_CHECK flag.
* - LZMA_UNSUPPORTED_CHECK: This can be returned only if using
* the LZMA_TELL_UNSUPPORTED_CHECK flag.
* - LZMA_MEM_ERROR
* - LZMA_MEMLIMIT_ERROR: Memory usage limit was reached.
* The minimum required memlimit value was stored to *memlimit.
* - LZMA_BUF_ERROR: Output buffer was too small.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_stream_buffer_decode(
uint64_t *memlimit, uint32_t flags, lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
lzma_nothrow lzma_attr_warn_unused_result;

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/**
* \file lzma/delta.h
* \brief Delta filter
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Filter ID
*
* Filter ID of the Delta filter. This is used as lzma_filter.id.
*/
#define LZMA_FILTER_DELTA LZMA_VLI_C(0x03)
/**
* \brief Type of the delta calculation
*
* Currently only byte-wise delta is supported. Other possible types could
* be, for example, delta of 16/32/64-bit little/big endian integers, but
* these are not currently planned since byte-wise delta is almost as good.
*/
typedef enum {
LZMA_DELTA_TYPE_BYTE
} lzma_delta_type;
/**
* \brief Options for the Delta filter
*
* These options are needed by both encoder and decoder.
*/
typedef struct {
/** For now, this must always be LZMA_DELTA_TYPE_BYTE. */
lzma_delta_type type;
/**
* \brief Delta distance
*
* With the only currently supported type, LZMA_DELTA_TYPE_BYTE,
* the distance is as bytes.
*
* Examples:
* - 16-bit stereo audio: distance = 4 bytes
* - 24-bit RGB image data: distance = 3 bytes
*/
uint32_t dist;
# define LZMA_DELTA_DIST_MIN 1
# define LZMA_DELTA_DIST_MAX 256
/*
* Reserved space to allow possible future extensions without
* breaking the ABI. You should not touch these, because the names
* of these variables may change. These are and will never be used
* when type is LZMA_DELTA_TYPE_BYTE, so it is safe to leave these
* uninitialized.
*/
uint32_t reserved_int1;
uint32_t reserved_int2;
uint32_t reserved_int3;
uint32_t reserved_int4;
void *reserved_ptr1;
void *reserved_ptr2;
} lzma_options_delta;

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/**
* \file lzma/filter.h
* \brief Common filter related types and functions
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Maximum number of filters in a chain
*
* A filter chain can have 1-4 filters, of which three are allowed to change
* the size of the data. Usually only one or two filters are needed.
*/
#define LZMA_FILTERS_MAX 4
/**
* \brief Filter options
*
* This structure is used to pass Filter ID and a pointer filter's
* options to liblzma. A few functions work with a single lzma_filter
* structure, while most functions expect a filter chain.
*
* A filter chain is indicated with an array of lzma_filter structures.
* The array is terminated with .id = LZMA_VLI_UNKNOWN. Thus, the filter
* array must have LZMA_FILTERS_MAX + 1 elements (that is, five) to
* be able to hold any arbitrary filter chain. This is important when
* using lzma_block_header_decode() from block.h, because too small
* array would make liblzma write past the end of the filters array.
*/
typedef struct {
/**
* \brief Filter ID
*
* Use constants whose name begin with `LZMA_FILTER_' to specify
* different filters. In an array of lzma_filter structures, use
* LZMA_VLI_UNKNOWN to indicate end of filters.
*
* \note This is not an enum, because on some systems enums
* cannot be 64-bit.
*/
lzma_vli id;
/**
* \brief Pointer to filter-specific options structure
*
* If the filter doesn't need options, set this to NULL. If id is
* set to LZMA_VLI_UNKNOWN, options is ignored, and thus
* doesn't need be initialized.
*/
void *options;
} lzma_filter;
/**
* \brief Test if the given Filter ID is supported for encoding
*
* Return true if the give Filter ID is supported for encoding by this
* liblzma build. Otherwise false is returned.
*
* There is no way to list which filters are available in this particular
* liblzma version and build. It would be useless, because the application
* couldn't know what kind of options the filter would need.
*/
extern LZMA_API(lzma_bool) lzma_filter_encoder_is_supported(lzma_vli id)
lzma_nothrow lzma_attr_const;
/**
* \brief Test if the given Filter ID is supported for decoding
*
* Return true if the give Filter ID is supported for decoding by this
* liblzma build. Otherwise false is returned.
*/
extern LZMA_API(lzma_bool) lzma_filter_decoder_is_supported(lzma_vli id)
lzma_nothrow lzma_attr_const;
/**
* \brief Copy the filters array
*
* Copy the Filter IDs and filter-specific options from src to dest.
* Up to LZMA_FILTERS_MAX filters are copied, plus the terminating
* .id == LZMA_VLI_UNKNOWN. Thus, dest should have at least
* LZMA_FILTERS_MAX + 1 elements space unless the caller knows that
* src is smaller than that.
*
* Unless the filter-specific options is NULL, the Filter ID has to be
* supported by liblzma, because liblzma needs to know the size of every
* filter-specific options structure. The filter-specific options are not
* validated. If options is NULL, any unsupported Filter IDs are copied
* without returning an error.
*
* Old filter-specific options in dest are not freed, so dest doesn't
* need to be initialized by the caller in any way.
*
* If an error occurs, memory possibly already allocated by this function
* is always freed.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_OPTIONS_ERROR: Unsupported Filter ID and its options
* is not NULL.
* - LZMA_PROG_ERROR: src or dest is NULL.
*/
extern LZMA_API(lzma_ret) lzma_filters_copy(const lzma_filter *src,
lzma_filter *dest, lzma_allocator *allocator) lzma_nothrow;
/**
* \brief Calculate approximate memory requirements for raw encoder
*
* This function can be used to calculate the memory requirements for
* Block and Stream encoders too because Block and Stream encoders don't
* need significantly more memory than raw encoder.
*
* \param filters Array of filters terminated with
* .id == LZMA_VLI_UNKNOWN.
*
* \return Number of bytes of memory required for the given
* filter chain when encoding.
*/
extern LZMA_API(uint64_t) lzma_raw_encoder_memusage(const lzma_filter *filters)
lzma_nothrow lzma_attr_pure;
/**
* \brief Calculate approximate memory requirements for raw decoder
*
* This function can be used to calculate the memory requirements for
* Block and Stream decoders too because Block and Stream decoders don't
* need significantly more memory than raw decoder.
*
* \param filters Array of filters terminated with
* .id == LZMA_VLI_UNKNOWN.
*
* \return Number of bytes of memory required for the given
* filter chain when decoding.
*/
extern LZMA_API(uint64_t) lzma_raw_decoder_memusage(const lzma_filter *filters)
lzma_nothrow lzma_attr_pure;
/**
* \brief Initialize raw encoder
*
* This function may be useful when implementing custom file formats.
*
* \param strm Pointer to properly prepared lzma_stream
* \param filters Array of lzma_filter structures. The end of the
* array must be marked with .id = LZMA_VLI_UNKNOWN.
*
* The `action' with lzma_code() can be LZMA_RUN, LZMA_SYNC_FLUSH (if the
* filter chain supports it), or LZMA_FINISH.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_raw_encoder(
lzma_stream *strm, const lzma_filter *filters)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Initialize raw decoder
*
* The initialization of raw decoder goes similarly to raw encoder.
*
* The `action' with lzma_code() can be LZMA_RUN or LZMA_FINISH. Using
* LZMA_FINISH is not required, it is supported just for convenience.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_raw_decoder(
lzma_stream *strm, const lzma_filter *filters)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Update the filter chain in the encoder
*
* This function is for advanced users only. This function has two slightly
* different purposes:
*
* - After LZMA_FULL_FLUSH when using Stream encoder: Set a new filter
* chain, which will be used starting from the next Block.
*
* - After LZMA_SYNC_FLUSH using Raw, Block, or Stream encoder: Change
* the filter-specific options in the middle of encoding. The actual
* filters in the chain (Filter IDs) cannot be changed. In the future,
* it might become possible to change the filter options without
* using LZMA_SYNC_FLUSH.
*
* While rarely useful, this function may be called also when no data has
* been compressed yet. In that case, this function will behave as if
* LZMA_FULL_FLUSH (Stream encoder) or LZMA_SYNC_FLUSH (Raw or Block
* encoder) had been used right before calling this function.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_MEMLIMIT_ERROR
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_filters_update(
lzma_stream *strm, const lzma_filter *filters) lzma_nothrow;
/**
* \brief Single-call raw encoder
*
* \param filters Array of lzma_filter structures. The end of the
* array must be marked with .id = LZMA_VLI_UNKNOWN.
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() and free().
* \param in Beginning of the input buffer
* \param in_size Size of the input buffer
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if encoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_BUF_ERROR: Not enough output buffer space.
* - LZMA_OPTIONS_ERROR
* - LZMA_MEM_ERROR
* - LZMA_DATA_ERROR
* - LZMA_PROG_ERROR
*
* \note There is no function to calculate how big output buffer
* would surely be big enough. (lzma_stream_buffer_bound()
* works only for lzma_stream_buffer_encode(); raw encoder
* won't necessarily meet that bound.)
*/
extern LZMA_API(lzma_ret) lzma_raw_buffer_encode(
const lzma_filter *filters, lzma_allocator *allocator,
const uint8_t *in, size_t in_size, uint8_t *out,
size_t *out_pos, size_t out_size) lzma_nothrow;
/**
* \brief Single-call raw decoder
*
* \param filters Array of lzma_filter structures. The end of the
* array must be marked with .id = LZMA_VLI_UNKNOWN.
* \param allocator lzma_allocator for custom allocator functions.
* Set to NULL to use malloc() and free().
* \param in Beginning of the input buffer
* \param in_pos The next byte will be read from in[*in_pos].
* *in_pos is updated only if decoding succeeds.
* \param in_size Size of the input buffer; the first byte that
* won't be read is in[in_size].
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if encoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*/
extern LZMA_API(lzma_ret) lzma_raw_buffer_decode(
const lzma_filter *filters, lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow;
/**
* \brief Get the size of the Filter Properties field
*
* This function may be useful when implementing custom file formats
* using the raw encoder and decoder.
*
* \param size Pointer to uint32_t to hold the size of the properties
* \param filter Filter ID and options (the size of the properties may
* vary depending on the options)
*
* \return - LZMA_OK
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*
* \note This function validates the Filter ID, but does not
* necessarily validate the options. Thus, it is possible
* that this returns LZMA_OK while the following call to
* lzma_properties_encode() returns LZMA_OPTIONS_ERROR.
*/
extern LZMA_API(lzma_ret) lzma_properties_size(
uint32_t *size, const lzma_filter *filter) lzma_nothrow;
/**
* \brief Encode the Filter Properties field
*
* \param filter Filter ID and options
* \param props Buffer to hold the encoded options. The size of
* buffer must have been already determined with
* lzma_properties_size().
*
* \return - LZMA_OK
* - LZMA_OPTIONS_ERROR
* - LZMA_PROG_ERROR
*
* \note Even this function won't validate more options than actually
* necessary. Thus, it is possible that encoding the properties
* succeeds but using the same options to initialize the encoder
* will fail.
*
* \note If lzma_properties_size() indicated that the size
* of the Filter Properties field is zero, calling
* lzma_properties_encode() is not required, but it
* won't do any harm either.
*/
extern LZMA_API(lzma_ret) lzma_properties_encode(
const lzma_filter *filter, uint8_t *props) lzma_nothrow;
/**
* \brief Decode the Filter Properties field
*
* \param filter filter->id must have been set to the correct
* Filter ID. filter->options doesn't need to be
* initialized (it's not freed by this function). The
* decoded options will be stored to filter->options.
* filter->options is set to NULL if there are no
* properties or if an error occurs.
* \param allocator Custom memory allocator used to allocate the
* options. Set to NULL to use the default malloc(),
* and in case of an error, also free().
* \param props Input buffer containing the properties.
* \param props_size Size of the properties. This must be the exact
* size; giving too much or too little input will
* return LZMA_OPTIONS_ERROR.
*
* \return - LZMA_OK
* - LZMA_OPTIONS_ERROR
* - LZMA_MEM_ERROR
*/
extern LZMA_API(lzma_ret) lzma_properties_decode(
lzma_filter *filter, lzma_allocator *allocator,
const uint8_t *props, size_t props_size) lzma_nothrow;
/**
* \brief Calculate encoded size of a Filter Flags field
*
* Knowing the size of Filter Flags is useful to know when allocating
* memory to hold the encoded Filter Flags.
*
* \param size Pointer to integer to hold the calculated size
* \param filter Filter ID and associated options whose encoded
* size is to be calculated
*
* \return - LZMA_OK: *size set successfully. Note that this doesn't
* guarantee that filter->options is valid, thus
* lzma_filter_flags_encode() may still fail.
* - LZMA_OPTIONS_ERROR: Unknown Filter ID or unsupported options.
* - LZMA_PROG_ERROR: Invalid options
*
* \note If you need to calculate size of List of Filter Flags,
* you need to loop over every lzma_filter entry.
*/
extern LZMA_API(lzma_ret) lzma_filter_flags_size(
uint32_t *size, const lzma_filter *filter)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Encode Filter Flags into given buffer
*
* In contrast to some functions, this doesn't allocate the needed buffer.
* This is due to how this function is used internally by liblzma.
*
* \param filter Filter ID and options to be encoded
* \param out Beginning of the output buffer
* \param out_pos out[*out_pos] is the next write position. This
* is updated by the encoder.
* \param out_size out[out_size] is the first byte to not write.
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_OPTIONS_ERROR: Invalid or unsupported options.
* - LZMA_PROG_ERROR: Invalid options or not enough output
* buffer space (you should have checked it with
* lzma_filter_flags_size()).
*/
extern LZMA_API(lzma_ret) lzma_filter_flags_encode(const lzma_filter *filter,
uint8_t *out, size_t *out_pos, size_t out_size)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Decode Filter Flags from given buffer
*
* The decoded result is stored into *filter. The old value of
* filter->options is not free()d.
*
* \return - LZMA_OK
* - LZMA_OPTIONS_ERROR
* - LZMA_MEM_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_filter_flags_decode(
lzma_filter *filter, lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size)
lzma_nothrow lzma_attr_warn_unused_result;

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/**
* \file lzma/hardware.h
* \brief Hardware information
*
* Since liblzma can consume a lot of system resources, it also provides
* ways to limit the resource usage. Applications linking against liblzma
* need to do the actual decisions how much resources to let liblzma to use.
* To ease making these decisions, liblzma provides functions to find out
* the relevant capabilities of the underlaying hardware. Currently there
* is only a function to find out the amount of RAM, but in the future there
* will be also a function to detect how many concurrent threads the system
* can run.
*
* \note On some operating systems, these function may temporarily
* load a shared library or open file descriptor(s) to find out
* the requested hardware information. Unless the application
* assumes that specific file descriptors are not touched by
* other threads, this should have no effect on thread safety.
* Possible operations involving file descriptors will restart
* the syscalls if they return EINTR.
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Get the total amount of physical memory (RAM) in bytes
*
* This function may be useful when determining a reasonable memory
* usage limit for decompressing or how much memory it is OK to use
* for compressing.
*
* \return On success, the total amount of physical memory in bytes
* is returned. If the amount of RAM cannot be determined,
* zero is returned. This can happen if an error occurs
* or if there is no code in liblzma to detect the amount
* of RAM on the specific operating system.
*/
extern LZMA_API(uint64_t) lzma_physmem(void) lzma_nothrow;

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/**
* \file lzma/index.h
* \brief Handling of .xz Index and related information
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Opaque data type to hold the Index(es) and other information
*
* lzma_index often holds just one .xz Index and possibly the Stream Flags
* of the same Stream and size of the Stream Padding field. However,
* multiple lzma_indexes can be concatenated with lzma_index_cat() and then
* there may be information about multiple Streams in the same lzma_index.
*
* Notes about thread safety: Only one thread may modify lzma_index at
* a time. All functions that take non-const pointer to lzma_index
* modify it. As long as no thread is modifying the lzma_index, getting
* information from the same lzma_index can be done from multiple threads
* at the same time with functions that take a const pointer to
* lzma_index or use lzma_index_iter. The same iterator must be used
* only by one thread at a time, of course, but there can be as many
* iterators for the same lzma_index as needed.
*/
typedef struct lzma_index_s lzma_index;
/**
* \brief Iterator to get information about Blocks and Streams
*/
typedef struct {
struct {
/**
* \brief Pointer to Stream Flags
*
* This is NULL if Stream Flags have not been set for
* this Stream with lzma_index_stream_flags().
*/
const lzma_stream_flags *flags;
const void *reserved_ptr1;
const void *reserved_ptr2;
const void *reserved_ptr3;
/**
* \brief Stream number in the lzma_index
*
* The first Stream is 1.
*/
lzma_vli number;
/**
* \brief Number of Blocks in the Stream
*
* If this is zero, the block structure below has
* undefined values.
*/
lzma_vli block_count;
/**
* \brief Compressed start offset of this Stream
*
* The offset is relative to the beginning of the lzma_index
* (i.e. usually the beginning of the .xz file).
*/
lzma_vli compressed_offset;
/**
* \brief Uncompressed start offset of this Stream
*
* The offset is relative to the beginning of the lzma_index
* (i.e. usually the beginning of the .xz file).
*/
lzma_vli uncompressed_offset;
/**
* \brief Compressed size of this Stream
*
* This includes all headers except the possible
* Stream Padding after this Stream.
*/
lzma_vli compressed_size;
/**
* \brief Uncompressed size of this Stream
*/
lzma_vli uncompressed_size;
/**
* \brief Size of Stream Padding after this Stream
*
* If it hasn't been set with lzma_index_stream_padding(),
* this defaults to zero. Stream Padding is always
* a multiple of four bytes.
*/
lzma_vli padding;
lzma_vli reserved_vli1;
lzma_vli reserved_vli2;
lzma_vli reserved_vli3;
lzma_vli reserved_vli4;
} stream;
struct {
/**
* \brief Block number in the file
*
* The first Block is 1.
*/
lzma_vli number_in_file;
/**
* \brief Compressed start offset of this Block
*
* This offset is relative to the beginning of the
* lzma_index (i.e. usually the beginning of the .xz file).
* Normally this is where you should seek in the .xz file
* to start decompressing this Block.
*/
lzma_vli compressed_file_offset;
/**
* \brief Uncompressed start offset of this Block
*
* This offset is relative to the beginning of the lzma_index
* (i.e. usually the beginning of the .xz file).
*
* When doing random-access reading, it is possible that
* the target offset is not exactly at Block boundary. One
* will need to compare the target offset against
* uncompressed_file_offset or uncompressed_stream_offset,
* and possibly decode and throw away some amount of data
* before reaching the target offset.
*/
lzma_vli uncompressed_file_offset;
/**
* \brief Block number in this Stream
*
* The first Block is 1.
*/
lzma_vli number_in_stream;
/**
* \brief Compressed start offset of this Block
*
* This offset is relative to the beginning of the Stream
* containing this Block.
*/
lzma_vli compressed_stream_offset;
/**
* \brief Uncompressed start offset of this Block
*
* This offset is relative to the beginning of the Stream
* containing this Block.
*/
lzma_vli uncompressed_stream_offset;
/**
* \brief Uncompressed size of this Block
*
* You should pass this to the Block decoder if you will
* decode this Block. It will allow the Block decoder to
* validate the uncompressed size.
*/
lzma_vli uncompressed_size;
/**
* \brief Unpadded size of this Block
*
* You should pass this to the Block decoder if you will
* decode this Block. It will allow the Block decoder to
* validate the unpadded size.
*/
lzma_vli unpadded_size;
/**
* \brief Total compressed size
*
* This includes all headers and padding in this Block.
* This is useful if you need to know how many bytes
* the Block decoder will actually read.
*/
lzma_vli total_size;
lzma_vli reserved_vli1;
lzma_vli reserved_vli2;
lzma_vli reserved_vli3;
lzma_vli reserved_vli4;
const void *reserved_ptr1;
const void *reserved_ptr2;
const void *reserved_ptr3;
const void *reserved_ptr4;
} block;
/*
* Internal data which is used to store the state of the iterator.
* The exact format may vary between liblzma versions, so don't
* touch these in any way.
*/
union {
const void *p;
size_t s;
lzma_vli v;
} internal[6];
} lzma_index_iter;
/**
* \brief Operation mode for lzma_index_iter_next()
*/
typedef enum {
LZMA_INDEX_ITER_ANY = 0,
/**<
* \brief Get the next Block or Stream
*
* Go to the next Block if the current Stream has at least
* one Block left. Otherwise go to the next Stream even if
* it has no Blocks. If the Stream has no Blocks
* (lzma_index_iter.stream.block_count == 0),
* lzma_index_iter.block will have undefined values.
*/
LZMA_INDEX_ITER_STREAM = 1,
/**<
* \brief Get the next Stream
*
* Go to the next Stream even if the current Stream has
* unread Blocks left. If the next Stream has at least one
* Block, the iterator will point to the first Block.
* If there are no Blocks, lzma_index_iter.block will have
* undefined values.
*/
LZMA_INDEX_ITER_BLOCK = 2,
/**<
* \brief Get the next Block
*
* Go to the next Block if the current Stream has at least
* one Block left. If the current Stream has no Blocks left,
* the next Stream with at least one Block is located and
* the iterator will be made to point to the first Block of
* that Stream.
*/
LZMA_INDEX_ITER_NONEMPTY_BLOCK = 3
/**<
* \brief Get the next non-empty Block
*
* This is like LZMA_INDEX_ITER_BLOCK except that it will
* skip Blocks whose Uncompressed Size is zero.
*/
} lzma_index_iter_mode;
/**
* \brief Calculate memory usage of lzma_index
*
* On disk, the size of the Index field depends on both the number of Records
* stored and how big values the Records store (due to variable-length integer
* encoding). When the Index is kept in lzma_index structure, the memory usage
* depends only on the number of Records/Blocks stored in the Index(es), and
* in case of concatenated lzma_indexes, the number of Streams. The size in
* RAM is almost always significantly bigger than in the encoded form on disk.
*
* This function calculates an approximate amount of memory needed hold
* the given number of Streams and Blocks in lzma_index structure. This
* value may vary between CPU architectures and also between liblzma versions
* if the internal implementation is modified.
*/
extern LZMA_API(uint64_t) lzma_index_memusage(
lzma_vli streams, lzma_vli blocks) lzma_nothrow;
/**
* \brief Calculate the memory usage of an existing lzma_index
*
* This is a shorthand for lzma_index_memusage(lzma_index_stream_count(i),
* lzma_index_block_count(i)).
*/
extern LZMA_API(uint64_t) lzma_index_memused(const lzma_index *i)
lzma_nothrow;
/**
* \brief Allocate and initialize a new lzma_index structure
*
* \return On success, a pointer to an empty initialized lzma_index is
* returned. If allocation fails, NULL is returned.
*/
extern LZMA_API(lzma_index *) lzma_index_init(lzma_allocator *allocator)
lzma_nothrow;
/**
* \brief Deallocate lzma_index
*
* If i is NULL, this does nothing.
*/
extern LZMA_API(void) lzma_index_end(lzma_index *i, lzma_allocator *allocator)
lzma_nothrow;
/**
* \brief Add a new Block to lzma_index
*
* \param i Pointer to a lzma_index structure
* \param allocator Pointer to lzma_allocator, or NULL to
* use malloc()
* \param unpadded_size Unpadded Size of a Block. This can be
* calculated with lzma_block_unpadded_size()
* after encoding or decoding the Block.
* \param uncompressed_size Uncompressed Size of a Block. This can be
* taken directly from lzma_block structure
* after encoding or decoding the Block.
*
* Appending a new Block does not invalidate iterators. For example,
* if an iterator was pointing to the end of the lzma_index, after
* lzma_index_append() it is possible to read the next Block with
* an existing iterator.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_DATA_ERROR: Compressed or uncompressed size of the
* Stream or size of the Index field would grow too big.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_append(
lzma_index *i, lzma_allocator *allocator,
lzma_vli unpadded_size, lzma_vli uncompressed_size)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Set the Stream Flags
*
* Set the Stream Flags of the last (and typically the only) Stream
* in lzma_index. This can be useful when reading information from the
* lzma_index, because to decode Blocks, knowing the integrity check type
* is needed.
*
* The given Stream Flags are copied into internal preallocated structure
* in the lzma_index, thus the caller doesn't need to keep the *stream_flags
* available after calling this function.
*
* \return - LZMA_OK
* - LZMA_OPTIONS_ERROR: Unsupported stream_flags->version.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_stream_flags(
lzma_index *i, const lzma_stream_flags *stream_flags)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Get the types of integrity Checks
*
* If lzma_index_stream_flags() is used to set the Stream Flags for
* every Stream, lzma_index_checks() can be used to get a bitmask to
* indicate which Check types have been used. It can be useful e.g. if
* showing the Check types to the user.
*
* The bitmask is 1 << check_id, e.g. CRC32 is 1 << 1 and SHA-256 is 1 << 10.
*/
extern LZMA_API(uint32_t) lzma_index_checks(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Set the amount of Stream Padding
*
* Set the amount of Stream Padding of the last (and typically the only)
* Stream in the lzma_index. This is needed when planning to do random-access
* reading within multiple concatenated Streams.
*
* By default, the amount of Stream Padding is assumed to be zero bytes.
*
* \return - LZMA_OK
* - LZMA_DATA_ERROR: The file size would grow too big.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_stream_padding(
lzma_index *i, lzma_vli stream_padding)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Get the number of Streams
*/
extern LZMA_API(lzma_vli) lzma_index_stream_count(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Get the number of Blocks
*
* This returns the total number of Blocks in lzma_index. To get number
* of Blocks in individual Streams, use lzma_index_iter.
*/
extern LZMA_API(lzma_vli) lzma_index_block_count(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Get the size of the Index field as bytes
*
* This is needed to verify the Backward Size field in the Stream Footer.
*/
extern LZMA_API(lzma_vli) lzma_index_size(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Get the total size of the Stream
*
* If multiple lzma_indexes have been combined, this works as if the Blocks
* were in a single Stream. This is useful if you are going to combine
* Blocks from multiple Streams into a single new Stream.
*/
extern LZMA_API(lzma_vli) lzma_index_stream_size(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Get the total size of the Blocks
*
* This doesn't include the Stream Header, Stream Footer, Stream Padding,
* or Index fields.
*/
extern LZMA_API(lzma_vli) lzma_index_total_size(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Get the total size of the file
*
* When no lzma_indexes have been combined with lzma_index_cat() and there is
* no Stream Padding, this function is identical to lzma_index_stream_size().
* If multiple lzma_indexes have been combined, this includes also the headers
* of each separate Stream and the possible Stream Padding fields.
*/
extern LZMA_API(lzma_vli) lzma_index_file_size(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Get the uncompressed size of the file
*/
extern LZMA_API(lzma_vli) lzma_index_uncompressed_size(const lzma_index *i)
lzma_nothrow lzma_attr_pure;
/**
* \brief Initialize an iterator
*
* \param iter Pointer to a lzma_index_iter structure
* \param i lzma_index to which the iterator will be associated
*
* This function associates the iterator with the given lzma_index, and calls
* lzma_index_iter_rewind() on the iterator.
*
* This function doesn't allocate any memory, thus there is no
* lzma_index_iter_end(). The iterator is valid as long as the
* associated lzma_index is valid, that is, until lzma_index_end() or
* using it as source in lzma_index_cat(). Specifically, lzma_index doesn't
* become invalid if new Blocks are added to it with lzma_index_append() or
* if it is used as the destination in lzma_index_cat().
*
* It is safe to make copies of an initialized lzma_index_iter, for example,
* to easily restart reading at some particular position.
*/
extern LZMA_API(void) lzma_index_iter_init(
lzma_index_iter *iter, const lzma_index *i) lzma_nothrow;
/**
* \brief Rewind the iterator
*
* Rewind the iterator so that next call to lzma_index_iter_next() will
* return the first Block or Stream.
*/
extern LZMA_API(void) lzma_index_iter_rewind(lzma_index_iter *iter)
lzma_nothrow;
/**
* \brief Get the next Block or Stream
*
* \param iter Iterator initialized with lzma_index_iter_init()
* \param mode Specify what kind of information the caller wants
* to get. See lzma_index_iter_mode for details.
*
* \return If next Block or Stream matching the mode was found, *iter
* is updated and this function returns false. If no Block or
* Stream matching the mode is found, *iter is not modified
* and this function returns true. If mode is set to an unknown
* value, *iter is not modified and this function returns true.
*/
extern LZMA_API(lzma_bool) lzma_index_iter_next(
lzma_index_iter *iter, lzma_index_iter_mode mode)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Locate a Block
*
* If it is possible to seek in the .xz file, it is possible to parse
* the Index field(s) and use lzma_index_iter_locate() to do random-access
* reading with granularity of Block size.
*
* \param iter Iterator that was earlier initialized with
* lzma_index_iter_init().
* \param target Uncompressed target offset which the caller would
* like to locate from the Stream
*
* If the target is smaller than the uncompressed size of the Stream (can be
* checked with lzma_index_uncompressed_size()):
* - Information about the Stream and Block containing the requested
* uncompressed offset is stored into *iter.
* - Internal state of the iterator is adjusted so that
* lzma_index_iter_next() can be used to read subsequent Blocks or Streams.
* - This function returns false.
*
* If target is greater than the uncompressed size of the Stream, *iter
* is not modified, and this function returns true.
*/
extern LZMA_API(lzma_bool) lzma_index_iter_locate(
lzma_index_iter *iter, lzma_vli target) lzma_nothrow;
/**
* \brief Concatenate lzma_indexes
*
* Concatenating lzma_indexes is useful when doing random-access reading in
* multi-Stream .xz file, or when combining multiple Streams into single
* Stream.
*
* \param dest lzma_index after which src is appended
* \param src lzma_index to be appended after dest. If this
* function succeeds, the memory allocated for src
* is freed or moved to be part of dest, and all
* iterators pointing to src will become invalid.
* \param allocator Custom memory allocator; can be NULL to use
* malloc() and free().
*
* \return - LZMA_OK: lzma_indexes were concatenated successfully.
* src is now a dangling pointer.
* - LZMA_DATA_ERROR: *dest would grow too big.
* - LZMA_MEM_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_cat(
lzma_index *dest, lzma_index *src, lzma_allocator *allocator)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Duplicate lzma_index
*
* \return A copy of the lzma_index, or NULL if memory allocation failed.
*/
extern LZMA_API(lzma_index *) lzma_index_dup(
const lzma_index *i, lzma_allocator *allocator)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Initialize .xz Index encoder
*
* \param strm Pointer to properly prepared lzma_stream
* \param i Pointer to lzma_index which should be encoded.
*
* The valid `action' values for lzma_code() are LZMA_RUN and LZMA_FINISH.
* It is enough to use only one of them (you can choose freely; use LZMA_RUN
* to support liblzma versions older than 5.0.0).
*
* \return - LZMA_OK: Initialization succeeded, continue with lzma_code().
* - LZMA_MEM_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_encoder(
lzma_stream *strm, const lzma_index *i)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Initialize .xz Index decoder
*
* \param strm Pointer to properly prepared lzma_stream
* \param i The decoded Index will be made available via
* this pointer. Initially this function will
* set *i to NULL (the old value is ignored). If
* decoding succeeds (lzma_code() returns
* LZMA_STREAM_END), *i will be set to point
* to a new lzma_index, which the application
* has to later free with lzma_index_end().
* \param memlimit How much memory the resulting lzma_index is
* allowed to require.
*
* The valid `action' values for lzma_code() are LZMA_RUN and LZMA_FINISH.
* It is enough to use only one of them (you can choose freely; use LZMA_RUN
* to support liblzma versions older than 5.0.0).
*
* \return - LZMA_OK: Initialization succeeded, continue with lzma_code().
* - LZMA_MEM_ERROR
* - LZMA_MEMLIMIT_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_decoder(
lzma_stream *strm, lzma_index **i, uint64_t memlimit)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Single-call .xz Index encoder
*
* \param i lzma_index to be encoded
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* *out_pos is updated only if encoding succeeds.
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_BUF_ERROR: Output buffer is too small. Use
* lzma_index_size() to find out how much output
* space is needed.
* - LZMA_PROG_ERROR
*
* \note This function doesn't take allocator argument since all
* the internal data is allocated on stack.
*/
extern LZMA_API(lzma_ret) lzma_index_buffer_encode(const lzma_index *i,
uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow;
/**
* \brief Single-call .xz Index decoder
*
* \param i If decoding succeeds, *i will point to a new
* lzma_index, which the application has to
* later free with lzma_index_end(). If an error
* occurs, *i will be NULL. The old value of *i
* is always ignored and thus doesn't need to be
* initialized by the caller.
* \param memlimit Pointer to how much memory the resulting
* lzma_index is allowed to require. The value
* pointed by this pointer is modified if and only
* if LZMA_MEMLIMIT_ERROR is returned.
* \param allocator Pointer to lzma_allocator, or NULL to use malloc()
* \param in Beginning of the input buffer
* \param in_pos The next byte will be read from in[*in_pos].
* *in_pos is updated only if decoding succeeds.
* \param in_size Size of the input buffer; the first byte that
* won't be read is in[in_size].
*
* \return - LZMA_OK: Decoding was successful.
* - LZMA_MEM_ERROR
* - LZMA_MEMLIMIT_ERROR: Memory usage limit was reached.
* The minimum required memlimit value was stored to *memlimit.
* - LZMA_DATA_ERROR
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_buffer_decode(lzma_index **i,
uint64_t *memlimit, lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size)
lzma_nothrow;

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/**
* \file lzma/index_hash.h
* \brief Validate Index by using a hash function
*
* Hashing makes it possible to use constant amount of memory to validate
* Index of arbitrary size.
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Opaque data type to hold the Index hash
*/
typedef struct lzma_index_hash_s lzma_index_hash;
/**
* \brief Allocate and initialize a new lzma_index_hash structure
*
* If index_hash is NULL, a new lzma_index_hash structure is allocated,
* initialized, and a pointer to it returned. If allocation fails, NULL
* is returned.
*
* If index_hash is non-NULL, it is reinitialized and the same pointer
* returned. In this case, return value cannot be NULL or a different
* pointer than the index_hash that was given as an argument.
*/
extern LZMA_API(lzma_index_hash *) lzma_index_hash_init(
lzma_index_hash *index_hash, lzma_allocator *allocator)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Deallocate lzma_index_hash structure
*/
extern LZMA_API(void) lzma_index_hash_end(
lzma_index_hash *index_hash, lzma_allocator *allocator)
lzma_nothrow;
/**
* \brief Add a new Record to an Index hash
*
* \param index Pointer to a lzma_index_hash structure
* \param unpadded_size Unpadded Size of a Block
* \param uncompressed_size Uncompressed Size of a Block
*
* \return - LZMA_OK
* - LZMA_DATA_ERROR: Compressed or uncompressed size of the
* Stream or size of the Index field would grow too big.
* - LZMA_PROG_ERROR: Invalid arguments or this function is being
* used when lzma_index_hash_decode() has already been used.
*/
extern LZMA_API(lzma_ret) lzma_index_hash_append(lzma_index_hash *index_hash,
lzma_vli unpadded_size, lzma_vli uncompressed_size)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Decode and validate the Index field
*
* After telling the sizes of all Blocks with lzma_index_hash_append(),
* the actual Index field is decoded with this function. Specifically,
* once decoding of the Index field has been started, no more Records
* can be added using lzma_index_hash_append().
*
* This function doesn't use lzma_stream structure to pass the input data.
* Instead, the input buffer is specified using three arguments. This is
* because it matches better the internal APIs of liblzma.
*
* \param index_hash Pointer to a lzma_index_hash structure
* \param in Pointer to the beginning of the input buffer
* \param in_pos in[*in_pos] is the next byte to process
* \param in_size in[in_size] is the first byte not to process
*
* \return - LZMA_OK: So far good, but more input is needed.
* - LZMA_STREAM_END: Index decoded successfully and it matches
* the Records given with lzma_index_hash_append().
* - LZMA_DATA_ERROR: Index is corrupt or doesn't match the
* information given with lzma_index_hash_append().
* - LZMA_BUF_ERROR: Cannot progress because *in_pos >= in_size.
* - LZMA_PROG_ERROR
*/
extern LZMA_API(lzma_ret) lzma_index_hash_decode(lzma_index_hash *index_hash,
const uint8_t *in, size_t *in_pos, size_t in_size)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Get the size of the Index field as bytes
*
* This is needed to verify the Backward Size field in the Stream Footer.
*/
extern LZMA_API(lzma_vli) lzma_index_hash_size(
const lzma_index_hash *index_hash)
lzma_nothrow lzma_attr_pure;

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/**
* \file lzma/lzma.h
* \brief LZMA1 and LZMA2 filters
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief LZMA1 Filter ID
*
* LZMA1 is the very same thing as what was called just LZMA in LZMA Utils,
* 7-Zip, and LZMA SDK. It's called LZMA1 here to prevent developers from
* accidentally using LZMA when they actually want LZMA2.
*
* LZMA1 shouldn't be used for new applications unless you _really_ know
* what you are doing. LZMA2 is almost always a better choice.
*/
#define LZMA_FILTER_LZMA1 LZMA_VLI_C(0x4000000000000001)
/**
* \brief LZMA2 Filter ID
*
* Usually you want this instead of LZMA1. Compared to LZMA1, LZMA2 adds
* support for LZMA_SYNC_FLUSH, uncompressed chunks (smaller expansion
* when trying to compress uncompressible data), possibility to change
* lc/lp/pb in the middle of encoding, and some other internal improvements.
*/
#define LZMA_FILTER_LZMA2 LZMA_VLI_C(0x21)
/**
* \brief Match finders
*
* Match finder has major effect on both speed and compression ratio.
* Usually hash chains are faster than binary trees.
*
* If you will use LZMA_SYNC_FLUSH often, the hash chains may be a better
* choice, because binary trees get much higher compression ratio penalty
* with LZMA_SYNC_FLUSH.
*
* The memory usage formulas are only rough estimates, which are closest to
* reality when dict_size is a power of two. The formulas are more complex
* in reality, and can also change a little between liblzma versions. Use
* lzma_raw_encoder_memusage() to get more accurate estimate of memory usage.
*/
typedef enum {
LZMA_MF_HC3 = 0x03,
/**<
* \brief Hash Chain with 2- and 3-byte hashing
*
* Minimum nice_len: 3
*
* Memory usage:
* - dict_size <= 16 MiB: dict_size * 7.5
* - dict_size > 16 MiB: dict_size * 5.5 + 64 MiB
*/
LZMA_MF_HC4 = 0x04,
/**<
* \brief Hash Chain with 2-, 3-, and 4-byte hashing
*
* Minimum nice_len: 4
*
* Memory usage:
* - dict_size <= 32 MiB: dict_size * 7.5
* - dict_size > 32 MiB: dict_size * 6.5
*/
LZMA_MF_BT2 = 0x12,
/**<
* \brief Binary Tree with 2-byte hashing
*
* Minimum nice_len: 2
*
* Memory usage: dict_size * 9.5
*/
LZMA_MF_BT3 = 0x13,
/**<
* \brief Binary Tree with 2- and 3-byte hashing
*
* Minimum nice_len: 3
*
* Memory usage:
* - dict_size <= 16 MiB: dict_size * 11.5
* - dict_size > 16 MiB: dict_size * 9.5 + 64 MiB
*/
LZMA_MF_BT4 = 0x14
/**<
* \brief Binary Tree with 2-, 3-, and 4-byte hashing
*
* Minimum nice_len: 4
*
* Memory usage:
* - dict_size <= 32 MiB: dict_size * 11.5
* - dict_size > 32 MiB: dict_size * 10.5
*/
} lzma_match_finder;
/**
* \brief Test if given match finder is supported
*
* Return true if the given match finder is supported by this liblzma build.
* Otherwise false is returned. It is safe to call this with a value that
* isn't listed in lzma_match_finder enumeration; the return value will be
* false.
*
* There is no way to list which match finders are available in this
* particular liblzma version and build. It would be useless, because
* a new match finder, which the application developer wasn't aware,
* could require giving additional options to the encoder that the older
* match finders don't need.
*/
extern LZMA_API(lzma_bool) lzma_mf_is_supported(lzma_match_finder match_finder)
lzma_nothrow lzma_attr_const;
/**
* \brief Compression modes
*
* This selects the function used to analyze the data produced by the match
* finder.
*/
typedef enum {
LZMA_MODE_FAST = 1,
/**<
* \brief Fast compression
*
* Fast mode is usually at its best when combined with
* a hash chain match finder.
*/
LZMA_MODE_NORMAL = 2
/**<
* \brief Normal compression
*
* This is usually notably slower than fast mode. Use this
* together with binary tree match finders to expose the
* full potential of the LZMA1 or LZMA2 encoder.
*/
} lzma_mode;
/**
* \brief Test if given compression mode is supported
*
* Return true if the given compression mode is supported by this liblzma
* build. Otherwise false is returned. It is safe to call this with a value
* that isn't listed in lzma_mode enumeration; the return value will be false.
*
* There is no way to list which modes are available in this particular
* liblzma version and build. It would be useless, because a new compression
* mode, which the application developer wasn't aware, could require giving
* additional options to the encoder that the older modes don't need.
*/
extern LZMA_API(lzma_bool) lzma_mode_is_supported(lzma_mode mode)
lzma_nothrow lzma_attr_const;
/**
* \brief Options specific to the LZMA1 and LZMA2 filters
*
* Since LZMA1 and LZMA2 share most of the code, it's simplest to share
* the options structure too. For encoding, all but the reserved variables
* need to be initialized unless specifically mentioned otherwise.
* lzma_lzma_preset() can be used to get a good starting point.
*
* For raw decoding, both LZMA1 and LZMA2 need dict_size, preset_dict, and
* preset_dict_size (if preset_dict != NULL). LZMA1 needs also lc, lp, and pb.
*/
typedef struct {
/**
* \brief Dictionary size in bytes
*
* Dictionary size indicates how many bytes of the recently processed
* uncompressed data is kept in memory. One method to reduce size of
* the uncompressed data is to store distance-length pairs, which
* indicate what data to repeat from the dictionary buffer. Thus,
* the bigger the dictionary, the better the compression ratio
* usually is.
*
* Maximum size of the dictionary depends on multiple things:
* - Memory usage limit
* - Available address space (not a problem on 64-bit systems)
* - Selected match finder (encoder only)
*
* Currently the maximum dictionary size for encoding is 1.5 GiB
* (i.e. (UINT32_C(1) << 30) + (UINT32_C(1) << 29)) even on 64-bit
* systems for certain match finder implementation reasons. In the
* future, there may be match finders that support bigger
* dictionaries.
*
* Decoder already supports dictionaries up to 4 GiB - 1 B (i.e.
* UINT32_MAX), so increasing the maximum dictionary size of the
* encoder won't cause problems for old decoders.
*
* Because extremely small dictionaries sizes would have unneeded
* overhead in the decoder, the minimum dictionary size is 4096 bytes.
*
* \note When decoding, too big dictionary does no other harm
* than wasting memory.
*/
uint32_t dict_size;
# define LZMA_DICT_SIZE_MIN UINT32_C(4096)
# define LZMA_DICT_SIZE_DEFAULT (UINT32_C(1) << 23)
/**
* \brief Pointer to an initial dictionary
*
* It is possible to initialize the LZ77 history window using
* a preset dictionary. It is useful when compressing many
* similar, relatively small chunks of data independently from
* each other. The preset dictionary should contain typical
* strings that occur in the files being compressed. The most
* probable strings should be near the end of the preset dictionary.
*
* This feature should be used only in special situations. For
* now, it works correctly only with raw encoding and decoding.
* Currently none of the container formats supported by
* liblzma allow preset dictionary when decoding, thus if
* you create a .xz or .lzma file with preset dictionary, it
* cannot be decoded with the regular decoder functions. In the
* future, the .xz format will likely get support for preset
* dictionary though.
*/
const uint8_t *preset_dict;
/**
* \brief Size of the preset dictionary
*
* Specifies the size of the preset dictionary. If the size is
* bigger than dict_size, only the last dict_size bytes are
* processed.
*
* This variable is read only when preset_dict is not NULL.
* If preset_dict is not NULL but preset_dict_size is zero,
* no preset dictionary is used (identical to only setting
* preset_dict to NULL).
*/
uint32_t preset_dict_size;
/**
* \brief Number of literal context bits
*
* How many of the highest bits of the previous uncompressed
* eight-bit byte (also known as `literal') are taken into
* account when predicting the bits of the next literal.
*
* E.g. in typical English text, an upper-case letter is
* often followed by a lower-case letter, and a lower-case
* letter is usually followed by another lower-case letter.
* In the US-ASCII character set, the highest three bits are 010
* for upper-case letters and 011 for lower-case letters.
* When lc is at least 3, the literal coding can take advantage of
* this property in the uncompressed data.
*
* There is a limit that applies to literal context bits and literal
* position bits together: lc + lp <= 4. Without this limit the
* decoding could become very slow, which could have security related
* results in some cases like email servers doing virus scanning.
* This limit also simplifies the internal implementation in liblzma.
*
* There may be LZMA1 streams that have lc + lp > 4 (maximum possible
* lc would be 8). It is not possible to decode such streams with
* liblzma.
*/
uint32_t lc;
# define LZMA_LCLP_MIN 0
# define LZMA_LCLP_MAX 4
# define LZMA_LC_DEFAULT 3
/**
* \brief Number of literal position bits
*
* lp affects what kind of alignment in the uncompressed data is
* assumed when encoding literals. A literal is a single 8-bit byte.
* See pb below for more information about alignment.
*/
uint32_t lp;
# define LZMA_LP_DEFAULT 0
/**
* \brief Number of position bits
*
* pb affects what kind of alignment in the uncompressed data is
* assumed in general. The default means four-byte alignment
* (2^ pb =2^2=4), which is often a good choice when there's
* no better guess.
*
* When the aligment is known, setting pb accordingly may reduce
* the file size a little. E.g. with text files having one-byte
* alignment (US-ASCII, ISO-8859-*, UTF-8), setting pb=0 can
* improve compression slightly. For UTF-16 text, pb=1 is a good
* choice. If the alignment is an odd number like 3 bytes, pb=0
* might be the best choice.
*
* Even though the assumed alignment can be adjusted with pb and
* lp, LZMA1 and LZMA2 still slightly favor 16-byte alignment.
* It might be worth taking into account when designing file formats
* that are likely to be often compressed with LZMA1 or LZMA2.
*/
uint32_t pb;
# define LZMA_PB_MIN 0
# define LZMA_PB_MAX 4
# define LZMA_PB_DEFAULT 2
/** Compression mode */
lzma_mode mode;
/**
* \brief Nice length of a match
*
* This determines how many bytes the encoder compares from the match
* candidates when looking for the best match. Once a match of at
* least nice_len bytes long is found, the encoder stops looking for
* better candidates and encodes the match. (Naturally, if the found
* match is actually longer than nice_len, the actual length is
* encoded; it's not truncated to nice_len.)
*
* Bigger values usually increase the compression ratio and
* compression time. For most files, 32 to 128 is a good value,
* which gives very good compression ratio at good speed.
*
* The exact minimum value depends on the match finder. The maximum
* is 273, which is the maximum length of a match that LZMA1 and
* LZMA2 can encode.
*/
uint32_t nice_len;
/** Match finder ID */
lzma_match_finder mf;
/**
* \brief Maximum search depth in the match finder
*
* For every input byte, match finder searches through the hash chain
* or binary tree in a loop, each iteration going one step deeper in
* the chain or tree. The searching stops if
* - a match of at least nice_len bytes long is found;
* - all match candidates from the hash chain or binary tree have
* been checked; or
* - maximum search depth is reached.
*
* Maximum search depth is needed to prevent the match finder from
* wasting too much time in case there are lots of short match
* candidates. On the other hand, stopping the search before all
* candidates have been checked can reduce compression ratio.
*
* Setting depth to zero tells liblzma to use an automatic default
* value, that depends on the selected match finder and nice_len.
* The default is in the range [4, 200] or so (it may vary between
* liblzma versions).
*
* Using a bigger depth value than the default can increase
* compression ratio in some cases. There is no strict maximum value,
* but high values (thousands or millions) should be used with care:
* the encoder could remain fast enough with typical input, but
* malicious input could cause the match finder to slow down
* dramatically, possibly creating a denial of service attack.
*/
uint32_t depth;
/*
* Reserved space to allow possible future extensions without
* breaking the ABI. You should not touch these, because the names
* of these variables may change. These are and will never be used
* with the currently supported options, so it is safe to leave these
* uninitialized.
*/
uint32_t reserved_int1;
uint32_t reserved_int2;
uint32_t reserved_int3;
uint32_t reserved_int4;
uint32_t reserved_int5;
uint32_t reserved_int6;
uint32_t reserved_int7;
uint32_t reserved_int8;
lzma_reserved_enum reserved_enum1;
lzma_reserved_enum reserved_enum2;
lzma_reserved_enum reserved_enum3;
lzma_reserved_enum reserved_enum4;
void *reserved_ptr1;
void *reserved_ptr2;
} lzma_options_lzma;
/**
* \brief Set a compression preset to lzma_options_lzma structure
*
* 0 is the fastest and 9 is the slowest. These match the switches -0 .. -9
* of the xz command line tool. In addition, it is possible to bitwise-or
* flags to the preset. Currently only LZMA_PRESET_EXTREME is supported.
* The flags are defined in container.h, because the flags are used also
* with lzma_easy_encoder().
*
* The preset values are subject to changes between liblzma versions.
*
* This function is available only if LZMA1 or LZMA2 encoder has been enabled
* when building liblzma.
*/
extern LZMA_API(lzma_bool) lzma_lzma_preset(
lzma_options_lzma *options, uint32_t preset) lzma_nothrow;

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/**
* \file lzma/stream_flags.h
* \brief .xz Stream Header and Stream Footer encoder and decoder
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Size of Stream Header and Stream Footer
*
* Stream Header and Stream Footer have the same size and they are not
* going to change even if a newer version of the .xz file format is
* developed in future.
*/
#define LZMA_STREAM_HEADER_SIZE 12
/**
* \brief Options for encoding/decoding Stream Header and Stream Footer
*/
typedef struct {
/**
* \brief Stream Flags format version
*
* To prevent API and ABI breakages if new features are needed in
* Stream Header or Stream Footer, a version number is used to
* indicate which fields in this structure are in use. For now,
* version must always be zero. With non-zero version, the
* lzma_stream_header_encode() and lzma_stream_footer_encode()
* will return LZMA_OPTIONS_ERROR.
*
* lzma_stream_header_decode() and lzma_stream_footer_decode()
* will always set this to the lowest value that supports all the
* features indicated by the Stream Flags field. The application
* must check that the version number set by the decoding functions
* is supported by the application. Otherwise it is possible that
* the application will decode the Stream incorrectly.
*/
uint32_t version;
/**
* \brief Backward Size
*
* Backward Size must be a multiple of four bytes. In this Stream
* format version, Backward Size is the size of the Index field.
*
* Backward Size isn't actually part of the Stream Flags field, but
* it is convenient to include in this structure anyway. Backward
* Size is present only in the Stream Footer. There is no need to
* initialize backward_size when encoding Stream Header.
*
* lzma_stream_header_decode() always sets backward_size to
* LZMA_VLI_UNKNOWN so that it is convenient to use
* lzma_stream_flags_compare() when both Stream Header and Stream
* Footer have been decoded.
*/
lzma_vli backward_size;
# define LZMA_BACKWARD_SIZE_MIN 4
# define LZMA_BACKWARD_SIZE_MAX (LZMA_VLI_C(1) << 34)
/**
* \brief Check ID
*
* This indicates the type of the integrity check calculated from
* uncompressed data.
*/
lzma_check check;
/*
* Reserved space to allow possible future extensions without
* breaking the ABI. You should not touch these, because the
* names of these variables may change.
*
* (We will never be able to use all of these since Stream Flags
* is just two bytes plus Backward Size of four bytes. But it's
* nice to have the proper types when they are needed.)
*/
lzma_reserved_enum reserved_enum1;
lzma_reserved_enum reserved_enum2;
lzma_reserved_enum reserved_enum3;
lzma_reserved_enum reserved_enum4;
lzma_bool reserved_bool1;
lzma_bool reserved_bool2;
lzma_bool reserved_bool3;
lzma_bool reserved_bool4;
lzma_bool reserved_bool5;
lzma_bool reserved_bool6;
lzma_bool reserved_bool7;
lzma_bool reserved_bool8;
uint32_t reserved_int1;
uint32_t reserved_int2;
} lzma_stream_flags;
/**
* \brief Encode Stream Header
*
* \param options Stream Header options to be encoded.
* options->backward_size is ignored and doesn't
* need to be initialized.
* \param out Beginning of the output buffer of
* LZMA_STREAM_HEADER_SIZE bytes.
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_OPTIONS_ERROR: options->version is not supported by
* this liblzma version.
* - LZMA_PROG_ERROR: Invalid options.
*/
extern LZMA_API(lzma_ret) lzma_stream_header_encode(
const lzma_stream_flags *options, uint8_t *out)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Encode Stream Footer
*
* \param options Stream Footer options to be encoded.
* \param out Beginning of the output buffer of
* LZMA_STREAM_HEADER_SIZE bytes.
*
* \return - LZMA_OK: Encoding was successful.
* - LZMA_OPTIONS_ERROR: options->version is not supported by
* this liblzma version.
* - LZMA_PROG_ERROR: Invalid options.
*/
extern LZMA_API(lzma_ret) lzma_stream_footer_encode(
const lzma_stream_flags *options, uint8_t *out)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Decode Stream Header
*
* \param options Target for the decoded Stream Header options.
* \param in Beginning of the input buffer of
* LZMA_STREAM_HEADER_SIZE bytes.
*
* options->backward_size is always set to LZMA_VLI_UNKNOWN. This is to
* help comparing Stream Flags from Stream Header and Stream Footer with
* lzma_stream_flags_compare().
*
* \return - LZMA_OK: Decoding was successful.
* - LZMA_FORMAT_ERROR: Magic bytes don't match, thus the given
* buffer cannot be Stream Header.
* - LZMA_DATA_ERROR: CRC32 doesn't match, thus the header
* is corrupt.
* - LZMA_OPTIONS_ERROR: Unsupported options are present
* in the header.
*
* \note When decoding .xz files that contain multiple Streams, it may
* make sense to print "file format not recognized" only if
* decoding of the Stream Header of the _first_ Stream gives
* LZMA_FORMAT_ERROR. If non-first Stream Header gives
* LZMA_FORMAT_ERROR, the message used for LZMA_DATA_ERROR is
* probably more appropriate.
*
* For example, Stream decoder in liblzma uses LZMA_DATA_ERROR if
* LZMA_FORMAT_ERROR is returned by lzma_stream_header_decode()
* when decoding non-first Stream.
*/
extern LZMA_API(lzma_ret) lzma_stream_header_decode(
lzma_stream_flags *options, const uint8_t *in)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Decode Stream Footer
*
* \param options Target for the decoded Stream Header options.
* \param in Beginning of the input buffer of
* LZMA_STREAM_HEADER_SIZE bytes.
*
* \return - LZMA_OK: Decoding was successful.
* - LZMA_FORMAT_ERROR: Magic bytes don't match, thus the given
* buffer cannot be Stream Footer.
* - LZMA_DATA_ERROR: CRC32 doesn't match, thus the Stream Footer
* is corrupt.
* - LZMA_OPTIONS_ERROR: Unsupported options are present
* in Stream Footer.
*
* \note If Stream Header was already decoded successfully, but
* decoding Stream Footer returns LZMA_FORMAT_ERROR, the
* application should probably report some other error message
* than "file format not recognized", since the file more likely
* is corrupt (possibly truncated). Stream decoder in liblzma
* uses LZMA_DATA_ERROR in this situation.
*/
extern LZMA_API(lzma_ret) lzma_stream_footer_decode(
lzma_stream_flags *options, const uint8_t *in)
lzma_nothrow lzma_attr_warn_unused_result;
/**
* \brief Compare two lzma_stream_flags structures
*
* backward_size values are compared only if both are not
* LZMA_VLI_UNKNOWN.
*
* \return - LZMA_OK: Both are equal. If either had backward_size set
* to LZMA_VLI_UNKNOWN, backward_size values were not
* compared or validated.
* - LZMA_DATA_ERROR: The structures differ.
* - LZMA_OPTIONS_ERROR: version in either structure is greater
* than the maximum supported version (currently zero).
* - LZMA_PROG_ERROR: Invalid value, e.g. invalid check or
* backward_size.
*/
extern LZMA_API(lzma_ret) lzma_stream_flags_compare(
const lzma_stream_flags *a, const lzma_stream_flags *b)
lzma_nothrow lzma_attr_pure;

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/**
* \file lzma/version.h
* \brief Version number
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/*
* Version number split into components
*/
#define LZMA_VERSION_MAJOR 5
#define LZMA_VERSION_MINOR 0
#define LZMA_VERSION_PATCH 0
#define LZMA_VERSION_STABILITY LZMA_VERSION_STABILITY_STABLE
#ifndef LZMA_VERSION_COMMIT
# define LZMA_VERSION_COMMIT ""
#endif
/*
* Map symbolic stability levels to integers.
*/
#define LZMA_VERSION_STABILITY_ALPHA 0
#define LZMA_VERSION_STABILITY_BETA 1
#define LZMA_VERSION_STABILITY_STABLE 2
/**
* \brief Compile-time version number
*
* The version number is of format xyyyzzzs where
* - x = major
* - yyy = minor
* - zzz = revision
* - s indicates stability: 0 = alpha, 1 = beta, 2 = stable
*
* The same xyyyzzz triplet is never reused with different stability levels.
* For example, if 5.1.0alpha has been released, there will never be 5.1.0beta
* or 5.1.0 stable.
*
* \note The version number of liblzma has nothing to with
* the version number of Igor Pavlov's LZMA SDK.
*/
#define LZMA_VERSION (LZMA_VERSION_MAJOR * UINT32_C(10000000) \
+ LZMA_VERSION_MINOR * UINT32_C(10000) \
+ LZMA_VERSION_PATCH * UINT32_C(10) \
+ LZMA_VERSION_STABILITY)
/*
* Macros to construct the compile-time version string
*/
#if LZMA_VERSION_STABILITY == LZMA_VERSION_STABILITY_ALPHA
# define LZMA_VERSION_STABILITY_STRING "alpha"
#elif LZMA_VERSION_STABILITY == LZMA_VERSION_STABILITY_BETA
# define LZMA_VERSION_STABILITY_STRING "beta"
#elif LZMA_VERSION_STABILITY == LZMA_VERSION_STABILITY_STABLE
# define LZMA_VERSION_STABILITY_STRING ""
#else
# error Incorrect LZMA_VERSION_STABILITY
#endif
#define LZMA_VERSION_STRING_C_(major, minor, patch, stability, commit) \
#major "." #minor "." #patch stability commit
#define LZMA_VERSION_STRING_C(major, minor, patch, stability, commit) \
LZMA_VERSION_STRING_C_(major, minor, patch, stability, commit)
/**
* \brief Compile-time version as a string
*
* This can be for example "4.999.5alpha", "4.999.8beta", or "5.0.0" (stable
* versions don't have any "stable" suffix). In future, a snapshot built
* from source code repository may include an additional suffix, for example
* "4.999.8beta-21-g1d92". The commit ID won't be available in numeric form
* in LZMA_VERSION macro.
*/
#define LZMA_VERSION_STRING LZMA_VERSION_STRING_C( \
LZMA_VERSION_MAJOR, LZMA_VERSION_MINOR, \
LZMA_VERSION_PATCH, LZMA_VERSION_STABILITY_STRING, \
LZMA_VERSION_COMMIT)
/* #ifndef is needed for use with windres (MinGW or Cygwin). */
#ifndef LZMA_H_INTERNAL_RC
/**
* \brief Run-time version number as an integer
*
* Return the value of LZMA_VERSION macro at the compile time of liblzma.
* This allows the application to compare if it was built against the same,
* older, or newer version of liblzma that is currently running.
*/
extern LZMA_API(uint32_t) lzma_version_number(void)
lzma_nothrow lzma_attr_const;
/**
* \brief Run-time version as a string
*
* This function may be useful if you want to display which version of
* liblzma your application is currently using.
*/
extern LZMA_API(const char *) lzma_version_string(void)
lzma_nothrow lzma_attr_const;
#endif

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/**
* \file lzma/vli.h
* \brief Variable-length integer handling
*
* In the .xz format, most integers are encoded in a variable-length
* representation, which is sometimes called little endian base-128 encoding.
* This saves space when smaller values are more likely than bigger values.
*
* The encoding scheme encodes seven bits to every byte, using minimum
* number of bytes required to represent the given value. Encodings that use
* non-minimum number of bytes are invalid, thus every integer has exactly
* one encoded representation. The maximum number of bits in a VLI is 63,
* thus the vli argument must be less than or equal to UINT64_MAX / 2. You
* should use LZMA_VLI_MAX for clarity.
*/
/*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* See ../lzma.h for information about liblzma as a whole.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Maximum supported value of a variable-length integer
*/
#define LZMA_VLI_MAX (UINT64_MAX / 2)
/**
* \brief VLI value to denote that the value is unknown
*/
#define LZMA_VLI_UNKNOWN UINT64_MAX
/**
* \brief Maximum supported encoded length of variable length integers
*/
#define LZMA_VLI_BYTES_MAX 9
/**
* \brief VLI constant suffix
*/
#define LZMA_VLI_C(n) UINT64_C(n)
/**
* \brief Variable-length integer type
*
* Valid VLI values are in the range [0, LZMA_VLI_MAX]. Unknown value is
* indicated with LZMA_VLI_UNKNOWN, which is the maximum value of the
* underlaying integer type.
*
* lzma_vli will be uint64_t for the foreseeable future. If a bigger size
* is needed in the future, it is guaranteed that 2 * LZMA_VLI_MAX will
* not overflow lzma_vli. This simplifies integer overflow detection.
*/
typedef uint64_t lzma_vli;
/**
* \brief Validate a variable-length integer
*
* This is useful to test that application has given acceptable values
* for example in the uncompressed_size and compressed_size variables.
*
* \return True if the integer is representable as VLI or if it
* indicates unknown value.
*/
#define lzma_vli_is_valid(vli) \
((vli) <= LZMA_VLI_MAX || (vli) == LZMA_VLI_UNKNOWN)
/**
* \brief Encode a variable-length integer
*
* This function has two modes: single-call and multi-call. Single-call mode
* encodes the whole integer at once; it is an error if the output buffer is
* too small. Multi-call mode saves the position in *vli_pos, and thus it is
* possible to continue encoding if the buffer becomes full before the whole
* integer has been encoded.
*
* \param vli Integer to be encoded
* \param vli_pos How many VLI-encoded bytes have already been written
* out. When starting to encode a new integer in
* multi-call mode, *vli_pos must be set to zero.
* To use single-call encoding, set vli_pos to NULL.
* \param out Beginning of the output buffer
* \param out_pos The next byte will be written to out[*out_pos].
* \param out_size Size of the out buffer; the first byte into
* which no data is written to is out[out_size].
*
* \return Slightly different return values are used in multi-call and
* single-call modes.
*
* Single-call (vli_pos == NULL):
* - LZMA_OK: Integer successfully encoded.
* - LZMA_PROG_ERROR: Arguments are not sane. This can be due
* to too little output space; single-call mode doesn't use
* LZMA_BUF_ERROR, since the application should have checked
* the encoded size with lzma_vli_size().
*
* Multi-call (vli_pos != NULL):
* - LZMA_OK: So far all OK, but the integer is not
* completely written out yet.
* - LZMA_STREAM_END: Integer successfully encoded.
* - LZMA_BUF_ERROR: No output space was provided.
* - LZMA_PROG_ERROR: Arguments are not sane.
*/
extern LZMA_API(lzma_ret) lzma_vli_encode(lzma_vli vli, size_t *vli_pos,
uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow;
/**
* \brief Decode a variable-length integer
*
* Like lzma_vli_encode(), this function has single-call and multi-call modes.
*
* \param vli Pointer to decoded integer. The decoder will
* initialize it to zero when *vli_pos == 0, so
* application isn't required to initialize *vli.
* \param vli_pos How many bytes have already been decoded. When
* starting to decode a new integer in multi-call
* mode, *vli_pos must be initialized to zero. To
* use single-call decoding, set vli_pos to NULL.
* \param in Beginning of the input buffer
* \param in_pos The next byte will be read from in[*in_pos].
* \param in_size Size of the input buffer; the first byte that
* won't be read is in[in_size].
*
* \return Slightly different return values are used in multi-call and
* single-call modes.
*
* Single-call (vli_pos == NULL):
* - LZMA_OK: Integer successfully decoded.
* - LZMA_DATA_ERROR: Integer is corrupt. This includes hitting
* the end of the input buffer before the whole integer was
* decoded; providing no input at all will use LZMA_DATA_ERROR.
* - LZMA_PROG_ERROR: Arguments are not sane.
*
* Multi-call (vli_pos != NULL):
* - LZMA_OK: So far all OK, but the integer is not
* completely decoded yet.
* - LZMA_STREAM_END: Integer successfully decoded.
* - LZMA_DATA_ERROR: Integer is corrupt.
* - LZMA_BUF_ERROR: No input was provided.
* - LZMA_PROG_ERROR: Arguments are not sane.
*/
extern LZMA_API(lzma_ret) lzma_vli_decode(lzma_vli *vli, size_t *vli_pos,
const uint8_t *in, size_t *in_pos, size_t in_size)
lzma_nothrow;
/**
* \brief Get the number of bytes required to encode a VLI
*
* \return Number of bytes on success (1-9). If vli isn't valid,
* zero is returned.
*/
extern LZMA_API(uint32_t) lzma_vli_size(lzma_vli vli)
lzma_nothrow lzma_attr_pure;

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///////////////////////////////////////////////////////////////////////////////
//
/// \file check.c
/// \brief Single API to access different integrity checks
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "check.h"
extern LZMA_API(lzma_bool)
lzma_check_is_supported(lzma_check type)
{
if ((unsigned int)(type) > LZMA_CHECK_ID_MAX)
return false;
static const lzma_bool available_checks[LZMA_CHECK_ID_MAX + 1] = {
true, // LZMA_CHECK_NONE
#ifdef HAVE_CHECK_CRC32
true,
#else
false,
#endif
false, // Reserved
false, // Reserved
#ifdef HAVE_CHECK_CRC64
true,
#else
false,
#endif
false, // Reserved
false, // Reserved
false, // Reserved
false, // Reserved
false, // Reserved
#ifdef HAVE_CHECK_SHA256
true,
#else
false,
#endif
false, // Reserved
false, // Reserved
false, // Reserved
false, // Reserved
false, // Reserved
};
return available_checks[(unsigned int)(type)];
}
extern LZMA_API(uint32_t)
lzma_check_size(lzma_check type)
{
if ((unsigned int)(type) > LZMA_CHECK_ID_MAX)
return UINT32_MAX;
// See file-format.txt section 2.1.1.2.
static const uint8_t check_sizes[LZMA_CHECK_ID_MAX + 1] = {
0,
4, 4, 4,
8, 8, 8,
16, 16, 16,
32, 32, 32,
64, 64, 64
};
return check_sizes[(unsigned int)(type)];
}
extern void
lzma_check_init(lzma_check_state *check, lzma_check type)
{
switch (type) {
case LZMA_CHECK_NONE:
break;
#ifdef HAVE_CHECK_CRC32
case LZMA_CHECK_CRC32:
check->state.crc32 = 0;
break;
#endif
#ifdef HAVE_CHECK_CRC64
case LZMA_CHECK_CRC64:
check->state.crc64 = 0;
break;
#endif
#ifdef HAVE_CHECK_SHA256
case LZMA_CHECK_SHA256:
lzma_sha256_init(check);
break;
#endif
default:
break;
}
return;
}
extern void
lzma_check_update(lzma_check_state *check, lzma_check type,
const uint8_t *buf, size_t size)
{
switch (type) {
#ifdef HAVE_CHECK_CRC32
case LZMA_CHECK_CRC32:
check->state.crc32 = lzma_crc32(buf, size, check->state.crc32);
break;
#endif
#ifdef HAVE_CHECK_CRC64
case LZMA_CHECK_CRC64:
check->state.crc64 = lzma_crc64(buf, size, check->state.crc64);
break;
#endif
#ifdef HAVE_CHECK_SHA256
case LZMA_CHECK_SHA256:
lzma_sha256_update(buf, size, check);
break;
#endif
default:
break;
}
return;
}
extern void
lzma_check_finish(lzma_check_state *check, lzma_check type)
{
switch (type) {
#ifdef HAVE_CHECK_CRC32
case LZMA_CHECK_CRC32:
check->buffer.u32[0] = conv32le(check->state.crc32);
break;
#endif
#ifdef HAVE_CHECK_CRC64
case LZMA_CHECK_CRC64:
check->buffer.u64[0] = conv64le(check->state.crc64);
break;
#endif
#ifdef HAVE_CHECK_SHA256
case LZMA_CHECK_SHA256:
lzma_sha256_finish(check);
break;
#endif
default:
break;
}
return;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file check.h
/// \brief Internal API to different integrity check functions
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_CHECK_H
#define LZMA_CHECK_H
#include "common.h"
#ifdef NETBSD_NATIVE_SHA256
#include <sha2.h>
#endif
// Index hashing needs the best possible hash function (preferably
// a cryptographic hash) for maximum reliability.
#if defined(HAVE_CHECK_SHA256)
# define LZMA_CHECK_BEST LZMA_CHECK_SHA256
#elif defined(HAVE_CHECK_CRC64)
# define LZMA_CHECK_BEST LZMA_CHECK_CRC64
#else
# define LZMA_CHECK_BEST LZMA_CHECK_CRC32
#endif
/// \brief Structure to hold internal state of the check being calculated
///
/// \note This is not in the public API because this structure may
/// change in future if new integrity check algorithms are added.
typedef struct {
/// Buffer to hold the final result and a temporary buffer for SHA256.
union {
uint8_t u8[64];
uint32_t u32[16];
uint64_t u64[8];
} buffer;
/// Check-specific data
union {
uint32_t crc32;
uint64_t crc64;
#ifdef NETBSD_NATIVE_SHA256
SHA256_CTX sha256;
#else
struct {
/// Internal state
uint32_t state[8];
/// Size of the message excluding padding
uint64_t size;
} sha256;
#endif
} state;
} lzma_check_state;
/// lzma_crc32_table[0] is needed by LZ encoder so we need to keep
/// the array two-dimensional.
#ifdef HAVE_SMALL
extern uint32_t lzma_crc32_table[1][256];
extern void lzma_crc32_init(void);
#else
extern const uint32_t lzma_crc32_table[8][256];
extern const uint64_t lzma_crc64_table[4][256];
#endif
/// \brief Initialize *check depending on type
///
/// \return LZMA_OK on success. LZMA_UNSUPPORTED_CHECK if the type is not
/// supported by the current version or build of liblzma.
/// LZMA_PROG_ERROR if type > LZMA_CHECK_ID_MAX.
extern void lzma_check_init(lzma_check_state *check, lzma_check type);
/// Update the check state
extern void lzma_check_update(lzma_check_state *check, lzma_check type,
const uint8_t *buf, size_t size);
/// Finish the check calculation and store the result to check->buffer.u8.
extern void lzma_check_finish(lzma_check_state *check, lzma_check type);
#ifdef NETBSD_NATIVE_SHA256
#define lzma_sha256_init(check) \
SHA256_Init(&(check)->state.sha256)
#define lzma_sha256_update(buf,size,check) \
SHA256_Update(&(check)->state.sha256, buf, size)
#define lzma_sha256_finish(check) \
SHA256_Final((check)->buffer.u8, &(check)->state.sha256)
#else
/// Prepare SHA-256 state for new input.
extern void lzma_sha256_init(lzma_check_state *check);
/// Update the SHA-256 hash state
extern void lzma_sha256_update(
const uint8_t *buf, size_t size, lzma_check_state *check);
/// Finish the SHA-256 calculation and store the result to check->buffer.u8.
extern void lzma_sha256_finish(lzma_check_state *check);
#endif
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file crc32.c
/// \brief CRC32 calculation
///
/// Calculate the CRC32 using the slice-by-eight algorithm.
/// It is explained in this document:
/// http://www.intel.com/technology/comms/perfnet/download/CRC_generators.pdf
/// The code in this file is not the same as in Intel's paper, but
/// the basic principle is identical.
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "check.h"
#include "crc_macros.h"
// If you make any changes, do some bench marking! Seemingly unrelated
// changes can very easily ruin the performance (and very probably is
// very compiler dependent).
extern LZMA_API(uint32_t)
lzma_crc32(const uint8_t *buf, size_t size, uint32_t crc)
{
crc = ~crc;
#ifdef WORDS_BIGENDIAN
crc = bswap32(crc);
#endif
if (size > 8) {
// Fix the alignment, if needed. The if statement above
// ensures that this won't read past the end of buf[].
while ((uintptr_t)(buf) & 7) {
crc = lzma_crc32_table[0][*buf++ ^ A(crc)] ^ S8(crc);
--size;
}
// Calculate the position where to stop.
const uint8_t *const limit = buf + (size & ~(size_t)(7));
// Calculate how many bytes must be calculated separately
// before returning the result.
size &= (size_t)(7);
// Calculate the CRC32 using the slice-by-eight algorithm.
while (buf < limit) {
crc ^= *(const uint32_t *)(buf);
buf += 4;
crc = lzma_crc32_table[7][A(crc)]
^ lzma_crc32_table[6][B(crc)]
^ lzma_crc32_table[5][C(crc)]
^ lzma_crc32_table[4][D(crc)];
const uint32_t tmp = *(const uint32_t *)(buf);
buf += 4;
// At least with some compilers, it is critical for
// performance, that the crc variable is XORed
// between the two table-lookup pairs.
crc = lzma_crc32_table[3][A(tmp)]
^ lzma_crc32_table[2][B(tmp)]
^ crc
^ lzma_crc32_table[1][C(tmp)]
^ lzma_crc32_table[0][D(tmp)];
}
}
while (size-- != 0)
crc = lzma_crc32_table[0][*buf++ ^ A(crc)] ^ S8(crc);
#ifdef WORDS_BIGENDIAN
crc = bswap32(crc);
#endif
return ~crc;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file crc32_small.c
/// \brief CRC32 calculation (size-optimized)
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "check.h"
uint32_t lzma_crc32_table[1][256];
static void
crc32_init(void)
{
static const uint32_t poly32 = UINT32_C(0xEDB88320);
for (size_t b = 0; b < 256; ++b) {
uint32_t r = b;
for (size_t i = 0; i < 8; ++i) {
if (r & 1)
r = (r >> 1) ^ poly32;
else
r >>= 1;
}
lzma_crc32_table[0][b] = r;
}
return;
}
extern void
lzma_crc32_init(void)
{
mythread_once(crc32_init);
return;
}
extern LZMA_API(uint32_t)
lzma_crc32(const uint8_t *buf, size_t size, uint32_t crc)
{
lzma_crc32_init();
crc = ~crc;
while (size != 0) {
crc = lzma_crc32_table[0][*buf++ ^ (crc & 0xFF)] ^ (crc >> 8);
--size;
}
return ~crc;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file crc32_table.c
/// \brief Precalculated CRC32 table with correct endianness
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#ifdef WORDS_BIGENDIAN
# include "crc32_table_be.h"
#else
# include "crc32_table_le.h"
#endif

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/* This file has been automatically generated by crc32_tablegen.c. */
const uint32_t lzma_crc32_table[8][256] = {
{
0x00000000, 0x96300777, 0x2C610EEE, 0xBA510999,
0x19C46D07, 0x8FF46A70, 0x35A563E9, 0xA395649E,
0x3288DB0E, 0xA4B8DC79, 0x1EE9D5E0, 0x88D9D297,
0x2B4CB609, 0xBD7CB17E, 0x072DB8E7, 0x911DBF90,
0x6410B71D, 0xF220B06A, 0x4871B9F3, 0xDE41BE84,
0x7DD4DA1A, 0xEBE4DD6D, 0x51B5D4F4, 0xC785D383,
0x56986C13, 0xC0A86B64, 0x7AF962FD, 0xECC9658A,
0x4F5C0114, 0xD96C0663, 0x633D0FFA, 0xF50D088D,
0xC8206E3B, 0x5E10694C, 0xE44160D5, 0x727167A2,
0xD1E4033C, 0x47D4044B, 0xFD850DD2, 0x6BB50AA5,
0xFAA8B535, 0x6C98B242, 0xD6C9BBDB, 0x40F9BCAC,
0xE36CD832, 0x755CDF45, 0xCF0DD6DC, 0x593DD1AB,
0xAC30D926, 0x3A00DE51, 0x8051D7C8, 0x1661D0BF,
0xB5F4B421, 0x23C4B356, 0x9995BACF, 0x0FA5BDB8,
0x9EB80228, 0x0888055F, 0xB2D90CC6, 0x24E90BB1,
0x877C6F2F, 0x114C6858, 0xAB1D61C1, 0x3D2D66B6,
0x9041DC76, 0x0671DB01, 0xBC20D298, 0x2A10D5EF,
0x8985B171, 0x1FB5B606, 0xA5E4BF9F, 0x33D4B8E8,
0xA2C90778, 0x34F9000F, 0x8EA80996, 0x18980EE1,
0xBB0D6A7F, 0x2D3D6D08, 0x976C6491, 0x015C63E6,
0xF4516B6B, 0x62616C1C, 0xD8306585, 0x4E0062F2,
0xED95066C, 0x7BA5011B, 0xC1F40882, 0x57C40FF5,
0xC6D9B065, 0x50E9B712, 0xEAB8BE8B, 0x7C88B9FC,
0xDF1DDD62, 0x492DDA15, 0xF37CD38C, 0x654CD4FB,
0x5861B24D, 0xCE51B53A, 0x7400BCA3, 0xE230BBD4,
0x41A5DF4A, 0xD795D83D, 0x6DC4D1A4, 0xFBF4D6D3,
0x6AE96943, 0xFCD96E34, 0x468867AD, 0xD0B860DA,
0x732D0444, 0xE51D0333, 0x5F4C0AAA, 0xC97C0DDD,
0x3C710550, 0xAA410227, 0x10100BBE, 0x86200CC9,
0x25B56857, 0xB3856F20, 0x09D466B9, 0x9FE461CE,
0x0EF9DE5E, 0x98C9D929, 0x2298D0B0, 0xB4A8D7C7,
0x173DB359, 0x810DB42E, 0x3B5CBDB7, 0xAD6CBAC0,
0x2083B8ED, 0xB6B3BF9A, 0x0CE2B603, 0x9AD2B174,
0x3947D5EA, 0xAF77D29D, 0x1526DB04, 0x8316DC73,
0x120B63E3, 0x843B6494, 0x3E6A6D0D, 0xA85A6A7A,
0x0BCF0EE4, 0x9DFF0993, 0x27AE000A, 0xB19E077D,
0x44930FF0, 0xD2A30887, 0x68F2011E, 0xFEC20669,
0x5D5762F7, 0xCB676580, 0x71366C19, 0xE7066B6E,
0x761BD4FE, 0xE02BD389, 0x5A7ADA10, 0xCC4ADD67,
0x6FDFB9F9, 0xF9EFBE8E, 0x43BEB717, 0xD58EB060,
0xE8A3D6D6, 0x7E93D1A1, 0xC4C2D838, 0x52F2DF4F,
0xF167BBD1, 0x6757BCA6, 0xDD06B53F, 0x4B36B248,
0xDA2B0DD8, 0x4C1B0AAF, 0xF64A0336, 0x607A0441,
0xC3EF60DF, 0x55DF67A8, 0xEF8E6E31, 0x79BE6946,
0x8CB361CB, 0x1A8366BC, 0xA0D26F25, 0x36E26852,
0x95770CCC, 0x03470BBB, 0xB9160222, 0x2F260555,
0xBE3BBAC5, 0x280BBDB2, 0x925AB42B, 0x046AB35C,
0xA7FFD7C2, 0x31CFD0B5, 0x8B9ED92C, 0x1DAEDE5B,
0xB0C2649B, 0x26F263EC, 0x9CA36A75, 0x0A936D02,
0xA906099C, 0x3F360EEB, 0x85670772, 0x13570005,
0x824ABF95, 0x147AB8E2, 0xAE2BB17B, 0x381BB60C,
0x9B8ED292, 0x0DBED5E5, 0xB7EFDC7C, 0x21DFDB0B,
0xD4D2D386, 0x42E2D4F1, 0xF8B3DD68, 0x6E83DA1F,
0xCD16BE81, 0x5B26B9F6, 0xE177B06F, 0x7747B718,
0xE65A0888, 0x706A0FFF, 0xCA3B0666, 0x5C0B0111,
0xFF9E658F, 0x69AE62F8, 0xD3FF6B61, 0x45CF6C16,
0x78E20AA0, 0xEED20DD7, 0x5483044E, 0xC2B30339,
0x612667A7, 0xF71660D0, 0x4D476949, 0xDB776E3E,
0x4A6AD1AE, 0xDC5AD6D9, 0x660BDF40, 0xF03BD837,
0x53AEBCA9, 0xC59EBBDE, 0x7FCFB247, 0xE9FFB530,
0x1CF2BDBD, 0x8AC2BACA, 0x3093B353, 0xA6A3B424,
0x0536D0BA, 0x9306D7CD, 0x2957DE54, 0xBF67D923,
0x2E7A66B3, 0xB84A61C4, 0x021B685D, 0x942B6F2A,
0x37BE0BB4, 0xA18E0CC3, 0x1BDF055A, 0x8DEF022D
}, {
0x00000000, 0x41311B19, 0x82623632, 0xC3532D2B,
0x04C56C64, 0x45F4777D, 0x86A75A56, 0xC796414F,
0x088AD9C8, 0x49BBC2D1, 0x8AE8EFFA, 0xCBD9F4E3,
0x0C4FB5AC, 0x4D7EAEB5, 0x8E2D839E, 0xCF1C9887,
0x5112C24A, 0x1023D953, 0xD370F478, 0x9241EF61,
0x55D7AE2E, 0x14E6B537, 0xD7B5981C, 0x96848305,
0x59981B82, 0x18A9009B, 0xDBFA2DB0, 0x9ACB36A9,
0x5D5D77E6, 0x1C6C6CFF, 0xDF3F41D4, 0x9E0E5ACD,
0xA2248495, 0xE3159F8C, 0x2046B2A7, 0x6177A9BE,
0xA6E1E8F1, 0xE7D0F3E8, 0x2483DEC3, 0x65B2C5DA,
0xAAAE5D5D, 0xEB9F4644, 0x28CC6B6F, 0x69FD7076,
0xAE6B3139, 0xEF5A2A20, 0x2C09070B, 0x6D381C12,
0xF33646DF, 0xB2075DC6, 0x715470ED, 0x30656BF4,
0xF7F32ABB, 0xB6C231A2, 0x75911C89, 0x34A00790,
0xFBBC9F17, 0xBA8D840E, 0x79DEA925, 0x38EFB23C,
0xFF79F373, 0xBE48E86A, 0x7D1BC541, 0x3C2ADE58,
0x054F79F0, 0x447E62E9, 0x872D4FC2, 0xC61C54DB,
0x018A1594, 0x40BB0E8D, 0x83E823A6, 0xC2D938BF,
0x0DC5A038, 0x4CF4BB21, 0x8FA7960A, 0xCE968D13,
0x0900CC5C, 0x4831D745, 0x8B62FA6E, 0xCA53E177,
0x545DBBBA, 0x156CA0A3, 0xD63F8D88, 0x970E9691,
0x5098D7DE, 0x11A9CCC7, 0xD2FAE1EC, 0x93CBFAF5,
0x5CD76272, 0x1DE6796B, 0xDEB55440, 0x9F844F59,
0x58120E16, 0x1923150F, 0xDA703824, 0x9B41233D,
0xA76BFD65, 0xE65AE67C, 0x2509CB57, 0x6438D04E,
0xA3AE9101, 0xE29F8A18, 0x21CCA733, 0x60FDBC2A,
0xAFE124AD, 0xEED03FB4, 0x2D83129F, 0x6CB20986,
0xAB2448C9, 0xEA1553D0, 0x29467EFB, 0x687765E2,
0xF6793F2F, 0xB7482436, 0x741B091D, 0x352A1204,
0xF2BC534B, 0xB38D4852, 0x70DE6579, 0x31EF7E60,
0xFEF3E6E7, 0xBFC2FDFE, 0x7C91D0D5, 0x3DA0CBCC,
0xFA368A83, 0xBB07919A, 0x7854BCB1, 0x3965A7A8,
0x4B98833B, 0x0AA99822, 0xC9FAB509, 0x88CBAE10,
0x4F5DEF5F, 0x0E6CF446, 0xCD3FD96D, 0x8C0EC274,
0x43125AF3, 0x022341EA, 0xC1706CC1, 0x804177D8,
0x47D73697, 0x06E62D8E, 0xC5B500A5, 0x84841BBC,
0x1A8A4171, 0x5BBB5A68, 0x98E87743, 0xD9D96C5A,
0x1E4F2D15, 0x5F7E360C, 0x9C2D1B27, 0xDD1C003E,
0x120098B9, 0x533183A0, 0x9062AE8B, 0xD153B592,
0x16C5F4DD, 0x57F4EFC4, 0x94A7C2EF, 0xD596D9F6,
0xE9BC07AE, 0xA88D1CB7, 0x6BDE319C, 0x2AEF2A85,
0xED796BCA, 0xAC4870D3, 0x6F1B5DF8, 0x2E2A46E1,
0xE136DE66, 0xA007C57F, 0x6354E854, 0x2265F34D,
0xE5F3B202, 0xA4C2A91B, 0x67918430, 0x26A09F29,
0xB8AEC5E4, 0xF99FDEFD, 0x3ACCF3D6, 0x7BFDE8CF,
0xBC6BA980, 0xFD5AB299, 0x3E099FB2, 0x7F3884AB,
0xB0241C2C, 0xF1150735, 0x32462A1E, 0x73773107,
0xB4E17048, 0xF5D06B51, 0x3683467A, 0x77B25D63,
0x4ED7FACB, 0x0FE6E1D2, 0xCCB5CCF9, 0x8D84D7E0,
0x4A1296AF, 0x0B238DB6, 0xC870A09D, 0x8941BB84,
0x465D2303, 0x076C381A, 0xC43F1531, 0x850E0E28,
0x42984F67, 0x03A9547E, 0xC0FA7955, 0x81CB624C,
0x1FC53881, 0x5EF42398, 0x9DA70EB3, 0xDC9615AA,
0x1B0054E5, 0x5A314FFC, 0x996262D7, 0xD85379CE,
0x174FE149, 0x567EFA50, 0x952DD77B, 0xD41CCC62,
0x138A8D2D, 0x52BB9634, 0x91E8BB1F, 0xD0D9A006,
0xECF37E5E, 0xADC26547, 0x6E91486C, 0x2FA05375,
0xE836123A, 0xA9070923, 0x6A542408, 0x2B653F11,
0xE479A796, 0xA548BC8F, 0x661B91A4, 0x272A8ABD,
0xE0BCCBF2, 0xA18DD0EB, 0x62DEFDC0, 0x23EFE6D9,
0xBDE1BC14, 0xFCD0A70D, 0x3F838A26, 0x7EB2913F,
0xB924D070, 0xF815CB69, 0x3B46E642, 0x7A77FD5B,
0xB56B65DC, 0xF45A7EC5, 0x370953EE, 0x763848F7,
0xB1AE09B8, 0xF09F12A1, 0x33CC3F8A, 0x72FD2493
}, {
0x00000000, 0x376AC201, 0x6ED48403, 0x59BE4602,
0xDCA80907, 0xEBC2CB06, 0xB27C8D04, 0x85164F05,
0xB851130E, 0x8F3BD10F, 0xD685970D, 0xE1EF550C,
0x64F91A09, 0x5393D808, 0x0A2D9E0A, 0x3D475C0B,
0x70A3261C, 0x47C9E41D, 0x1E77A21F, 0x291D601E,
0xAC0B2F1B, 0x9B61ED1A, 0xC2DFAB18, 0xF5B56919,
0xC8F23512, 0xFF98F713, 0xA626B111, 0x914C7310,
0x145A3C15, 0x2330FE14, 0x7A8EB816, 0x4DE47A17,
0xE0464D38, 0xD72C8F39, 0x8E92C93B, 0xB9F80B3A,
0x3CEE443F, 0x0B84863E, 0x523AC03C, 0x6550023D,
0x58175E36, 0x6F7D9C37, 0x36C3DA35, 0x01A91834,
0x84BF5731, 0xB3D59530, 0xEA6BD332, 0xDD011133,
0x90E56B24, 0xA78FA925, 0xFE31EF27, 0xC95B2D26,
0x4C4D6223, 0x7B27A022, 0x2299E620, 0x15F32421,
0x28B4782A, 0x1FDEBA2B, 0x4660FC29, 0x710A3E28,
0xF41C712D, 0xC376B32C, 0x9AC8F52E, 0xADA2372F,
0xC08D9A70, 0xF7E75871, 0xAE591E73, 0x9933DC72,
0x1C259377, 0x2B4F5176, 0x72F11774, 0x459BD575,
0x78DC897E, 0x4FB64B7F, 0x16080D7D, 0x2162CF7C,
0xA4748079, 0x931E4278, 0xCAA0047A, 0xFDCAC67B,
0xB02EBC6C, 0x87447E6D, 0xDEFA386F, 0xE990FA6E,
0x6C86B56B, 0x5BEC776A, 0x02523168, 0x3538F369,
0x087FAF62, 0x3F156D63, 0x66AB2B61, 0x51C1E960,
0xD4D7A665, 0xE3BD6464, 0xBA032266, 0x8D69E067,
0x20CBD748, 0x17A11549, 0x4E1F534B, 0x7975914A,
0xFC63DE4F, 0xCB091C4E, 0x92B75A4C, 0xA5DD984D,
0x989AC446, 0xAFF00647, 0xF64E4045, 0xC1248244,
0x4432CD41, 0x73580F40, 0x2AE64942, 0x1D8C8B43,
0x5068F154, 0x67023355, 0x3EBC7557, 0x09D6B756,
0x8CC0F853, 0xBBAA3A52, 0xE2147C50, 0xD57EBE51,
0xE839E25A, 0xDF53205B, 0x86ED6659, 0xB187A458,
0x3491EB5D, 0x03FB295C, 0x5A456F5E, 0x6D2FAD5F,
0x801B35E1, 0xB771F7E0, 0xEECFB1E2, 0xD9A573E3,
0x5CB33CE6, 0x6BD9FEE7, 0x3267B8E5, 0x050D7AE4,
0x384A26EF, 0x0F20E4EE, 0x569EA2EC, 0x61F460ED,
0xE4E22FE8, 0xD388EDE9, 0x8A36ABEB, 0xBD5C69EA,
0xF0B813FD, 0xC7D2D1FC, 0x9E6C97FE, 0xA90655FF,
0x2C101AFA, 0x1B7AD8FB, 0x42C49EF9, 0x75AE5CF8,
0x48E900F3, 0x7F83C2F2, 0x263D84F0, 0x115746F1,
0x944109F4, 0xA32BCBF5, 0xFA958DF7, 0xCDFF4FF6,
0x605D78D9, 0x5737BAD8, 0x0E89FCDA, 0x39E33EDB,
0xBCF571DE, 0x8B9FB3DF, 0xD221F5DD, 0xE54B37DC,
0xD80C6BD7, 0xEF66A9D6, 0xB6D8EFD4, 0x81B22DD5,
0x04A462D0, 0x33CEA0D1, 0x6A70E6D3, 0x5D1A24D2,
0x10FE5EC5, 0x27949CC4, 0x7E2ADAC6, 0x494018C7,
0xCC5657C2, 0xFB3C95C3, 0xA282D3C1, 0x95E811C0,
0xA8AF4DCB, 0x9FC58FCA, 0xC67BC9C8, 0xF1110BC9,
0x740744CC, 0x436D86CD, 0x1AD3C0CF, 0x2DB902CE,
0x4096AF91, 0x77FC6D90, 0x2E422B92, 0x1928E993,
0x9C3EA696, 0xAB546497, 0xF2EA2295, 0xC580E094,
0xF8C7BC9F, 0xCFAD7E9E, 0x9613389C, 0xA179FA9D,
0x246FB598, 0x13057799, 0x4ABB319B, 0x7DD1F39A,
0x3035898D, 0x075F4B8C, 0x5EE10D8E, 0x698BCF8F,
0xEC9D808A, 0xDBF7428B, 0x82490489, 0xB523C688,
0x88649A83, 0xBF0E5882, 0xE6B01E80, 0xD1DADC81,
0x54CC9384, 0x63A65185, 0x3A181787, 0x0D72D586,
0xA0D0E2A9, 0x97BA20A8, 0xCE0466AA, 0xF96EA4AB,
0x7C78EBAE, 0x4B1229AF, 0x12AC6FAD, 0x25C6ADAC,
0x1881F1A7, 0x2FEB33A6, 0x765575A4, 0x413FB7A5,
0xC429F8A0, 0xF3433AA1, 0xAAFD7CA3, 0x9D97BEA2,
0xD073C4B5, 0xE71906B4, 0xBEA740B6, 0x89CD82B7,
0x0CDBCDB2, 0x3BB10FB3, 0x620F49B1, 0x55658BB0,
0x6822D7BB, 0x5F4815BA, 0x06F653B8, 0x319C91B9,
0xB48ADEBC, 0x83E01CBD, 0xDA5E5ABF, 0xED3498BE
}, {
0x00000000, 0x6567BCB8, 0x8BC809AA, 0xEEAFB512,
0x5797628F, 0x32F0DE37, 0xDC5F6B25, 0xB938D79D,
0xEF28B4C5, 0x8A4F087D, 0x64E0BD6F, 0x018701D7,
0xB8BFD64A, 0xDDD86AF2, 0x3377DFE0, 0x56106358,
0x9F571950, 0xFA30A5E8, 0x149F10FA, 0x71F8AC42,
0xC8C07BDF, 0xADA7C767, 0x43087275, 0x266FCECD,
0x707FAD95, 0x1518112D, 0xFBB7A43F, 0x9ED01887,
0x27E8CF1A, 0x428F73A2, 0xAC20C6B0, 0xC9477A08,
0x3EAF32A0, 0x5BC88E18, 0xB5673B0A, 0xD00087B2,
0x6938502F, 0x0C5FEC97, 0xE2F05985, 0x8797E53D,
0xD1878665, 0xB4E03ADD, 0x5A4F8FCF, 0x3F283377,
0x8610E4EA, 0xE3775852, 0x0DD8ED40, 0x68BF51F8,
0xA1F82BF0, 0xC49F9748, 0x2A30225A, 0x4F579EE2,
0xF66F497F, 0x9308F5C7, 0x7DA740D5, 0x18C0FC6D,
0x4ED09F35, 0x2BB7238D, 0xC518969F, 0xA07F2A27,
0x1947FDBA, 0x7C204102, 0x928FF410, 0xF7E848A8,
0x3D58149B, 0x583FA823, 0xB6901D31, 0xD3F7A189,
0x6ACF7614, 0x0FA8CAAC, 0xE1077FBE, 0x8460C306,
0xD270A05E, 0xB7171CE6, 0x59B8A9F4, 0x3CDF154C,
0x85E7C2D1, 0xE0807E69, 0x0E2FCB7B, 0x6B4877C3,
0xA20F0DCB, 0xC768B173, 0x29C70461, 0x4CA0B8D9,
0xF5986F44, 0x90FFD3FC, 0x7E5066EE, 0x1B37DA56,
0x4D27B90E, 0x284005B6, 0xC6EFB0A4, 0xA3880C1C,
0x1AB0DB81, 0x7FD76739, 0x9178D22B, 0xF41F6E93,
0x03F7263B, 0x66909A83, 0x883F2F91, 0xED589329,
0x546044B4, 0x3107F80C, 0xDFA84D1E, 0xBACFF1A6,
0xECDF92FE, 0x89B82E46, 0x67179B54, 0x027027EC,
0xBB48F071, 0xDE2F4CC9, 0x3080F9DB, 0x55E74563,
0x9CA03F6B, 0xF9C783D3, 0x176836C1, 0x720F8A79,
0xCB375DE4, 0xAE50E15C, 0x40FF544E, 0x2598E8F6,
0x73888BAE, 0x16EF3716, 0xF8408204, 0x9D273EBC,
0x241FE921, 0x41785599, 0xAFD7E08B, 0xCAB05C33,
0x3BB659ED, 0x5ED1E555, 0xB07E5047, 0xD519ECFF,
0x6C213B62, 0x094687DA, 0xE7E932C8, 0x828E8E70,
0xD49EED28, 0xB1F95190, 0x5F56E482, 0x3A31583A,
0x83098FA7, 0xE66E331F, 0x08C1860D, 0x6DA63AB5,
0xA4E140BD, 0xC186FC05, 0x2F294917, 0x4A4EF5AF,
0xF3762232, 0x96119E8A, 0x78BE2B98, 0x1DD99720,
0x4BC9F478, 0x2EAE48C0, 0xC001FDD2, 0xA566416A,
0x1C5E96F7, 0x79392A4F, 0x97969F5D, 0xF2F123E5,
0x05196B4D, 0x607ED7F5, 0x8ED162E7, 0xEBB6DE5F,
0x528E09C2, 0x37E9B57A, 0xD9460068, 0xBC21BCD0,
0xEA31DF88, 0x8F566330, 0x61F9D622, 0x049E6A9A,
0xBDA6BD07, 0xD8C101BF, 0x366EB4AD, 0x53090815,
0x9A4E721D, 0xFF29CEA5, 0x11867BB7, 0x74E1C70F,
0xCDD91092, 0xA8BEAC2A, 0x46111938, 0x2376A580,
0x7566C6D8, 0x10017A60, 0xFEAECF72, 0x9BC973CA,
0x22F1A457, 0x479618EF, 0xA939ADFD, 0xCC5E1145,
0x06EE4D76, 0x6389F1CE, 0x8D2644DC, 0xE841F864,
0x51792FF9, 0x341E9341, 0xDAB12653, 0xBFD69AEB,
0xE9C6F9B3, 0x8CA1450B, 0x620EF019, 0x07694CA1,
0xBE519B3C, 0xDB362784, 0x35999296, 0x50FE2E2E,
0x99B95426, 0xFCDEE89E, 0x12715D8C, 0x7716E134,
0xCE2E36A9, 0xAB498A11, 0x45E63F03, 0x208183BB,
0x7691E0E3, 0x13F65C5B, 0xFD59E949, 0x983E55F1,
0x2106826C, 0x44613ED4, 0xAACE8BC6, 0xCFA9377E,
0x38417FD6, 0x5D26C36E, 0xB389767C, 0xD6EECAC4,
0x6FD61D59, 0x0AB1A1E1, 0xE41E14F3, 0x8179A84B,
0xD769CB13, 0xB20E77AB, 0x5CA1C2B9, 0x39C67E01,
0x80FEA99C, 0xE5991524, 0x0B36A036, 0x6E511C8E,
0xA7166686, 0xC271DA3E, 0x2CDE6F2C, 0x49B9D394,
0xF0810409, 0x95E6B8B1, 0x7B490DA3, 0x1E2EB11B,
0x483ED243, 0x2D596EFB, 0xC3F6DBE9, 0xA6916751,
0x1FA9B0CC, 0x7ACE0C74, 0x9461B966, 0xF10605DE
}, {
0x00000000, 0xB029603D, 0x6053C07A, 0xD07AA047,
0xC0A680F5, 0x708FE0C8, 0xA0F5408F, 0x10DC20B2,
0xC14B7030, 0x7162100D, 0xA118B04A, 0x1131D077,
0x01EDF0C5, 0xB1C490F8, 0x61BE30BF, 0xD1975082,
0x8297E060, 0x32BE805D, 0xE2C4201A, 0x52ED4027,
0x42316095, 0xF21800A8, 0x2262A0EF, 0x924BC0D2,
0x43DC9050, 0xF3F5F06D, 0x238F502A, 0x93A63017,
0x837A10A5, 0x33537098, 0xE329D0DF, 0x5300B0E2,
0x042FC1C1, 0xB406A1FC, 0x647C01BB, 0xD4556186,
0xC4894134, 0x74A02109, 0xA4DA814E, 0x14F3E173,
0xC564B1F1, 0x754DD1CC, 0xA537718B, 0x151E11B6,
0x05C23104, 0xB5EB5139, 0x6591F17E, 0xD5B89143,
0x86B821A1, 0x3691419C, 0xE6EBE1DB, 0x56C281E6,
0x461EA154, 0xF637C169, 0x264D612E, 0x96640113,
0x47F35191, 0xF7DA31AC, 0x27A091EB, 0x9789F1D6,
0x8755D164, 0x377CB159, 0xE706111E, 0x572F7123,
0x4958F358, 0xF9719365, 0x290B3322, 0x9922531F,
0x89FE73AD, 0x39D71390, 0xE9ADB3D7, 0x5984D3EA,
0x88138368, 0x383AE355, 0xE8404312, 0x5869232F,
0x48B5039D, 0xF89C63A0, 0x28E6C3E7, 0x98CFA3DA,
0xCBCF1338, 0x7BE67305, 0xAB9CD342, 0x1BB5B37F,
0x0B6993CD, 0xBB40F3F0, 0x6B3A53B7, 0xDB13338A,
0x0A846308, 0xBAAD0335, 0x6AD7A372, 0xDAFEC34F,
0xCA22E3FD, 0x7A0B83C0, 0xAA712387, 0x1A5843BA,
0x4D773299, 0xFD5E52A4, 0x2D24F2E3, 0x9D0D92DE,
0x8DD1B26C, 0x3DF8D251, 0xED827216, 0x5DAB122B,
0x8C3C42A9, 0x3C152294, 0xEC6F82D3, 0x5C46E2EE,
0x4C9AC25C, 0xFCB3A261, 0x2CC90226, 0x9CE0621B,
0xCFE0D2F9, 0x7FC9B2C4, 0xAFB31283, 0x1F9A72BE,
0x0F46520C, 0xBF6F3231, 0x6F159276, 0xDF3CF24B,
0x0EABA2C9, 0xBE82C2F4, 0x6EF862B3, 0xDED1028E,
0xCE0D223C, 0x7E244201, 0xAE5EE246, 0x1E77827B,
0x92B0E6B1, 0x2299868C, 0xF2E326CB, 0x42CA46F6,
0x52166644, 0xE23F0679, 0x3245A63E, 0x826CC603,
0x53FB9681, 0xE3D2F6BC, 0x33A856FB, 0x838136C6,
0x935D1674, 0x23747649, 0xF30ED60E, 0x4327B633,
0x102706D1, 0xA00E66EC, 0x7074C6AB, 0xC05DA696,
0xD0818624, 0x60A8E619, 0xB0D2465E, 0x00FB2663,
0xD16C76E1, 0x614516DC, 0xB13FB69B, 0x0116D6A6,
0x11CAF614, 0xA1E39629, 0x7199366E, 0xC1B05653,
0x969F2770, 0x26B6474D, 0xF6CCE70A, 0x46E58737,
0x5639A785, 0xE610C7B8, 0x366A67FF, 0x864307C2,
0x57D45740, 0xE7FD377D, 0x3787973A, 0x87AEF707,
0x9772D7B5, 0x275BB788, 0xF72117CF, 0x470877F2,
0x1408C710, 0xA421A72D, 0x745B076A, 0xC4726757,
0xD4AE47E5, 0x648727D8, 0xB4FD879F, 0x04D4E7A2,
0xD543B720, 0x656AD71D, 0xB510775A, 0x05391767,
0x15E537D5, 0xA5CC57E8, 0x75B6F7AF, 0xC59F9792,
0xDBE815E9, 0x6BC175D4, 0xBBBBD593, 0x0B92B5AE,
0x1B4E951C, 0xAB67F521, 0x7B1D5566, 0xCB34355B,
0x1AA365D9, 0xAA8A05E4, 0x7AF0A5A3, 0xCAD9C59E,
0xDA05E52C, 0x6A2C8511, 0xBA562556, 0x0A7F456B,
0x597FF589, 0xE95695B4, 0x392C35F3, 0x890555CE,
0x99D9757C, 0x29F01541, 0xF98AB506, 0x49A3D53B,
0x983485B9, 0x281DE584, 0xF86745C3, 0x484E25FE,
0x5892054C, 0xE8BB6571, 0x38C1C536, 0x88E8A50B,
0xDFC7D428, 0x6FEEB415, 0xBF941452, 0x0FBD746F,
0x1F6154DD, 0xAF4834E0, 0x7F3294A7, 0xCF1BF49A,
0x1E8CA418, 0xAEA5C425, 0x7EDF6462, 0xCEF6045F,
0xDE2A24ED, 0x6E0344D0, 0xBE79E497, 0x0E5084AA,
0x5D503448, 0xED795475, 0x3D03F432, 0x8D2A940F,
0x9DF6B4BD, 0x2DDFD480, 0xFDA574C7, 0x4D8C14FA,
0x9C1B4478, 0x2C322445, 0xFC488402, 0x4C61E43F,
0x5CBDC48D, 0xEC94A4B0, 0x3CEE04F7, 0x8CC764CA
}, {
0x00000000, 0xA5D35CCB, 0x0BA1C84D, 0xAE729486,
0x1642919B, 0xB391CD50, 0x1DE359D6, 0xB830051D,
0x6D8253EC, 0xC8510F27, 0x66239BA1, 0xC3F0C76A,
0x7BC0C277, 0xDE139EBC, 0x70610A3A, 0xD5B256F1,
0x9B02D603, 0x3ED18AC8, 0x90A31E4E, 0x35704285,
0x8D404798, 0x28931B53, 0x86E18FD5, 0x2332D31E,
0xF68085EF, 0x5353D924, 0xFD214DA2, 0x58F21169,
0xE0C21474, 0x451148BF, 0xEB63DC39, 0x4EB080F2,
0x3605AC07, 0x93D6F0CC, 0x3DA4644A, 0x98773881,
0x20473D9C, 0x85946157, 0x2BE6F5D1, 0x8E35A91A,
0x5B87FFEB, 0xFE54A320, 0x502637A6, 0xF5F56B6D,
0x4DC56E70, 0xE81632BB, 0x4664A63D, 0xE3B7FAF6,
0xAD077A04, 0x08D426CF, 0xA6A6B249, 0x0375EE82,
0xBB45EB9F, 0x1E96B754, 0xB0E423D2, 0x15377F19,
0xC08529E8, 0x65567523, 0xCB24E1A5, 0x6EF7BD6E,
0xD6C7B873, 0x7314E4B8, 0xDD66703E, 0x78B52CF5,
0x6C0A580F, 0xC9D904C4, 0x67AB9042, 0xC278CC89,
0x7A48C994, 0xDF9B955F, 0x71E901D9, 0xD43A5D12,
0x01880BE3, 0xA45B5728, 0x0A29C3AE, 0xAFFA9F65,
0x17CA9A78, 0xB219C6B3, 0x1C6B5235, 0xB9B80EFE,
0xF7088E0C, 0x52DBD2C7, 0xFCA94641, 0x597A1A8A,
0xE14A1F97, 0x4499435C, 0xEAEBD7DA, 0x4F388B11,
0x9A8ADDE0, 0x3F59812B, 0x912B15AD, 0x34F84966,
0x8CC84C7B, 0x291B10B0, 0x87698436, 0x22BAD8FD,
0x5A0FF408, 0xFFDCA8C3, 0x51AE3C45, 0xF47D608E,
0x4C4D6593, 0xE99E3958, 0x47ECADDE, 0xE23FF115,
0x378DA7E4, 0x925EFB2F, 0x3C2C6FA9, 0x99FF3362,
0x21CF367F, 0x841C6AB4, 0x2A6EFE32, 0x8FBDA2F9,
0xC10D220B, 0x64DE7EC0, 0xCAACEA46, 0x6F7FB68D,
0xD74FB390, 0x729CEF5B, 0xDCEE7BDD, 0x793D2716,
0xAC8F71E7, 0x095C2D2C, 0xA72EB9AA, 0x02FDE561,
0xBACDE07C, 0x1F1EBCB7, 0xB16C2831, 0x14BF74FA,
0xD814B01E, 0x7DC7ECD5, 0xD3B57853, 0x76662498,
0xCE562185, 0x6B857D4E, 0xC5F7E9C8, 0x6024B503,
0xB596E3F2, 0x1045BF39, 0xBE372BBF, 0x1BE47774,
0xA3D47269, 0x06072EA2, 0xA875BA24, 0x0DA6E6EF,
0x4316661D, 0xE6C53AD6, 0x48B7AE50, 0xED64F29B,
0x5554F786, 0xF087AB4D, 0x5EF53FCB, 0xFB266300,
0x2E9435F1, 0x8B47693A, 0x2535FDBC, 0x80E6A177,
0x38D6A46A, 0x9D05F8A1, 0x33776C27, 0x96A430EC,
0xEE111C19, 0x4BC240D2, 0xE5B0D454, 0x4063889F,
0xF8538D82, 0x5D80D149, 0xF3F245CF, 0x56211904,
0x83934FF5, 0x2640133E, 0x883287B8, 0x2DE1DB73,
0x95D1DE6E, 0x300282A5, 0x9E701623, 0x3BA34AE8,
0x7513CA1A, 0xD0C096D1, 0x7EB20257, 0xDB615E9C,
0x63515B81, 0xC682074A, 0x68F093CC, 0xCD23CF07,
0x189199F6, 0xBD42C53D, 0x133051BB, 0xB6E30D70,
0x0ED3086D, 0xAB0054A6, 0x0572C020, 0xA0A19CEB,
0xB41EE811, 0x11CDB4DA, 0xBFBF205C, 0x1A6C7C97,
0xA25C798A, 0x078F2541, 0xA9FDB1C7, 0x0C2EED0C,
0xD99CBBFD, 0x7C4FE736, 0xD23D73B0, 0x77EE2F7B,
0xCFDE2A66, 0x6A0D76AD, 0xC47FE22B, 0x61ACBEE0,
0x2F1C3E12, 0x8ACF62D9, 0x24BDF65F, 0x816EAA94,
0x395EAF89, 0x9C8DF342, 0x32FF67C4, 0x972C3B0F,
0x429E6DFE, 0xE74D3135, 0x493FA5B3, 0xECECF978,
0x54DCFC65, 0xF10FA0AE, 0x5F7D3428, 0xFAAE68E3,
0x821B4416, 0x27C818DD, 0x89BA8C5B, 0x2C69D090,
0x9459D58D, 0x318A8946, 0x9FF81DC0, 0x3A2B410B,
0xEF9917FA, 0x4A4A4B31, 0xE438DFB7, 0x41EB837C,
0xF9DB8661, 0x5C08DAAA, 0xF27A4E2C, 0x57A912E7,
0x19199215, 0xBCCACEDE, 0x12B85A58, 0xB76B0693,
0x0F5B038E, 0xAA885F45, 0x04FACBC3, 0xA1299708,
0x749BC1F9, 0xD1489D32, 0x7F3A09B4, 0xDAE9557F,
0x62D95062, 0xC70A0CA9, 0x6978982F, 0xCCABC4E4
}, {
0x00000000, 0xB40B77A6, 0x29119F97, 0x9D1AE831,
0x13244FF4, 0xA72F3852, 0x3A35D063, 0x8E3EA7C5,
0x674EEF33, 0xD3459895, 0x4E5F70A4, 0xFA540702,
0x746AA0C7, 0xC061D761, 0x5D7B3F50, 0xE97048F6,
0xCE9CDE67, 0x7A97A9C1, 0xE78D41F0, 0x53863656,
0xDDB89193, 0x69B3E635, 0xF4A90E04, 0x40A279A2,
0xA9D23154, 0x1DD946F2, 0x80C3AEC3, 0x34C8D965,
0xBAF67EA0, 0x0EFD0906, 0x93E7E137, 0x27EC9691,
0x9C39BDCF, 0x2832CA69, 0xB5282258, 0x012355FE,
0x8F1DF23B, 0x3B16859D, 0xA60C6DAC, 0x12071A0A,
0xFB7752FC, 0x4F7C255A, 0xD266CD6B, 0x666DBACD,
0xE8531D08, 0x5C586AAE, 0xC142829F, 0x7549F539,
0x52A563A8, 0xE6AE140E, 0x7BB4FC3F, 0xCFBF8B99,
0x41812C5C, 0xF58A5BFA, 0x6890B3CB, 0xDC9BC46D,
0x35EB8C9B, 0x81E0FB3D, 0x1CFA130C, 0xA8F164AA,
0x26CFC36F, 0x92C4B4C9, 0x0FDE5CF8, 0xBBD52B5E,
0x79750B44, 0xCD7E7CE2, 0x506494D3, 0xE46FE375,
0x6A5144B0, 0xDE5A3316, 0x4340DB27, 0xF74BAC81,
0x1E3BE477, 0xAA3093D1, 0x372A7BE0, 0x83210C46,
0x0D1FAB83, 0xB914DC25, 0x240E3414, 0x900543B2,
0xB7E9D523, 0x03E2A285, 0x9EF84AB4, 0x2AF33D12,
0xA4CD9AD7, 0x10C6ED71, 0x8DDC0540, 0x39D772E6,
0xD0A73A10, 0x64AC4DB6, 0xF9B6A587, 0x4DBDD221,
0xC38375E4, 0x77880242, 0xEA92EA73, 0x5E999DD5,
0xE54CB68B, 0x5147C12D, 0xCC5D291C, 0x78565EBA,
0xF668F97F, 0x42638ED9, 0xDF7966E8, 0x6B72114E,
0x820259B8, 0x36092E1E, 0xAB13C62F, 0x1F18B189,
0x9126164C, 0x252D61EA, 0xB83789DB, 0x0C3CFE7D,
0x2BD068EC, 0x9FDB1F4A, 0x02C1F77B, 0xB6CA80DD,
0x38F42718, 0x8CFF50BE, 0x11E5B88F, 0xA5EECF29,
0x4C9E87DF, 0xF895F079, 0x658F1848, 0xD1846FEE,
0x5FBAC82B, 0xEBB1BF8D, 0x76AB57BC, 0xC2A0201A,
0xF2EA1688, 0x46E1612E, 0xDBFB891F, 0x6FF0FEB9,
0xE1CE597C, 0x55C52EDA, 0xC8DFC6EB, 0x7CD4B14D,
0x95A4F9BB, 0x21AF8E1D, 0xBCB5662C, 0x08BE118A,
0x8680B64F, 0x328BC1E9, 0xAF9129D8, 0x1B9A5E7E,
0x3C76C8EF, 0x887DBF49, 0x15675778, 0xA16C20DE,
0x2F52871B, 0x9B59F0BD, 0x0643188C, 0xB2486F2A,
0x5B3827DC, 0xEF33507A, 0x7229B84B, 0xC622CFED,
0x481C6828, 0xFC171F8E, 0x610DF7BF, 0xD5068019,
0x6ED3AB47, 0xDAD8DCE1, 0x47C234D0, 0xF3C94376,
0x7DF7E4B3, 0xC9FC9315, 0x54E67B24, 0xE0ED0C82,
0x099D4474, 0xBD9633D2, 0x208CDBE3, 0x9487AC45,
0x1AB90B80, 0xAEB27C26, 0x33A89417, 0x87A3E3B1,
0xA04F7520, 0x14440286, 0x895EEAB7, 0x3D559D11,
0xB36B3AD4, 0x07604D72, 0x9A7AA543, 0x2E71D2E5,
0xC7019A13, 0x730AEDB5, 0xEE100584, 0x5A1B7222,
0xD425D5E7, 0x602EA241, 0xFD344A70, 0x493F3DD6,
0x8B9F1DCC, 0x3F946A6A, 0xA28E825B, 0x1685F5FD,
0x98BB5238, 0x2CB0259E, 0xB1AACDAF, 0x05A1BA09,
0xECD1F2FF, 0x58DA8559, 0xC5C06D68, 0x71CB1ACE,
0xFFF5BD0B, 0x4BFECAAD, 0xD6E4229C, 0x62EF553A,
0x4503C3AB, 0xF108B40D, 0x6C125C3C, 0xD8192B9A,
0x56278C5F, 0xE22CFBF9, 0x7F3613C8, 0xCB3D646E,
0x224D2C98, 0x96465B3E, 0x0B5CB30F, 0xBF57C4A9,
0x3169636C, 0x856214CA, 0x1878FCFB, 0xAC738B5D,
0x17A6A003, 0xA3ADD7A5, 0x3EB73F94, 0x8ABC4832,
0x0482EFF7, 0xB0899851, 0x2D937060, 0x999807C6,
0x70E84F30, 0xC4E33896, 0x59F9D0A7, 0xEDF2A701,
0x63CC00C4, 0xD7C77762, 0x4ADD9F53, 0xFED6E8F5,
0xD93A7E64, 0x6D3109C2, 0xF02BE1F3, 0x44209655,
0xCA1E3190, 0x7E154636, 0xE30FAE07, 0x5704D9A1,
0xBE749157, 0x0A7FE6F1, 0x97650EC0, 0x236E7966,
0xAD50DEA3, 0x195BA905, 0x84414134, 0x304A3692
}, {
0x00000000, 0x9E00AACC, 0x7D072542, 0xE3078F8E,
0xFA0E4A84, 0x640EE048, 0x87096FC6, 0x1909C50A,
0xB51BE5D3, 0x2B1B4F1F, 0xC81CC091, 0x561C6A5D,
0x4F15AF57, 0xD115059B, 0x32128A15, 0xAC1220D9,
0x2B31BB7C, 0xB53111B0, 0x56369E3E, 0xC83634F2,
0xD13FF1F8, 0x4F3F5B34, 0xAC38D4BA, 0x32387E76,
0x9E2A5EAF, 0x002AF463, 0xE32D7BED, 0x7D2DD121,
0x6424142B, 0xFA24BEE7, 0x19233169, 0x87239BA5,
0x566276F9, 0xC862DC35, 0x2B6553BB, 0xB565F977,
0xAC6C3C7D, 0x326C96B1, 0xD16B193F, 0x4F6BB3F3,
0xE379932A, 0x7D7939E6, 0x9E7EB668, 0x007E1CA4,
0x1977D9AE, 0x87777362, 0x6470FCEC, 0xFA705620,
0x7D53CD85, 0xE3536749, 0x0054E8C7, 0x9E54420B,
0x875D8701, 0x195D2DCD, 0xFA5AA243, 0x645A088F,
0xC8482856, 0x5648829A, 0xB54F0D14, 0x2B4FA7D8,
0x324662D2, 0xAC46C81E, 0x4F414790, 0xD141ED5C,
0xEDC29D29, 0x73C237E5, 0x90C5B86B, 0x0EC512A7,
0x17CCD7AD, 0x89CC7D61, 0x6ACBF2EF, 0xF4CB5823,
0x58D978FA, 0xC6D9D236, 0x25DE5DB8, 0xBBDEF774,
0xA2D7327E, 0x3CD798B2, 0xDFD0173C, 0x41D0BDF0,
0xC6F32655, 0x58F38C99, 0xBBF40317, 0x25F4A9DB,
0x3CFD6CD1, 0xA2FDC61D, 0x41FA4993, 0xDFFAE35F,
0x73E8C386, 0xEDE8694A, 0x0EEFE6C4, 0x90EF4C08,
0x89E68902, 0x17E623CE, 0xF4E1AC40, 0x6AE1068C,
0xBBA0EBD0, 0x25A0411C, 0xC6A7CE92, 0x58A7645E,
0x41AEA154, 0xDFAE0B98, 0x3CA98416, 0xA2A92EDA,
0x0EBB0E03, 0x90BBA4CF, 0x73BC2B41, 0xEDBC818D,
0xF4B54487, 0x6AB5EE4B, 0x89B261C5, 0x17B2CB09,
0x909150AC, 0x0E91FA60, 0xED9675EE, 0x7396DF22,
0x6A9F1A28, 0xF49FB0E4, 0x17983F6A, 0x899895A6,
0x258AB57F, 0xBB8A1FB3, 0x588D903D, 0xC68D3AF1,
0xDF84FFFB, 0x41845537, 0xA283DAB9, 0x3C837075,
0xDA853B53, 0x4485919F, 0xA7821E11, 0x3982B4DD,
0x208B71D7, 0xBE8BDB1B, 0x5D8C5495, 0xC38CFE59,
0x6F9EDE80, 0xF19E744C, 0x1299FBC2, 0x8C99510E,
0x95909404, 0x0B903EC8, 0xE897B146, 0x76971B8A,
0xF1B4802F, 0x6FB42AE3, 0x8CB3A56D, 0x12B30FA1,
0x0BBACAAB, 0x95BA6067, 0x76BDEFE9, 0xE8BD4525,
0x44AF65FC, 0xDAAFCF30, 0x39A840BE, 0xA7A8EA72,
0xBEA12F78, 0x20A185B4, 0xC3A60A3A, 0x5DA6A0F6,
0x8CE74DAA, 0x12E7E766, 0xF1E068E8, 0x6FE0C224,
0x76E9072E, 0xE8E9ADE2, 0x0BEE226C, 0x95EE88A0,
0x39FCA879, 0xA7FC02B5, 0x44FB8D3B, 0xDAFB27F7,
0xC3F2E2FD, 0x5DF24831, 0xBEF5C7BF, 0x20F56D73,
0xA7D6F6D6, 0x39D65C1A, 0xDAD1D394, 0x44D17958,
0x5DD8BC52, 0xC3D8169E, 0x20DF9910, 0xBEDF33DC,
0x12CD1305, 0x8CCDB9C9, 0x6FCA3647, 0xF1CA9C8B,
0xE8C35981, 0x76C3F34D, 0x95C47CC3, 0x0BC4D60F,
0x3747A67A, 0xA9470CB6, 0x4A408338, 0xD44029F4,
0xCD49ECFE, 0x53494632, 0xB04EC9BC, 0x2E4E6370,
0x825C43A9, 0x1C5CE965, 0xFF5B66EB, 0x615BCC27,
0x7852092D, 0xE652A3E1, 0x05552C6F, 0x9B5586A3,
0x1C761D06, 0x8276B7CA, 0x61713844, 0xFF719288,
0xE6785782, 0x7878FD4E, 0x9B7F72C0, 0x057FD80C,
0xA96DF8D5, 0x376D5219, 0xD46ADD97, 0x4A6A775B,
0x5363B251, 0xCD63189D, 0x2E649713, 0xB0643DDF,
0x6125D083, 0xFF257A4F, 0x1C22F5C1, 0x82225F0D,
0x9B2B9A07, 0x052B30CB, 0xE62CBF45, 0x782C1589,
0xD43E3550, 0x4A3E9F9C, 0xA9391012, 0x3739BADE,
0x2E307FD4, 0xB030D518, 0x53375A96, 0xCD37F05A,
0x4A146BFF, 0xD414C133, 0x37134EBD, 0xA913E471,
0xB01A217B, 0x2E1A8BB7, 0xCD1D0439, 0x531DAEF5,
0xFF0F8E2C, 0x610F24E0, 0x8208AB6E, 0x1C0801A2,
0x0501C4A8, 0x9B016E64, 0x7806E1EA, 0xE6064B26
}
};

525
external/public-domain/xz/dist/src/liblzma/check/crc32_table_le.h vendored Normal file
View file

@ -0,0 +1,525 @@
/* This file has been automatically generated by crc32_tablegen.c. */
const uint32_t lzma_crc32_table[8][256] = {
{
0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,
0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,
0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,
0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,
0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,
0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,
0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,
0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,
0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
}, {
0x00000000, 0x191B3141, 0x32366282, 0x2B2D53C3,
0x646CC504, 0x7D77F445, 0x565AA786, 0x4F4196C7,
0xC8D98A08, 0xD1C2BB49, 0xFAEFE88A, 0xE3F4D9CB,
0xACB54F0C, 0xB5AE7E4D, 0x9E832D8E, 0x87981CCF,
0x4AC21251, 0x53D92310, 0x78F470D3, 0x61EF4192,
0x2EAED755, 0x37B5E614, 0x1C98B5D7, 0x05838496,
0x821B9859, 0x9B00A918, 0xB02DFADB, 0xA936CB9A,
0xE6775D5D, 0xFF6C6C1C, 0xD4413FDF, 0xCD5A0E9E,
0x958424A2, 0x8C9F15E3, 0xA7B24620, 0xBEA97761,
0xF1E8E1A6, 0xE8F3D0E7, 0xC3DE8324, 0xDAC5B265,
0x5D5DAEAA, 0x44469FEB, 0x6F6BCC28, 0x7670FD69,
0x39316BAE, 0x202A5AEF, 0x0B07092C, 0x121C386D,
0xDF4636F3, 0xC65D07B2, 0xED705471, 0xF46B6530,
0xBB2AF3F7, 0xA231C2B6, 0x891C9175, 0x9007A034,
0x179FBCFB, 0x0E848DBA, 0x25A9DE79, 0x3CB2EF38,
0x73F379FF, 0x6AE848BE, 0x41C51B7D, 0x58DE2A3C,
0xF0794F05, 0xE9627E44, 0xC24F2D87, 0xDB541CC6,
0x94158A01, 0x8D0EBB40, 0xA623E883, 0xBF38D9C2,
0x38A0C50D, 0x21BBF44C, 0x0A96A78F, 0x138D96CE,
0x5CCC0009, 0x45D73148, 0x6EFA628B, 0x77E153CA,
0xBABB5D54, 0xA3A06C15, 0x888D3FD6, 0x91960E97,
0xDED79850, 0xC7CCA911, 0xECE1FAD2, 0xF5FACB93,
0x7262D75C, 0x6B79E61D, 0x4054B5DE, 0x594F849F,
0x160E1258, 0x0F152319, 0x243870DA, 0x3D23419B,
0x65FD6BA7, 0x7CE65AE6, 0x57CB0925, 0x4ED03864,
0x0191AEA3, 0x188A9FE2, 0x33A7CC21, 0x2ABCFD60,
0xAD24E1AF, 0xB43FD0EE, 0x9F12832D, 0x8609B26C,
0xC94824AB, 0xD05315EA, 0xFB7E4629, 0xE2657768,
0x2F3F79F6, 0x362448B7, 0x1D091B74, 0x04122A35,
0x4B53BCF2, 0x52488DB3, 0x7965DE70, 0x607EEF31,
0xE7E6F3FE, 0xFEFDC2BF, 0xD5D0917C, 0xCCCBA03D,
0x838A36FA, 0x9A9107BB, 0xB1BC5478, 0xA8A76539,
0x3B83984B, 0x2298A90A, 0x09B5FAC9, 0x10AECB88,
0x5FEF5D4F, 0x46F46C0E, 0x6DD93FCD, 0x74C20E8C,
0xF35A1243, 0xEA412302, 0xC16C70C1, 0xD8774180,
0x9736D747, 0x8E2DE606, 0xA500B5C5, 0xBC1B8484,
0x71418A1A, 0x685ABB5B, 0x4377E898, 0x5A6CD9D9,
0x152D4F1E, 0x0C367E5F, 0x271B2D9C, 0x3E001CDD,
0xB9980012, 0xA0833153, 0x8BAE6290, 0x92B553D1,
0xDDF4C516, 0xC4EFF457, 0xEFC2A794, 0xF6D996D5,
0xAE07BCE9, 0xB71C8DA8, 0x9C31DE6B, 0x852AEF2A,
0xCA6B79ED, 0xD37048AC, 0xF85D1B6F, 0xE1462A2E,
0x66DE36E1, 0x7FC507A0, 0x54E85463, 0x4DF36522,
0x02B2F3E5, 0x1BA9C2A4, 0x30849167, 0x299FA026,
0xE4C5AEB8, 0xFDDE9FF9, 0xD6F3CC3A, 0xCFE8FD7B,
0x80A96BBC, 0x99B25AFD, 0xB29F093E, 0xAB84387F,
0x2C1C24B0, 0x350715F1, 0x1E2A4632, 0x07317773,
0x4870E1B4, 0x516BD0F5, 0x7A468336, 0x635DB277,
0xCBFAD74E, 0xD2E1E60F, 0xF9CCB5CC, 0xE0D7848D,
0xAF96124A, 0xB68D230B, 0x9DA070C8, 0x84BB4189,
0x03235D46, 0x1A386C07, 0x31153FC4, 0x280E0E85,
0x674F9842, 0x7E54A903, 0x5579FAC0, 0x4C62CB81,
0x8138C51F, 0x9823F45E, 0xB30EA79D, 0xAA1596DC,
0xE554001B, 0xFC4F315A, 0xD7626299, 0xCE7953D8,
0x49E14F17, 0x50FA7E56, 0x7BD72D95, 0x62CC1CD4,
0x2D8D8A13, 0x3496BB52, 0x1FBBE891, 0x06A0D9D0,
0x5E7EF3EC, 0x4765C2AD, 0x6C48916E, 0x7553A02F,
0x3A1236E8, 0x230907A9, 0x0824546A, 0x113F652B,
0x96A779E4, 0x8FBC48A5, 0xA4911B66, 0xBD8A2A27,
0xF2CBBCE0, 0xEBD08DA1, 0xC0FDDE62, 0xD9E6EF23,
0x14BCE1BD, 0x0DA7D0FC, 0x268A833F, 0x3F91B27E,
0x70D024B9, 0x69CB15F8, 0x42E6463B, 0x5BFD777A,
0xDC656BB5, 0xC57E5AF4, 0xEE530937, 0xF7483876,
0xB809AEB1, 0xA1129FF0, 0x8A3FCC33, 0x9324FD72
}, {
0x00000000, 0x01C26A37, 0x0384D46E, 0x0246BE59,
0x0709A8DC, 0x06CBC2EB, 0x048D7CB2, 0x054F1685,
0x0E1351B8, 0x0FD13B8F, 0x0D9785D6, 0x0C55EFE1,
0x091AF964, 0x08D89353, 0x0A9E2D0A, 0x0B5C473D,
0x1C26A370, 0x1DE4C947, 0x1FA2771E, 0x1E601D29,
0x1B2F0BAC, 0x1AED619B, 0x18ABDFC2, 0x1969B5F5,
0x1235F2C8, 0x13F798FF, 0x11B126A6, 0x10734C91,
0x153C5A14, 0x14FE3023, 0x16B88E7A, 0x177AE44D,
0x384D46E0, 0x398F2CD7, 0x3BC9928E, 0x3A0BF8B9,
0x3F44EE3C, 0x3E86840B, 0x3CC03A52, 0x3D025065,
0x365E1758, 0x379C7D6F, 0x35DAC336, 0x3418A901,
0x3157BF84, 0x3095D5B3, 0x32D36BEA, 0x331101DD,
0x246BE590, 0x25A98FA7, 0x27EF31FE, 0x262D5BC9,
0x23624D4C, 0x22A0277B, 0x20E69922, 0x2124F315,
0x2A78B428, 0x2BBADE1F, 0x29FC6046, 0x283E0A71,
0x2D711CF4, 0x2CB376C3, 0x2EF5C89A, 0x2F37A2AD,
0x709A8DC0, 0x7158E7F7, 0x731E59AE, 0x72DC3399,
0x7793251C, 0x76514F2B, 0x7417F172, 0x75D59B45,
0x7E89DC78, 0x7F4BB64F, 0x7D0D0816, 0x7CCF6221,
0x798074A4, 0x78421E93, 0x7A04A0CA, 0x7BC6CAFD,
0x6CBC2EB0, 0x6D7E4487, 0x6F38FADE, 0x6EFA90E9,
0x6BB5866C, 0x6A77EC5B, 0x68315202, 0x69F33835,
0x62AF7F08, 0x636D153F, 0x612BAB66, 0x60E9C151,
0x65A6D7D4, 0x6464BDE3, 0x662203BA, 0x67E0698D,
0x48D7CB20, 0x4915A117, 0x4B531F4E, 0x4A917579,
0x4FDE63FC, 0x4E1C09CB, 0x4C5AB792, 0x4D98DDA5,
0x46C49A98, 0x4706F0AF, 0x45404EF6, 0x448224C1,
0x41CD3244, 0x400F5873, 0x4249E62A, 0x438B8C1D,
0x54F16850, 0x55330267, 0x5775BC3E, 0x56B7D609,
0x53F8C08C, 0x523AAABB, 0x507C14E2, 0x51BE7ED5,
0x5AE239E8, 0x5B2053DF, 0x5966ED86, 0x58A487B1,
0x5DEB9134, 0x5C29FB03, 0x5E6F455A, 0x5FAD2F6D,
0xE1351B80, 0xE0F771B7, 0xE2B1CFEE, 0xE373A5D9,
0xE63CB35C, 0xE7FED96B, 0xE5B86732, 0xE47A0D05,
0xEF264A38, 0xEEE4200F, 0xECA29E56, 0xED60F461,
0xE82FE2E4, 0xE9ED88D3, 0xEBAB368A, 0xEA695CBD,
0xFD13B8F0, 0xFCD1D2C7, 0xFE976C9E, 0xFF5506A9,
0xFA1A102C, 0xFBD87A1B, 0xF99EC442, 0xF85CAE75,
0xF300E948, 0xF2C2837F, 0xF0843D26, 0xF1465711,
0xF4094194, 0xF5CB2BA3, 0xF78D95FA, 0xF64FFFCD,
0xD9785D60, 0xD8BA3757, 0xDAFC890E, 0xDB3EE339,
0xDE71F5BC, 0xDFB39F8B, 0xDDF521D2, 0xDC374BE5,
0xD76B0CD8, 0xD6A966EF, 0xD4EFD8B6, 0xD52DB281,
0xD062A404, 0xD1A0CE33, 0xD3E6706A, 0xD2241A5D,
0xC55EFE10, 0xC49C9427, 0xC6DA2A7E, 0xC7184049,
0xC25756CC, 0xC3953CFB, 0xC1D382A2, 0xC011E895,
0xCB4DAFA8, 0xCA8FC59F, 0xC8C97BC6, 0xC90B11F1,
0xCC440774, 0xCD866D43, 0xCFC0D31A, 0xCE02B92D,
0x91AF9640, 0x906DFC77, 0x922B422E, 0x93E92819,
0x96A63E9C, 0x976454AB, 0x9522EAF2, 0x94E080C5,
0x9FBCC7F8, 0x9E7EADCF, 0x9C381396, 0x9DFA79A1,
0x98B56F24, 0x99770513, 0x9B31BB4A, 0x9AF3D17D,
0x8D893530, 0x8C4B5F07, 0x8E0DE15E, 0x8FCF8B69,
0x8A809DEC, 0x8B42F7DB, 0x89044982, 0x88C623B5,
0x839A6488, 0x82580EBF, 0x801EB0E6, 0x81DCDAD1,
0x8493CC54, 0x8551A663, 0x8717183A, 0x86D5720D,
0xA9E2D0A0, 0xA820BA97, 0xAA6604CE, 0xABA46EF9,
0xAEEB787C, 0xAF29124B, 0xAD6FAC12, 0xACADC625,
0xA7F18118, 0xA633EB2F, 0xA4755576, 0xA5B73F41,
0xA0F829C4, 0xA13A43F3, 0xA37CFDAA, 0xA2BE979D,
0xB5C473D0, 0xB40619E7, 0xB640A7BE, 0xB782CD89,
0xB2CDDB0C, 0xB30FB13B, 0xB1490F62, 0xB08B6555,
0xBBD72268, 0xBA15485F, 0xB853F606, 0xB9919C31,
0xBCDE8AB4, 0xBD1CE083, 0xBF5A5EDA, 0xBE9834ED
}, {
0x00000000, 0xB8BC6765, 0xAA09C88B, 0x12B5AFEE,
0x8F629757, 0x37DEF032, 0x256B5FDC, 0x9DD738B9,
0xC5B428EF, 0x7D084F8A, 0x6FBDE064, 0xD7018701,
0x4AD6BFB8, 0xF26AD8DD, 0xE0DF7733, 0x58631056,
0x5019579F, 0xE8A530FA, 0xFA109F14, 0x42ACF871,
0xDF7BC0C8, 0x67C7A7AD, 0x75720843, 0xCDCE6F26,
0x95AD7F70, 0x2D111815, 0x3FA4B7FB, 0x8718D09E,
0x1ACFE827, 0xA2738F42, 0xB0C620AC, 0x087A47C9,
0xA032AF3E, 0x188EC85B, 0x0A3B67B5, 0xB28700D0,
0x2F503869, 0x97EC5F0C, 0x8559F0E2, 0x3DE59787,
0x658687D1, 0xDD3AE0B4, 0xCF8F4F5A, 0x7733283F,
0xEAE41086, 0x525877E3, 0x40EDD80D, 0xF851BF68,
0xF02BF8A1, 0x48979FC4, 0x5A22302A, 0xE29E574F,
0x7F496FF6, 0xC7F50893, 0xD540A77D, 0x6DFCC018,
0x359FD04E, 0x8D23B72B, 0x9F9618C5, 0x272A7FA0,
0xBAFD4719, 0x0241207C, 0x10F48F92, 0xA848E8F7,
0x9B14583D, 0x23A83F58, 0x311D90B6, 0x89A1F7D3,
0x1476CF6A, 0xACCAA80F, 0xBE7F07E1, 0x06C36084,
0x5EA070D2, 0xE61C17B7, 0xF4A9B859, 0x4C15DF3C,
0xD1C2E785, 0x697E80E0, 0x7BCB2F0E, 0xC377486B,
0xCB0D0FA2, 0x73B168C7, 0x6104C729, 0xD9B8A04C,
0x446F98F5, 0xFCD3FF90, 0xEE66507E, 0x56DA371B,
0x0EB9274D, 0xB6054028, 0xA4B0EFC6, 0x1C0C88A3,
0x81DBB01A, 0x3967D77F, 0x2BD27891, 0x936E1FF4,
0x3B26F703, 0x839A9066, 0x912F3F88, 0x299358ED,
0xB4446054, 0x0CF80731, 0x1E4DA8DF, 0xA6F1CFBA,
0xFE92DFEC, 0x462EB889, 0x549B1767, 0xEC277002,
0x71F048BB, 0xC94C2FDE, 0xDBF98030, 0x6345E755,
0x6B3FA09C, 0xD383C7F9, 0xC1366817, 0x798A0F72,
0xE45D37CB, 0x5CE150AE, 0x4E54FF40, 0xF6E89825,
0xAE8B8873, 0x1637EF16, 0x048240F8, 0xBC3E279D,
0x21E91F24, 0x99557841, 0x8BE0D7AF, 0x335CB0CA,
0xED59B63B, 0x55E5D15E, 0x47507EB0, 0xFFEC19D5,
0x623B216C, 0xDA874609, 0xC832E9E7, 0x708E8E82,
0x28ED9ED4, 0x9051F9B1, 0x82E4565F, 0x3A58313A,
0xA78F0983, 0x1F336EE6, 0x0D86C108, 0xB53AA66D,
0xBD40E1A4, 0x05FC86C1, 0x1749292F, 0xAFF54E4A,
0x322276F3, 0x8A9E1196, 0x982BBE78, 0x2097D91D,
0x78F4C94B, 0xC048AE2E, 0xD2FD01C0, 0x6A4166A5,
0xF7965E1C, 0x4F2A3979, 0x5D9F9697, 0xE523F1F2,
0x4D6B1905, 0xF5D77E60, 0xE762D18E, 0x5FDEB6EB,
0xC2098E52, 0x7AB5E937, 0x680046D9, 0xD0BC21BC,
0x88DF31EA, 0x3063568F, 0x22D6F961, 0x9A6A9E04,
0x07BDA6BD, 0xBF01C1D8, 0xADB46E36, 0x15080953,
0x1D724E9A, 0xA5CE29FF, 0xB77B8611, 0x0FC7E174,
0x9210D9CD, 0x2AACBEA8, 0x38191146, 0x80A57623,
0xD8C66675, 0x607A0110, 0x72CFAEFE, 0xCA73C99B,
0x57A4F122, 0xEF189647, 0xFDAD39A9, 0x45115ECC,
0x764DEE06, 0xCEF18963, 0xDC44268D, 0x64F841E8,
0xF92F7951, 0x41931E34, 0x5326B1DA, 0xEB9AD6BF,
0xB3F9C6E9, 0x0B45A18C, 0x19F00E62, 0xA14C6907,
0x3C9B51BE, 0x842736DB, 0x96929935, 0x2E2EFE50,
0x2654B999, 0x9EE8DEFC, 0x8C5D7112, 0x34E11677,
0xA9362ECE, 0x118A49AB, 0x033FE645, 0xBB838120,
0xE3E09176, 0x5B5CF613, 0x49E959FD, 0xF1553E98,
0x6C820621, 0xD43E6144, 0xC68BCEAA, 0x7E37A9CF,
0xD67F4138, 0x6EC3265D, 0x7C7689B3, 0xC4CAEED6,
0x591DD66F, 0xE1A1B10A, 0xF3141EE4, 0x4BA87981,
0x13CB69D7, 0xAB770EB2, 0xB9C2A15C, 0x017EC639,
0x9CA9FE80, 0x241599E5, 0x36A0360B, 0x8E1C516E,
0x866616A7, 0x3EDA71C2, 0x2C6FDE2C, 0x94D3B949,
0x090481F0, 0xB1B8E695, 0xA30D497B, 0x1BB12E1E,
0x43D23E48, 0xFB6E592D, 0xE9DBF6C3, 0x516791A6,
0xCCB0A91F, 0x740CCE7A, 0x66B96194, 0xDE0506F1
}, {
0x00000000, 0x3D6029B0, 0x7AC05360, 0x47A07AD0,
0xF580A6C0, 0xC8E08F70, 0x8F40F5A0, 0xB220DC10,
0x30704BC1, 0x0D106271, 0x4AB018A1, 0x77D03111,
0xC5F0ED01, 0xF890C4B1, 0xBF30BE61, 0x825097D1,
0x60E09782, 0x5D80BE32, 0x1A20C4E2, 0x2740ED52,
0x95603142, 0xA80018F2, 0xEFA06222, 0xD2C04B92,
0x5090DC43, 0x6DF0F5F3, 0x2A508F23, 0x1730A693,
0xA5107A83, 0x98705333, 0xDFD029E3, 0xE2B00053,
0xC1C12F04, 0xFCA106B4, 0xBB017C64, 0x866155D4,
0x344189C4, 0x0921A074, 0x4E81DAA4, 0x73E1F314,
0xF1B164C5, 0xCCD14D75, 0x8B7137A5, 0xB6111E15,
0x0431C205, 0x3951EBB5, 0x7EF19165, 0x4391B8D5,
0xA121B886, 0x9C419136, 0xDBE1EBE6, 0xE681C256,
0x54A11E46, 0x69C137F6, 0x2E614D26, 0x13016496,
0x9151F347, 0xAC31DAF7, 0xEB91A027, 0xD6F18997,
0x64D15587, 0x59B17C37, 0x1E1106E7, 0x23712F57,
0x58F35849, 0x659371F9, 0x22330B29, 0x1F532299,
0xAD73FE89, 0x9013D739, 0xD7B3ADE9, 0xEAD38459,
0x68831388, 0x55E33A38, 0x124340E8, 0x2F236958,
0x9D03B548, 0xA0639CF8, 0xE7C3E628, 0xDAA3CF98,
0x3813CFCB, 0x0573E67B, 0x42D39CAB, 0x7FB3B51B,
0xCD93690B, 0xF0F340BB, 0xB7533A6B, 0x8A3313DB,
0x0863840A, 0x3503ADBA, 0x72A3D76A, 0x4FC3FEDA,
0xFDE322CA, 0xC0830B7A, 0x872371AA, 0xBA43581A,
0x9932774D, 0xA4525EFD, 0xE3F2242D, 0xDE920D9D,
0x6CB2D18D, 0x51D2F83D, 0x167282ED, 0x2B12AB5D,
0xA9423C8C, 0x9422153C, 0xD3826FEC, 0xEEE2465C,
0x5CC29A4C, 0x61A2B3FC, 0x2602C92C, 0x1B62E09C,
0xF9D2E0CF, 0xC4B2C97F, 0x8312B3AF, 0xBE729A1F,
0x0C52460F, 0x31326FBF, 0x7692156F, 0x4BF23CDF,
0xC9A2AB0E, 0xF4C282BE, 0xB362F86E, 0x8E02D1DE,
0x3C220DCE, 0x0142247E, 0x46E25EAE, 0x7B82771E,
0xB1E6B092, 0x8C869922, 0xCB26E3F2, 0xF646CA42,
0x44661652, 0x79063FE2, 0x3EA64532, 0x03C66C82,
0x8196FB53, 0xBCF6D2E3, 0xFB56A833, 0xC6368183,
0x74165D93, 0x49767423, 0x0ED60EF3, 0x33B62743,
0xD1062710, 0xEC660EA0, 0xABC67470, 0x96A65DC0,
0x248681D0, 0x19E6A860, 0x5E46D2B0, 0x6326FB00,
0xE1766CD1, 0xDC164561, 0x9BB63FB1, 0xA6D61601,
0x14F6CA11, 0x2996E3A1, 0x6E369971, 0x5356B0C1,
0x70279F96, 0x4D47B626, 0x0AE7CCF6, 0x3787E546,
0x85A73956, 0xB8C710E6, 0xFF676A36, 0xC2074386,
0x4057D457, 0x7D37FDE7, 0x3A978737, 0x07F7AE87,
0xB5D77297, 0x88B75B27, 0xCF1721F7, 0xF2770847,
0x10C70814, 0x2DA721A4, 0x6A075B74, 0x576772C4,
0xE547AED4, 0xD8278764, 0x9F87FDB4, 0xA2E7D404,
0x20B743D5, 0x1DD76A65, 0x5A7710B5, 0x67173905,
0xD537E515, 0xE857CCA5, 0xAFF7B675, 0x92979FC5,
0xE915E8DB, 0xD475C16B, 0x93D5BBBB, 0xAEB5920B,
0x1C954E1B, 0x21F567AB, 0x66551D7B, 0x5B3534CB,
0xD965A31A, 0xE4058AAA, 0xA3A5F07A, 0x9EC5D9CA,
0x2CE505DA, 0x11852C6A, 0x562556BA, 0x6B457F0A,
0x89F57F59, 0xB49556E9, 0xF3352C39, 0xCE550589,
0x7C75D999, 0x4115F029, 0x06B58AF9, 0x3BD5A349,
0xB9853498, 0x84E51D28, 0xC34567F8, 0xFE254E48,
0x4C059258, 0x7165BBE8, 0x36C5C138, 0x0BA5E888,
0x28D4C7DF, 0x15B4EE6F, 0x521494BF, 0x6F74BD0F,
0xDD54611F, 0xE03448AF, 0xA794327F, 0x9AF41BCF,
0x18A48C1E, 0x25C4A5AE, 0x6264DF7E, 0x5F04F6CE,
0xED242ADE, 0xD044036E, 0x97E479BE, 0xAA84500E,
0x4834505D, 0x755479ED, 0x32F4033D, 0x0F942A8D,
0xBDB4F69D, 0x80D4DF2D, 0xC774A5FD, 0xFA148C4D,
0x78441B9C, 0x4524322C, 0x028448FC, 0x3FE4614C,
0x8DC4BD5C, 0xB0A494EC, 0xF704EE3C, 0xCA64C78C
}, {
0x00000000, 0xCB5CD3A5, 0x4DC8A10B, 0x869472AE,
0x9B914216, 0x50CD91B3, 0xD659E31D, 0x1D0530B8,
0xEC53826D, 0x270F51C8, 0xA19B2366, 0x6AC7F0C3,
0x77C2C07B, 0xBC9E13DE, 0x3A0A6170, 0xF156B2D5,
0x03D6029B, 0xC88AD13E, 0x4E1EA390, 0x85427035,
0x9847408D, 0x531B9328, 0xD58FE186, 0x1ED33223,
0xEF8580F6, 0x24D95353, 0xA24D21FD, 0x6911F258,
0x7414C2E0, 0xBF481145, 0x39DC63EB, 0xF280B04E,
0x07AC0536, 0xCCF0D693, 0x4A64A43D, 0x81387798,
0x9C3D4720, 0x57619485, 0xD1F5E62B, 0x1AA9358E,
0xEBFF875B, 0x20A354FE, 0xA6372650, 0x6D6BF5F5,
0x706EC54D, 0xBB3216E8, 0x3DA66446, 0xF6FAB7E3,
0x047A07AD, 0xCF26D408, 0x49B2A6A6, 0x82EE7503,
0x9FEB45BB, 0x54B7961E, 0xD223E4B0, 0x197F3715,
0xE82985C0, 0x23755665, 0xA5E124CB, 0x6EBDF76E,
0x73B8C7D6, 0xB8E41473, 0x3E7066DD, 0xF52CB578,
0x0F580A6C, 0xC404D9C9, 0x4290AB67, 0x89CC78C2,
0x94C9487A, 0x5F959BDF, 0xD901E971, 0x125D3AD4,
0xE30B8801, 0x28575BA4, 0xAEC3290A, 0x659FFAAF,
0x789ACA17, 0xB3C619B2, 0x35526B1C, 0xFE0EB8B9,
0x0C8E08F7, 0xC7D2DB52, 0x4146A9FC, 0x8A1A7A59,
0x971F4AE1, 0x5C439944, 0xDAD7EBEA, 0x118B384F,
0xE0DD8A9A, 0x2B81593F, 0xAD152B91, 0x6649F834,
0x7B4CC88C, 0xB0101B29, 0x36846987, 0xFDD8BA22,
0x08F40F5A, 0xC3A8DCFF, 0x453CAE51, 0x8E607DF4,
0x93654D4C, 0x58399EE9, 0xDEADEC47, 0x15F13FE2,
0xE4A78D37, 0x2FFB5E92, 0xA96F2C3C, 0x6233FF99,
0x7F36CF21, 0xB46A1C84, 0x32FE6E2A, 0xF9A2BD8F,
0x0B220DC1, 0xC07EDE64, 0x46EAACCA, 0x8DB67F6F,
0x90B34FD7, 0x5BEF9C72, 0xDD7BEEDC, 0x16273D79,
0xE7718FAC, 0x2C2D5C09, 0xAAB92EA7, 0x61E5FD02,
0x7CE0CDBA, 0xB7BC1E1F, 0x31286CB1, 0xFA74BF14,
0x1EB014D8, 0xD5ECC77D, 0x5378B5D3, 0x98246676,
0x852156CE, 0x4E7D856B, 0xC8E9F7C5, 0x03B52460,
0xF2E396B5, 0x39BF4510, 0xBF2B37BE, 0x7477E41B,
0x6972D4A3, 0xA22E0706, 0x24BA75A8, 0xEFE6A60D,
0x1D661643, 0xD63AC5E6, 0x50AEB748, 0x9BF264ED,
0x86F75455, 0x4DAB87F0, 0xCB3FF55E, 0x006326FB,
0xF135942E, 0x3A69478B, 0xBCFD3525, 0x77A1E680,
0x6AA4D638, 0xA1F8059D, 0x276C7733, 0xEC30A496,
0x191C11EE, 0xD240C24B, 0x54D4B0E5, 0x9F886340,
0x828D53F8, 0x49D1805D, 0xCF45F2F3, 0x04192156,
0xF54F9383, 0x3E134026, 0xB8873288, 0x73DBE12D,
0x6EDED195, 0xA5820230, 0x2316709E, 0xE84AA33B,
0x1ACA1375, 0xD196C0D0, 0x5702B27E, 0x9C5E61DB,
0x815B5163, 0x4A0782C6, 0xCC93F068, 0x07CF23CD,
0xF6999118, 0x3DC542BD, 0xBB513013, 0x700DE3B6,
0x6D08D30E, 0xA65400AB, 0x20C07205, 0xEB9CA1A0,
0x11E81EB4, 0xDAB4CD11, 0x5C20BFBF, 0x977C6C1A,
0x8A795CA2, 0x41258F07, 0xC7B1FDA9, 0x0CED2E0C,
0xFDBB9CD9, 0x36E74F7C, 0xB0733DD2, 0x7B2FEE77,
0x662ADECF, 0xAD760D6A, 0x2BE27FC4, 0xE0BEAC61,
0x123E1C2F, 0xD962CF8A, 0x5FF6BD24, 0x94AA6E81,
0x89AF5E39, 0x42F38D9C, 0xC467FF32, 0x0F3B2C97,
0xFE6D9E42, 0x35314DE7, 0xB3A53F49, 0x78F9ECEC,
0x65FCDC54, 0xAEA00FF1, 0x28347D5F, 0xE368AEFA,
0x16441B82, 0xDD18C827, 0x5B8CBA89, 0x90D0692C,
0x8DD55994, 0x46898A31, 0xC01DF89F, 0x0B412B3A,
0xFA1799EF, 0x314B4A4A, 0xB7DF38E4, 0x7C83EB41,
0x6186DBF9, 0xAADA085C, 0x2C4E7AF2, 0xE712A957,
0x15921919, 0xDECECABC, 0x585AB812, 0x93066BB7,
0x8E035B0F, 0x455F88AA, 0xC3CBFA04, 0x089729A1,
0xF9C19B74, 0x329D48D1, 0xB4093A7F, 0x7F55E9DA,
0x6250D962, 0xA90C0AC7, 0x2F987869, 0xE4C4ABCC
}, {
0x00000000, 0xA6770BB4, 0x979F1129, 0x31E81A9D,
0xF44F2413, 0x52382FA7, 0x63D0353A, 0xC5A73E8E,
0x33EF4E67, 0x959845D3, 0xA4705F4E, 0x020754FA,
0xC7A06A74, 0x61D761C0, 0x503F7B5D, 0xF64870E9,
0x67DE9CCE, 0xC1A9977A, 0xF0418DE7, 0x56368653,
0x9391B8DD, 0x35E6B369, 0x040EA9F4, 0xA279A240,
0x5431D2A9, 0xF246D91D, 0xC3AEC380, 0x65D9C834,
0xA07EF6BA, 0x0609FD0E, 0x37E1E793, 0x9196EC27,
0xCFBD399C, 0x69CA3228, 0x582228B5, 0xFE552301,
0x3BF21D8F, 0x9D85163B, 0xAC6D0CA6, 0x0A1A0712,
0xFC5277FB, 0x5A257C4F, 0x6BCD66D2, 0xCDBA6D66,
0x081D53E8, 0xAE6A585C, 0x9F8242C1, 0x39F54975,
0xA863A552, 0x0E14AEE6, 0x3FFCB47B, 0x998BBFCF,
0x5C2C8141, 0xFA5B8AF5, 0xCBB39068, 0x6DC49BDC,
0x9B8CEB35, 0x3DFBE081, 0x0C13FA1C, 0xAA64F1A8,
0x6FC3CF26, 0xC9B4C492, 0xF85CDE0F, 0x5E2BD5BB,
0x440B7579, 0xE27C7ECD, 0xD3946450, 0x75E36FE4,
0xB044516A, 0x16335ADE, 0x27DB4043, 0x81AC4BF7,
0x77E43B1E, 0xD19330AA, 0xE07B2A37, 0x460C2183,
0x83AB1F0D, 0x25DC14B9, 0x14340E24, 0xB2430590,
0x23D5E9B7, 0x85A2E203, 0xB44AF89E, 0x123DF32A,
0xD79ACDA4, 0x71EDC610, 0x4005DC8D, 0xE672D739,
0x103AA7D0, 0xB64DAC64, 0x87A5B6F9, 0x21D2BD4D,
0xE47583C3, 0x42028877, 0x73EA92EA, 0xD59D995E,
0x8BB64CE5, 0x2DC14751, 0x1C295DCC, 0xBA5E5678,
0x7FF968F6, 0xD98E6342, 0xE86679DF, 0x4E11726B,
0xB8590282, 0x1E2E0936, 0x2FC613AB, 0x89B1181F,
0x4C162691, 0xEA612D25, 0xDB8937B8, 0x7DFE3C0C,
0xEC68D02B, 0x4A1FDB9F, 0x7BF7C102, 0xDD80CAB6,
0x1827F438, 0xBE50FF8C, 0x8FB8E511, 0x29CFEEA5,
0xDF879E4C, 0x79F095F8, 0x48188F65, 0xEE6F84D1,
0x2BC8BA5F, 0x8DBFB1EB, 0xBC57AB76, 0x1A20A0C2,
0x8816EAF2, 0x2E61E146, 0x1F89FBDB, 0xB9FEF06F,
0x7C59CEE1, 0xDA2EC555, 0xEBC6DFC8, 0x4DB1D47C,
0xBBF9A495, 0x1D8EAF21, 0x2C66B5BC, 0x8A11BE08,
0x4FB68086, 0xE9C18B32, 0xD82991AF, 0x7E5E9A1B,
0xEFC8763C, 0x49BF7D88, 0x78576715, 0xDE206CA1,
0x1B87522F, 0xBDF0599B, 0x8C184306, 0x2A6F48B2,
0xDC27385B, 0x7A5033EF, 0x4BB82972, 0xEDCF22C6,
0x28681C48, 0x8E1F17FC, 0xBFF70D61, 0x198006D5,
0x47ABD36E, 0xE1DCD8DA, 0xD034C247, 0x7643C9F3,
0xB3E4F77D, 0x1593FCC9, 0x247BE654, 0x820CEDE0,
0x74449D09, 0xD23396BD, 0xE3DB8C20, 0x45AC8794,
0x800BB91A, 0x267CB2AE, 0x1794A833, 0xB1E3A387,
0x20754FA0, 0x86024414, 0xB7EA5E89, 0x119D553D,
0xD43A6BB3, 0x724D6007, 0x43A57A9A, 0xE5D2712E,
0x139A01C7, 0xB5ED0A73, 0x840510EE, 0x22721B5A,
0xE7D525D4, 0x41A22E60, 0x704A34FD, 0xD63D3F49,
0xCC1D9F8B, 0x6A6A943F, 0x5B828EA2, 0xFDF58516,
0x3852BB98, 0x9E25B02C, 0xAFCDAAB1, 0x09BAA105,
0xFFF2D1EC, 0x5985DA58, 0x686DC0C5, 0xCE1ACB71,
0x0BBDF5FF, 0xADCAFE4B, 0x9C22E4D6, 0x3A55EF62,
0xABC30345, 0x0DB408F1, 0x3C5C126C, 0x9A2B19D8,
0x5F8C2756, 0xF9FB2CE2, 0xC813367F, 0x6E643DCB,
0x982C4D22, 0x3E5B4696, 0x0FB35C0B, 0xA9C457BF,
0x6C636931, 0xCA146285, 0xFBFC7818, 0x5D8B73AC,
0x03A0A617, 0xA5D7ADA3, 0x943FB73E, 0x3248BC8A,
0xF7EF8204, 0x519889B0, 0x6070932D, 0xC6079899,
0x304FE870, 0x9638E3C4, 0xA7D0F959, 0x01A7F2ED,
0xC400CC63, 0x6277C7D7, 0x539FDD4A, 0xF5E8D6FE,
0x647E3AD9, 0xC209316D, 0xF3E12BF0, 0x55962044,
0x90311ECA, 0x3646157E, 0x07AE0FE3, 0xA1D90457,
0x579174BE, 0xF1E67F0A, 0xC00E6597, 0x66796E23,
0xA3DE50AD, 0x05A95B19, 0x34414184, 0x92364A30
}, {
0x00000000, 0xCCAA009E, 0x4225077D, 0x8E8F07E3,
0x844A0EFA, 0x48E00E64, 0xC66F0987, 0x0AC50919,
0xD3E51BB5, 0x1F4F1B2B, 0x91C01CC8, 0x5D6A1C56,
0x57AF154F, 0x9B0515D1, 0x158A1232, 0xD92012AC,
0x7CBB312B, 0xB01131B5, 0x3E9E3656, 0xF23436C8,
0xF8F13FD1, 0x345B3F4F, 0xBAD438AC, 0x767E3832,
0xAF5E2A9E, 0x63F42A00, 0xED7B2DE3, 0x21D12D7D,
0x2B142464, 0xE7BE24FA, 0x69312319, 0xA59B2387,
0xF9766256, 0x35DC62C8, 0xBB53652B, 0x77F965B5,
0x7D3C6CAC, 0xB1966C32, 0x3F196BD1, 0xF3B36B4F,
0x2A9379E3, 0xE639797D, 0x68B67E9E, 0xA41C7E00,
0xAED97719, 0x62737787, 0xECFC7064, 0x205670FA,
0x85CD537D, 0x496753E3, 0xC7E85400, 0x0B42549E,
0x01875D87, 0xCD2D5D19, 0x43A25AFA, 0x8F085A64,
0x562848C8, 0x9A824856, 0x140D4FB5, 0xD8A74F2B,
0xD2624632, 0x1EC846AC, 0x9047414F, 0x5CED41D1,
0x299DC2ED, 0xE537C273, 0x6BB8C590, 0xA712C50E,
0xADD7CC17, 0x617DCC89, 0xEFF2CB6A, 0x2358CBF4,
0xFA78D958, 0x36D2D9C6, 0xB85DDE25, 0x74F7DEBB,
0x7E32D7A2, 0xB298D73C, 0x3C17D0DF, 0xF0BDD041,
0x5526F3C6, 0x998CF358, 0x1703F4BB, 0xDBA9F425,
0xD16CFD3C, 0x1DC6FDA2, 0x9349FA41, 0x5FE3FADF,
0x86C3E873, 0x4A69E8ED, 0xC4E6EF0E, 0x084CEF90,
0x0289E689, 0xCE23E617, 0x40ACE1F4, 0x8C06E16A,
0xD0EBA0BB, 0x1C41A025, 0x92CEA7C6, 0x5E64A758,
0x54A1AE41, 0x980BAEDF, 0x1684A93C, 0xDA2EA9A2,
0x030EBB0E, 0xCFA4BB90, 0x412BBC73, 0x8D81BCED,
0x8744B5F4, 0x4BEEB56A, 0xC561B289, 0x09CBB217,
0xAC509190, 0x60FA910E, 0xEE7596ED, 0x22DF9673,
0x281A9F6A, 0xE4B09FF4, 0x6A3F9817, 0xA6959889,
0x7FB58A25, 0xB31F8ABB, 0x3D908D58, 0xF13A8DC6,
0xFBFF84DF, 0x37558441, 0xB9DA83A2, 0x7570833C,
0x533B85DA, 0x9F918544, 0x111E82A7, 0xDDB48239,
0xD7718B20, 0x1BDB8BBE, 0x95548C5D, 0x59FE8CC3,
0x80DE9E6F, 0x4C749EF1, 0xC2FB9912, 0x0E51998C,
0x04949095, 0xC83E900B, 0x46B197E8, 0x8A1B9776,
0x2F80B4F1, 0xE32AB46F, 0x6DA5B38C, 0xA10FB312,
0xABCABA0B, 0x6760BA95, 0xE9EFBD76, 0x2545BDE8,
0xFC65AF44, 0x30CFAFDA, 0xBE40A839, 0x72EAA8A7,
0x782FA1BE, 0xB485A120, 0x3A0AA6C3, 0xF6A0A65D,
0xAA4DE78C, 0x66E7E712, 0xE868E0F1, 0x24C2E06F,
0x2E07E976, 0xE2ADE9E8, 0x6C22EE0B, 0xA088EE95,
0x79A8FC39, 0xB502FCA7, 0x3B8DFB44, 0xF727FBDA,
0xFDE2F2C3, 0x3148F25D, 0xBFC7F5BE, 0x736DF520,
0xD6F6D6A7, 0x1A5CD639, 0x94D3D1DA, 0x5879D144,
0x52BCD85D, 0x9E16D8C3, 0x1099DF20, 0xDC33DFBE,
0x0513CD12, 0xC9B9CD8C, 0x4736CA6F, 0x8B9CCAF1,
0x8159C3E8, 0x4DF3C376, 0xC37CC495, 0x0FD6C40B,
0x7AA64737, 0xB60C47A9, 0x3883404A, 0xF42940D4,
0xFEEC49CD, 0x32464953, 0xBCC94EB0, 0x70634E2E,
0xA9435C82, 0x65E95C1C, 0xEB665BFF, 0x27CC5B61,
0x2D095278, 0xE1A352E6, 0x6F2C5505, 0xA386559B,
0x061D761C, 0xCAB77682, 0x44387161, 0x889271FF,
0x825778E6, 0x4EFD7878, 0xC0727F9B, 0x0CD87F05,
0xD5F86DA9, 0x19526D37, 0x97DD6AD4, 0x5B776A4A,
0x51B26353, 0x9D1863CD, 0x1397642E, 0xDF3D64B0,
0x83D02561, 0x4F7A25FF, 0xC1F5221C, 0x0D5F2282,
0x079A2B9B, 0xCB302B05, 0x45BF2CE6, 0x89152C78,
0x50353ED4, 0x9C9F3E4A, 0x121039A9, 0xDEBA3937,
0xD47F302E, 0x18D530B0, 0x965A3753, 0x5AF037CD,
0xFF6B144A, 0x33C114D4, 0xBD4E1337, 0x71E413A9,
0x7B211AB0, 0xB78B1A2E, 0x39041DCD, 0xF5AE1D53,
0x2C8E0FFF, 0xE0240F61, 0x6EAB0882, 0xA201081C,
0xA8C40105, 0x646E019B, 0xEAE10678, 0x264B06E6
}
};

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///////////////////////////////////////////////////////////////////////////////
//
/// \file crc32_tablegen.c
/// \brief Generate crc32_table_le.h and crc32_table_be.h
///
/// Compiling: gcc -std=c99 -o crc32_tablegen crc32_tablegen.c
/// Add -DWORDS_BIGENDIAN to generate big endian table.
/// Add -DLZ_HASH_TABLE to generate lz_encoder_hash_table.h (little endian).
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include <stdio.h>
#include "../../common/tuklib_integer.h"
static uint32_t crc32_table[8][256];
static void
init_crc32_table(void)
{
static const uint32_t poly32 = UINT32_C(0xEDB88320);
for (size_t s = 0; s < 8; ++s) {
for (size_t b = 0; b < 256; ++b) {
uint32_t r = s == 0 ? b : crc32_table[s - 1][b];
for (size_t i = 0; i < 8; ++i) {
if (r & 1)
r = (r >> 1) ^ poly32;
else
r >>= 1;
}
crc32_table[s][b] = r;
}
}
#ifdef WORDS_BIGENDIAN
for (size_t s = 0; s < 8; ++s)
for (size_t b = 0; b < 256; ++b)
crc32_table[s][b] = bswap32(crc32_table[s][b]);
#endif
return;
}
static void
print_crc32_table(void)
{
printf("/* This file has been automatically generated by "
"crc32_tablegen.c. */\n\n"
"const uint32_t lzma_crc32_table[8][256] = {\n\t{");
for (size_t s = 0; s < 8; ++s) {
for (size_t b = 0; b < 256; ++b) {
if ((b % 4) == 0)
printf("\n\t\t");
printf("0x%08" PRIX32, crc32_table[s][b]);
if (b != 255)
printf(",%s", (b+1) % 4 == 0 ? "" : " ");
}
if (s == 7)
printf("\n\t}\n};\n");
else
printf("\n\t}, {");
}
return;
}
static void
print_lz_table(void)
{
printf("/* This file has been automatically generated by "
"crc32_tablegen.c. */\n\n"
"const uint32_t lzma_lz_hash_table[256] = {");
for (size_t b = 0; b < 256; ++b) {
if ((b % 4) == 0)
printf("\n\t");
printf("0x%08" PRIX32, crc32_table[0][b]);
if (b != 255)
printf(",%s", (b+1) % 4 == 0 ? "" : " ");
}
printf("\n};\n");
return;
}
int
main(void)
{
init_crc32_table();
#ifdef LZ_HASH_TABLE
print_lz_table();
#else
print_crc32_table();
#endif
return 0;
}

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external/public-domain/xz/dist/src/liblzma/check/crc32_x86.S vendored Normal file
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/*
* Speed-optimized CRC32 using slicing-by-eight algorithm
*
* This uses only i386 instructions, but it is optimized for i686 and later
* (including e.g. Pentium II/III/IV, Athlon XP, and Core 2). For i586
* (e.g. Pentium), slicing-by-four would be better, and even the C version
* of slicing-by-eight built with gcc -march=i586 tends to be a little bit
* better than this. Very few probably run this code on i586 or older x86
* so this shouldn't be a problem in practice.
*
* Authors: Igor Pavlov (original version)
* Lasse Collin (AT&T syntax, PIC support, better portability)
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* This code needs lzma_crc32_table, which can be created using the
* following C code:
uint32_t lzma_crc32_table[8][256];
void
init_table(void)
{
// IEEE-802.3
static const uint32_t poly32 = UINT32_C(0xEDB88320);
// Castagnoli
// static const uint32_t poly32 = UINT32_C(0x82F63B78);
// Koopman
// static const uint32_t poly32 = UINT32_C(0xEB31D82E);
for (size_t s = 0; s < 8; ++s) {
for (size_t b = 0; b < 256; ++b) {
uint32_t r = s == 0 ? b : lzma_crc32_table[s - 1][b];
for (size_t i = 0; i < 8; ++i) {
if (r & 1)
r = (r >> 1) ^ poly32;
else
r >>= 1;
}
lzma_crc32_table[s][b] = r;
}
}
}
* The prototype of the CRC32 function:
* extern uint32_t lzma_crc32(const uint8_t *buf, size_t size, uint32_t crc);
*/
/*
* On some systems, the functions need to be prefixed. The prefix is
* usually an underscore.
*/
#ifndef __USER_LABEL_PREFIX__
# define __USER_LABEL_PREFIX__
#endif
#define MAKE_SYM_CAT(prefix, sym) prefix ## sym
#define MAKE_SYM(prefix, sym) MAKE_SYM_CAT(prefix, sym)
#define LZMA_CRC32 MAKE_SYM(__USER_LABEL_PREFIX__, lzma_crc32)
#define LZMA_CRC32_TABLE MAKE_SYM(__USER_LABEL_PREFIX__, lzma_crc32_table)
/*
* Solaris assembler doesn't have .p2align, and Darwin uses .align
* differently than GNU/Linux and Solaris.
*/
#if defined(__APPLE__) || defined(__MSDOS__)
# define ALIGN(pow2, abs) .align pow2
#else
# define ALIGN(pow2, abs) .align abs
#endif
.text
.globl LZMA_CRC32
#if !defined(__APPLE__) && !defined(_WIN32) && !defined(__CYGWIN__) \
&& !defined(__MSDOS__)
.type LZMA_CRC32, @function
#endif
ALIGN(4, 16)
LZMA_CRC32:
/*
* Register usage:
* %eax crc
* %esi buf
* %edi size or buf + size
* %ebx lzma_crc32_table
* %ebp Table index
* %ecx Temporary
* %edx Temporary
*/
pushl %ebx
pushl %esi
pushl %edi
pushl %ebp
movl 0x14(%esp), %esi /* buf */
movl 0x18(%esp), %edi /* size */
movl 0x1C(%esp), %eax /* crc */
/*
* Store the address of lzma_crc32_table to %ebx. This is needed to
* get position-independent code (PIC).
*
* The PIC macro is defined by libtool, while __PIC__ is defined
* by GCC but only on some systems. Testing for both makes it simpler
* to test this code without libtool, and keeps the code working also
* when built with libtool but using something else than GCC.
*
* I understood that libtool may define PIC on Windows even though
* the code in Windows DLLs is not PIC in sense that it is in ELF
* binaries, so we need a separate check to always use the non-PIC
* code on Windows.
*/
#if (!defined(PIC) && !defined(__PIC__)) \
|| (defined(_WIN32) || defined(__CYGWIN__))
/* Not PIC */
movl $ LZMA_CRC32_TABLE, %ebx
#elif defined(__APPLE__)
/* Mach-O */
call .L_get_pc
.L_pic:
leal .L_lzma_crc32_table$non_lazy_ptr-.L_pic(%ebx), %ebx
movl (%ebx), %ebx
#else
/* ELF */
call .L_get_pc
addl $_GLOBAL_OFFSET_TABLE_, %ebx
movl LZMA_CRC32_TABLE@GOT(%ebx), %ebx
#endif
/* Complement the initial value. */
notl %eax
ALIGN(4, 16)
.L_align:
/*
* Check if there is enough input to use slicing-by-eight.
* We need 16 bytes, because the loop pre-reads eight bytes.
*/
cmpl $16, %edi
jb .L_rest
/* Check if we have reached alignment of eight bytes. */
testl $7, %esi
jz .L_slice
/* Calculate CRC of the next input byte. */
movzbl (%esi), %ebp
incl %esi
movzbl %al, %ecx
xorl %ecx, %ebp
shrl $8, %eax
xorl (%ebx, %ebp, 4), %eax
decl %edi
jmp .L_align
ALIGN(2, 4)
.L_slice:
/*
* If we get here, there's at least 16 bytes of aligned input
* available. Make %edi multiple of eight bytes. Store the possible
* remainder over the "size" variable in the argument stack.
*/
movl %edi, 0x18(%esp)
andl $-8, %edi
subl %edi, 0x18(%esp)
/*
* Let %edi be buf + size - 8 while running the main loop. This way
* we can compare for equality to determine when exit the loop.
*/
addl %esi, %edi
subl $8, %edi
/* Read in the first eight aligned bytes. */
xorl (%esi), %eax
movl 4(%esi), %ecx
movzbl %cl, %ebp
.L_loop:
movl 0x0C00(%ebx, %ebp, 4), %edx
movzbl %ch, %ebp
xorl 0x0800(%ebx, %ebp, 4), %edx
shrl $16, %ecx
xorl 8(%esi), %edx
movzbl %cl, %ebp
xorl 0x0400(%ebx, %ebp, 4), %edx
movzbl %ch, %ebp
xorl (%ebx, %ebp, 4), %edx
movzbl %al, %ebp
/*
* Read the next four bytes, for which the CRC is calculated
* on the next interation of the loop.
*/
movl 12(%esi), %ecx
xorl 0x1C00(%ebx, %ebp, 4), %edx
movzbl %ah, %ebp
shrl $16, %eax
xorl 0x1800(%ebx, %ebp, 4), %edx
movzbl %ah, %ebp
movzbl %al, %eax
movl 0x1400(%ebx, %eax, 4), %eax
addl $8, %esi
xorl %edx, %eax
xorl 0x1000(%ebx, %ebp, 4), %eax
/* Check for end of aligned input. */
cmpl %edi, %esi
movzbl %cl, %ebp
jne .L_loop
/*
* Process the remaining eight bytes, which we have already
* copied to %ecx and %edx.
*/
movl 0x0C00(%ebx, %ebp, 4), %edx
movzbl %ch, %ebp
xorl 0x0800(%ebx, %ebp, 4), %edx
shrl $16, %ecx
movzbl %cl, %ebp
xorl 0x0400(%ebx, %ebp, 4), %edx
movzbl %ch, %ebp
xorl (%ebx, %ebp, 4), %edx
movzbl %al, %ebp
xorl 0x1C00(%ebx, %ebp, 4), %edx
movzbl %ah, %ebp
shrl $16, %eax
xorl 0x1800(%ebx, %ebp, 4), %edx
movzbl %ah, %ebp
movzbl %al, %eax
movl 0x1400(%ebx, %eax, 4), %eax
addl $8, %esi
xorl %edx, %eax
xorl 0x1000(%ebx, %ebp, 4), %eax
/* Copy the number of remaining bytes to %edi. */
movl 0x18(%esp), %edi
.L_rest:
/* Check for end of input. */
testl %edi, %edi
jz .L_return
/* Calculate CRC of the next input byte. */
movzbl (%esi), %ebp
incl %esi
movzbl %al, %ecx
xorl %ecx, %ebp
shrl $8, %eax
xorl (%ebx, %ebp, 4), %eax
decl %edi
jmp .L_rest
.L_return:
/* Complement the final value. */
notl %eax
popl %ebp
popl %edi
popl %esi
popl %ebx
ret
#if defined(PIC) || defined(__PIC__)
ALIGN(4, 16)
.L_get_pc:
movl (%esp), %ebx
ret
#endif
#if defined(__APPLE__) && (defined(PIC) || defined(__PIC__))
/* Mach-O PIC */
.section __IMPORT,__pointers,non_lazy_symbol_pointers
.L_lzma_crc32_table$non_lazy_ptr:
.indirect_symbol LZMA_CRC32_TABLE
.long 0
#elif defined(_WIN32) || defined(__CYGWIN__)
# ifdef DLL_EXPORT
/* This is equivalent of __declspec(dllexport). */
.section .drectve
.ascii " -export:lzma_crc32"
# endif
#elif !defined(__MSDOS__)
/* ELF */
.size LZMA_CRC32, .-LZMA_CRC32
#endif
/*
* This is needed to support non-executable stack. It's ugly to
* use __linux__ here, but I don't know a way to detect when
* we are using GNU assembler.
*/
#if defined(__ELF__) && defined(__linux__)
.section .note.GNU-stack,"",@progbits
#endif

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external/public-domain/xz/dist/src/liblzma/check/crc64_fast.c vendored Normal file
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///////////////////////////////////////////////////////////////////////////////
//
/// \file crc64.c
/// \brief CRC64 calculation
///
/// Calculate the CRC64 using the slice-by-four algorithm. This is the same
/// idea that is used in crc32_fast.c, but for CRC64 we use only four tables
/// instead of eight to avoid increasing CPU cache usage.
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "check.h"
#include "crc_macros.h"
#ifdef WORDS_BIGENDIAN
# define A1(x) ((x) >> 56)
#else
# define A1 A
#endif
// See the comments in crc32_fast.c. They aren't duplicated here.
extern LZMA_API(uint64_t)
lzma_crc64(const uint8_t *buf, size_t size, uint64_t crc)
{
crc = ~crc;
#ifdef WORDS_BIGENDIAN
crc = bswap64(crc);
#endif
if (size > 4) {
while ((uintptr_t)(buf) & 3) {
crc = lzma_crc64_table[0][*buf++ ^ A1(crc)] ^ S8(crc);
--size;
}
const uint8_t *const limit = buf + (size & ~(size_t)(3));
size &= (size_t)(3);
while (buf < limit) {
#ifdef WORDS_BIGENDIAN
const uint32_t tmp = (crc >> 32)
^ *(const uint32_t *)(buf);
#else
const uint32_t tmp = crc ^ *(const uint32_t *)(buf);
#endif
buf += 4;
crc = lzma_crc64_table[3][A(tmp)]
^ lzma_crc64_table[2][B(tmp)]
^ S32(crc)
^ lzma_crc64_table[1][C(tmp)]
^ lzma_crc64_table[0][D(tmp)];
}
}
while (size-- != 0)
crc = lzma_crc64_table[0][*buf++ ^ A1(crc)] ^ S8(crc);
#ifdef WORDS_BIGENDIAN
crc = bswap64(crc);
#endif
return ~crc;
}

53
external/public-domain/xz/dist/src/liblzma/check/crc64_small.c vendored Normal file
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@ -0,0 +1,53 @@
///////////////////////////////////////////////////////////////////////////////
//
/// \file crc64_small.c
/// \brief CRC64 calculation (size-optimized)
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "check.h"
static uint64_t crc64_table[256];
static void
crc64_init(void)
{
static const uint64_t poly64 = UINT64_C(0xC96C5795D7870F42);
for (size_t b = 0; b < 256; ++b) {
uint64_t r = b;
for (size_t i = 0; i < 8; ++i) {
if (r & 1)
r = (r >> 1) ^ poly64;
else
r >>= 1;
}
crc64_table[b] = r;
}
return;
}
extern LZMA_API(uint64_t)
lzma_crc64(const uint8_t *buf, size_t size, uint64_t crc)
{
mythread_once(crc64_init);
crc = ~crc;
while (size != 0) {
crc = crc64_table[*buf++ ^ (crc & 0xFF)] ^ (crc >> 8);
--size;
}
return ~crc;
}

19
external/public-domain/xz/dist/src/liblzma/check/crc64_table.c vendored Normal file
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@ -0,0 +1,19 @@
///////////////////////////////////////////////////////////////////////////////
//
/// \file crc64_table.c
/// \brief Precalculated CRC64 table with correct endianness
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#ifdef WORDS_BIGENDIAN
# include "crc64_table_be.h"
#else
# include "crc64_table_le.h"
#endif

521
external/public-domain/xz/dist/src/liblzma/check/crc64_table_be.h vendored Normal file
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@ -0,0 +1,521 @@
/* This file has been automatically generated by crc64_tablegen.c. */
const uint64_t lzma_crc64_table[4][256] = {
{
UINT64_C(0x0000000000000000), UINT64_C(0x6F5FA703BE4C2EB3),
UINT64_C(0x5BA040A8573684F4), UINT64_C(0x34FFE7ABE97AAA47),
UINT64_C(0x335E8FFF84C3D07B), UINT64_C(0x5C0128FC3A8FFEC8),
UINT64_C(0x68FECF57D3F5548F), UINT64_C(0x07A168546DB97A3C),
UINT64_C(0x66BC1EFF0987A1F7), UINT64_C(0x09E3B9FCB7CB8F44),
UINT64_C(0x3D1C5E575EB12503), UINT64_C(0x5243F954E0FD0BB0),
UINT64_C(0x55E291008D44718C), UINT64_C(0x3ABD360333085F3F),
UINT64_C(0x0E42D1A8DA72F578), UINT64_C(0x611D76AB643EDBCB),
UINT64_C(0x4966335138A19B7D), UINT64_C(0x2639945286EDB5CE),
UINT64_C(0x12C673F96F971F89), UINT64_C(0x7D99D4FAD1DB313A),
UINT64_C(0x7A38BCAEBC624B06), UINT64_C(0x15671BAD022E65B5),
UINT64_C(0x2198FC06EB54CFF2), UINT64_C(0x4EC75B055518E141),
UINT64_C(0x2FDA2DAE31263A8A), UINT64_C(0x40858AAD8F6A1439),
UINT64_C(0x747A6D066610BE7E), UINT64_C(0x1B25CA05D85C90CD),
UINT64_C(0x1C84A251B5E5EAF1), UINT64_C(0x73DB05520BA9C442),
UINT64_C(0x4724E2F9E2D36E05), UINT64_C(0x287B45FA5C9F40B6),
UINT64_C(0x92CC66A2704237FB), UINT64_C(0xFD93C1A1CE0E1948),
UINT64_C(0xC96C260A2774B30F), UINT64_C(0xA633810999389DBC),
UINT64_C(0xA192E95DF481E780), UINT64_C(0xCECD4E5E4ACDC933),
UINT64_C(0xFA32A9F5A3B76374), UINT64_C(0x956D0EF61DFB4DC7),
UINT64_C(0xF470785D79C5960C), UINT64_C(0x9B2FDF5EC789B8BF),
UINT64_C(0xAFD038F52EF312F8), UINT64_C(0xC08F9FF690BF3C4B),
UINT64_C(0xC72EF7A2FD064677), UINT64_C(0xA87150A1434A68C4),
UINT64_C(0x9C8EB70AAA30C283), UINT64_C(0xF3D11009147CEC30),
UINT64_C(0xDBAA55F348E3AC86), UINT64_C(0xB4F5F2F0F6AF8235),
UINT64_C(0x800A155B1FD52872), UINT64_C(0xEF55B258A19906C1),
UINT64_C(0xE8F4DA0CCC207CFD), UINT64_C(0x87AB7D0F726C524E),
UINT64_C(0xB3549AA49B16F809), UINT64_C(0xDC0B3DA7255AD6BA),
UINT64_C(0xBD164B0C41640D71), UINT64_C(0xD249EC0FFF2823C2),
UINT64_C(0xE6B60BA416528985), UINT64_C(0x89E9ACA7A81EA736),
UINT64_C(0x8E48C4F3C5A7DD0A), UINT64_C(0xE11763F07BEBF3B9),
UINT64_C(0xD5E8845B929159FE), UINT64_C(0xBAB723582CDD774D),
UINT64_C(0xA187C3EBCA2BB664), UINT64_C(0xCED864E8746798D7),
UINT64_C(0xFA2783439D1D3290), UINT64_C(0x9578244023511C23),
UINT64_C(0x92D94C144EE8661F), UINT64_C(0xFD86EB17F0A448AC),
UINT64_C(0xC9790CBC19DEE2EB), UINT64_C(0xA626ABBFA792CC58),
UINT64_C(0xC73BDD14C3AC1793), UINT64_C(0xA8647A177DE03920),
UINT64_C(0x9C9B9DBC949A9367), UINT64_C(0xF3C43ABF2AD6BDD4),
UINT64_C(0xF46552EB476FC7E8), UINT64_C(0x9B3AF5E8F923E95B),
UINT64_C(0xAFC512431059431C), UINT64_C(0xC09AB540AE156DAF),
UINT64_C(0xE8E1F0BAF28A2D19), UINT64_C(0x87BE57B94CC603AA),
UINT64_C(0xB341B012A5BCA9ED), UINT64_C(0xDC1E17111BF0875E),
UINT64_C(0xDBBF7F457649FD62), UINT64_C(0xB4E0D846C805D3D1),
UINT64_C(0x801F3FED217F7996), UINT64_C(0xEF4098EE9F335725),
UINT64_C(0x8E5DEE45FB0D8CEE), UINT64_C(0xE10249464541A25D),
UINT64_C(0xD5FDAEEDAC3B081A), UINT64_C(0xBAA209EE127726A9),
UINT64_C(0xBD0361BA7FCE5C95), UINT64_C(0xD25CC6B9C1827226),
UINT64_C(0xE6A3211228F8D861), UINT64_C(0x89FC861196B4F6D2),
UINT64_C(0x334BA549BA69819F), UINT64_C(0x5C14024A0425AF2C),
UINT64_C(0x68EBE5E1ED5F056B), UINT64_C(0x07B442E253132BD8),
UINT64_C(0x00152AB63EAA51E4), UINT64_C(0x6F4A8DB580E67F57),
UINT64_C(0x5BB56A1E699CD510), UINT64_C(0x34EACD1DD7D0FBA3),
UINT64_C(0x55F7BBB6B3EE2068), UINT64_C(0x3AA81CB50DA20EDB),
UINT64_C(0x0E57FB1EE4D8A49C), UINT64_C(0x61085C1D5A948A2F),
UINT64_C(0x66A93449372DF013), UINT64_C(0x09F6934A8961DEA0),
UINT64_C(0x3D0974E1601B74E7), UINT64_C(0x5256D3E2DE575A54),
UINT64_C(0x7A2D961882C81AE2), UINT64_C(0x1572311B3C843451),
UINT64_C(0x218DD6B0D5FE9E16), UINT64_C(0x4ED271B36BB2B0A5),
UINT64_C(0x497319E7060BCA99), UINT64_C(0x262CBEE4B847E42A),
UINT64_C(0x12D3594F513D4E6D), UINT64_C(0x7D8CFE4CEF7160DE),
UINT64_C(0x1C9188E78B4FBB15), UINT64_C(0x73CE2FE4350395A6),
UINT64_C(0x4731C84FDC793FE1), UINT64_C(0x286E6F4C62351152),
UINT64_C(0x2FCF07180F8C6B6E), UINT64_C(0x4090A01BB1C045DD),
UINT64_C(0x746F47B058BAEF9A), UINT64_C(0x1B30E0B3E6F6C129),
UINT64_C(0x420F87D795576CC9), UINT64_C(0x2D5020D42B1B427A),
UINT64_C(0x19AFC77FC261E83D), UINT64_C(0x76F0607C7C2DC68E),
UINT64_C(0x715108281194BCB2), UINT64_C(0x1E0EAF2BAFD89201),
UINT64_C(0x2AF1488046A23846), UINT64_C(0x45AEEF83F8EE16F5),
UINT64_C(0x24B399289CD0CD3E), UINT64_C(0x4BEC3E2B229CE38D),
UINT64_C(0x7F13D980CBE649CA), UINT64_C(0x104C7E8375AA6779),
UINT64_C(0x17ED16D718131D45), UINT64_C(0x78B2B1D4A65F33F6),
UINT64_C(0x4C4D567F4F2599B1), UINT64_C(0x2312F17CF169B702),
UINT64_C(0x0B69B486ADF6F7B4), UINT64_C(0x6436138513BAD907),
UINT64_C(0x50C9F42EFAC07340), UINT64_C(0x3F96532D448C5DF3),
UINT64_C(0x38373B79293527CF), UINT64_C(0x57689C7A9779097C),
UINT64_C(0x63977BD17E03A33B), UINT64_C(0x0CC8DCD2C04F8D88),
UINT64_C(0x6DD5AA79A4715643), UINT64_C(0x028A0D7A1A3D78F0),
UINT64_C(0x3675EAD1F347D2B7), UINT64_C(0x592A4DD24D0BFC04),
UINT64_C(0x5E8B258620B28638), UINT64_C(0x31D482859EFEA88B),
UINT64_C(0x052B652E778402CC), UINT64_C(0x6A74C22DC9C82C7F),
UINT64_C(0xD0C3E175E5155B32), UINT64_C(0xBF9C46765B597581),
UINT64_C(0x8B63A1DDB223DFC6), UINT64_C(0xE43C06DE0C6FF175),
UINT64_C(0xE39D6E8A61D68B49), UINT64_C(0x8CC2C989DF9AA5FA),
UINT64_C(0xB83D2E2236E00FBD), UINT64_C(0xD762892188AC210E),
UINT64_C(0xB67FFF8AEC92FAC5), UINT64_C(0xD920588952DED476),
UINT64_C(0xEDDFBF22BBA47E31), UINT64_C(0x8280182105E85082),
UINT64_C(0x8521707568512ABE), UINT64_C(0xEA7ED776D61D040D),
UINT64_C(0xDE8130DD3F67AE4A), UINT64_C(0xB1DE97DE812B80F9),
UINT64_C(0x99A5D224DDB4C04F), UINT64_C(0xF6FA752763F8EEFC),
UINT64_C(0xC205928C8A8244BB), UINT64_C(0xAD5A358F34CE6A08),
UINT64_C(0xAAFB5DDB59771034), UINT64_C(0xC5A4FAD8E73B3E87),
UINT64_C(0xF15B1D730E4194C0), UINT64_C(0x9E04BA70B00DBA73),
UINT64_C(0xFF19CCDBD43361B8), UINT64_C(0x90466BD86A7F4F0B),
UINT64_C(0xA4B98C738305E54C), UINT64_C(0xCBE62B703D49CBFF),
UINT64_C(0xCC47432450F0B1C3), UINT64_C(0xA318E427EEBC9F70),
UINT64_C(0x97E7038C07C63537), UINT64_C(0xF8B8A48FB98A1B84),
UINT64_C(0xE388443C5F7CDAAD), UINT64_C(0x8CD7E33FE130F41E),
UINT64_C(0xB8280494084A5E59), UINT64_C(0xD777A397B60670EA),
UINT64_C(0xD0D6CBC3DBBF0AD6), UINT64_C(0xBF896CC065F32465),
UINT64_C(0x8B768B6B8C898E22), UINT64_C(0xE4292C6832C5A091),
UINT64_C(0x85345AC356FB7B5A), UINT64_C(0xEA6BFDC0E8B755E9),
UINT64_C(0xDE941A6B01CDFFAE), UINT64_C(0xB1CBBD68BF81D11D),
UINT64_C(0xB66AD53CD238AB21), UINT64_C(0xD935723F6C748592),
UINT64_C(0xEDCA9594850E2FD5), UINT64_C(0x829532973B420166),
UINT64_C(0xAAEE776D67DD41D0), UINT64_C(0xC5B1D06ED9916F63),
UINT64_C(0xF14E37C530EBC524), UINT64_C(0x9E1190C68EA7EB97),
UINT64_C(0x99B0F892E31E91AB), UINT64_C(0xF6EF5F915D52BF18),
UINT64_C(0xC210B83AB428155F), UINT64_C(0xAD4F1F390A643BEC),
UINT64_C(0xCC5269926E5AE027), UINT64_C(0xA30DCE91D016CE94),
UINT64_C(0x97F2293A396C64D3), UINT64_C(0xF8AD8E3987204A60),
UINT64_C(0xFF0CE66DEA99305C), UINT64_C(0x9053416E54D51EEF),
UINT64_C(0xA4ACA6C5BDAFB4A8), UINT64_C(0xCBF301C603E39A1B),
UINT64_C(0x7144229E2F3EED56), UINT64_C(0x1E1B859D9172C3E5),
UINT64_C(0x2AE46236780869A2), UINT64_C(0x45BBC535C6444711),
UINT64_C(0x421AAD61ABFD3D2D), UINT64_C(0x2D450A6215B1139E),
UINT64_C(0x19BAEDC9FCCBB9D9), UINT64_C(0x76E54ACA4287976A),
UINT64_C(0x17F83C6126B94CA1), UINT64_C(0x78A79B6298F56212),
UINT64_C(0x4C587CC9718FC855), UINT64_C(0x2307DBCACFC3E6E6),
UINT64_C(0x24A6B39EA27A9CDA), UINT64_C(0x4BF9149D1C36B269),
UINT64_C(0x7F06F336F54C182E), UINT64_C(0x105954354B00369D),
UINT64_C(0x382211CF179F762B), UINT64_C(0x577DB6CCA9D35898),
UINT64_C(0x6382516740A9F2DF), UINT64_C(0x0CDDF664FEE5DC6C),
UINT64_C(0x0B7C9E30935CA650), UINT64_C(0x642339332D1088E3),
UINT64_C(0x50DCDE98C46A22A4), UINT64_C(0x3F83799B7A260C17),
UINT64_C(0x5E9E0F301E18D7DC), UINT64_C(0x31C1A833A054F96F),
UINT64_C(0x053E4F98492E5328), UINT64_C(0x6A61E89BF7627D9B),
UINT64_C(0x6DC080CF9ADB07A7), UINT64_C(0x029F27CC24972914),
UINT64_C(0x3660C067CDED8353), UINT64_C(0x593F676473A1ADE0)
}, {
UINT64_C(0x0000000000000000), UINT64_C(0x0DF1D05C9279E954),
UINT64_C(0x1AE2A1B924F3D2A9), UINT64_C(0x171371E5B68A3BFD),
UINT64_C(0xB1DA4DDC62497DC1), UINT64_C(0xBC2B9D80F0309495),
UINT64_C(0xAB38EC6546BAAF68), UINT64_C(0xA6C93C39D4C3463C),
UINT64_C(0xE7AB9517EE3D2210), UINT64_C(0xEA5A454B7C44CB44),
UINT64_C(0xFD4934AECACEF0B9), UINT64_C(0xF0B8E4F258B719ED),
UINT64_C(0x5671D8CB8C745FD1), UINT64_C(0x5B8008971E0DB685),
UINT64_C(0x4C937972A8878D78), UINT64_C(0x4162A92E3AFE642C),
UINT64_C(0xCE572B2FDC7B4420), UINT64_C(0xC3A6FB734E02AD74),
UINT64_C(0xD4B58A96F8889689), UINT64_C(0xD9445ACA6AF17FDD),
UINT64_C(0x7F8D66F3BE3239E1), UINT64_C(0x727CB6AF2C4BD0B5),
UINT64_C(0x656FC74A9AC1EB48), UINT64_C(0x689E171608B8021C),
UINT64_C(0x29FCBE3832466630), UINT64_C(0x240D6E64A03F8F64),
UINT64_C(0x331E1F8116B5B499), UINT64_C(0x3EEFCFDD84CC5DCD),
UINT64_C(0x9826F3E4500F1BF1), UINT64_C(0x95D723B8C276F2A5),
UINT64_C(0x82C4525D74FCC958), UINT64_C(0x8F358201E685200C),
UINT64_C(0x9CAF565EB8F78840), UINT64_C(0x915E86022A8E6114),
UINT64_C(0x864DF7E79C045AE9), UINT64_C(0x8BBC27BB0E7DB3BD),
UINT64_C(0x2D751B82DABEF581), UINT64_C(0x2084CBDE48C71CD5),
UINT64_C(0x3797BA3BFE4D2728), UINT64_C(0x3A666A676C34CE7C),
UINT64_C(0x7B04C34956CAAA50), UINT64_C(0x76F51315C4B34304),
UINT64_C(0x61E662F0723978F9), UINT64_C(0x6C17B2ACE04091AD),
UINT64_C(0xCADE8E953483D791), UINT64_C(0xC72F5EC9A6FA3EC5),
UINT64_C(0xD03C2F2C10700538), UINT64_C(0xDDCDFF708209EC6C),
UINT64_C(0x52F87D71648CCC60), UINT64_C(0x5F09AD2DF6F52534),
UINT64_C(0x481ADCC8407F1EC9), UINT64_C(0x45EB0C94D206F79D),
UINT64_C(0xE32230AD06C5B1A1), UINT64_C(0xEED3E0F194BC58F5),
UINT64_C(0xF9C0911422366308), UINT64_C(0xF4314148B04F8A5C),
UINT64_C(0xB553E8668AB1EE70), UINT64_C(0xB8A2383A18C80724),
UINT64_C(0xAFB149DFAE423CD9), UINT64_C(0xA24099833C3BD58D),
UINT64_C(0x0489A5BAE8F893B1), UINT64_C(0x097875E67A817AE5),
UINT64_C(0x1E6B0403CC0B4118), UINT64_C(0x139AD45F5E72A84C),
UINT64_C(0x385FADBC70EF1181), UINT64_C(0x35AE7DE0E296F8D5),
UINT64_C(0x22BD0C05541CC328), UINT64_C(0x2F4CDC59C6652A7C),
UINT64_C(0x8985E06012A66C40), UINT64_C(0x8474303C80DF8514),
UINT64_C(0x936741D93655BEE9), UINT64_C(0x9E969185A42C57BD),
UINT64_C(0xDFF438AB9ED23391), UINT64_C(0xD205E8F70CABDAC5),
UINT64_C(0xC5169912BA21E138), UINT64_C(0xC8E7494E2858086C),
UINT64_C(0x6E2E7577FC9B4E50), UINT64_C(0x63DFA52B6EE2A704),
UINT64_C(0x74CCD4CED8689CF9), UINT64_C(0x793D04924A1175AD),
UINT64_C(0xF6088693AC9455A1), UINT64_C(0xFBF956CF3EEDBCF5),
UINT64_C(0xECEA272A88678708), UINT64_C(0xE11BF7761A1E6E5C),
UINT64_C(0x47D2CB4FCEDD2860), UINT64_C(0x4A231B135CA4C134),
UINT64_C(0x5D306AF6EA2EFAC9), UINT64_C(0x50C1BAAA7857139D),
UINT64_C(0x11A3138442A977B1), UINT64_C(0x1C52C3D8D0D09EE5),
UINT64_C(0x0B41B23D665AA518), UINT64_C(0x06B06261F4234C4C),
UINT64_C(0xA0795E5820E00A70), UINT64_C(0xAD888E04B299E324),
UINT64_C(0xBA9BFFE10413D8D9), UINT64_C(0xB76A2FBD966A318D),
UINT64_C(0xA4F0FBE2C81899C1), UINT64_C(0xA9012BBE5A617095),
UINT64_C(0xBE125A5BECEB4B68), UINT64_C(0xB3E38A077E92A23C),
UINT64_C(0x152AB63EAA51E400), UINT64_C(0x18DB666238280D54),
UINT64_C(0x0FC817878EA236A9), UINT64_C(0x0239C7DB1CDBDFFD),
UINT64_C(0x435B6EF52625BBD1), UINT64_C(0x4EAABEA9B45C5285),
UINT64_C(0x59B9CF4C02D66978), UINT64_C(0x54481F1090AF802C),
UINT64_C(0xF2812329446CC610), UINT64_C(0xFF70F375D6152F44),
UINT64_C(0xE8638290609F14B9), UINT64_C(0xE59252CCF2E6FDED),
UINT64_C(0x6AA7D0CD1463DDE1), UINT64_C(0x67560091861A34B5),
UINT64_C(0x7045717430900F48), UINT64_C(0x7DB4A128A2E9E61C),
UINT64_C(0xDB7D9D11762AA020), UINT64_C(0xD68C4D4DE4534974),
UINT64_C(0xC19F3CA852D97289), UINT64_C(0xCC6EECF4C0A09BDD),
UINT64_C(0x8D0C45DAFA5EFFF1), UINT64_C(0x80FD9586682716A5),
UINT64_C(0x97EEE463DEAD2D58), UINT64_C(0x9A1F343F4CD4C40C),
UINT64_C(0x3CD6080698178230), UINT64_C(0x3127D85A0A6E6B64),
UINT64_C(0x2634A9BFBCE45099), UINT64_C(0x2BC579E32E9DB9CD),
UINT64_C(0xF5A054D6CA71FB90), UINT64_C(0xF851848A580812C4),
UINT64_C(0xEF42F56FEE822939), UINT64_C(0xE2B325337CFBC06D),
UINT64_C(0x447A190AA8388651), UINT64_C(0x498BC9563A416F05),
UINT64_C(0x5E98B8B38CCB54F8), UINT64_C(0x536968EF1EB2BDAC),
UINT64_C(0x120BC1C1244CD980), UINT64_C(0x1FFA119DB63530D4),
UINT64_C(0x08E9607800BF0B29), UINT64_C(0x0518B02492C6E27D),
UINT64_C(0xA3D18C1D4605A441), UINT64_C(0xAE205C41D47C4D15),
UINT64_C(0xB9332DA462F676E8), UINT64_C(0xB4C2FDF8F08F9FBC),
UINT64_C(0x3BF77FF9160ABFB0), UINT64_C(0x3606AFA5847356E4),
UINT64_C(0x2115DE4032F96D19), UINT64_C(0x2CE40E1CA080844D),
UINT64_C(0x8A2D32257443C271), UINT64_C(0x87DCE279E63A2B25),
UINT64_C(0x90CF939C50B010D8), UINT64_C(0x9D3E43C0C2C9F98C),
UINT64_C(0xDC5CEAEEF8379DA0), UINT64_C(0xD1AD3AB26A4E74F4),
UINT64_C(0xC6BE4B57DCC44F09), UINT64_C(0xCB4F9B0B4EBDA65D),
UINT64_C(0x6D86A7329A7EE061), UINT64_C(0x6077776E08070935),
UINT64_C(0x7764068BBE8D32C8), UINT64_C(0x7A95D6D72CF4DB9C),
UINT64_C(0x690F0288728673D0), UINT64_C(0x64FED2D4E0FF9A84),
UINT64_C(0x73EDA3315675A179), UINT64_C(0x7E1C736DC40C482D),
UINT64_C(0xD8D54F5410CF0E11), UINT64_C(0xD5249F0882B6E745),
UINT64_C(0xC237EEED343CDCB8), UINT64_C(0xCFC63EB1A64535EC),
UINT64_C(0x8EA4979F9CBB51C0), UINT64_C(0x835547C30EC2B894),
UINT64_C(0x94463626B8488369), UINT64_C(0x99B7E67A2A316A3D),
UINT64_C(0x3F7EDA43FEF22C01), UINT64_C(0x328F0A1F6C8BC555),
UINT64_C(0x259C7BFADA01FEA8), UINT64_C(0x286DABA6487817FC),
UINT64_C(0xA75829A7AEFD37F0), UINT64_C(0xAAA9F9FB3C84DEA4),
UINT64_C(0xBDBA881E8A0EE559), UINT64_C(0xB04B584218770C0D),
UINT64_C(0x1682647BCCB44A31), UINT64_C(0x1B73B4275ECDA365),
UINT64_C(0x0C60C5C2E8479898), UINT64_C(0x0191159E7A3E71CC),
UINT64_C(0x40F3BCB040C015E0), UINT64_C(0x4D026CECD2B9FCB4),
UINT64_C(0x5A111D096433C749), UINT64_C(0x57E0CD55F64A2E1D),
UINT64_C(0xF129F16C22896821), UINT64_C(0xFCD82130B0F08175),
UINT64_C(0xEBCB50D5067ABA88), UINT64_C(0xE63A8089940353DC),
UINT64_C(0xCDFFF96ABA9EEA11), UINT64_C(0xC00E293628E70345),
UINT64_C(0xD71D58D39E6D38B8), UINT64_C(0xDAEC888F0C14D1EC),
UINT64_C(0x7C25B4B6D8D797D0), UINT64_C(0x71D464EA4AAE7E84),
UINT64_C(0x66C7150FFC244579), UINT64_C(0x6B36C5536E5DAC2D),
UINT64_C(0x2A546C7D54A3C801), UINT64_C(0x27A5BC21C6DA2155),
UINT64_C(0x30B6CDC470501AA8), UINT64_C(0x3D471D98E229F3FC),
UINT64_C(0x9B8E21A136EAB5C0), UINT64_C(0x967FF1FDA4935C94),
UINT64_C(0x816C801812196769), UINT64_C(0x8C9D504480608E3D),
UINT64_C(0x03A8D24566E5AE31), UINT64_C(0x0E590219F49C4765),
UINT64_C(0x194A73FC42167C98), UINT64_C(0x14BBA3A0D06F95CC),
UINT64_C(0xB2729F9904ACD3F0), UINT64_C(0xBF834FC596D53AA4),
UINT64_C(0xA8903E20205F0159), UINT64_C(0xA561EE7CB226E80D),
UINT64_C(0xE403475288D88C21), UINT64_C(0xE9F2970E1AA16575),
UINT64_C(0xFEE1E6EBAC2B5E88), UINT64_C(0xF31036B73E52B7DC),
UINT64_C(0x55D90A8EEA91F1E0), UINT64_C(0x5828DAD278E818B4),
UINT64_C(0x4F3BAB37CE622349), UINT64_C(0x42CA7B6B5C1BCA1D),
UINT64_C(0x5150AF3402696251), UINT64_C(0x5CA17F6890108B05),
UINT64_C(0x4BB20E8D269AB0F8), UINT64_C(0x4643DED1B4E359AC),
UINT64_C(0xE08AE2E860201F90), UINT64_C(0xED7B32B4F259F6C4),
UINT64_C(0xFA68435144D3CD39), UINT64_C(0xF799930DD6AA246D),
UINT64_C(0xB6FB3A23EC544041), UINT64_C(0xBB0AEA7F7E2DA915),
UINT64_C(0xAC199B9AC8A792E8), UINT64_C(0xA1E84BC65ADE7BBC),
UINT64_C(0x072177FF8E1D3D80), UINT64_C(0x0AD0A7A31C64D4D4),
UINT64_C(0x1DC3D646AAEEEF29), UINT64_C(0x1032061A3897067D),
UINT64_C(0x9F07841BDE122671), UINT64_C(0x92F654474C6BCF25),
UINT64_C(0x85E525A2FAE1F4D8), UINT64_C(0x8814F5FE68981D8C),
UINT64_C(0x2EDDC9C7BC5B5BB0), UINT64_C(0x232C199B2E22B2E4),
UINT64_C(0x343F687E98A88919), UINT64_C(0x39CEB8220AD1604D),
UINT64_C(0x78AC110C302F0461), UINT64_C(0x755DC150A256ED35),
UINT64_C(0x624EB0B514DCD6C8), UINT64_C(0x6FBF60E986A53F9C),
UINT64_C(0xC9765CD0526679A0), UINT64_C(0xC4878C8CC01F90F4),
UINT64_C(0xD394FD697695AB09), UINT64_C(0xDE652D35E4EC425D)
}, {
UINT64_C(0x0000000000000000), UINT64_C(0xCB6D6A914AE10B3F),
UINT64_C(0x96DBD42295C2177E), UINT64_C(0x5DB6BEB3DF231C41),
UINT64_C(0x2CB7A9452A852FFC), UINT64_C(0xE7DAC3D4606424C3),
UINT64_C(0xBA6C7D67BF473882), UINT64_C(0x710117F6F5A633BD),
UINT64_C(0xDD705D247FA5876A), UINT64_C(0x161D37B535448C55),
UINT64_C(0x4BAB8906EA679014), UINT64_C(0x80C6E397A0869B2B),
UINT64_C(0xF1C7F4615520A896), UINT64_C(0x3AAA9EF01FC1A3A9),
UINT64_C(0x671C2043C0E2BFE8), UINT64_C(0xAC714AD28A03B4D7),
UINT64_C(0xBAE1BA48FE4A0FD5), UINT64_C(0x718CD0D9B4AB04EA),
UINT64_C(0x2C3A6E6A6B8818AB), UINT64_C(0xE75704FB21691394),
UINT64_C(0x9656130DD4CF2029), UINT64_C(0x5D3B799C9E2E2B16),
UINT64_C(0x008DC72F410D3757), UINT64_C(0xCBE0ADBE0BEC3C68),
UINT64_C(0x6791E76C81EF88BF), UINT64_C(0xACFC8DFDCB0E8380),
UINT64_C(0xF14A334E142D9FC1), UINT64_C(0x3A2759DF5ECC94FE),
UINT64_C(0x4B264E29AB6AA743), UINT64_C(0x804B24B8E18BAC7C),
UINT64_C(0xDDFD9A0B3EA8B03D), UINT64_C(0x1690F09A7449BB02),
UINT64_C(0xF1DD7B3ED73AC638), UINT64_C(0x3AB011AF9DDBCD07),
UINT64_C(0x6706AF1C42F8D146), UINT64_C(0xAC6BC58D0819DA79),
UINT64_C(0xDD6AD27BFDBFE9C4), UINT64_C(0x1607B8EAB75EE2FB),
UINT64_C(0x4BB10659687DFEBA), UINT64_C(0x80DC6CC8229CF585),
UINT64_C(0x2CAD261AA89F4152), UINT64_C(0xE7C04C8BE27E4A6D),
UINT64_C(0xBA76F2383D5D562C), UINT64_C(0x711B98A977BC5D13),
UINT64_C(0x001A8F5F821A6EAE), UINT64_C(0xCB77E5CEC8FB6591),
UINT64_C(0x96C15B7D17D879D0), UINT64_C(0x5DAC31EC5D3972EF),
UINT64_C(0x4B3CC1762970C9ED), UINT64_C(0x8051ABE76391C2D2),
UINT64_C(0xDDE71554BCB2DE93), UINT64_C(0x168A7FC5F653D5AC),
UINT64_C(0x678B683303F5E611), UINT64_C(0xACE602A24914ED2E),
UINT64_C(0xF150BC119637F16F), UINT64_C(0x3A3DD680DCD6FA50),
UINT64_C(0x964C9C5256D54E87), UINT64_C(0x5D21F6C31C3445B8),
UINT64_C(0x00974870C31759F9), UINT64_C(0xCBFA22E189F652C6),
UINT64_C(0xBAFB35177C50617B), UINT64_C(0x71965F8636B16A44),
UINT64_C(0x2C20E135E9927605), UINT64_C(0xE74D8BA4A3737D3A),
UINT64_C(0xE2BBF77CAE758C71), UINT64_C(0x29D69DEDE494874E),
UINT64_C(0x7460235E3BB79B0F), UINT64_C(0xBF0D49CF71569030),
UINT64_C(0xCE0C5E3984F0A38D), UINT64_C(0x056134A8CE11A8B2),
UINT64_C(0x58D78A1B1132B4F3), UINT64_C(0x93BAE08A5BD3BFCC),
UINT64_C(0x3FCBAA58D1D00B1B), UINT64_C(0xF4A6C0C99B310024),
UINT64_C(0xA9107E7A44121C65), UINT64_C(0x627D14EB0EF3175A),
UINT64_C(0x137C031DFB5524E7), UINT64_C(0xD811698CB1B42FD8),
UINT64_C(0x85A7D73F6E973399), UINT64_C(0x4ECABDAE247638A6),
UINT64_C(0x585A4D34503F83A4), UINT64_C(0x933727A51ADE889B),
UINT64_C(0xCE819916C5FD94DA), UINT64_C(0x05ECF3878F1C9FE5),
UINT64_C(0x74EDE4717ABAAC58), UINT64_C(0xBF808EE0305BA767),
UINT64_C(0xE2363053EF78BB26), UINT64_C(0x295B5AC2A599B019),
UINT64_C(0x852A10102F9A04CE), UINT64_C(0x4E477A81657B0FF1),
UINT64_C(0x13F1C432BA5813B0), UINT64_C(0xD89CAEA3F0B9188F),
UINT64_C(0xA99DB955051F2B32), UINT64_C(0x62F0D3C44FFE200D),
UINT64_C(0x3F466D7790DD3C4C), UINT64_C(0xF42B07E6DA3C3773),
UINT64_C(0x13668C42794F4A49), UINT64_C(0xD80BE6D333AE4176),
UINT64_C(0x85BD5860EC8D5D37), UINT64_C(0x4ED032F1A66C5608),
UINT64_C(0x3FD1250753CA65B5), UINT64_C(0xF4BC4F96192B6E8A),
UINT64_C(0xA90AF125C60872CB), UINT64_C(0x62679BB48CE979F4),
UINT64_C(0xCE16D16606EACD23), UINT64_C(0x057BBBF74C0BC61C),
UINT64_C(0x58CD05449328DA5D), UINT64_C(0x93A06FD5D9C9D162),
UINT64_C(0xE2A178232C6FE2DF), UINT64_C(0x29CC12B2668EE9E0),
UINT64_C(0x747AAC01B9ADF5A1), UINT64_C(0xBF17C690F34CFE9E),
UINT64_C(0xA987360A8705459C), UINT64_C(0x62EA5C9BCDE44EA3),
UINT64_C(0x3F5CE22812C752E2), UINT64_C(0xF43188B9582659DD),
UINT64_C(0x85309F4FAD806A60), UINT64_C(0x4E5DF5DEE761615F),
UINT64_C(0x13EB4B6D38427D1E), UINT64_C(0xD88621FC72A37621),
UINT64_C(0x74F76B2EF8A0C2F6), UINT64_C(0xBF9A01BFB241C9C9),
UINT64_C(0xE22CBF0C6D62D588), UINT64_C(0x2941D59D2783DEB7),
UINT64_C(0x5840C26BD225ED0A), UINT64_C(0x932DA8FA98C4E635),
UINT64_C(0xCE9B164947E7FA74), UINT64_C(0x05F67CD80D06F14B),
UINT64_C(0xC477EFF95CEB18E3), UINT64_C(0x0F1A8568160A13DC),
UINT64_C(0x52AC3BDBC9290F9D), UINT64_C(0x99C1514A83C804A2),
UINT64_C(0xE8C046BC766E371F), UINT64_C(0x23AD2C2D3C8F3C20),
UINT64_C(0x7E1B929EE3AC2061), UINT64_C(0xB576F80FA94D2B5E),
UINT64_C(0x1907B2DD234E9F89), UINT64_C(0xD26AD84C69AF94B6),
UINT64_C(0x8FDC66FFB68C88F7), UINT64_C(0x44B10C6EFC6D83C8),
UINT64_C(0x35B01B9809CBB075), UINT64_C(0xFEDD7109432ABB4A),
UINT64_C(0xA36BCFBA9C09A70B), UINT64_C(0x6806A52BD6E8AC34),
UINT64_C(0x7E9655B1A2A11736), UINT64_C(0xB5FB3F20E8401C09),
UINT64_C(0xE84D819337630048), UINT64_C(0x2320EB027D820B77),
UINT64_C(0x5221FCF4882438CA), UINT64_C(0x994C9665C2C533F5),
UINT64_C(0xC4FA28D61DE62FB4), UINT64_C(0x0F9742475707248B),
UINT64_C(0xA3E60895DD04905C), UINT64_C(0x688B620497E59B63),
UINT64_C(0x353DDCB748C68722), UINT64_C(0xFE50B62602278C1D),
UINT64_C(0x8F51A1D0F781BFA0), UINT64_C(0x443CCB41BD60B49F),
UINT64_C(0x198A75F26243A8DE), UINT64_C(0xD2E71F6328A2A3E1),
UINT64_C(0x35AA94C78BD1DEDB), UINT64_C(0xFEC7FE56C130D5E4),
UINT64_C(0xA37140E51E13C9A5), UINT64_C(0x681C2A7454F2C29A),
UINT64_C(0x191D3D82A154F127), UINT64_C(0xD2705713EBB5FA18),
UINT64_C(0x8FC6E9A03496E659), UINT64_C(0x44AB83317E77ED66),
UINT64_C(0xE8DAC9E3F47459B1), UINT64_C(0x23B7A372BE95528E),
UINT64_C(0x7E011DC161B64ECF), UINT64_C(0xB56C77502B5745F0),
UINT64_C(0xC46D60A6DEF1764D), UINT64_C(0x0F000A3794107D72),
UINT64_C(0x52B6B4844B336133), UINT64_C(0x99DBDE1501D26A0C),
UINT64_C(0x8F4B2E8F759BD10E), UINT64_C(0x4426441E3F7ADA31),
UINT64_C(0x1990FAADE059C670), UINT64_C(0xD2FD903CAAB8CD4F),
UINT64_C(0xA3FC87CA5F1EFEF2), UINT64_C(0x6891ED5B15FFF5CD),
UINT64_C(0x352753E8CADCE98C), UINT64_C(0xFE4A3979803DE2B3),
UINT64_C(0x523B73AB0A3E5664), UINT64_C(0x9956193A40DF5D5B),
UINT64_C(0xC4E0A7899FFC411A), UINT64_C(0x0F8DCD18D51D4A25),
UINT64_C(0x7E8CDAEE20BB7998), UINT64_C(0xB5E1B07F6A5A72A7),
UINT64_C(0xE8570ECCB5796EE6), UINT64_C(0x233A645DFF9865D9),
UINT64_C(0x26CC1885F29E9492), UINT64_C(0xEDA17214B87F9FAD),
UINT64_C(0xB017CCA7675C83EC), UINT64_C(0x7B7AA6362DBD88D3),
UINT64_C(0x0A7BB1C0D81BBB6E), UINT64_C(0xC116DB5192FAB051),
UINT64_C(0x9CA065E24DD9AC10), UINT64_C(0x57CD0F730738A72F),
UINT64_C(0xFBBC45A18D3B13F8), UINT64_C(0x30D12F30C7DA18C7),
UINT64_C(0x6D67918318F90486), UINT64_C(0xA60AFB1252180FB9),
UINT64_C(0xD70BECE4A7BE3C04), UINT64_C(0x1C668675ED5F373B),
UINT64_C(0x41D038C6327C2B7A), UINT64_C(0x8ABD5257789D2045),
UINT64_C(0x9C2DA2CD0CD49B47), UINT64_C(0x5740C85C46359078),
UINT64_C(0x0AF676EF99168C39), UINT64_C(0xC19B1C7ED3F78706),
UINT64_C(0xB09A0B882651B4BB), UINT64_C(0x7BF761196CB0BF84),
UINT64_C(0x2641DFAAB393A3C5), UINT64_C(0xED2CB53BF972A8FA),
UINT64_C(0x415DFFE973711C2D), UINT64_C(0x8A30957839901712),
UINT64_C(0xD7862BCBE6B30B53), UINT64_C(0x1CEB415AAC52006C),
UINT64_C(0x6DEA56AC59F433D1), UINT64_C(0xA6873C3D131538EE),
UINT64_C(0xFB31828ECC3624AF), UINT64_C(0x305CE81F86D72F90),
UINT64_C(0xD71163BB25A452AA), UINT64_C(0x1C7C092A6F455995),
UINT64_C(0x41CAB799B06645D4), UINT64_C(0x8AA7DD08FA874EEB),
UINT64_C(0xFBA6CAFE0F217D56), UINT64_C(0x30CBA06F45C07669),
UINT64_C(0x6D7D1EDC9AE36A28), UINT64_C(0xA610744DD0026117),
UINT64_C(0x0A613E9F5A01D5C0), UINT64_C(0xC10C540E10E0DEFF),
UINT64_C(0x9CBAEABDCFC3C2BE), UINT64_C(0x57D7802C8522C981),
UINT64_C(0x26D697DA7084FA3C), UINT64_C(0xEDBBFD4B3A65F103),
UINT64_C(0xB00D43F8E546ED42), UINT64_C(0x7B602969AFA7E67D),
UINT64_C(0x6DF0D9F3DBEE5D7F), UINT64_C(0xA69DB362910F5640),
UINT64_C(0xFB2B0DD14E2C4A01), UINT64_C(0x3046674004CD413E),
UINT64_C(0x414770B6F16B7283), UINT64_C(0x8A2A1A27BB8A79BC),
UINT64_C(0xD79CA49464A965FD), UINT64_C(0x1CF1CE052E486EC2),
UINT64_C(0xB08084D7A44BDA15), UINT64_C(0x7BEDEE46EEAAD12A),
UINT64_C(0x265B50F53189CD6B), UINT64_C(0xED363A647B68C654),
UINT64_C(0x9C372D928ECEF5E9), UINT64_C(0x575A4703C42FFED6),
UINT64_C(0x0AECF9B01B0CE297), UINT64_C(0xC181932151EDE9A8)
}, {
UINT64_C(0x0000000000000000), UINT64_C(0xDCA12C225E8AEE1D),
UINT64_C(0xB8435944BC14DD3B), UINT64_C(0x64E27566E29E3326),
UINT64_C(0x7087B2887829BA77), UINT64_C(0xAC269EAA26A3546A),
UINT64_C(0xC8C4EBCCC43D674C), UINT64_C(0x1465C7EE9AB78951),
UINT64_C(0xE00E6511F15274EF), UINT64_C(0x3CAF4933AFD89AF2),
UINT64_C(0x584D3C554D46A9D4), UINT64_C(0x84EC107713CC47C9),
UINT64_C(0x9089D799897BCE98), UINT64_C(0x4C28FBBBD7F12085),
UINT64_C(0x28CA8EDD356F13A3), UINT64_C(0xF46BA2FF6BE5FDBE),
UINT64_C(0x4503C48DC90A304C), UINT64_C(0x99A2E8AF9780DE51),
UINT64_C(0xFD409DC9751EED77), UINT64_C(0x21E1B1EB2B94036A),
UINT64_C(0x35847605B1238A3B), UINT64_C(0xE9255A27EFA96426),
UINT64_C(0x8DC72F410D375700), UINT64_C(0x5166036353BDB91D),
UINT64_C(0xA50DA19C385844A3), UINT64_C(0x79AC8DBE66D2AABE),
UINT64_C(0x1D4EF8D8844C9998), UINT64_C(0xC1EFD4FADAC67785),
UINT64_C(0xD58A13144071FED4), UINT64_C(0x092B3F361EFB10C9),
UINT64_C(0x6DC94A50FC6523EF), UINT64_C(0xB1686672A2EFCDF2),
UINT64_C(0x8A06881B93156098), UINT64_C(0x56A7A439CD9F8E85),
UINT64_C(0x3245D15F2F01BDA3), UINT64_C(0xEEE4FD7D718B53BE),
UINT64_C(0xFA813A93EB3CDAEF), UINT64_C(0x262016B1B5B634F2),
UINT64_C(0x42C263D7572807D4), UINT64_C(0x9E634FF509A2E9C9),
UINT64_C(0x6A08ED0A62471477), UINT64_C(0xB6A9C1283CCDFA6A),
UINT64_C(0xD24BB44EDE53C94C), UINT64_C(0x0EEA986C80D92751),
UINT64_C(0x1A8F5F821A6EAE00), UINT64_C(0xC62E73A044E4401D),
UINT64_C(0xA2CC06C6A67A733B), UINT64_C(0x7E6D2AE4F8F09D26),
UINT64_C(0xCF054C965A1F50D4), UINT64_C(0x13A460B40495BEC9),
UINT64_C(0x774615D2E60B8DEF), UINT64_C(0xABE739F0B88163F2),
UINT64_C(0xBF82FE1E2236EAA3), UINT64_C(0x6323D23C7CBC04BE),
UINT64_C(0x07C1A75A9E223798), UINT64_C(0xDB608B78C0A8D985),
UINT64_C(0x2F0B2987AB4D243B), UINT64_C(0xF3AA05A5F5C7CA26),
UINT64_C(0x974870C31759F900), UINT64_C(0x4BE95CE149D3171D),
UINT64_C(0x5F8C9B0FD3649E4C), UINT64_C(0x832DB72D8DEE7051),
UINT64_C(0xE7CFC24B6F704377), UINT64_C(0x3B6EEE6931FAAD6A),
UINT64_C(0x91131E980D8418A2), UINT64_C(0x4DB232BA530EF6BF),
UINT64_C(0x295047DCB190C599), UINT64_C(0xF5F16BFEEF1A2B84),
UINT64_C(0xE194AC1075ADA2D5), UINT64_C(0x3D3580322B274CC8),
UINT64_C(0x59D7F554C9B97FEE), UINT64_C(0x8576D976973391F3),
UINT64_C(0x711D7B89FCD66C4D), UINT64_C(0xADBC57ABA25C8250),
UINT64_C(0xC95E22CD40C2B176), UINT64_C(0x15FF0EEF1E485F6B),
UINT64_C(0x019AC90184FFD63A), UINT64_C(0xDD3BE523DA753827),
UINT64_C(0xB9D9904538EB0B01), UINT64_C(0x6578BC676661E51C),
UINT64_C(0xD410DA15C48E28EE), UINT64_C(0x08B1F6379A04C6F3),
UINT64_C(0x6C538351789AF5D5), UINT64_C(0xB0F2AF7326101BC8),
UINT64_C(0xA497689DBCA79299), UINT64_C(0x783644BFE22D7C84),
UINT64_C(0x1CD431D900B34FA2), UINT64_C(0xC0751DFB5E39A1BF),
UINT64_C(0x341EBF0435DC5C01), UINT64_C(0xE8BF93266B56B21C),
UINT64_C(0x8C5DE64089C8813A), UINT64_C(0x50FCCA62D7426F27),
UINT64_C(0x44990D8C4DF5E676), UINT64_C(0x983821AE137F086B),
UINT64_C(0xFCDA54C8F1E13B4D), UINT64_C(0x207B78EAAF6BD550),
UINT64_C(0x1B1596839E91783A), UINT64_C(0xC7B4BAA1C01B9627),
UINT64_C(0xA356CFC72285A501), UINT64_C(0x7FF7E3E57C0F4B1C),
UINT64_C(0x6B92240BE6B8C24D), UINT64_C(0xB7330829B8322C50),
UINT64_C(0xD3D17D4F5AAC1F76), UINT64_C(0x0F70516D0426F16B),
UINT64_C(0xFB1BF3926FC30CD5), UINT64_C(0x27BADFB03149E2C8),
UINT64_C(0x4358AAD6D3D7D1EE), UINT64_C(0x9FF986F48D5D3FF3),
UINT64_C(0x8B9C411A17EAB6A2), UINT64_C(0x573D6D38496058BF),
UINT64_C(0x33DF185EABFE6B99), UINT64_C(0xEF7E347CF5748584),
UINT64_C(0x5E16520E579B4876), UINT64_C(0x82B77E2C0911A66B),
UINT64_C(0xE6550B4AEB8F954D), UINT64_C(0x3AF42768B5057B50),
UINT64_C(0x2E91E0862FB2F201), UINT64_C(0xF230CCA471381C1C),
UINT64_C(0x96D2B9C293A62F3A), UINT64_C(0x4A7395E0CD2CC127),
UINT64_C(0xBE18371FA6C93C99), UINT64_C(0x62B91B3DF843D284),
UINT64_C(0x065B6E5B1ADDE1A2), UINT64_C(0xDAFA427944570FBF),
UINT64_C(0xCE9F8597DEE086EE), UINT64_C(0x123EA9B5806A68F3),
UINT64_C(0x76DCDCD362F45BD5), UINT64_C(0xAA7DF0F13C7EB5C8),
UINT64_C(0xA739329F30A7E9D6), UINT64_C(0x7B981EBD6E2D07CB),
UINT64_C(0x1F7A6BDB8CB334ED), UINT64_C(0xC3DB47F9D239DAF0),
UINT64_C(0xD7BE8017488E53A1), UINT64_C(0x0B1FAC351604BDBC),
UINT64_C(0x6FFDD953F49A8E9A), UINT64_C(0xB35CF571AA106087),
UINT64_C(0x4737578EC1F59D39), UINT64_C(0x9B967BAC9F7F7324),
UINT64_C(0xFF740ECA7DE14002), UINT64_C(0x23D522E8236BAE1F),
UINT64_C(0x37B0E506B9DC274E), UINT64_C(0xEB11C924E756C953),
UINT64_C(0x8FF3BC4205C8FA75), UINT64_C(0x535290605B421468),
UINT64_C(0xE23AF612F9ADD99A), UINT64_C(0x3E9BDA30A7273787),
UINT64_C(0x5A79AF5645B904A1), UINT64_C(0x86D883741B33EABC),
UINT64_C(0x92BD449A818463ED), UINT64_C(0x4E1C68B8DF0E8DF0),
UINT64_C(0x2AFE1DDE3D90BED6), UINT64_C(0xF65F31FC631A50CB),
UINT64_C(0x0234930308FFAD75), UINT64_C(0xDE95BF2156754368),
UINT64_C(0xBA77CA47B4EB704E), UINT64_C(0x66D6E665EA619E53),
UINT64_C(0x72B3218B70D61702), UINT64_C(0xAE120DA92E5CF91F),
UINT64_C(0xCAF078CFCCC2CA39), UINT64_C(0x165154ED92482424),
UINT64_C(0x2D3FBA84A3B2894E), UINT64_C(0xF19E96A6FD386753),
UINT64_C(0x957CE3C01FA65475), UINT64_C(0x49DDCFE2412CBA68),
UINT64_C(0x5DB8080CDB9B3339), UINT64_C(0x8119242E8511DD24),
UINT64_C(0xE5FB5148678FEE02), UINT64_C(0x395A7D6A3905001F),
UINT64_C(0xCD31DF9552E0FDA1), UINT64_C(0x1190F3B70C6A13BC),
UINT64_C(0x757286D1EEF4209A), UINT64_C(0xA9D3AAF3B07ECE87),
UINT64_C(0xBDB66D1D2AC947D6), UINT64_C(0x6117413F7443A9CB),
UINT64_C(0x05F5345996DD9AED), UINT64_C(0xD954187BC85774F0),
UINT64_C(0x683C7E096AB8B902), UINT64_C(0xB49D522B3432571F),
UINT64_C(0xD07F274DD6AC6439), UINT64_C(0x0CDE0B6F88268A24),
UINT64_C(0x18BBCC8112910375), UINT64_C(0xC41AE0A34C1BED68),
UINT64_C(0xA0F895C5AE85DE4E), UINT64_C(0x7C59B9E7F00F3053),
UINT64_C(0x88321B189BEACDED), UINT64_C(0x5493373AC56023F0),
UINT64_C(0x3071425C27FE10D6), UINT64_C(0xECD06E7E7974FECB),
UINT64_C(0xF8B5A990E3C3779A), UINT64_C(0x241485B2BD499987),
UINT64_C(0x40F6F0D45FD7AAA1), UINT64_C(0x9C57DCF6015D44BC),
UINT64_C(0x362A2C073D23F174), UINT64_C(0xEA8B002563A91F69),
UINT64_C(0x8E69754381372C4F), UINT64_C(0x52C85961DFBDC252),
UINT64_C(0x46AD9E8F450A4B03), UINT64_C(0x9A0CB2AD1B80A51E),
UINT64_C(0xFEEEC7CBF91E9638), UINT64_C(0x224FEBE9A7947825),
UINT64_C(0xD6244916CC71859B), UINT64_C(0x0A85653492FB6B86),
UINT64_C(0x6E671052706558A0), UINT64_C(0xB2C63C702EEFB6BD),
UINT64_C(0xA6A3FB9EB4583FEC), UINT64_C(0x7A02D7BCEAD2D1F1),
UINT64_C(0x1EE0A2DA084CE2D7), UINT64_C(0xC2418EF856C60CCA),
UINT64_C(0x7329E88AF429C138), UINT64_C(0xAF88C4A8AAA32F25),
UINT64_C(0xCB6AB1CE483D1C03), UINT64_C(0x17CB9DEC16B7F21E),
UINT64_C(0x03AE5A028C007B4F), UINT64_C(0xDF0F7620D28A9552),
UINT64_C(0xBBED03463014A674), UINT64_C(0x674C2F646E9E4869),
UINT64_C(0x93278D9B057BB5D7), UINT64_C(0x4F86A1B95BF15BCA),
UINT64_C(0x2B64D4DFB96F68EC), UINT64_C(0xF7C5F8FDE7E586F1),
UINT64_C(0xE3A03F137D520FA0), UINT64_C(0x3F01133123D8E1BD),
UINT64_C(0x5BE36657C146D29B), UINT64_C(0x87424A759FCC3C86),
UINT64_C(0xBC2CA41CAE3691EC), UINT64_C(0x608D883EF0BC7FF1),
UINT64_C(0x046FFD5812224CD7), UINT64_C(0xD8CED17A4CA8A2CA),
UINT64_C(0xCCAB1694D61F2B9B), UINT64_C(0x100A3AB68895C586),
UINT64_C(0x74E84FD06A0BF6A0), UINT64_C(0xA84963F2348118BD),
UINT64_C(0x5C22C10D5F64E503), UINT64_C(0x8083ED2F01EE0B1E),
UINT64_C(0xE4619849E3703838), UINT64_C(0x38C0B46BBDFAD625),
UINT64_C(0x2CA57385274D5F74), UINT64_C(0xF0045FA779C7B169),
UINT64_C(0x94E62AC19B59824F), UINT64_C(0x484706E3C5D36C52),
UINT64_C(0xF92F6091673CA1A0), UINT64_C(0x258E4CB339B64FBD),
UINT64_C(0x416C39D5DB287C9B), UINT64_C(0x9DCD15F785A29286),
UINT64_C(0x89A8D2191F151BD7), UINT64_C(0x5509FE3B419FF5CA),
UINT64_C(0x31EB8B5DA301C6EC), UINT64_C(0xED4AA77FFD8B28F1),
UINT64_C(0x19210580966ED54F), UINT64_C(0xC58029A2C8E43B52),
UINT64_C(0xA1625CC42A7A0874), UINT64_C(0x7DC370E674F0E669),
UINT64_C(0x69A6B708EE476F38), UINT64_C(0xB5079B2AB0CD8125),
UINT64_C(0xD1E5EE4C5253B203), UINT64_C(0x0D44C26E0CD95C1E)
}
};

521
external/public-domain/xz/dist/src/liblzma/check/crc64_table_le.h vendored Normal file
View file

@ -0,0 +1,521 @@
/* This file has been automatically generated by crc64_tablegen.c. */
const uint64_t lzma_crc64_table[4][256] = {
{
UINT64_C(0x0000000000000000), UINT64_C(0xB32E4CBE03A75F6F),
UINT64_C(0xF4843657A840A05B), UINT64_C(0x47AA7AE9ABE7FF34),
UINT64_C(0x7BD0C384FF8F5E33), UINT64_C(0xC8FE8F3AFC28015C),
UINT64_C(0x8F54F5D357CFFE68), UINT64_C(0x3C7AB96D5468A107),
UINT64_C(0xF7A18709FF1EBC66), UINT64_C(0x448FCBB7FCB9E309),
UINT64_C(0x0325B15E575E1C3D), UINT64_C(0xB00BFDE054F94352),
UINT64_C(0x8C71448D0091E255), UINT64_C(0x3F5F08330336BD3A),
UINT64_C(0x78F572DAA8D1420E), UINT64_C(0xCBDB3E64AB761D61),
UINT64_C(0x7D9BA13851336649), UINT64_C(0xCEB5ED8652943926),
UINT64_C(0x891F976FF973C612), UINT64_C(0x3A31DBD1FAD4997D),
UINT64_C(0x064B62BCAEBC387A), UINT64_C(0xB5652E02AD1B6715),
UINT64_C(0xF2CF54EB06FC9821), UINT64_C(0x41E11855055BC74E),
UINT64_C(0x8A3A2631AE2DDA2F), UINT64_C(0x39146A8FAD8A8540),
UINT64_C(0x7EBE1066066D7A74), UINT64_C(0xCD905CD805CA251B),
UINT64_C(0xF1EAE5B551A2841C), UINT64_C(0x42C4A90B5205DB73),
UINT64_C(0x056ED3E2F9E22447), UINT64_C(0xB6409F5CFA457B28),
UINT64_C(0xFB374270A266CC92), UINT64_C(0x48190ECEA1C193FD),
UINT64_C(0x0FB374270A266CC9), UINT64_C(0xBC9D3899098133A6),
UINT64_C(0x80E781F45DE992A1), UINT64_C(0x33C9CD4A5E4ECDCE),
UINT64_C(0x7463B7A3F5A932FA), UINT64_C(0xC74DFB1DF60E6D95),
UINT64_C(0x0C96C5795D7870F4), UINT64_C(0xBFB889C75EDF2F9B),
UINT64_C(0xF812F32EF538D0AF), UINT64_C(0x4B3CBF90F69F8FC0),
UINT64_C(0x774606FDA2F72EC7), UINT64_C(0xC4684A43A15071A8),
UINT64_C(0x83C230AA0AB78E9C), UINT64_C(0x30EC7C140910D1F3),
UINT64_C(0x86ACE348F355AADB), UINT64_C(0x3582AFF6F0F2F5B4),
UINT64_C(0x7228D51F5B150A80), UINT64_C(0xC10699A158B255EF),
UINT64_C(0xFD7C20CC0CDAF4E8), UINT64_C(0x4E526C720F7DAB87),
UINT64_C(0x09F8169BA49A54B3), UINT64_C(0xBAD65A25A73D0BDC),
UINT64_C(0x710D64410C4B16BD), UINT64_C(0xC22328FF0FEC49D2),
UINT64_C(0x85895216A40BB6E6), UINT64_C(0x36A71EA8A7ACE989),
UINT64_C(0x0ADDA7C5F3C4488E), UINT64_C(0xB9F3EB7BF06317E1),
UINT64_C(0xFE5991925B84E8D5), UINT64_C(0x4D77DD2C5823B7BA),
UINT64_C(0x64B62BCAEBC387A1), UINT64_C(0xD7986774E864D8CE),
UINT64_C(0x90321D9D438327FA), UINT64_C(0x231C512340247895),
UINT64_C(0x1F66E84E144CD992), UINT64_C(0xAC48A4F017EB86FD),
UINT64_C(0xEBE2DE19BC0C79C9), UINT64_C(0x58CC92A7BFAB26A6),
UINT64_C(0x9317ACC314DD3BC7), UINT64_C(0x2039E07D177A64A8),
UINT64_C(0x67939A94BC9D9B9C), UINT64_C(0xD4BDD62ABF3AC4F3),
UINT64_C(0xE8C76F47EB5265F4), UINT64_C(0x5BE923F9E8F53A9B),
UINT64_C(0x1C4359104312C5AF), UINT64_C(0xAF6D15AE40B59AC0),
UINT64_C(0x192D8AF2BAF0E1E8), UINT64_C(0xAA03C64CB957BE87),
UINT64_C(0xEDA9BCA512B041B3), UINT64_C(0x5E87F01B11171EDC),
UINT64_C(0x62FD4976457FBFDB), UINT64_C(0xD1D305C846D8E0B4),
UINT64_C(0x96797F21ED3F1F80), UINT64_C(0x2557339FEE9840EF),
UINT64_C(0xEE8C0DFB45EE5D8E), UINT64_C(0x5DA24145464902E1),
UINT64_C(0x1A083BACEDAEFDD5), UINT64_C(0xA9267712EE09A2BA),
UINT64_C(0x955CCE7FBA6103BD), UINT64_C(0x267282C1B9C65CD2),
UINT64_C(0x61D8F8281221A3E6), UINT64_C(0xD2F6B4961186FC89),
UINT64_C(0x9F8169BA49A54B33), UINT64_C(0x2CAF25044A02145C),
UINT64_C(0x6B055FEDE1E5EB68), UINT64_C(0xD82B1353E242B407),
UINT64_C(0xE451AA3EB62A1500), UINT64_C(0x577FE680B58D4A6F),
UINT64_C(0x10D59C691E6AB55B), UINT64_C(0xA3FBD0D71DCDEA34),
UINT64_C(0x6820EEB3B6BBF755), UINT64_C(0xDB0EA20DB51CA83A),
UINT64_C(0x9CA4D8E41EFB570E), UINT64_C(0x2F8A945A1D5C0861),
UINT64_C(0x13F02D374934A966), UINT64_C(0xA0DE61894A93F609),
UINT64_C(0xE7741B60E174093D), UINT64_C(0x545A57DEE2D35652),
UINT64_C(0xE21AC88218962D7A), UINT64_C(0x5134843C1B317215),
UINT64_C(0x169EFED5B0D68D21), UINT64_C(0xA5B0B26BB371D24E),
UINT64_C(0x99CA0B06E7197349), UINT64_C(0x2AE447B8E4BE2C26),
UINT64_C(0x6D4E3D514F59D312), UINT64_C(0xDE6071EF4CFE8C7D),
UINT64_C(0x15BB4F8BE788911C), UINT64_C(0xA6950335E42FCE73),
UINT64_C(0xE13F79DC4FC83147), UINT64_C(0x521135624C6F6E28),
UINT64_C(0x6E6B8C0F1807CF2F), UINT64_C(0xDD45C0B11BA09040),
UINT64_C(0x9AEFBA58B0476F74), UINT64_C(0x29C1F6E6B3E0301B),
UINT64_C(0xC96C5795D7870F42), UINT64_C(0x7A421B2BD420502D),
UINT64_C(0x3DE861C27FC7AF19), UINT64_C(0x8EC62D7C7C60F076),
UINT64_C(0xB2BC941128085171), UINT64_C(0x0192D8AF2BAF0E1E),
UINT64_C(0x4638A2468048F12A), UINT64_C(0xF516EEF883EFAE45),
UINT64_C(0x3ECDD09C2899B324), UINT64_C(0x8DE39C222B3EEC4B),
UINT64_C(0xCA49E6CB80D9137F), UINT64_C(0x7967AA75837E4C10),
UINT64_C(0x451D1318D716ED17), UINT64_C(0xF6335FA6D4B1B278),
UINT64_C(0xB199254F7F564D4C), UINT64_C(0x02B769F17CF11223),
UINT64_C(0xB4F7F6AD86B4690B), UINT64_C(0x07D9BA1385133664),
UINT64_C(0x4073C0FA2EF4C950), UINT64_C(0xF35D8C442D53963F),
UINT64_C(0xCF273529793B3738), UINT64_C(0x7C0979977A9C6857),
UINT64_C(0x3BA3037ED17B9763), UINT64_C(0x888D4FC0D2DCC80C),
UINT64_C(0x435671A479AAD56D), UINT64_C(0xF0783D1A7A0D8A02),
UINT64_C(0xB7D247F3D1EA7536), UINT64_C(0x04FC0B4DD24D2A59),
UINT64_C(0x3886B22086258B5E), UINT64_C(0x8BA8FE9E8582D431),
UINT64_C(0xCC0284772E652B05), UINT64_C(0x7F2CC8C92DC2746A),
UINT64_C(0x325B15E575E1C3D0), UINT64_C(0x8175595B76469CBF),
UINT64_C(0xC6DF23B2DDA1638B), UINT64_C(0x75F16F0CDE063CE4),
UINT64_C(0x498BD6618A6E9DE3), UINT64_C(0xFAA59ADF89C9C28C),
UINT64_C(0xBD0FE036222E3DB8), UINT64_C(0x0E21AC88218962D7),
UINT64_C(0xC5FA92EC8AFF7FB6), UINT64_C(0x76D4DE52895820D9),
UINT64_C(0x317EA4BB22BFDFED), UINT64_C(0x8250E80521188082),
UINT64_C(0xBE2A516875702185), UINT64_C(0x0D041DD676D77EEA),
UINT64_C(0x4AAE673FDD3081DE), UINT64_C(0xF9802B81DE97DEB1),
UINT64_C(0x4FC0B4DD24D2A599), UINT64_C(0xFCEEF8632775FAF6),
UINT64_C(0xBB44828A8C9205C2), UINT64_C(0x086ACE348F355AAD),
UINT64_C(0x34107759DB5DFBAA), UINT64_C(0x873E3BE7D8FAA4C5),
UINT64_C(0xC094410E731D5BF1), UINT64_C(0x73BA0DB070BA049E),
UINT64_C(0xB86133D4DBCC19FF), UINT64_C(0x0B4F7F6AD86B4690),
UINT64_C(0x4CE50583738CB9A4), UINT64_C(0xFFCB493D702BE6CB),
UINT64_C(0xC3B1F050244347CC), UINT64_C(0x709FBCEE27E418A3),
UINT64_C(0x3735C6078C03E797), UINT64_C(0x841B8AB98FA4B8F8),
UINT64_C(0xADDA7C5F3C4488E3), UINT64_C(0x1EF430E13FE3D78C),
UINT64_C(0x595E4A08940428B8), UINT64_C(0xEA7006B697A377D7),
UINT64_C(0xD60ABFDBC3CBD6D0), UINT64_C(0x6524F365C06C89BF),
UINT64_C(0x228E898C6B8B768B), UINT64_C(0x91A0C532682C29E4),
UINT64_C(0x5A7BFB56C35A3485), UINT64_C(0xE955B7E8C0FD6BEA),
UINT64_C(0xAEFFCD016B1A94DE), UINT64_C(0x1DD181BF68BDCBB1),
UINT64_C(0x21AB38D23CD56AB6), UINT64_C(0x9285746C3F7235D9),
UINT64_C(0xD52F0E859495CAED), UINT64_C(0x6601423B97329582),
UINT64_C(0xD041DD676D77EEAA), UINT64_C(0x636F91D96ED0B1C5),
UINT64_C(0x24C5EB30C5374EF1), UINT64_C(0x97EBA78EC690119E),
UINT64_C(0xAB911EE392F8B099), UINT64_C(0x18BF525D915FEFF6),
UINT64_C(0x5F1528B43AB810C2), UINT64_C(0xEC3B640A391F4FAD),
UINT64_C(0x27E05A6E926952CC), UINT64_C(0x94CE16D091CE0DA3),
UINT64_C(0xD3646C393A29F297), UINT64_C(0x604A2087398EADF8),
UINT64_C(0x5C3099EA6DE60CFF), UINT64_C(0xEF1ED5546E415390),
UINT64_C(0xA8B4AFBDC5A6ACA4), UINT64_C(0x1B9AE303C601F3CB),
UINT64_C(0x56ED3E2F9E224471), UINT64_C(0xE5C372919D851B1E),
UINT64_C(0xA26908783662E42A), UINT64_C(0x114744C635C5BB45),
UINT64_C(0x2D3DFDAB61AD1A42), UINT64_C(0x9E13B115620A452D),
UINT64_C(0xD9B9CBFCC9EDBA19), UINT64_C(0x6A978742CA4AE576),
UINT64_C(0xA14CB926613CF817), UINT64_C(0x1262F598629BA778),
UINT64_C(0x55C88F71C97C584C), UINT64_C(0xE6E6C3CFCADB0723),
UINT64_C(0xDA9C7AA29EB3A624), UINT64_C(0x69B2361C9D14F94B),
UINT64_C(0x2E184CF536F3067F), UINT64_C(0x9D36004B35545910),
UINT64_C(0x2B769F17CF112238), UINT64_C(0x9858D3A9CCB67D57),
UINT64_C(0xDFF2A94067518263), UINT64_C(0x6CDCE5FE64F6DD0C),
UINT64_C(0x50A65C93309E7C0B), UINT64_C(0xE388102D33392364),
UINT64_C(0xA4226AC498DEDC50), UINT64_C(0x170C267A9B79833F),
UINT64_C(0xDCD7181E300F9E5E), UINT64_C(0x6FF954A033A8C131),
UINT64_C(0x28532E49984F3E05), UINT64_C(0x9B7D62F79BE8616A),
UINT64_C(0xA707DB9ACF80C06D), UINT64_C(0x14299724CC279F02),
UINT64_C(0x5383EDCD67C06036), UINT64_C(0xE0ADA17364673F59)
}, {
UINT64_C(0x0000000000000000), UINT64_C(0x54E979925CD0F10D),
UINT64_C(0xA9D2F324B9A1E21A), UINT64_C(0xFD3B8AB6E5711317),
UINT64_C(0xC17D4962DC4DDAB1), UINT64_C(0x959430F0809D2BBC),
UINT64_C(0x68AFBA4665EC38AB), UINT64_C(0x3C46C3D4393CC9A6),
UINT64_C(0x10223DEE1795ABE7), UINT64_C(0x44CB447C4B455AEA),
UINT64_C(0xB9F0CECAAE3449FD), UINT64_C(0xED19B758F2E4B8F0),
UINT64_C(0xD15F748CCBD87156), UINT64_C(0x85B60D1E9708805B),
UINT64_C(0x788D87A87279934C), UINT64_C(0x2C64FE3A2EA96241),
UINT64_C(0x20447BDC2F2B57CE), UINT64_C(0x74AD024E73FBA6C3),
UINT64_C(0x899688F8968AB5D4), UINT64_C(0xDD7FF16ACA5A44D9),
UINT64_C(0xE13932BEF3668D7F), UINT64_C(0xB5D04B2CAFB67C72),
UINT64_C(0x48EBC19A4AC76F65), UINT64_C(0x1C02B80816179E68),
UINT64_C(0x3066463238BEFC29), UINT64_C(0x648F3FA0646E0D24),
UINT64_C(0x99B4B516811F1E33), UINT64_C(0xCD5DCC84DDCFEF3E),
UINT64_C(0xF11B0F50E4F32698), UINT64_C(0xA5F276C2B823D795),
UINT64_C(0x58C9FC745D52C482), UINT64_C(0x0C2085E60182358F),
UINT64_C(0x4088F7B85E56AF9C), UINT64_C(0x14618E2A02865E91),
UINT64_C(0xE95A049CE7F74D86), UINT64_C(0xBDB37D0EBB27BC8B),
UINT64_C(0x81F5BEDA821B752D), UINT64_C(0xD51CC748DECB8420),
UINT64_C(0x28274DFE3BBA9737), UINT64_C(0x7CCE346C676A663A),
UINT64_C(0x50AACA5649C3047B), UINT64_C(0x0443B3C41513F576),
UINT64_C(0xF9783972F062E661), UINT64_C(0xAD9140E0ACB2176C),
UINT64_C(0x91D78334958EDECA), UINT64_C(0xC53EFAA6C95E2FC7),
UINT64_C(0x380570102C2F3CD0), UINT64_C(0x6CEC098270FFCDDD),
UINT64_C(0x60CC8C64717DF852), UINT64_C(0x3425F5F62DAD095F),
UINT64_C(0xC91E7F40C8DC1A48), UINT64_C(0x9DF706D2940CEB45),
UINT64_C(0xA1B1C506AD3022E3), UINT64_C(0xF558BC94F1E0D3EE),
UINT64_C(0x086336221491C0F9), UINT64_C(0x5C8A4FB0484131F4),
UINT64_C(0x70EEB18A66E853B5), UINT64_C(0x2407C8183A38A2B8),
UINT64_C(0xD93C42AEDF49B1AF), UINT64_C(0x8DD53B3C839940A2),
UINT64_C(0xB193F8E8BAA58904), UINT64_C(0xE57A817AE6757809),
UINT64_C(0x18410BCC03046B1E), UINT64_C(0x4CA8725E5FD49A13),
UINT64_C(0x8111EF70BCAD5F38), UINT64_C(0xD5F896E2E07DAE35),
UINT64_C(0x28C31C54050CBD22), UINT64_C(0x7C2A65C659DC4C2F),
UINT64_C(0x406CA61260E08589), UINT64_C(0x1485DF803C307484),
UINT64_C(0xE9BE5536D9416793), UINT64_C(0xBD572CA48591969E),
UINT64_C(0x9133D29EAB38F4DF), UINT64_C(0xC5DAAB0CF7E805D2),
UINT64_C(0x38E121BA129916C5), UINT64_C(0x6C0858284E49E7C8),
UINT64_C(0x504E9BFC77752E6E), UINT64_C(0x04A7E26E2BA5DF63),
UINT64_C(0xF99C68D8CED4CC74), UINT64_C(0xAD75114A92043D79),
UINT64_C(0xA15594AC938608F6), UINT64_C(0xF5BCED3ECF56F9FB),
UINT64_C(0x088767882A27EAEC), UINT64_C(0x5C6E1E1A76F71BE1),
UINT64_C(0x6028DDCE4FCBD247), UINT64_C(0x34C1A45C131B234A),
UINT64_C(0xC9FA2EEAF66A305D), UINT64_C(0x9D135778AABAC150),
UINT64_C(0xB177A9428413A311), UINT64_C(0xE59ED0D0D8C3521C),
UINT64_C(0x18A55A663DB2410B), UINT64_C(0x4C4C23F46162B006),
UINT64_C(0x700AE020585E79A0), UINT64_C(0x24E399B2048E88AD),
UINT64_C(0xD9D81304E1FF9BBA), UINT64_C(0x8D316A96BD2F6AB7),
UINT64_C(0xC19918C8E2FBF0A4), UINT64_C(0x9570615ABE2B01A9),
UINT64_C(0x684BEBEC5B5A12BE), UINT64_C(0x3CA2927E078AE3B3),
UINT64_C(0x00E451AA3EB62A15), UINT64_C(0x540D28386266DB18),
UINT64_C(0xA936A28E8717C80F), UINT64_C(0xFDDFDB1CDBC73902),
UINT64_C(0xD1BB2526F56E5B43), UINT64_C(0x85525CB4A9BEAA4E),
UINT64_C(0x7869D6024CCFB959), UINT64_C(0x2C80AF90101F4854),
UINT64_C(0x10C66C44292381F2), UINT64_C(0x442F15D675F370FF),
UINT64_C(0xB9149F60908263E8), UINT64_C(0xEDFDE6F2CC5292E5),
UINT64_C(0xE1DD6314CDD0A76A), UINT64_C(0xB5341A8691005667),
UINT64_C(0x480F903074714570), UINT64_C(0x1CE6E9A228A1B47D),
UINT64_C(0x20A02A76119D7DDB), UINT64_C(0x744953E44D4D8CD6),
UINT64_C(0x8972D952A83C9FC1), UINT64_C(0xDD9BA0C0F4EC6ECC),
UINT64_C(0xF1FF5EFADA450C8D), UINT64_C(0xA51627688695FD80),
UINT64_C(0x582DADDE63E4EE97), UINT64_C(0x0CC4D44C3F341F9A),
UINT64_C(0x308217980608D63C), UINT64_C(0x646B6E0A5AD82731),
UINT64_C(0x9950E4BCBFA93426), UINT64_C(0xCDB99D2EE379C52B),
UINT64_C(0x90FB71CAD654A0F5), UINT64_C(0xC41208588A8451F8),
UINT64_C(0x392982EE6FF542EF), UINT64_C(0x6DC0FB7C3325B3E2),
UINT64_C(0x518638A80A197A44), UINT64_C(0x056F413A56C98B49),
UINT64_C(0xF854CB8CB3B8985E), UINT64_C(0xACBDB21EEF686953),
UINT64_C(0x80D94C24C1C10B12), UINT64_C(0xD43035B69D11FA1F),
UINT64_C(0x290BBF007860E908), UINT64_C(0x7DE2C69224B01805),
UINT64_C(0x41A405461D8CD1A3), UINT64_C(0x154D7CD4415C20AE),
UINT64_C(0xE876F662A42D33B9), UINT64_C(0xBC9F8FF0F8FDC2B4),
UINT64_C(0xB0BF0A16F97FF73B), UINT64_C(0xE4567384A5AF0636),
UINT64_C(0x196DF93240DE1521), UINT64_C(0x4D8480A01C0EE42C),
UINT64_C(0x71C2437425322D8A), UINT64_C(0x252B3AE679E2DC87),
UINT64_C(0xD810B0509C93CF90), UINT64_C(0x8CF9C9C2C0433E9D),
UINT64_C(0xA09D37F8EEEA5CDC), UINT64_C(0xF4744E6AB23AADD1),
UINT64_C(0x094FC4DC574BBEC6), UINT64_C(0x5DA6BD4E0B9B4FCB),
UINT64_C(0x61E07E9A32A7866D), UINT64_C(0x350907086E777760),
UINT64_C(0xC8328DBE8B066477), UINT64_C(0x9CDBF42CD7D6957A),
UINT64_C(0xD073867288020F69), UINT64_C(0x849AFFE0D4D2FE64),
UINT64_C(0x79A1755631A3ED73), UINT64_C(0x2D480CC46D731C7E),
UINT64_C(0x110ECF10544FD5D8), UINT64_C(0x45E7B682089F24D5),
UINT64_C(0xB8DC3C34EDEE37C2), UINT64_C(0xEC3545A6B13EC6CF),
UINT64_C(0xC051BB9C9F97A48E), UINT64_C(0x94B8C20EC3475583),
UINT64_C(0x698348B826364694), UINT64_C(0x3D6A312A7AE6B799),
UINT64_C(0x012CF2FE43DA7E3F), UINT64_C(0x55C58B6C1F0A8F32),
UINT64_C(0xA8FE01DAFA7B9C25), UINT64_C(0xFC177848A6AB6D28),
UINT64_C(0xF037FDAEA72958A7), UINT64_C(0xA4DE843CFBF9A9AA),
UINT64_C(0x59E50E8A1E88BABD), UINT64_C(0x0D0C771842584BB0),
UINT64_C(0x314AB4CC7B648216), UINT64_C(0x65A3CD5E27B4731B),
UINT64_C(0x989847E8C2C5600C), UINT64_C(0xCC713E7A9E159101),
UINT64_C(0xE015C040B0BCF340), UINT64_C(0xB4FCB9D2EC6C024D),
UINT64_C(0x49C73364091D115A), UINT64_C(0x1D2E4AF655CDE057),
UINT64_C(0x216889226CF129F1), UINT64_C(0x7581F0B03021D8FC),
UINT64_C(0x88BA7A06D550CBEB), UINT64_C(0xDC53039489803AE6),
UINT64_C(0x11EA9EBA6AF9FFCD), UINT64_C(0x4503E72836290EC0),
UINT64_C(0xB8386D9ED3581DD7), UINT64_C(0xECD1140C8F88ECDA),
UINT64_C(0xD097D7D8B6B4257C), UINT64_C(0x847EAE4AEA64D471),
UINT64_C(0x794524FC0F15C766), UINT64_C(0x2DAC5D6E53C5366B),
UINT64_C(0x01C8A3547D6C542A), UINT64_C(0x5521DAC621BCA527),
UINT64_C(0xA81A5070C4CDB630), UINT64_C(0xFCF329E2981D473D),
UINT64_C(0xC0B5EA36A1218E9B), UINT64_C(0x945C93A4FDF17F96),
UINT64_C(0x6967191218806C81), UINT64_C(0x3D8E608044509D8C),
UINT64_C(0x31AEE56645D2A803), UINT64_C(0x65479CF41902590E),
UINT64_C(0x987C1642FC734A19), UINT64_C(0xCC956FD0A0A3BB14),
UINT64_C(0xF0D3AC04999F72B2), UINT64_C(0xA43AD596C54F83BF),
UINT64_C(0x59015F20203E90A8), UINT64_C(0x0DE826B27CEE61A5),
UINT64_C(0x218CD888524703E4), UINT64_C(0x7565A11A0E97F2E9),
UINT64_C(0x885E2BACEBE6E1FE), UINT64_C(0xDCB7523EB73610F3),
UINT64_C(0xE0F191EA8E0AD955), UINT64_C(0xB418E878D2DA2858),
UINT64_C(0x492362CE37AB3B4F), UINT64_C(0x1DCA1B5C6B7BCA42),
UINT64_C(0x5162690234AF5051), UINT64_C(0x058B1090687FA15C),
UINT64_C(0xF8B09A268D0EB24B), UINT64_C(0xAC59E3B4D1DE4346),
UINT64_C(0x901F2060E8E28AE0), UINT64_C(0xC4F659F2B4327BED),
UINT64_C(0x39CDD344514368FA), UINT64_C(0x6D24AAD60D9399F7),
UINT64_C(0x414054EC233AFBB6), UINT64_C(0x15A92D7E7FEA0ABB),
UINT64_C(0xE892A7C89A9B19AC), UINT64_C(0xBC7BDE5AC64BE8A1),
UINT64_C(0x803D1D8EFF772107), UINT64_C(0xD4D4641CA3A7D00A),
UINT64_C(0x29EFEEAA46D6C31D), UINT64_C(0x7D0697381A063210),
UINT64_C(0x712612DE1B84079F), UINT64_C(0x25CF6B4C4754F692),
UINT64_C(0xD8F4E1FAA225E585), UINT64_C(0x8C1D9868FEF51488),
UINT64_C(0xB05B5BBCC7C9DD2E), UINT64_C(0xE4B2222E9B192C23),
UINT64_C(0x1989A8987E683F34), UINT64_C(0x4D60D10A22B8CE39),
UINT64_C(0x61042F300C11AC78), UINT64_C(0x35ED56A250C15D75),
UINT64_C(0xC8D6DC14B5B04E62), UINT64_C(0x9C3FA586E960BF6F),
UINT64_C(0xA0796652D05C76C9), UINT64_C(0xF4901FC08C8C87C4),
UINT64_C(0x09AB957669FD94D3), UINT64_C(0x5D42ECE4352D65DE)
}, {
UINT64_C(0x0000000000000000), UINT64_C(0x3F0BE14A916A6DCB),
UINT64_C(0x7E17C29522D4DB96), UINT64_C(0x411C23DFB3BEB65D),
UINT64_C(0xFC2F852A45A9B72C), UINT64_C(0xC3246460D4C3DAE7),
UINT64_C(0x823847BF677D6CBA), UINT64_C(0xBD33A6F5F6170171),
UINT64_C(0x6A87A57F245D70DD), UINT64_C(0x558C4435B5371D16),
UINT64_C(0x149067EA0689AB4B), UINT64_C(0x2B9B86A097E3C680),
UINT64_C(0x96A8205561F4C7F1), UINT64_C(0xA9A3C11FF09EAA3A),
UINT64_C(0xE8BFE2C043201C67), UINT64_C(0xD7B4038AD24A71AC),
UINT64_C(0xD50F4AFE48BAE1BA), UINT64_C(0xEA04ABB4D9D08C71),
UINT64_C(0xAB18886B6A6E3A2C), UINT64_C(0x94136921FB0457E7),
UINT64_C(0x2920CFD40D135696), UINT64_C(0x162B2E9E9C793B5D),
UINT64_C(0x57370D412FC78D00), UINT64_C(0x683CEC0BBEADE0CB),
UINT64_C(0xBF88EF816CE79167), UINT64_C(0x80830ECBFD8DFCAC),
UINT64_C(0xC19F2D144E334AF1), UINT64_C(0xFE94CC5EDF59273A),
UINT64_C(0x43A76AAB294E264B), UINT64_C(0x7CAC8BE1B8244B80),
UINT64_C(0x3DB0A83E0B9AFDDD), UINT64_C(0x02BB49749AF09016),
UINT64_C(0x38C63AD73E7BDDF1), UINT64_C(0x07CDDB9DAF11B03A),
UINT64_C(0x46D1F8421CAF0667), UINT64_C(0x79DA19088DC56BAC),
UINT64_C(0xC4E9BFFD7BD26ADD), UINT64_C(0xFBE25EB7EAB80716),
UINT64_C(0xBAFE7D685906B14B), UINT64_C(0x85F59C22C86CDC80),
UINT64_C(0x52419FA81A26AD2C), UINT64_C(0x6D4A7EE28B4CC0E7),
UINT64_C(0x2C565D3D38F276BA), UINT64_C(0x135DBC77A9981B71),
UINT64_C(0xAE6E1A825F8F1A00), UINT64_C(0x9165FBC8CEE577CB),
UINT64_C(0xD079D8177D5BC196), UINT64_C(0xEF72395DEC31AC5D),
UINT64_C(0xEDC9702976C13C4B), UINT64_C(0xD2C29163E7AB5180),
UINT64_C(0x93DEB2BC5415E7DD), UINT64_C(0xACD553F6C57F8A16),
UINT64_C(0x11E6F50333688B67), UINT64_C(0x2EED1449A202E6AC),
UINT64_C(0x6FF1379611BC50F1), UINT64_C(0x50FAD6DC80D63D3A),
UINT64_C(0x874ED556529C4C96), UINT64_C(0xB845341CC3F6215D),
UINT64_C(0xF95917C370489700), UINT64_C(0xC652F689E122FACB),
UINT64_C(0x7B61507C1735FBBA), UINT64_C(0x446AB136865F9671),
UINT64_C(0x057692E935E1202C), UINT64_C(0x3A7D73A3A48B4DE7),
UINT64_C(0x718C75AE7CF7BBE2), UINT64_C(0x4E8794E4ED9DD629),
UINT64_C(0x0F9BB73B5E236074), UINT64_C(0x30905671CF490DBF),
UINT64_C(0x8DA3F084395E0CCE), UINT64_C(0xB2A811CEA8346105),
UINT64_C(0xF3B432111B8AD758), UINT64_C(0xCCBFD35B8AE0BA93),
UINT64_C(0x1B0BD0D158AACB3F), UINT64_C(0x2400319BC9C0A6F4),
UINT64_C(0x651C12447A7E10A9), UINT64_C(0x5A17F30EEB147D62),
UINT64_C(0xE72455FB1D037C13), UINT64_C(0xD82FB4B18C6911D8),
UINT64_C(0x9933976E3FD7A785), UINT64_C(0xA6387624AEBDCA4E),
UINT64_C(0xA4833F50344D5A58), UINT64_C(0x9B88DE1AA5273793),
UINT64_C(0xDA94FDC5169981CE), UINT64_C(0xE59F1C8F87F3EC05),
UINT64_C(0x58ACBA7A71E4ED74), UINT64_C(0x67A75B30E08E80BF),
UINT64_C(0x26BB78EF533036E2), UINT64_C(0x19B099A5C25A5B29),
UINT64_C(0xCE049A2F10102A85), UINT64_C(0xF10F7B65817A474E),
UINT64_C(0xB01358BA32C4F113), UINT64_C(0x8F18B9F0A3AE9CD8),
UINT64_C(0x322B1F0555B99DA9), UINT64_C(0x0D20FE4FC4D3F062),
UINT64_C(0x4C3CDD90776D463F), UINT64_C(0x73373CDAE6072BF4),
UINT64_C(0x494A4F79428C6613), UINT64_C(0x7641AE33D3E60BD8),
UINT64_C(0x375D8DEC6058BD85), UINT64_C(0x08566CA6F132D04E),
UINT64_C(0xB565CA530725D13F), UINT64_C(0x8A6E2B19964FBCF4),
UINT64_C(0xCB7208C625F10AA9), UINT64_C(0xF479E98CB49B6762),
UINT64_C(0x23CDEA0666D116CE), UINT64_C(0x1CC60B4CF7BB7B05),
UINT64_C(0x5DDA28934405CD58), UINT64_C(0x62D1C9D9D56FA093),
UINT64_C(0xDFE26F2C2378A1E2), UINT64_C(0xE0E98E66B212CC29),
UINT64_C(0xA1F5ADB901AC7A74), UINT64_C(0x9EFE4CF390C617BF),
UINT64_C(0x9C4505870A3687A9), UINT64_C(0xA34EE4CD9B5CEA62),
UINT64_C(0xE252C71228E25C3F), UINT64_C(0xDD592658B98831F4),
UINT64_C(0x606A80AD4F9F3085), UINT64_C(0x5F6161E7DEF55D4E),
UINT64_C(0x1E7D42386D4BEB13), UINT64_C(0x2176A372FC2186D8),
UINT64_C(0xF6C2A0F82E6BF774), UINT64_C(0xC9C941B2BF019ABF),
UINT64_C(0x88D5626D0CBF2CE2), UINT64_C(0xB7DE83279DD54129),
UINT64_C(0x0AED25D26BC24058), UINT64_C(0x35E6C498FAA82D93),
UINT64_C(0x74FAE74749169BCE), UINT64_C(0x4BF1060DD87CF605),
UINT64_C(0xE318EB5CF9EF77C4), UINT64_C(0xDC130A1668851A0F),
UINT64_C(0x9D0F29C9DB3BAC52), UINT64_C(0xA204C8834A51C199),
UINT64_C(0x1F376E76BC46C0E8), UINT64_C(0x203C8F3C2D2CAD23),
UINT64_C(0x6120ACE39E921B7E), UINT64_C(0x5E2B4DA90FF876B5),
UINT64_C(0x899F4E23DDB20719), UINT64_C(0xB694AF694CD86AD2),
UINT64_C(0xF7888CB6FF66DC8F), UINT64_C(0xC8836DFC6E0CB144),
UINT64_C(0x75B0CB09981BB035), UINT64_C(0x4ABB2A430971DDFE),
UINT64_C(0x0BA7099CBACF6BA3), UINT64_C(0x34ACE8D62BA50668),
UINT64_C(0x3617A1A2B155967E), UINT64_C(0x091C40E8203FFBB5),
UINT64_C(0x4800633793814DE8), UINT64_C(0x770B827D02EB2023),
UINT64_C(0xCA382488F4FC2152), UINT64_C(0xF533C5C265964C99),
UINT64_C(0xB42FE61DD628FAC4), UINT64_C(0x8B2407574742970F),
UINT64_C(0x5C9004DD9508E6A3), UINT64_C(0x639BE59704628B68),
UINT64_C(0x2287C648B7DC3D35), UINT64_C(0x1D8C270226B650FE),
UINT64_C(0xA0BF81F7D0A1518F), UINT64_C(0x9FB460BD41CB3C44),
UINT64_C(0xDEA84362F2758A19), UINT64_C(0xE1A3A228631FE7D2),
UINT64_C(0xDBDED18BC794AA35), UINT64_C(0xE4D530C156FEC7FE),
UINT64_C(0xA5C9131EE54071A3), UINT64_C(0x9AC2F254742A1C68),
UINT64_C(0x27F154A1823D1D19), UINT64_C(0x18FAB5EB135770D2),
UINT64_C(0x59E69634A0E9C68F), UINT64_C(0x66ED777E3183AB44),
UINT64_C(0xB15974F4E3C9DAE8), UINT64_C(0x8E5295BE72A3B723),
UINT64_C(0xCF4EB661C11D017E), UINT64_C(0xF045572B50776CB5),
UINT64_C(0x4D76F1DEA6606DC4), UINT64_C(0x727D1094370A000F),
UINT64_C(0x3361334B84B4B652), UINT64_C(0x0C6AD20115DEDB99),
UINT64_C(0x0ED19B758F2E4B8F), UINT64_C(0x31DA7A3F1E442644),
UINT64_C(0x70C659E0ADFA9019), UINT64_C(0x4FCDB8AA3C90FDD2),
UINT64_C(0xF2FE1E5FCA87FCA3), UINT64_C(0xCDF5FF155BED9168),
UINT64_C(0x8CE9DCCAE8532735), UINT64_C(0xB3E23D8079394AFE),
UINT64_C(0x64563E0AAB733B52), UINT64_C(0x5B5DDF403A195699),
UINT64_C(0x1A41FC9F89A7E0C4), UINT64_C(0x254A1DD518CD8D0F),
UINT64_C(0x9879BB20EEDA8C7E), UINT64_C(0xA7725A6A7FB0E1B5),
UINT64_C(0xE66E79B5CC0E57E8), UINT64_C(0xD96598FF5D643A23),
UINT64_C(0x92949EF28518CC26), UINT64_C(0xAD9F7FB81472A1ED),
UINT64_C(0xEC835C67A7CC17B0), UINT64_C(0xD388BD2D36A67A7B),
UINT64_C(0x6EBB1BD8C0B17B0A), UINT64_C(0x51B0FA9251DB16C1),
UINT64_C(0x10ACD94DE265A09C), UINT64_C(0x2FA73807730FCD57),
UINT64_C(0xF8133B8DA145BCFB), UINT64_C(0xC718DAC7302FD130),
UINT64_C(0x8604F9188391676D), UINT64_C(0xB90F185212FB0AA6),
UINT64_C(0x043CBEA7E4EC0BD7), UINT64_C(0x3B375FED7586661C),
UINT64_C(0x7A2B7C32C638D041), UINT64_C(0x45209D785752BD8A),
UINT64_C(0x479BD40CCDA22D9C), UINT64_C(0x789035465CC84057),
UINT64_C(0x398C1699EF76F60A), UINT64_C(0x0687F7D37E1C9BC1),
UINT64_C(0xBBB45126880B9AB0), UINT64_C(0x84BFB06C1961F77B),
UINT64_C(0xC5A393B3AADF4126), UINT64_C(0xFAA872F93BB52CED),
UINT64_C(0x2D1C7173E9FF5D41), UINT64_C(0x121790397895308A),
UINT64_C(0x530BB3E6CB2B86D7), UINT64_C(0x6C0052AC5A41EB1C),
UINT64_C(0xD133F459AC56EA6D), UINT64_C(0xEE3815133D3C87A6),
UINT64_C(0xAF2436CC8E8231FB), UINT64_C(0x902FD7861FE85C30),
UINT64_C(0xAA52A425BB6311D7), UINT64_C(0x9559456F2A097C1C),
UINT64_C(0xD44566B099B7CA41), UINT64_C(0xEB4E87FA08DDA78A),
UINT64_C(0x567D210FFECAA6FB), UINT64_C(0x6976C0456FA0CB30),
UINT64_C(0x286AE39ADC1E7D6D), UINT64_C(0x176102D04D7410A6),
UINT64_C(0xC0D5015A9F3E610A), UINT64_C(0xFFDEE0100E540CC1),
UINT64_C(0xBEC2C3CFBDEABA9C), UINT64_C(0x81C922852C80D757),
UINT64_C(0x3CFA8470DA97D626), UINT64_C(0x03F1653A4BFDBBED),
UINT64_C(0x42ED46E5F8430DB0), UINT64_C(0x7DE6A7AF6929607B),
UINT64_C(0x7F5DEEDBF3D9F06D), UINT64_C(0x40560F9162B39DA6),
UINT64_C(0x014A2C4ED10D2BFB), UINT64_C(0x3E41CD0440674630),
UINT64_C(0x83726BF1B6704741), UINT64_C(0xBC798ABB271A2A8A),
UINT64_C(0xFD65A96494A49CD7), UINT64_C(0xC26E482E05CEF11C),
UINT64_C(0x15DA4BA4D78480B0), UINT64_C(0x2AD1AAEE46EEED7B),
UINT64_C(0x6BCD8931F5505B26), UINT64_C(0x54C6687B643A36ED),
UINT64_C(0xE9F5CE8E922D379C), UINT64_C(0xD6FE2FC403475A57),
UINT64_C(0x97E20C1BB0F9EC0A), UINT64_C(0xA8E9ED51219381C1)
}, {
UINT64_C(0x0000000000000000), UINT64_C(0x1DEE8A5E222CA1DC),
UINT64_C(0x3BDD14BC445943B8), UINT64_C(0x26339EE26675E264),
UINT64_C(0x77BA297888B28770), UINT64_C(0x6A54A326AA9E26AC),
UINT64_C(0x4C673DC4CCEBC4C8), UINT64_C(0x5189B79AEEC76514),
UINT64_C(0xEF7452F111650EE0), UINT64_C(0xF29AD8AF3349AF3C),
UINT64_C(0xD4A9464D553C4D58), UINT64_C(0xC947CC137710EC84),
UINT64_C(0x98CE7B8999D78990), UINT64_C(0x8520F1D7BBFB284C),
UINT64_C(0xA3136F35DD8ECA28), UINT64_C(0xBEFDE56BFFA26BF4),
UINT64_C(0x4C300AC98DC40345), UINT64_C(0x51DE8097AFE8A299),
UINT64_C(0x77ED1E75C99D40FD), UINT64_C(0x6A03942BEBB1E121),
UINT64_C(0x3B8A23B105768435), UINT64_C(0x2664A9EF275A25E9),
UINT64_C(0x0057370D412FC78D), UINT64_C(0x1DB9BD5363036651),
UINT64_C(0xA34458389CA10DA5), UINT64_C(0xBEAAD266BE8DAC79),
UINT64_C(0x98994C84D8F84E1D), UINT64_C(0x8577C6DAFAD4EFC1),
UINT64_C(0xD4FE714014138AD5), UINT64_C(0xC910FB1E363F2B09),
UINT64_C(0xEF2365FC504AC96D), UINT64_C(0xF2CDEFA2726668B1),
UINT64_C(0x986015931B88068A), UINT64_C(0x858E9FCD39A4A756),
UINT64_C(0xA3BD012F5FD14532), UINT64_C(0xBE538B717DFDE4EE),
UINT64_C(0xEFDA3CEB933A81FA), UINT64_C(0xF234B6B5B1162026),
UINT64_C(0xD4072857D763C242), UINT64_C(0xC9E9A209F54F639E),
UINT64_C(0x771447620AED086A), UINT64_C(0x6AFACD3C28C1A9B6),
UINT64_C(0x4CC953DE4EB44BD2), UINT64_C(0x5127D9806C98EA0E),
UINT64_C(0x00AE6E1A825F8F1A), UINT64_C(0x1D40E444A0732EC6),
UINT64_C(0x3B737AA6C606CCA2), UINT64_C(0x269DF0F8E42A6D7E),
UINT64_C(0xD4501F5A964C05CF), UINT64_C(0xC9BE9504B460A413),
UINT64_C(0xEF8D0BE6D2154677), UINT64_C(0xF26381B8F039E7AB),
UINT64_C(0xA3EA36221EFE82BF), UINT64_C(0xBE04BC7C3CD22363),
UINT64_C(0x9837229E5AA7C107), UINT64_C(0x85D9A8C0788B60DB),
UINT64_C(0x3B244DAB87290B2F), UINT64_C(0x26CAC7F5A505AAF3),
UINT64_C(0x00F95917C3704897), UINT64_C(0x1D17D349E15CE94B),
UINT64_C(0x4C9E64D30F9B8C5F), UINT64_C(0x5170EE8D2DB72D83),
UINT64_C(0x7743706F4BC2CFE7), UINT64_C(0x6AADFA3169EE6E3B),
UINT64_C(0xA218840D981E1391), UINT64_C(0xBFF60E53BA32B24D),
UINT64_C(0x99C590B1DC475029), UINT64_C(0x842B1AEFFE6BF1F5),
UINT64_C(0xD5A2AD7510AC94E1), UINT64_C(0xC84C272B3280353D),
UINT64_C(0xEE7FB9C954F5D759), UINT64_C(0xF391339776D97685),
UINT64_C(0x4D6CD6FC897B1D71), UINT64_C(0x50825CA2AB57BCAD),
UINT64_C(0x76B1C240CD225EC9), UINT64_C(0x6B5F481EEF0EFF15),
UINT64_C(0x3AD6FF8401C99A01), UINT64_C(0x273875DA23E53BDD),
UINT64_C(0x010BEB384590D9B9), UINT64_C(0x1CE5616667BC7865),
UINT64_C(0xEE288EC415DA10D4), UINT64_C(0xF3C6049A37F6B108),
UINT64_C(0xD5F59A785183536C), UINT64_C(0xC81B102673AFF2B0),
UINT64_C(0x9992A7BC9D6897A4), UINT64_C(0x847C2DE2BF443678),
UINT64_C(0xA24FB300D931D41C), UINT64_C(0xBFA1395EFB1D75C0),
UINT64_C(0x015CDC3504BF1E34), UINT64_C(0x1CB2566B2693BFE8),
UINT64_C(0x3A81C88940E65D8C), UINT64_C(0x276F42D762CAFC50),
UINT64_C(0x76E6F54D8C0D9944), UINT64_C(0x6B087F13AE213898),
UINT64_C(0x4D3BE1F1C854DAFC), UINT64_C(0x50D56BAFEA787B20),
UINT64_C(0x3A78919E8396151B), UINT64_C(0x27961BC0A1BAB4C7),
UINT64_C(0x01A58522C7CF56A3), UINT64_C(0x1C4B0F7CE5E3F77F),
UINT64_C(0x4DC2B8E60B24926B), UINT64_C(0x502C32B8290833B7),
UINT64_C(0x761FAC5A4F7DD1D3), UINT64_C(0x6BF126046D51700F),
UINT64_C(0xD50CC36F92F31BFB), UINT64_C(0xC8E24931B0DFBA27),
UINT64_C(0xEED1D7D3D6AA5843), UINT64_C(0xF33F5D8DF486F99F),
UINT64_C(0xA2B6EA171A419C8B), UINT64_C(0xBF586049386D3D57),
UINT64_C(0x996BFEAB5E18DF33), UINT64_C(0x848574F57C347EEF),
UINT64_C(0x76489B570E52165E), UINT64_C(0x6BA611092C7EB782),
UINT64_C(0x4D958FEB4A0B55E6), UINT64_C(0x507B05B56827F43A),
UINT64_C(0x01F2B22F86E0912E), UINT64_C(0x1C1C3871A4CC30F2),
UINT64_C(0x3A2FA693C2B9D296), UINT64_C(0x27C12CCDE095734A),
UINT64_C(0x993CC9A61F3718BE), UINT64_C(0x84D243F83D1BB962),
UINT64_C(0xA2E1DD1A5B6E5B06), UINT64_C(0xBF0F57447942FADA),
UINT64_C(0xEE86E0DE97859FCE), UINT64_C(0xF3686A80B5A93E12),
UINT64_C(0xD55BF462D3DCDC76), UINT64_C(0xC8B57E3CF1F07DAA),
UINT64_C(0xD6E9A7309F3239A7), UINT64_C(0xCB072D6EBD1E987B),
UINT64_C(0xED34B38CDB6B7A1F), UINT64_C(0xF0DA39D2F947DBC3),
UINT64_C(0xA1538E481780BED7), UINT64_C(0xBCBD041635AC1F0B),
UINT64_C(0x9A8E9AF453D9FD6F), UINT64_C(0x876010AA71F55CB3),
UINT64_C(0x399DF5C18E573747), UINT64_C(0x24737F9FAC7B969B),
UINT64_C(0x0240E17DCA0E74FF), UINT64_C(0x1FAE6B23E822D523),
UINT64_C(0x4E27DCB906E5B037), UINT64_C(0x53C956E724C911EB),
UINT64_C(0x75FAC80542BCF38F), UINT64_C(0x6814425B60905253),
UINT64_C(0x9AD9ADF912F63AE2), UINT64_C(0x873727A730DA9B3E),
UINT64_C(0xA104B94556AF795A), UINT64_C(0xBCEA331B7483D886),
UINT64_C(0xED6384819A44BD92), UINT64_C(0xF08D0EDFB8681C4E),
UINT64_C(0xD6BE903DDE1DFE2A), UINT64_C(0xCB501A63FC315FF6),
UINT64_C(0x75ADFF0803933402), UINT64_C(0x6843755621BF95DE),
UINT64_C(0x4E70EBB447CA77BA), UINT64_C(0x539E61EA65E6D666),
UINT64_C(0x0217D6708B21B372), UINT64_C(0x1FF95C2EA90D12AE),
UINT64_C(0x39CAC2CCCF78F0CA), UINT64_C(0x24244892ED545116),
UINT64_C(0x4E89B2A384BA3F2D), UINT64_C(0x536738FDA6969EF1),
UINT64_C(0x7554A61FC0E37C95), UINT64_C(0x68BA2C41E2CFDD49),
UINT64_C(0x39339BDB0C08B85D), UINT64_C(0x24DD11852E241981),
UINT64_C(0x02EE8F674851FBE5), UINT64_C(0x1F0005396A7D5A39),
UINT64_C(0xA1FDE05295DF31CD), UINT64_C(0xBC136A0CB7F39011),
UINT64_C(0x9A20F4EED1867275), UINT64_C(0x87CE7EB0F3AAD3A9),
UINT64_C(0xD647C92A1D6DB6BD), UINT64_C(0xCBA943743F411761),
UINT64_C(0xED9ADD965934F505), UINT64_C(0xF07457C87B1854D9),
UINT64_C(0x02B9B86A097E3C68), UINT64_C(0x1F5732342B529DB4),
UINT64_C(0x3964ACD64D277FD0), UINT64_C(0x248A26886F0BDE0C),
UINT64_C(0x7503911281CCBB18), UINT64_C(0x68ED1B4CA3E01AC4),
UINT64_C(0x4EDE85AEC595F8A0), UINT64_C(0x53300FF0E7B9597C),
UINT64_C(0xEDCDEA9B181B3288), UINT64_C(0xF02360C53A379354),
UINT64_C(0xD610FE275C427130), UINT64_C(0xCBFE74797E6ED0EC),
UINT64_C(0x9A77C3E390A9B5F8), UINT64_C(0x879949BDB2851424),
UINT64_C(0xA1AAD75FD4F0F640), UINT64_C(0xBC445D01F6DC579C),
UINT64_C(0x74F1233D072C2A36), UINT64_C(0x691FA96325008BEA),
UINT64_C(0x4F2C37814375698E), UINT64_C(0x52C2BDDF6159C852),
UINT64_C(0x034B0A458F9EAD46), UINT64_C(0x1EA5801BADB20C9A),
UINT64_C(0x38961EF9CBC7EEFE), UINT64_C(0x257894A7E9EB4F22),
UINT64_C(0x9B8571CC164924D6), UINT64_C(0x866BFB923465850A),
UINT64_C(0xA05865705210676E), UINT64_C(0xBDB6EF2E703CC6B2),
UINT64_C(0xEC3F58B49EFBA3A6), UINT64_C(0xF1D1D2EABCD7027A),
UINT64_C(0xD7E24C08DAA2E01E), UINT64_C(0xCA0CC656F88E41C2),
UINT64_C(0x38C129F48AE82973), UINT64_C(0x252FA3AAA8C488AF),
UINT64_C(0x031C3D48CEB16ACB), UINT64_C(0x1EF2B716EC9DCB17),
UINT64_C(0x4F7B008C025AAE03), UINT64_C(0x52958AD220760FDF),
UINT64_C(0x74A614304603EDBB), UINT64_C(0x69489E6E642F4C67),
UINT64_C(0xD7B57B059B8D2793), UINT64_C(0xCA5BF15BB9A1864F),
UINT64_C(0xEC686FB9DFD4642B), UINT64_C(0xF186E5E7FDF8C5F7),
UINT64_C(0xA00F527D133FA0E3), UINT64_C(0xBDE1D8233113013F),
UINT64_C(0x9BD246C15766E35B), UINT64_C(0x863CCC9F754A4287),
UINT64_C(0xEC9136AE1CA42CBC), UINT64_C(0xF17FBCF03E888D60),
UINT64_C(0xD74C221258FD6F04), UINT64_C(0xCAA2A84C7AD1CED8),
UINT64_C(0x9B2B1FD69416ABCC), UINT64_C(0x86C59588B63A0A10),
UINT64_C(0xA0F60B6AD04FE874), UINT64_C(0xBD188134F26349A8),
UINT64_C(0x03E5645F0DC1225C), UINT64_C(0x1E0BEE012FED8380),
UINT64_C(0x383870E3499861E4), UINT64_C(0x25D6FABD6BB4C038),
UINT64_C(0x745F4D278573A52C), UINT64_C(0x69B1C779A75F04F0),
UINT64_C(0x4F82599BC12AE694), UINT64_C(0x526CD3C5E3064748),
UINT64_C(0xA0A13C6791602FF9), UINT64_C(0xBD4FB639B34C8E25),
UINT64_C(0x9B7C28DBD5396C41), UINT64_C(0x8692A285F715CD9D),
UINT64_C(0xD71B151F19D2A889), UINT64_C(0xCAF59F413BFE0955),
UINT64_C(0xECC601A35D8BEB31), UINT64_C(0xF1288BFD7FA74AED),
UINT64_C(0x4FD56E9680052119), UINT64_C(0x523BE4C8A22980C5),
UINT64_C(0x74087A2AC45C62A1), UINT64_C(0x69E6F074E670C37D),
UINT64_C(0x386F47EE08B7A669), UINT64_C(0x2581CDB02A9B07B5),
UINT64_C(0x03B253524CEEE5D1), UINT64_C(0x1E5CD90C6EC2440D)
}
};

88
external/public-domain/xz/dist/src/liblzma/check/crc64_tablegen.c vendored Normal file
View file

@ -0,0 +1,88 @@
///////////////////////////////////////////////////////////////////////////////
//
/// \file crc64_tablegen.c
/// \brief Generate crc64_table_le.h and crc64_table_be.h
///
/// Compiling: gcc -std=c99 -o crc64_tablegen crc64_tablegen.c
/// Add -DWORDS_BIGENDIAN to generate big endian table.
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include <stdio.h>
#include "../../common/tuklib_integer.h"
static uint64_t crc64_table[4][256];
extern void
init_crc64_table(void)
{
static const uint64_t poly64 = UINT64_C(0xC96C5795D7870F42);
for (size_t s = 0; s < 4; ++s) {
for (size_t b = 0; b < 256; ++b) {
uint64_t r = s == 0 ? b : crc64_table[s - 1][b];
for (size_t i = 0; i < 8; ++i) {
if (r & 1)
r = (r >> 1) ^ poly64;
else
r >>= 1;
}
crc64_table[s][b] = r;
}
}
#ifdef WORDS_BIGENDIAN
for (size_t s = 0; s < 4; ++s)
for (size_t b = 0; b < 256; ++b)
crc64_table[s][b] = bswap64(crc64_table[s][b]);
#endif
return;
}
static void
print_crc64_table(void)
{
printf("/* This file has been automatically generated by "
"crc64_tablegen.c. */\n\n"
"const uint64_t lzma_crc64_table[4][256] = {\n\t{");
for (size_t s = 0; s < 4; ++s) {
for (size_t b = 0; b < 256; ++b) {
if ((b % 2) == 0)
printf("\n\t\t");
printf("UINT64_C(0x%016" PRIX64 ")",
crc64_table[s][b]);
if (b != 255)
printf(",%s", (b+1) % 2 == 0 ? "" : " ");
}
if (s == 3)
printf("\n\t}\n};\n");
else
printf("\n\t}, {");
}
return;
}
int
main(void)
{
init_crc64_table();
print_crc64_table();
return 0;
}

287
external/public-domain/xz/dist/src/liblzma/check/crc64_x86.S vendored Normal file
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@ -0,0 +1,287 @@
/*
* Speed-optimized CRC64 using slicing-by-four algorithm
*
* This uses only i386 instructions, but it is optimized for i686 and later
* (including e.g. Pentium II/III/IV, Athlon XP, and Core 2).
*
* Authors: Igor Pavlov (original CRC32 assembly code)
* Lasse Collin (CRC64 adaptation of the modified CRC32 code)
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*
* This code needs lzma_crc64_table, which can be created using the
* following C code:
uint64_t lzma_crc64_table[4][256];
void
init_table(void)
{
// ECMA-182
static const uint64_t poly64 = UINT64_C(0xC96C5795D7870F42);
for (size_t s = 0; s < 4; ++s) {
for (size_t b = 0; b < 256; ++b) {
uint64_t r = s == 0 ? b : lzma_crc64_table[s - 1][b];
for (size_t i = 0; i < 8; ++i) {
if (r & 1)
r = (r >> 1) ^ poly64;
else
r >>= 1;
}
lzma_crc64_table[s][b] = r;
}
}
}
* The prototype of the CRC64 function:
* extern uint64_t lzma_crc64(const uint8_t *buf, size_t size, uint64_t crc);
*/
/*
* On some systems, the functions need to be prefixed. The prefix is
* usually an underscore.
*/
#ifndef __USER_LABEL_PREFIX__
# define __USER_LABEL_PREFIX__
#endif
#define MAKE_SYM_CAT(prefix, sym) prefix ## sym
#define MAKE_SYM(prefix, sym) MAKE_SYM_CAT(prefix, sym)
#define LZMA_CRC64 MAKE_SYM(__USER_LABEL_PREFIX__, lzma_crc64)
#define LZMA_CRC64_TABLE MAKE_SYM(__USER_LABEL_PREFIX__, lzma_crc64_table)
/*
* Solaris assembler doesn't have .p2align, and Darwin uses .align
* differently than GNU/Linux and Solaris.
*/
#if defined(__APPLE__) || defined(__MSDOS__)
# define ALIGN(pow2, abs) .align pow2
#else
# define ALIGN(pow2, abs) .align abs
#endif
.text
.globl LZMA_CRC64
#if !defined(__APPLE__) && !defined(_WIN32) && !defined(__CYGWIN__) \
&& !defined(__MSDOS__)
.type LZMA_CRC64, @function
#endif
ALIGN(4, 16)
LZMA_CRC64:
/*
* Register usage:
* %eax crc LSB
* %edx crc MSB
* %esi buf
* %edi size or buf + size
* %ebx lzma_crc64_table
* %ebp Table index
* %ecx Temporary
*/
pushl %ebx
pushl %esi
pushl %edi
pushl %ebp
movl 0x14(%esp), %esi /* buf */
movl 0x18(%esp), %edi /* size */
movl 0x1C(%esp), %eax /* crc LSB */
movl 0x20(%esp), %edx /* crc MSB */
/*
* Store the address of lzma_crc64_table to %ebx. This is needed to
* get position-independent code (PIC).
*
* The PIC macro is defined by libtool, while __PIC__ is defined
* by GCC but only on some systems. Testing for both makes it simpler
* to test this code without libtool, and keeps the code working also
* when built with libtool but using something else than GCC.
*
* I understood that libtool may define PIC on Windows even though
* the code in Windows DLLs is not PIC in sense that it is in ELF
* binaries, so we need a separate check to always use the non-PIC
* code on Windows.
*/
#if (!defined(PIC) && !defined(__PIC__)) \
|| (defined(_WIN32) || defined(__CYGWIN__))
/* Not PIC */
movl $ LZMA_CRC64_TABLE, %ebx
#elif defined(__APPLE__)
/* Mach-O */
call .L_get_pc
.L_pic:
leal .L_lzma_crc64_table$non_lazy_ptr-.L_pic(%ebx), %ebx
movl (%ebx), %ebx
#else
/* ELF */
call .L_get_pc
addl $_GLOBAL_OFFSET_TABLE_, %ebx
movl LZMA_CRC64_TABLE@GOT(%ebx), %ebx
#endif
/* Complement the initial value. */
notl %eax
notl %edx
.L_align:
/*
* Check if there is enough input to use slicing-by-four.
* We need eight bytes, because the loop pre-reads four bytes.
*/
cmpl $8, %edi
jb .L_rest
/* Check if we have reached alignment of four bytes. */
testl $3, %esi
jz .L_slice
/* Calculate CRC of the next input byte. */
movzbl (%esi), %ebp
incl %esi
movzbl %al, %ecx
xorl %ecx, %ebp
shrdl $8, %edx, %eax
xorl (%ebx, %ebp, 8), %eax
shrl $8, %edx
xorl 4(%ebx, %ebp, 8), %edx
decl %edi
jmp .L_align
.L_slice:
/*
* If we get here, there's at least eight bytes of aligned input
* available. Make %edi multiple of four bytes. Store the possible
* remainder over the "size" variable in the argument stack.
*/
movl %edi, 0x18(%esp)
andl $-4, %edi
subl %edi, 0x18(%esp)
/*
* Let %edi be buf + size - 4 while running the main loop. This way
* we can compare for equality to determine when exit the loop.
*/
addl %esi, %edi
subl $4, %edi
/* Read in the first four aligned bytes. */
movl (%esi), %ecx
.L_loop:
xorl %eax, %ecx
movzbl %cl, %ebp
movl 0x1800(%ebx, %ebp, 8), %eax
xorl %edx, %eax
movl 0x1804(%ebx, %ebp, 8), %edx
movzbl %ch, %ebp
xorl 0x1000(%ebx, %ebp, 8), %eax
xorl 0x1004(%ebx, %ebp, 8), %edx
shrl $16, %ecx
movzbl %cl, %ebp
xorl 0x0800(%ebx, %ebp, 8), %eax
xorl 0x0804(%ebx, %ebp, 8), %edx
movzbl %ch, %ebp
addl $4, %esi
xorl (%ebx, %ebp, 8), %eax
xorl 4(%ebx, %ebp, 8), %edx
/* Check for end of aligned input. */
cmpl %edi, %esi
/*
* Copy the next input byte to %ecx. It is slightly faster to
* read it here than at the top of the loop.
*/
movl (%esi), %ecx
jb .L_loop
/*
* Process the remaining four bytes, which we have already
* copied to %ecx.
*/
xorl %eax, %ecx
movzbl %cl, %ebp
movl 0x1800(%ebx, %ebp, 8), %eax
xorl %edx, %eax
movl 0x1804(%ebx, %ebp, 8), %edx
movzbl %ch, %ebp
xorl 0x1000(%ebx, %ebp, 8), %eax
xorl 0x1004(%ebx, %ebp, 8), %edx
shrl $16, %ecx
movzbl %cl, %ebp
xorl 0x0800(%ebx, %ebp, 8), %eax
xorl 0x0804(%ebx, %ebp, 8), %edx
movzbl %ch, %ebp
addl $4, %esi
xorl (%ebx, %ebp, 8), %eax
xorl 4(%ebx, %ebp, 8), %edx
/* Copy the number of remaining bytes to %edi. */
movl 0x18(%esp), %edi
.L_rest:
/* Check for end of input. */
testl %edi, %edi
jz .L_return
/* Calculate CRC of the next input byte. */
movzbl (%esi), %ebp
incl %esi
movzbl %al, %ecx
xorl %ecx, %ebp
shrdl $8, %edx, %eax
xorl (%ebx, %ebp, 8), %eax
shrl $8, %edx
xorl 4(%ebx, %ebp, 8), %edx
decl %edi
jmp .L_rest
.L_return:
/* Complement the final value. */
notl %eax
notl %edx
popl %ebp
popl %edi
popl %esi
popl %ebx
ret
#if defined(PIC) || defined(__PIC__)
ALIGN(4, 16)
.L_get_pc:
movl (%esp), %ebx
ret
#endif
#if defined(__APPLE__) && (defined(PIC) || defined(__PIC__))
/* Mach-O PIC */
.section __IMPORT,__pointers,non_lazy_symbol_pointers
.L_lzma_crc64_table$non_lazy_ptr:
.indirect_symbol LZMA_CRC64_TABLE
.long 0
#elif defined(_WIN32) || defined(__CYGWIN__)
# ifdef DLL_EXPORT
/* This is equivalent of __declspec(dllexport). */
.section .drectve
.ascii " -export:lzma_crc64"
# endif
#elif !defined(__MSDOS__)
/* ELF */
.size LZMA_CRC64, .-LZMA_CRC64
#endif
/*
* This is needed to support non-executable stack. It's ugly to
* use __linux__ here, but I don't know a way to detect when
* we are using GNU assembler.
*/
#if defined(__ELF__) && defined(__linux__)
.section .note.GNU-stack,"",@progbits
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file crc_macros.h
/// \brief Some endian-dependent macros for CRC32 and CRC64
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifdef WORDS_BIGENDIAN
# define A(x) ((x) >> 24)
# define B(x) (((x) >> 16) & 0xFF)
# define C(x) (((x) >> 8) & 0xFF)
# define D(x) ((x) & 0xFF)
# define S8(x) ((x) << 8)
# define S32(x) ((x) << 32)
#else
# define A(x) ((x) & 0xFF)
# define B(x) (((x) >> 8) & 0xFF)
# define C(x) (((x) >> 16) & 0xFF)
# define D(x) ((x) >> 24)
# define S8(x) ((x) >> 8)
# define S32(x) ((x) >> 32)
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file sha256.c
/// \brief SHA-256
///
/// \todo Crypto++ has x86 ASM optimizations. They use SSE so if they
/// are imported to liblzma, SSE instructions need to be used
/// conditionally to keep the code working on older boxes.
/// We could also support using some external libary for SHA-256.
//
// This code is based on the code found from 7-Zip, which has a modified
// version of the SHA-256 found from Crypto++ <http://www.cryptopp.com/>.
// The code was modified a little to fit into liblzma.
//
// Authors: Kevin Springle
// Wei Dai
// Igor Pavlov
// Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
// Avoid bogus warnings in transform().
#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 2) || __GNUC__ > 4
# pragma GCC diagnostic ignored "-Wuninitialized"
#endif
#include "check.h"
// At least on x86, GCC is able to optimize this to a rotate instruction.
#define rotr_32(num, amount) ((num) >> (amount) | (num) << (32 - (amount)))
#define blk0(i) (W[i] = data[i])
#define blk2(i) (W[i & 15] += s1(W[(i - 2) & 15]) + W[(i - 7) & 15] \
+ s0(W[(i - 15) & 15]))
#define Ch(x, y, z) (z ^ (x & (y ^ z)))
#define Maj(x, y, z) ((x & y) | (z & (x | y)))
#define a(i) T[(0 - i) & 7]
#define b(i) T[(1 - i) & 7]
#define c(i) T[(2 - i) & 7]
#define d(i) T[(3 - i) & 7]
#define e(i) T[(4 - i) & 7]
#define f(i) T[(5 - i) & 7]
#define g(i) T[(6 - i) & 7]
#define h(i) T[(7 - i) & 7]
#define R(i) \
h(i) += S1(e(i)) + Ch(e(i), f(i), g(i)) + SHA256_K[i + j] \
+ (j ? blk2(i) : blk0(i)); \
d(i) += h(i); \
h(i) += S0(a(i)) + Maj(a(i), b(i), c(i))
#define S0(x) (rotr_32(x, 2) ^ rotr_32(x, 13) ^ rotr_32(x, 22))
#define S1(x) (rotr_32(x, 6) ^ rotr_32(x, 11) ^ rotr_32(x, 25))
#define s0(x) (rotr_32(x, 7) ^ rotr_32(x, 18) ^ (x >> 3))
#define s1(x) (rotr_32(x, 17) ^ rotr_32(x, 19) ^ (x >> 10))
static const uint32_t SHA256_K[64] = {
0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,
0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC,
0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,
0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7,
0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,
0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13,
0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,
0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3,
0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,
0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5,
0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,
0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208,
0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2,
};
static void
transform(uint32_t state[static 8], const uint32_t data[static 16])
{
uint32_t W[16];
uint32_t T[8];
// Copy state[] to working vars.
memcpy(T, state, sizeof(T));
// 64 operations, partially loop unrolled
for (unsigned int j = 0; j < 64; j += 16) {
R( 0); R( 1); R( 2); R( 3);
R( 4); R( 5); R( 6); R( 7);
R( 8); R( 9); R(10); R(11);
R(12); R(13); R(14); R(15);
}
// Add the working vars back into state[].
state[0] += a(0);
state[1] += b(0);
state[2] += c(0);
state[3] += d(0);
state[4] += e(0);
state[5] += f(0);
state[6] += g(0);
state[7] += h(0);
}
static void
process(lzma_check_state *check)
{
#ifdef WORDS_BIGENDIAN
transform(check->state.sha256.state, check->buffer.u32);
#else
uint32_t data[16];
for (size_t i = 0; i < 16; ++i)
data[i] = bswap32(check->buffer.u32[i]);
transform(check->state.sha256.state, data);
#endif
return;
}
extern void
lzma_sha256_init(lzma_check_state *check)
{
static const uint32_t s[8] = {
0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A,
0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19,
};
memcpy(check->state.sha256.state, s, sizeof(s));
check->state.sha256.size = 0;
return;
}
extern void
lzma_sha256_update(const uint8_t *buf, size_t size, lzma_check_state *check)
{
// Copy the input data into a properly aligned temporary buffer.
// This way we can be called with arbitrarily sized buffers
// (no need to be multiple of 64 bytes), and the code works also
// on architectures that don't allow unaligned memory access.
while (size > 0) {
const size_t copy_start = check->state.sha256.size & 0x3F;
size_t copy_size = 64 - copy_start;
if (copy_size > size)
copy_size = size;
memcpy(check->buffer.u8 + copy_start, buf, copy_size);
buf += copy_size;
size -= copy_size;
check->state.sha256.size += copy_size;
if ((check->state.sha256.size & 0x3F) == 0)
process(check);
}
return;
}
extern void
lzma_sha256_finish(lzma_check_state *check)
{
// Add padding as described in RFC 3174 (it describes SHA-1 but
// the same padding style is used for SHA-256 too).
size_t pos = check->state.sha256.size & 0x3F;
check->buffer.u8[pos++] = 0x80;
while (pos != 64 - 8) {
if (pos == 64) {
process(check);
pos = 0;
}
check->buffer.u8[pos++] = 0x00;
}
// Convert the message size from bytes to bits.
check->state.sha256.size *= 8;
check->buffer.u64[(64 - 8) / 8] = conv64be(check->state.sha256.size);
process(check);
for (size_t i = 0; i < 8; ++i)
check->buffer.u32[i] = conv32be(check->state.sha256.state[i]);
return;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file alone_decoder.c
/// \brief Decoder for LZMA_Alone files
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "alone_decoder.h"
#include "lzma_decoder.h"
#include "lz_decoder.h"
struct lzma_coder_s {
lzma_next_coder next;
enum {
SEQ_PROPERTIES,
SEQ_DICTIONARY_SIZE,
SEQ_UNCOMPRESSED_SIZE,
SEQ_CODER_INIT,
SEQ_CODE,
} sequence;
/// Position in the header fields
size_t pos;
/// Uncompressed size decoded from the header
lzma_vli uncompressed_size;
/// Memory usage limit
uint64_t memlimit;
/// Amount of memory actually needed (only an estimate)
uint64_t memusage;
/// Options decoded from the header needed to initialize
/// the LZMA decoder
lzma_options_lzma options;
};
static lzma_ret
alone_decode(lzma_coder *coder,
lzma_allocator *allocator lzma_attribute((unused)),
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size,
lzma_action action)
{
while (*out_pos < out_size
&& (coder->sequence == SEQ_CODE || *in_pos < in_size))
switch (coder->sequence) {
case SEQ_PROPERTIES:
if (lzma_lzma_lclppb_decode(&coder->options, in[*in_pos]))
return LZMA_FORMAT_ERROR;
coder->sequence = SEQ_DICTIONARY_SIZE;
++*in_pos;
break;
case SEQ_DICTIONARY_SIZE:
coder->options.dict_size
|= (size_t)(in[*in_pos]) << (coder->pos * 8);
if (++coder->pos == 4) {
if (coder->options.dict_size != UINT32_MAX) {
// A hack to ditch tons of false positives:
// We allow only dictionary sizes that are
// 2^n or 2^n + 2^(n-1). LZMA_Alone created
// only files with 2^n, but accepts any
// dictionary size. If someone complains, this
// will be reconsidered.
uint32_t d = coder->options.dict_size - 1;
d |= d >> 2;
d |= d >> 3;
d |= d >> 4;
d |= d >> 8;
d |= d >> 16;
++d;
if (d != coder->options.dict_size)
return LZMA_FORMAT_ERROR;
}
coder->pos = 0;
coder->sequence = SEQ_UNCOMPRESSED_SIZE;
}
++*in_pos;
break;
case SEQ_UNCOMPRESSED_SIZE:
coder->uncompressed_size
|= (lzma_vli)(in[*in_pos]) << (coder->pos * 8);
++*in_pos;
if (++coder->pos < 8)
break;
// Another hack to ditch false positives: Assume that
// if the uncompressed size is known, it must be less
// than 256 GiB. Again, if someone complains, this
// will be reconsidered.
if (coder->uncompressed_size != LZMA_VLI_UNKNOWN
&& coder->uncompressed_size
>= (LZMA_VLI_C(1) << 38))
return LZMA_FORMAT_ERROR;
// Calculate the memory usage so that it is ready
// for SEQ_CODER_INIT.
coder->memusage = lzma_lzma_decoder_memusage(&coder->options)
+ LZMA_MEMUSAGE_BASE;
coder->pos = 0;
coder->sequence = SEQ_CODER_INIT;
// Fall through
case SEQ_CODER_INIT: {
if (coder->memusage > coder->memlimit)
return LZMA_MEMLIMIT_ERROR;
lzma_filter_info filters[2] = {
{
.init = &lzma_lzma_decoder_init,
.options = &coder->options,
}, {
.init = NULL,
}
};
const lzma_ret ret = lzma_next_filter_init(&coder->next,
allocator, filters);
if (ret != LZMA_OK)
return ret;
// Use a hack to set the uncompressed size.
lzma_lz_decoder_uncompressed(coder->next.coder,
coder->uncompressed_size);
coder->sequence = SEQ_CODE;
break;
}
case SEQ_CODE: {
return coder->next.code(coder->next.coder,
allocator, in, in_pos, in_size,
out, out_pos, out_size, action);
}
default:
return LZMA_PROG_ERROR;
}
return LZMA_OK;
}
static void
alone_decoder_end(lzma_coder *coder, lzma_allocator *allocator)
{
lzma_next_end(&coder->next, allocator);
lzma_free(coder, allocator);
return;
}
static lzma_ret
alone_decoder_memconfig(lzma_coder *coder, uint64_t *memusage,
uint64_t *old_memlimit, uint64_t new_memlimit)
{
*memusage = coder->memusage;
*old_memlimit = coder->memlimit;
if (new_memlimit != 0) {
if (new_memlimit < coder->memusage)
return LZMA_MEMLIMIT_ERROR;
coder->memlimit = new_memlimit;
}
return LZMA_OK;
}
extern lzma_ret
lzma_alone_decoder_init(lzma_next_coder *next, lzma_allocator *allocator,
uint64_t memlimit)
{
lzma_next_coder_init(&lzma_alone_decoder_init, next, allocator);
if (memlimit == 0)
return LZMA_PROG_ERROR;
if (next->coder == NULL) {
next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
if (next->coder == NULL)
return LZMA_MEM_ERROR;
next->code = &alone_decode;
next->end = &alone_decoder_end;
next->memconfig = &alone_decoder_memconfig;
next->coder->next = LZMA_NEXT_CODER_INIT;
}
next->coder->sequence = SEQ_PROPERTIES;
next->coder->pos = 0;
next->coder->options.dict_size = 0;
next->coder->options.preset_dict = NULL;
next->coder->options.preset_dict_size = 0;
next->coder->uncompressed_size = 0;
next->coder->memlimit = memlimit;
next->coder->memusage = LZMA_MEMUSAGE_BASE;
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_alone_decoder(lzma_stream *strm, uint64_t memlimit)
{
lzma_next_strm_init(lzma_alone_decoder_init, strm, memlimit);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file alone_decoder.h
/// \brief Decoder for LZMA_Alone files
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_ALONE_DECODER_H
#define LZMA_ALONE_DECODER_H
#include "common.h"
extern lzma_ret lzma_alone_decoder_init(lzma_next_coder *next,
lzma_allocator *allocator, uint64_t memlimit);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file alone_decoder.c
/// \brief Decoder for LZMA_Alone files
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#include "lzma_encoder.h"
#define ALONE_HEADER_SIZE (1 + 4 + 8)
struct lzma_coder_s {
lzma_next_coder next;
enum {
SEQ_HEADER,
SEQ_CODE,
} sequence;
size_t header_pos;
uint8_t header[ALONE_HEADER_SIZE];
};
static lzma_ret
alone_encode(lzma_coder *coder,
lzma_allocator *allocator lzma_attribute((unused)),
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size,
lzma_action action)
{
while (*out_pos < out_size)
switch (coder->sequence) {
case SEQ_HEADER:
lzma_bufcpy(coder->header, &coder->header_pos,
ALONE_HEADER_SIZE,
out, out_pos, out_size);
if (coder->header_pos < ALONE_HEADER_SIZE)
return LZMA_OK;
coder->sequence = SEQ_CODE;
break;
case SEQ_CODE:
return coder->next.code(coder->next.coder,
allocator, in, in_pos, in_size,
out, out_pos, out_size, action);
default:
assert(0);
return LZMA_PROG_ERROR;
}
return LZMA_OK;
}
static void
alone_encoder_end(lzma_coder *coder, lzma_allocator *allocator)
{
lzma_next_end(&coder->next, allocator);
lzma_free(coder, allocator);
return;
}
// At least for now, this is not used by any internal function.
static lzma_ret
alone_encoder_init(lzma_next_coder *next, lzma_allocator *allocator,
const lzma_options_lzma *options)
{
lzma_next_coder_init(&alone_encoder_init, next, allocator);
if (next->coder == NULL) {
next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
if (next->coder == NULL)
return LZMA_MEM_ERROR;
next->code = &alone_encode;
next->end = &alone_encoder_end;
next->coder->next = LZMA_NEXT_CODER_INIT;
}
// Basic initializations
next->coder->sequence = SEQ_HEADER;
next->coder->header_pos = 0;
// Encode the header:
// - Properties (1 byte)
if (lzma_lzma_lclppb_encode(options, next->coder->header))
return LZMA_OPTIONS_ERROR;
// - Dictionary size (4 bytes)
if (options->dict_size < LZMA_DICT_SIZE_MIN)
return LZMA_OPTIONS_ERROR;
// Round up to to the next 2^n or 2^n + 2^(n - 1) depending on which
// one is the next unless it is UINT32_MAX. While the header would
// allow any 32-bit integer, we do this to keep the decoder of liblzma
// accepting the resulting files.
uint32_t d = options->dict_size - 1;
d |= d >> 2;
d |= d >> 3;
d |= d >> 4;
d |= d >> 8;
d |= d >> 16;
if (d != UINT32_MAX)
++d;
unaligned_write32le(next->coder->header + 1, d);
// - Uncompressed size (always unknown and using EOPM)
memset(next->coder->header + 1 + 4, 0xFF, 8);
// Initialize the LZMA encoder.
const lzma_filter_info filters[2] = {
{
.init = &lzma_lzma_encoder_init,
.options = (void *)(options),
}, {
.init = NULL,
}
};
return lzma_next_filter_init(&next->coder->next, allocator, filters);
}
/*
extern lzma_ret
lzma_alone_encoder_init(lzma_next_coder *next, lzma_allocator *allocator,
const lzma_options_alone *options)
{
lzma_next_coder_init(&alone_encoder_init, next, allocator, options);
}
*/
extern LZMA_API(lzma_ret)
lzma_alone_encoder(lzma_stream *strm, const lzma_options_lzma *options)
{
lzma_next_strm_init(alone_encoder_init, strm, options);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file auto_decoder.c
/// \brief Autodetect between .xz Stream and .lzma (LZMA_Alone) formats
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "stream_decoder.h"
#include "alone_decoder.h"
struct lzma_coder_s {
/// Stream decoder or LZMA_Alone decoder
lzma_next_coder next;
uint64_t memlimit;
uint32_t flags;
enum {
SEQ_INIT,
SEQ_CODE,
SEQ_FINISH,
} sequence;
};
static lzma_ret
auto_decode(lzma_coder *coder, lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size, lzma_action action)
{
switch (coder->sequence) {
case SEQ_INIT:
if (*in_pos >= in_size)
return LZMA_OK;
// Update the sequence now, because we want to continue from
// SEQ_CODE even if we return some LZMA_*_CHECK.
coder->sequence = SEQ_CODE;
// Detect the file format. For now this is simple, since if
// it doesn't start with 0xFD (the first magic byte of the
// new format), it has to be LZMA_Alone, or something that
// we don't support at all.
if (in[*in_pos] == 0xFD) {
return_if_error(lzma_stream_decoder_init(
&coder->next, allocator,
coder->memlimit, coder->flags));
} else {
return_if_error(lzma_alone_decoder_init(&coder->next,
allocator, coder->memlimit));
// If the application wants to know about missing
// integrity check or about the check in general, we
// need to handle it here, because LZMA_Alone decoder
// doesn't accept any flags.
if (coder->flags & LZMA_TELL_NO_CHECK)
return LZMA_NO_CHECK;
if (coder->flags & LZMA_TELL_ANY_CHECK)
return LZMA_GET_CHECK;
}
// Fall through
case SEQ_CODE: {
const lzma_ret ret = coder->next.code(
coder->next.coder, allocator,
in, in_pos, in_size,
out, out_pos, out_size, action);
if (ret != LZMA_STREAM_END
|| (coder->flags & LZMA_CONCATENATED) == 0)
return ret;
coder->sequence = SEQ_FINISH;
}
// Fall through
case SEQ_FINISH:
// When LZMA_DECODE_CONCATENATED was used and we were decoding
// LZMA_Alone file, we need to check check that there is no
// trailing garbage and wait for LZMA_FINISH.
if (*in_pos < in_size)
return LZMA_DATA_ERROR;
return action == LZMA_FINISH ? LZMA_STREAM_END : LZMA_OK;
default:
assert(0);
return LZMA_PROG_ERROR;
}
}
static void
auto_decoder_end(lzma_coder *coder, lzma_allocator *allocator)
{
lzma_next_end(&coder->next, allocator);
lzma_free(coder, allocator);
return;
}
static lzma_check
auto_decoder_get_check(const lzma_coder *coder)
{
// It is LZMA_Alone if get_check is NULL.
return coder->next.get_check == NULL ? LZMA_CHECK_NONE
: coder->next.get_check(coder->next.coder);
}
static lzma_ret
auto_decoder_memconfig(lzma_coder *coder, uint64_t *memusage,
uint64_t *old_memlimit, uint64_t new_memlimit)
{
lzma_ret ret;
if (coder->next.memconfig != NULL) {
ret = coder->next.memconfig(coder->next.coder,
memusage, old_memlimit, new_memlimit);
assert(*old_memlimit == coder->memlimit);
} else {
// No coder is configured yet. Use the base value as
// the current memory usage.
*memusage = LZMA_MEMUSAGE_BASE;
*old_memlimit = coder->memlimit;
ret = LZMA_OK;
}
if (ret == LZMA_OK && new_memlimit != 0)
coder->memlimit = new_memlimit;
return ret;
}
static lzma_ret
auto_decoder_init(lzma_next_coder *next, lzma_allocator *allocator,
uint64_t memlimit, uint32_t flags)
{
lzma_next_coder_init(&auto_decoder_init, next, allocator);
if (memlimit == 0)
return LZMA_PROG_ERROR;
if (flags & ~LZMA_SUPPORTED_FLAGS)
return LZMA_OPTIONS_ERROR;
if (next->coder == NULL) {
next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
if (next->coder == NULL)
return LZMA_MEM_ERROR;
next->code = &auto_decode;
next->end = &auto_decoder_end;
next->get_check = &auto_decoder_get_check;
next->memconfig = &auto_decoder_memconfig;
next->coder->next = LZMA_NEXT_CODER_INIT;
}
next->coder->memlimit = memlimit;
next->coder->flags = flags;
next->coder->sequence = SEQ_INIT;
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_auto_decoder(lzma_stream *strm, uint64_t memlimit, uint32_t flags)
{
lzma_next_strm_init(auto_decoder_init, strm, memlimit, flags);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_buffer_decoder.c
/// \brief Single-call .xz Block decoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "block_decoder.h"
extern LZMA_API(lzma_ret)
lzma_block_buffer_decode(lzma_block *block, lzma_allocator *allocator,
const uint8_t *in, size_t *in_pos, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
{
if (in_pos == NULL || (in == NULL && *in_pos != in_size)
|| *in_pos > in_size || out_pos == NULL
|| (out == NULL && *out_pos != out_size)
|| *out_pos > out_size)
return LZMA_PROG_ERROR;
// Initialize the Block decoder.
lzma_next_coder block_decoder = LZMA_NEXT_CODER_INIT;
lzma_ret ret = lzma_block_decoder_init(
&block_decoder, allocator, block);
if (ret == LZMA_OK) {
// Save the positions so that we can restore them in case
// an error occurs.
const size_t in_start = *in_pos;
const size_t out_start = *out_pos;
// Do the actual decoding.
ret = block_decoder.code(block_decoder.coder, allocator,
in, in_pos, in_size, out, out_pos, out_size,
LZMA_FINISH);
if (ret == LZMA_STREAM_END) {
ret = LZMA_OK;
} else {
if (ret == LZMA_OK) {
// Either the input was truncated or the
// output buffer was too small.
assert(*in_pos == in_size
|| *out_pos == out_size);
// If all the input was consumed, then the
// input is truncated, even if the output
// buffer is also full. This is because
// processing the last byte of the Block
// never produces output.
//
// NOTE: This assumption may break when new
// filters are added, if the end marker of
// the filter doesn't consume at least one
// complete byte.
if (*in_pos == in_size)
ret = LZMA_DATA_ERROR;
else
ret = LZMA_BUF_ERROR;
}
// Restore the positions.
*in_pos = in_start;
*out_pos = out_start;
}
}
// Free the decoder memory. This needs to be done even if
// initialization fails, because the internal API doesn't
// require the initialization function to free its memory on error.
lzma_next_end(&block_decoder, allocator);
return ret;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_buffer_encoder.c
/// \brief Single-call .xz Block encoder
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "block_encoder.h"
#include "filter_encoder.h"
#include "lzma2_encoder.h"
#include "check.h"
/// Estimate the maximum size of the Block Header and Check fields for
/// a Block that uses LZMA2 uncompressed chunks. We could use
/// lzma_block_header_size() but this is simpler.
///
/// Block Header Size + Block Flags + Compressed Size
/// + Uncompressed Size + Filter Flags for LZMA2 + CRC32 + Check
/// and round up to the next multiple of four to take Header Padding
/// into account.
#define HEADERS_BOUND ((1 + 1 + 2 * LZMA_VLI_BYTES_MAX + 3 + 4 \
+ LZMA_CHECK_SIZE_MAX + 3) & ~3)
static lzma_vli
lzma2_bound(lzma_vli uncompressed_size)
{
// Prevent integer overflow in overhead calculation.
if (uncompressed_size > COMPRESSED_SIZE_MAX)
return 0;
// Calculate the exact overhead of the LZMA2 headers: Round
// uncompressed_size up to the next multiple of LZMA2_CHUNK_MAX,
// multiply by the size of per-chunk header, and add one byte for
// the end marker.
const lzma_vli overhead = ((uncompressed_size + LZMA2_CHUNK_MAX - 1)
/ LZMA2_CHUNK_MAX)
* LZMA2_HEADER_UNCOMPRESSED + 1;
// Catch the possible integer overflow.
if (COMPRESSED_SIZE_MAX - overhead < uncompressed_size)
return 0;
return uncompressed_size + overhead;
}
extern LZMA_API(size_t)
lzma_block_buffer_bound(size_t uncompressed_size)
{
// For now, if the data doesn't compress, we always use uncompressed
// chunks of LZMA2. In future we may use Subblock filter too, but
// but for simplicity we probably will still use the same bound
// calculation even though Subblock filter would have slightly less
// overhead.
lzma_vli lzma2_size = lzma2_bound(uncompressed_size);
if (lzma2_size == 0)
return 0;
// Take Block Padding into account.
lzma2_size = (lzma2_size + 3) & ~LZMA_VLI_C(3);
#if SIZE_MAX < LZMA_VLI_MAX
// Catch the possible integer overflow on 32-bit systems. There's no
// overflow on 64-bit systems, because lzma2_bound() already takes
// into account the size of the headers in the Block.
if (SIZE_MAX - HEADERS_BOUND < lzma2_size)
return 0;
#endif
return HEADERS_BOUND + lzma2_size;
}
static lzma_ret
block_encode_uncompressed(lzma_block *block, const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
{
// TODO: Figure out if the last filter is LZMA2 or Subblock and use
// that filter to encode the uncompressed chunks.
// Use LZMA2 uncompressed chunks. We wouldn't need a dictionary at
// all, but LZMA2 always requires a dictionary, so use the minimum
// value to minimize memory usage of the decoder.
lzma_options_lzma lzma2 = {
.dict_size = LZMA_DICT_SIZE_MIN,
};
lzma_filter filters[2];
filters[0].id = LZMA_FILTER_LZMA2;
filters[0].options = &lzma2;
filters[1].id = LZMA_VLI_UNKNOWN;
// Set the above filter options to *block temporarily so that we can
// encode the Block Header.
lzma_filter *filters_orig = block->filters;
block->filters = filters;
if (lzma_block_header_size(block) != LZMA_OK) {
block->filters = filters_orig;
return LZMA_PROG_ERROR;
}
// Check that there's enough output space. The caller has already
// set block->compressed_size to what lzma2_bound() has returned,
// so we can reuse that value. We know that compressed_size is a
// known valid VLI and header_size is a small value so their sum
// will never overflow.
assert(block->compressed_size == lzma2_bound(in_size));
if (out_size - *out_pos
< block->header_size + block->compressed_size) {
block->filters = filters_orig;
return LZMA_BUF_ERROR;
}
if (lzma_block_header_encode(block, out + *out_pos) != LZMA_OK) {
block->filters = filters_orig;
return LZMA_PROG_ERROR;
}
block->filters = filters_orig;
*out_pos += block->header_size;
// Encode the data using LZMA2 uncompressed chunks.
size_t in_pos = 0;
uint8_t control = 0x01; // Dictionary reset
while (in_pos < in_size) {
// Control byte: Indicate uncompressed chunk, of which
// the first resets the dictionary.
out[(*out_pos)++] = control;
control = 0x02; // No dictionary reset
// Size of the uncompressed chunk
const size_t copy_size
= my_min(in_size - in_pos, LZMA2_CHUNK_MAX);
out[(*out_pos)++] = (copy_size - 1) >> 8;
out[(*out_pos)++] = (copy_size - 1) & 0xFF;
// The actual data
assert(*out_pos + copy_size <= out_size);
memcpy(out + *out_pos, in + in_pos, copy_size);
in_pos += copy_size;
*out_pos += copy_size;
}
// End marker
out[(*out_pos)++] = 0x00;
assert(*out_pos <= out_size);
return LZMA_OK;
}
static lzma_ret
block_encode_normal(lzma_block *block, lzma_allocator *allocator,
const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
{
// Find out the size of the Block Header.
block->compressed_size = lzma2_bound(in_size);
if (block->compressed_size == 0)
return LZMA_DATA_ERROR;
block->uncompressed_size = in_size;
return_if_error(lzma_block_header_size(block));
// Reserve space for the Block Header and skip it for now.
if (out_size - *out_pos <= block->header_size)
return LZMA_BUF_ERROR;
const size_t out_start = *out_pos;
*out_pos += block->header_size;
// Limit out_size so that we stop encoding if the output would grow
// bigger than what uncompressed Block would be.
if (out_size - *out_pos > block->compressed_size)
out_size = *out_pos + block->compressed_size;
// TODO: In many common cases this could be optimized to use
// significantly less memory.
lzma_next_coder raw_encoder = LZMA_NEXT_CODER_INIT;
lzma_ret ret = lzma_raw_encoder_init(
&raw_encoder, allocator, block->filters);
if (ret == LZMA_OK) {
size_t in_pos = 0;
ret = raw_encoder.code(raw_encoder.coder, allocator,
in, &in_pos, in_size, out, out_pos, out_size,
LZMA_FINISH);
}
// NOTE: This needs to be run even if lzma_raw_encoder_init() failed.
lzma_next_end(&raw_encoder, allocator);
if (ret == LZMA_STREAM_END) {
// Compression was successful. Write the Block Header.
block->compressed_size
= *out_pos - (out_start + block->header_size);
ret = lzma_block_header_encode(block, out + out_start);
if (ret != LZMA_OK)
ret = LZMA_PROG_ERROR;
} else if (ret == LZMA_OK) {
// Output buffer became full.
ret = LZMA_BUF_ERROR;
}
// Reset *out_pos if something went wrong.
if (ret != LZMA_OK)
*out_pos = out_start;
return ret;
}
extern LZMA_API(lzma_ret)
lzma_block_buffer_encode(lzma_block *block, lzma_allocator *allocator,
const uint8_t *in, size_t in_size,
uint8_t *out, size_t *out_pos, size_t out_size)
{
// Sanity checks
if (block == NULL || block->filters == NULL
|| (in == NULL && in_size != 0) || out == NULL
|| out_pos == NULL || *out_pos > out_size)
return LZMA_PROG_ERROR;
// Check the version field.
if (block->version != 0)
return LZMA_OPTIONS_ERROR;
// Size of a Block has to be a multiple of four, so limit the size
// here already. This way we don't need to check it again when adding
// Block Padding.
out_size -= (out_size - *out_pos) & 3;
// Get the size of the Check field.
const size_t check_size = lzma_check_size(block->check);
if (check_size == UINT32_MAX)
return LZMA_PROG_ERROR;
// Reserve space for the Check field.
if (out_size - *out_pos <= check_size)
return LZMA_BUF_ERROR;
out_size -= check_size;
// Do the actual compression.
const lzma_ret ret = block_encode_normal(block, allocator,
in, in_size, out, out_pos, out_size);
if (ret != LZMA_OK) {
// If the error was something else than output buffer
// becoming full, return the error now.
if (ret != LZMA_BUF_ERROR)
return ret;
// The data was uncompressible (at least with the options
// given to us) or the output buffer was too small. Use the
// uncompressed chunks of LZMA2 to wrap the data into a valid
// Block. If we haven't been given enough output space, even
// this may fail.
return_if_error(block_encode_uncompressed(block, in, in_size,
out, out_pos, out_size));
}
assert(*out_pos <= out_size);
// Block Padding. No buffer overflow here, because we already adjusted
// out_size so that (out_size - out_start) is a multiple of four.
// Thus, if the buffer is full, the loop body can never run.
for (size_t i = (size_t)(block->compressed_size); i & 3; ++i) {
assert(*out_pos < out_size);
out[(*out_pos)++] = 0x00;
}
// If there's no Check field, we are done now.
if (check_size > 0) {
// Calculate the integrity check. We reserved space for
// the Check field earlier so we don't need to check for
// available output space here.
lzma_check_state check;
lzma_check_init(&check, block->check);
lzma_check_update(&check, block->check, in, in_size);
lzma_check_finish(&check, block->check);
memcpy(block->raw_check, check.buffer.u8, check_size);
memcpy(out + *out_pos, check.buffer.u8, check_size);
*out_pos += check_size;
}
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_decoder.c
/// \brief Decodes .xz Blocks
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "block_decoder.h"
#include "filter_decoder.h"
#include "check.h"
struct lzma_coder_s {
enum {
SEQ_CODE,
SEQ_PADDING,
SEQ_CHECK,
} sequence;
/// The filters in the chain; initialized with lzma_raw_decoder_init().
lzma_next_coder next;
/// Decoding options; we also write Compressed Size and Uncompressed
/// Size back to this structure when the decoding has been finished.
lzma_block *block;
/// Compressed Size calculated while decoding
lzma_vli compressed_size;
/// Uncompressed Size calculated while decoding
lzma_vli uncompressed_size;
/// Maximum allowed Compressed Size; this takes into account the
/// size of the Block Header and Check fields when Compressed Size
/// is unknown.
lzma_vli compressed_limit;
/// Position when reading the Check field
size_t check_pos;
/// Check of the uncompressed data
lzma_check_state check;
};
static inline bool
update_size(lzma_vli *size, lzma_vli add, lzma_vli limit)
{
if (limit > LZMA_VLI_MAX)
limit = LZMA_VLI_MAX;
if (limit < *size || limit - *size < add)
return true;
*size += add;
return false;
}
static inline bool
is_size_valid(lzma_vli size, lzma_vli reference)
{
return reference == LZMA_VLI_UNKNOWN || reference == size;
}
static lzma_ret
block_decode(lzma_coder *coder, lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size, lzma_action action)
{
switch (coder->sequence) {
case SEQ_CODE: {
const size_t in_start = *in_pos;
const size_t out_start = *out_pos;
const lzma_ret ret = coder->next.code(coder->next.coder,
allocator, in, in_pos, in_size,
out, out_pos, out_size, action);
const size_t in_used = *in_pos - in_start;
const size_t out_used = *out_pos - out_start;
// NOTE: We compare to compressed_limit here, which prevents
// the total size of the Block growing past LZMA_VLI_MAX.
if (update_size(&coder->compressed_size, in_used,
coder->compressed_limit)
|| update_size(&coder->uncompressed_size,
out_used,
coder->block->uncompressed_size))
return LZMA_DATA_ERROR;
lzma_check_update(&coder->check, coder->block->check,
out + out_start, out_used);
if (ret != LZMA_STREAM_END)
return ret;
// Compressed and Uncompressed Sizes are now at their final
// values. Verify that they match the values given to us.
if (!is_size_valid(coder->compressed_size,
coder->block->compressed_size)
|| !is_size_valid(coder->uncompressed_size,
coder->block->uncompressed_size))
return LZMA_DATA_ERROR;
// Copy the values into coder->block. The caller
// may use this information to construct Index.
coder->block->compressed_size = coder->compressed_size;
coder->block->uncompressed_size = coder->uncompressed_size;
coder->sequence = SEQ_PADDING;
}
// Fall through
case SEQ_PADDING:
// Compressed Data is padded to a multiple of four bytes.
while (coder->compressed_size & 3) {
if (*in_pos >= in_size)
return LZMA_OK;
// We use compressed_size here just get the Padding
// right. The actual Compressed Size was stored to
// coder->block already, and won't be modified by
// us anymore.
++coder->compressed_size;
if (in[(*in_pos)++] != 0x00)
return LZMA_DATA_ERROR;
}
if (coder->block->check == LZMA_CHECK_NONE)
return LZMA_STREAM_END;
lzma_check_finish(&coder->check, coder->block->check);
coder->sequence = SEQ_CHECK;
// Fall through
case SEQ_CHECK: {
const size_t check_size = lzma_check_size(coder->block->check);
lzma_bufcpy(in, in_pos, in_size, coder->block->raw_check,
&coder->check_pos, check_size);
if (coder->check_pos < check_size)
return LZMA_OK;
// Validate the Check only if we support it.
// coder->check.buffer may be uninitialized
// when the Check ID is not supported.
if (lzma_check_is_supported(coder->block->check)
&& memcmp(coder->block->raw_check,
coder->check.buffer.u8,
check_size) != 0)
return LZMA_DATA_ERROR;
return LZMA_STREAM_END;
}
}
return LZMA_PROG_ERROR;
}
static void
block_decoder_end(lzma_coder *coder, lzma_allocator *allocator)
{
lzma_next_end(&coder->next, allocator);
lzma_free(coder, allocator);
return;
}
extern lzma_ret
lzma_block_decoder_init(lzma_next_coder *next, lzma_allocator *allocator,
lzma_block *block)
{
lzma_next_coder_init(&lzma_block_decoder_init, next, allocator);
// Validate the options. lzma_block_unpadded_size() does that for us
// except for Uncompressed Size and filters. Filters are validated
// by the raw decoder.
if (lzma_block_unpadded_size(block) == 0
|| !lzma_vli_is_valid(block->uncompressed_size))
return LZMA_PROG_ERROR;
// Allocate and initialize *next->coder if needed.
if (next->coder == NULL) {
next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
if (next->coder == NULL)
return LZMA_MEM_ERROR;
next->code = &block_decode;
next->end = &block_decoder_end;
next->coder->next = LZMA_NEXT_CODER_INIT;
}
// Basic initializations
next->coder->sequence = SEQ_CODE;
next->coder->block = block;
next->coder->compressed_size = 0;
next->coder->uncompressed_size = 0;
// If Compressed Size is not known, we calculate the maximum allowed
// value so that encoded size of the Block (including Block Padding)
// is still a valid VLI and a multiple of four.
next->coder->compressed_limit
= block->compressed_size == LZMA_VLI_UNKNOWN
? (LZMA_VLI_MAX & ~LZMA_VLI_C(3))
- block->header_size
- lzma_check_size(block->check)
: block->compressed_size;
// Initialize the check. It's caller's problem if the Check ID is not
// supported, and the Block decoder cannot verify the Check field.
// Caller can test lzma_check_is_supported(block->check).
next->coder->check_pos = 0;
lzma_check_init(&next->coder->check, block->check);
// Initialize the filter chain.
return lzma_raw_decoder_init(&next->coder->next, allocator,
block->filters);
}
extern LZMA_API(lzma_ret)
lzma_block_decoder(lzma_stream *strm, lzma_block *block)
{
lzma_next_strm_init(lzma_block_decoder_init, strm, block);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_decoder.h
/// \brief Decodes .xz Blocks
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_BLOCK_DECODER_H
#define LZMA_BLOCK_DECODER_H
#include "common.h"
extern lzma_ret lzma_block_decoder_init(lzma_next_coder *next,
lzma_allocator *allocator, lzma_block *block);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_encoder.c
/// \brief Encodes .xz Blocks
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "block_encoder.h"
#include "filter_encoder.h"
#include "check.h"
struct lzma_coder_s {
/// The filters in the chain; initialized with lzma_raw_decoder_init().
lzma_next_coder next;
/// Encoding options; we also write Unpadded Size, Compressed Size,
/// and Uncompressed Size back to this structure when the encoding
/// has been finished.
lzma_block *block;
enum {
SEQ_CODE,
SEQ_PADDING,
SEQ_CHECK,
} sequence;
/// Compressed Size calculated while encoding
lzma_vli compressed_size;
/// Uncompressed Size calculated while encoding
lzma_vli uncompressed_size;
/// Position in the Check field
size_t pos;
/// Check of the uncompressed data
lzma_check_state check;
};
static lzma_ret
block_encode(lzma_coder *coder, lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size, lzma_action action)
{
// Check that our amount of input stays in proper limits.
if (LZMA_VLI_MAX - coder->uncompressed_size < in_size - *in_pos)
return LZMA_DATA_ERROR;
switch (coder->sequence) {
case SEQ_CODE: {
const size_t in_start = *in_pos;
const size_t out_start = *out_pos;
const lzma_ret ret = coder->next.code(coder->next.coder,
allocator, in, in_pos, in_size,
out, out_pos, out_size, action);
const size_t in_used = *in_pos - in_start;
const size_t out_used = *out_pos - out_start;
if (COMPRESSED_SIZE_MAX - coder->compressed_size < out_used)
return LZMA_DATA_ERROR;
coder->compressed_size += out_used;
// No need to check for overflow because we have already
// checked it at the beginning of this function.
coder->uncompressed_size += in_used;
lzma_check_update(&coder->check, coder->block->check,
in + in_start, in_used);
if (ret != LZMA_STREAM_END || action == LZMA_SYNC_FLUSH)
return ret;
assert(*in_pos == in_size);
assert(action == LZMA_FINISH);
// Copy the values into coder->block. The caller
// may use this information to construct Index.
coder->block->compressed_size = coder->compressed_size;
coder->block->uncompressed_size = coder->uncompressed_size;
coder->sequence = SEQ_PADDING;
}
// Fall through
case SEQ_PADDING:
// Pad Compressed Data to a multiple of four bytes. We can
// use coder->compressed_size for this since we don't need
// it for anything else anymore.
while (coder->compressed_size & 3) {
if (*out_pos >= out_size)
return LZMA_OK;
out[*out_pos] = 0x00;
++*out_pos;
++coder->compressed_size;
}
if (coder->block->check == LZMA_CHECK_NONE)
return LZMA_STREAM_END;
lzma_check_finish(&coder->check, coder->block->check);
coder->sequence = SEQ_CHECK;
// Fall through
case SEQ_CHECK: {
const size_t check_size = lzma_check_size(coder->block->check);
lzma_bufcpy(coder->check.buffer.u8, &coder->pos, check_size,
out, out_pos, out_size);
if (coder->pos < check_size)
return LZMA_OK;
memcpy(coder->block->raw_check, coder->check.buffer.u8,
check_size);
return LZMA_STREAM_END;
}
}
return LZMA_PROG_ERROR;
}
static void
block_encoder_end(lzma_coder *coder, lzma_allocator *allocator)
{
lzma_next_end(&coder->next, allocator);
lzma_free(coder, allocator);
return;
}
static lzma_ret
block_encoder_update(lzma_coder *coder, lzma_allocator *allocator,
const lzma_filter *filters lzma_attribute((unused)),
const lzma_filter *reversed_filters)
{
if (coder->sequence != SEQ_CODE)
return LZMA_PROG_ERROR;
return lzma_next_filter_update(
&coder->next, allocator, reversed_filters);
}
extern lzma_ret
lzma_block_encoder_init(lzma_next_coder *next, lzma_allocator *allocator,
lzma_block *block)
{
lzma_next_coder_init(&lzma_block_encoder_init, next, allocator);
if (block->version != 0)
return LZMA_OPTIONS_ERROR;
// If the Check ID is not supported, we cannot calculate the check and
// thus not create a proper Block.
if ((unsigned int)(block->check) > LZMA_CHECK_ID_MAX)
return LZMA_PROG_ERROR;
if (!lzma_check_is_supported(block->check))
return LZMA_UNSUPPORTED_CHECK;
// Allocate and initialize *next->coder if needed.
if (next->coder == NULL) {
next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
if (next->coder == NULL)
return LZMA_MEM_ERROR;
next->code = &block_encode;
next->end = &block_encoder_end;
next->update = &block_encoder_update;
next->coder->next = LZMA_NEXT_CODER_INIT;
}
// Basic initializations
next->coder->sequence = SEQ_CODE;
next->coder->block = block;
next->coder->compressed_size = 0;
next->coder->uncompressed_size = 0;
next->coder->pos = 0;
// Initialize the check
lzma_check_init(&next->coder->check, block->check);
// Initialize the requested filters.
return lzma_raw_encoder_init(&next->coder->next, allocator,
block->filters);
}
extern LZMA_API(lzma_ret)
lzma_block_encoder(lzma_stream *strm, lzma_block *block)
{
lzma_next_strm_init(lzma_block_encoder_init, strm, block);
strm->internal->supported_actions[LZMA_RUN] = true;
strm->internal->supported_actions[LZMA_FINISH] = true;
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_encoder.h
/// \brief Encodes .xz Blocks
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_BLOCK_ENCODER_H
#define LZMA_BLOCK_ENCODER_H
#include "common.h"
/// \brief Biggest Compressed Size value that the Block encoder supports
///
/// The maximum size of a single Block is limited by the maximum size of
/// a Stream, which in theory is 2^63 - 3 bytes (i.e. LZMA_VLI_MAX - 3).
/// While the size is really big and no one should hit it in practice, we
/// take it into account in some places anyway to catch some errors e.g. if
/// application passes insanely big value to some function.
///
/// We could take into account the headers etc. to determine the exact
/// maximum size of the Compressed Data field, but the complexity would give
/// us nothing useful. Instead, limit the size of Compressed Data so that
/// even with biggest possible Block Header and Check fields the total
/// encoded size of the Block stays as a valid VLI. This doesn't guarantee
/// that the size of the Stream doesn't grow too big, but that problem is
/// taken care outside the Block handling code.
///
/// ~LZMA_VLI_C(3) is to guarantee that if we need padding at the end of
/// the Compressed Data field, it will still stay in the proper limit.
///
/// This constant is in this file because it is needed in both
/// block_encoder.c and block_buffer_encoder.c.
#define COMPRESSED_SIZE_MAX ((LZMA_VLI_MAX - LZMA_BLOCK_HEADER_SIZE_MAX \
- LZMA_CHECK_SIZE_MAX) & ~LZMA_VLI_C(3))
extern lzma_ret lzma_block_encoder_init(lzma_next_coder *next,
lzma_allocator *allocator, lzma_block *block);
#endif

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_header_decoder.c
/// \brief Decodes Block Header from .xz files
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#include "check.h"
static void
free_properties(lzma_block *block, lzma_allocator *allocator)
{
// Free allocated filter options. The last array member is not
// touched after the initialization in the beginning of
// lzma_block_header_decode(), so we don't need to touch that here.
for (size_t i = 0; i < LZMA_FILTERS_MAX; ++i) {
lzma_free(block->filters[i].options, allocator);
block->filters[i].id = LZMA_VLI_UNKNOWN;
block->filters[i].options = NULL;
}
return;
}
extern LZMA_API(lzma_ret)
lzma_block_header_decode(lzma_block *block,
lzma_allocator *allocator, const uint8_t *in)
{
// NOTE: We consider the header to be corrupt not only when the
// CRC32 doesn't match, but also when variable-length integers
// are invalid or over 63 bits, or if the header is too small
// to contain the claimed information.
// Initialize the filter options array. This way the caller can
// safely free() the options even if an error occurs in this function.
for (size_t i = 0; i <= LZMA_FILTERS_MAX; ++i) {
block->filters[i].id = LZMA_VLI_UNKNOWN;
block->filters[i].options = NULL;
}
// Always zero for now.
block->version = 0;
// Validate Block Header Size and Check type. The caller must have
// already set these, so it is a programming error if this test fails.
if (lzma_block_header_size_decode(in[0]) != block->header_size
|| (unsigned int)(block->check) > LZMA_CHECK_ID_MAX)
return LZMA_PROG_ERROR;
// Exclude the CRC32 field.
const size_t in_size = block->header_size - 4;
// Verify CRC32
if (lzma_crc32(in, in_size, 0) != unaligned_read32le(in + in_size))
return LZMA_DATA_ERROR;
// Check for unsupported flags.
if (in[1] & 0x3C)
return LZMA_OPTIONS_ERROR;
// Start after the Block Header Size and Block Flags fields.
size_t in_pos = 2;
// Compressed Size
if (in[1] & 0x40) {
return_if_error(lzma_vli_decode(&block->compressed_size,
NULL, in, &in_pos, in_size));
// Validate Compressed Size. This checks that it isn't zero
// and that the total size of the Block is a valid VLI.
if (lzma_block_unpadded_size(block) == 0)
return LZMA_DATA_ERROR;
} else {
block->compressed_size = LZMA_VLI_UNKNOWN;
}
// Uncompressed Size
if (in[1] & 0x80)
return_if_error(lzma_vli_decode(&block->uncompressed_size,
NULL, in, &in_pos, in_size));
else
block->uncompressed_size = LZMA_VLI_UNKNOWN;
// Filter Flags
const size_t filter_count = (in[1] & 3) + 1;
for (size_t i = 0; i < filter_count; ++i) {
const lzma_ret ret = lzma_filter_flags_decode(
&block->filters[i], allocator,
in, &in_pos, in_size);
if (ret != LZMA_OK) {
free_properties(block, allocator);
return ret;
}
}
// Padding
while (in_pos < in_size) {
if (in[in_pos++] != 0x00) {
free_properties(block, allocator);
// Possibly some new field present so use
// LZMA_OPTIONS_ERROR instead of LZMA_DATA_ERROR.
return LZMA_OPTIONS_ERROR;
}
}
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_header_encoder.c
/// \brief Encodes Block Header for .xz files
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#include "check.h"
extern LZMA_API(lzma_ret)
lzma_block_header_size(lzma_block *block)
{
if (block->version != 0)
return LZMA_OPTIONS_ERROR;
// Block Header Size + Block Flags + CRC32.
uint32_t size = 1 + 1 + 4;
// Compressed Size
if (block->compressed_size != LZMA_VLI_UNKNOWN) {
const uint32_t add = lzma_vli_size(block->compressed_size);
if (add == 0 || block->compressed_size == 0)
return LZMA_PROG_ERROR;
size += add;
}
// Uncompressed Size
if (block->uncompressed_size != LZMA_VLI_UNKNOWN) {
const uint32_t add = lzma_vli_size(block->uncompressed_size);
if (add == 0)
return LZMA_PROG_ERROR;
size += add;
}
// List of Filter Flags
if (block->filters == NULL || block->filters[0].id == LZMA_VLI_UNKNOWN)
return LZMA_PROG_ERROR;
for (size_t i = 0; block->filters[i].id != LZMA_VLI_UNKNOWN; ++i) {
// Don't allow too many filters.
if (i == LZMA_FILTERS_MAX)
return LZMA_PROG_ERROR;
uint32_t add;
return_if_error(lzma_filter_flags_size(&add,
block->filters + i));
size += add;
}
// Pad to a multiple of four bytes.
block->header_size = (size + 3) & ~UINT32_C(3);
// NOTE: We don't verify that the encoded size of the Block stays
// within limits. This is because it is possible that we are called
// with exaggerated Compressed Size (e.g. LZMA_VLI_MAX) to reserve
// space for Block Header, and later called again with lower,
// real values.
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_block_header_encode(const lzma_block *block, uint8_t *out)
{
// Validate everything but filters.
if (lzma_block_unpadded_size(block) == 0
|| !lzma_vli_is_valid(block->uncompressed_size))
return LZMA_PROG_ERROR;
// Indicate the size of the buffer _excluding_ the CRC32 field.
const size_t out_size = block->header_size - 4;
// Store the Block Header Size.
out[0] = out_size / 4;
// We write Block Flags in pieces.
out[1] = 0x00;
size_t out_pos = 2;
// Compressed Size
if (block->compressed_size != LZMA_VLI_UNKNOWN) {
return_if_error(lzma_vli_encode(block->compressed_size, NULL,
out, &out_pos, out_size));
out[1] |= 0x40;
}
// Uncompressed Size
if (block->uncompressed_size != LZMA_VLI_UNKNOWN) {
return_if_error(lzma_vli_encode(block->uncompressed_size, NULL,
out, &out_pos, out_size));
out[1] |= 0x80;
}
// Filter Flags
if (block->filters == NULL || block->filters[0].id == LZMA_VLI_UNKNOWN)
return LZMA_PROG_ERROR;
size_t filter_count = 0;
do {
// There can be a maximum of four filters.
if (filter_count == LZMA_FILTERS_MAX)
return LZMA_PROG_ERROR;
return_if_error(lzma_filter_flags_encode(
block->filters + filter_count,
out, &out_pos, out_size));
} while (block->filters[++filter_count].id != LZMA_VLI_UNKNOWN);
out[1] |= filter_count - 1;
// Padding
memzero(out + out_pos, out_size - out_pos);
// CRC32
unaligned_write32le(out + out_size, lzma_crc32(out, out_size, 0));
return LZMA_OK;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file block_header.c
/// \brief Utility functions to handle lzma_block
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
#include "index.h"
extern LZMA_API(lzma_ret)
lzma_block_compressed_size(lzma_block *block, lzma_vli unpadded_size)
{
// Validate everything but Uncompressed Size and filters.
if (lzma_block_unpadded_size(block) == 0)
return LZMA_PROG_ERROR;
const uint32_t container_size = block->header_size
+ lzma_check_size(block->check);
// Validate that Compressed Size will be greater than zero.
if (unpadded_size <= container_size)
return LZMA_DATA_ERROR;
// Calculate what Compressed Size is supposed to be.
// If Compressed Size was present in Block Header,
// compare that the new value matches it.
const lzma_vli compressed_size = unpadded_size - container_size;
if (block->compressed_size != LZMA_VLI_UNKNOWN
&& block->compressed_size != compressed_size)
return LZMA_DATA_ERROR;
block->compressed_size = compressed_size;
return LZMA_OK;
}
extern LZMA_API(lzma_vli)
lzma_block_unpadded_size(const lzma_block *block)
{
// Validate the values that we are interested in i.e. all but
// Uncompressed Size and the filters.
//
// NOTE: This function is used for validation too, so it is
// essential that these checks are always done even if
// Compressed Size is unknown.
if (block == NULL || block->version != 0
|| block->header_size < LZMA_BLOCK_HEADER_SIZE_MIN
|| block->header_size > LZMA_BLOCK_HEADER_SIZE_MAX
|| (block->header_size & 3)
|| !lzma_vli_is_valid(block->compressed_size)
|| block->compressed_size == 0
|| (unsigned int)(block->check) > LZMA_CHECK_ID_MAX)
return 0;
// If Compressed Size is unknown, return that we cannot know
// size of the Block either.
if (block->compressed_size == LZMA_VLI_UNKNOWN)
return LZMA_VLI_UNKNOWN;
// Calculate Unpadded Size and validate it.
const lzma_vli unpadded_size = block->compressed_size
+ block->header_size
+ lzma_check_size(block->check);
assert(unpadded_size >= UNPADDED_SIZE_MIN);
if (unpadded_size > UNPADDED_SIZE_MAX)
return 0;
return unpadded_size;
}
extern LZMA_API(lzma_vli)
lzma_block_total_size(const lzma_block *block)
{
lzma_vli unpadded_size = lzma_block_unpadded_size(block);
if (unpadded_size != LZMA_VLI_UNKNOWN)
unpadded_size = vli_ceil4(unpadded_size);
return unpadded_size;
}

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///////////////////////////////////////////////////////////////////////////////
//
/// \file common.h
/// \brief Common functions needed in many places in liblzma
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
/////////////
// Version //
/////////////
extern LZMA_API(uint32_t)
lzma_version_number(void)
{
return LZMA_VERSION;
}
extern LZMA_API(const char *)
lzma_version_string(void)
{
return LZMA_VERSION_STRING;
}
///////////////////////
// Memory allocation //
///////////////////////
extern void * lzma_attribute((malloc))
lzma_alloc(size_t size, lzma_allocator *allocator)
{
// Some malloc() variants return NULL if called with size == 0.
if (size == 0)
size = 1;
void *ptr;
if (allocator != NULL && allocator->alloc != NULL)
ptr = allocator->alloc(allocator->opaque, 1, size);
else
ptr = malloc(size);
return ptr;
}
extern void
lzma_free(void *ptr, lzma_allocator *allocator)
{
if (allocator != NULL && allocator->free != NULL)
allocator->free(allocator->opaque, ptr);
else
free(ptr);
return;
}
//////////
// Misc //
//////////
extern size_t
lzma_bufcpy(const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size)
{
const size_t in_avail = in_size - *in_pos;
const size_t out_avail = out_size - *out_pos;
const size_t copy_size = my_min(in_avail, out_avail);
memcpy(out + *out_pos, in + *in_pos, copy_size);
*in_pos += copy_size;
*out_pos += copy_size;
return copy_size;
}
extern lzma_ret
lzma_next_filter_init(lzma_next_coder *next, lzma_allocator *allocator,
const lzma_filter_info *filters)
{
lzma_next_coder_init(filters[0].init, next, allocator);
next->id = filters[0].id;
return filters[0].init == NULL
? LZMA_OK : filters[0].init(next, allocator, filters);
}
extern lzma_ret
lzma_next_filter_update(lzma_next_coder *next, lzma_allocator *allocator,
const lzma_filter *reversed_filters)
{
// Check that the application isn't trying to change the Filter ID.
// End of filters is indicated with LZMA_VLI_UNKNOWN in both
// reversed_filters[0].id and next->id.
if (reversed_filters[0].id != next->id)
return LZMA_PROG_ERROR;
if (reversed_filters[0].id == LZMA_VLI_UNKNOWN)
return LZMA_OK;
assert(next->update != NULL);
return next->update(next->coder, allocator, NULL, reversed_filters);
}
extern void
lzma_next_end(lzma_next_coder *next, lzma_allocator *allocator)
{
if (next->init != (uintptr_t)(NULL)) {
// To avoid tiny end functions that simply call
// lzma_free(coder, allocator), we allow leaving next->end
// NULL and call lzma_free() here.
if (next->end != NULL)
next->end(next->coder, allocator);
else
lzma_free(next->coder, allocator);
// Reset the variables so the we don't accidentally think
// that it is an already initialized coder.
*next = LZMA_NEXT_CODER_INIT;
}
return;
}
//////////////////////////////////////
// External to internal API wrapper //
//////////////////////////////////////
extern lzma_ret
lzma_strm_init(lzma_stream *strm)
{
if (strm == NULL)
return LZMA_PROG_ERROR;
if (strm->internal == NULL) {
strm->internal = lzma_alloc(sizeof(lzma_internal),
strm->allocator);
if (strm->internal == NULL)
return LZMA_MEM_ERROR;
strm->internal->next = LZMA_NEXT_CODER_INIT;
}
strm->internal->supported_actions[LZMA_RUN] = false;
strm->internal->supported_actions[LZMA_SYNC_FLUSH] = false;
strm->internal->supported_actions[LZMA_FULL_FLUSH] = false;
strm->internal->supported_actions[LZMA_FINISH] = false;
strm->internal->sequence = ISEQ_RUN;
strm->internal->allow_buf_error = false;
strm->total_in = 0;
strm->total_out = 0;
return LZMA_OK;
}
extern LZMA_API(lzma_ret)
lzma_code(lzma_stream *strm, lzma_action action)
{
// Sanity checks
if ((strm->next_in == NULL && strm->avail_in != 0)
|| (strm->next_out == NULL && strm->avail_out != 0)
|| strm->internal == NULL
|| strm->internal->next.code == NULL
|| (unsigned int)(action) > LZMA_FINISH
|| !strm->internal->supported_actions[action])
return LZMA_PROG_ERROR;
// Check if unsupported members have been set to non-zero or non-NULL,
// which would indicate that some new feature is wanted.
if (strm->reserved_ptr1 != NULL
|| strm->reserved_ptr2 != NULL
|| strm->reserved_ptr3 != NULL
|| strm->reserved_ptr4 != NULL
|| strm->reserved_int1 != 0
|| strm->reserved_int2 != 0
|| strm->reserved_int3 != 0
|| strm->reserved_int4 != 0
|| strm->reserved_enum1 != LZMA_RESERVED_ENUM
|| strm->reserved_enum2 != LZMA_RESERVED_ENUM)
return LZMA_OPTIONS_ERROR;
switch (strm->internal->sequence) {
case ISEQ_RUN:
switch (action) {
case LZMA_RUN:
break;
case LZMA_SYNC_FLUSH:
strm->internal->sequence = ISEQ_SYNC_FLUSH;
break;
case LZMA_FULL_FLUSH:
strm->internal->sequence = ISEQ_FULL_FLUSH;
break;
case LZMA_FINISH:
strm->internal->sequence = ISEQ_FINISH;
break;
}
break;
case ISEQ_SYNC_FLUSH:
// The same action must be used until we return
// LZMA_STREAM_END, and the amount of input must not change.
if (action != LZMA_SYNC_FLUSH
|| strm->internal->avail_in != strm->avail_in)
return LZMA_PROG_ERROR;
break;
case ISEQ_FULL_FLUSH:
if (action != LZMA_FULL_FLUSH
|| strm->internal->avail_in != strm->avail_in)
return LZMA_PROG_ERROR;
break;
case ISEQ_FINISH:
if (action != LZMA_FINISH
|| strm->internal->avail_in != strm->avail_in)
return LZMA_PROG_ERROR;
break;
case ISEQ_END:
return LZMA_STREAM_END;
case ISEQ_ERROR:
default:
return LZMA_PROG_ERROR;
}
size_t in_pos = 0;
size_t out_pos = 0;
lzma_ret ret = strm->internal->next.code(
strm->internal->next.coder, strm->allocator,
strm->next_in, &in_pos, strm->avail_in,
strm->next_out, &out_pos, strm->avail_out, action);
strm->next_in += in_pos;
strm->avail_in -= in_pos;
strm->total_in += in_pos;
strm->next_out += out_pos;
strm->avail_out -= out_pos;
strm->total_out += out_pos;
strm->internal->avail_in = strm->avail_in;
switch (ret) {
case LZMA_OK:
// Don't return LZMA_BUF_ERROR when it happens the first time.
// This is to avoid returning LZMA_BUF_ERROR when avail_out
// was zero but still there was no more data left to written
// to next_out.
if (out_pos == 0 && in_pos == 0) {
if (strm->internal->allow_buf_error)
ret = LZMA_BUF_ERROR;
else
strm->internal->allow_buf_error = true;
} else {
strm->internal->allow_buf_error = false;
}
break;
case LZMA_STREAM_END:
if (strm->internal->sequence == ISEQ_SYNC_FLUSH
|| strm->internal->sequence == ISEQ_FULL_FLUSH)
strm->internal->sequence = ISEQ_RUN;
else
strm->internal->sequence = ISEQ_END;
// Fall through
case LZMA_NO_CHECK:
case LZMA_UNSUPPORTED_CHECK:
case LZMA_GET_CHECK:
case LZMA_MEMLIMIT_ERROR:
// Something else than LZMA_OK, but not a fatal error,
// that is, coding may be continued (except if ISEQ_END).
strm->internal->allow_buf_error = false;
break;
default:
// All the other errors are fatal; coding cannot be continued.
assert(ret != LZMA_BUF_ERROR);
strm->internal->sequence = ISEQ_ERROR;
break;
}
return ret;
}
extern LZMA_API(void)
lzma_end(lzma_stream *strm)
{
if (strm != NULL && strm->internal != NULL) {
lzma_next_end(&strm->internal->next, strm->allocator);
lzma_free(strm->internal, strm->allocator);
strm->internal = NULL;
}
return;
}
extern LZMA_API(lzma_check)
lzma_get_check(const lzma_stream *strm)
{
// Return LZMA_CHECK_NONE if we cannot know the check type.
// It's a bug in the application if this happens.
if (strm->internal->next.get_check == NULL)
return LZMA_CHECK_NONE;
return strm->internal->next.get_check(strm->internal->next.coder);
}
extern LZMA_API(uint64_t)
lzma_memusage(const lzma_stream *strm)
{
uint64_t memusage;
uint64_t old_memlimit;
if (strm == NULL || strm->internal == NULL
|| strm->internal->next.memconfig == NULL
|| strm->internal->next.memconfig(
strm->internal->next.coder,
&memusage, &old_memlimit, 0) != LZMA_OK)
return 0;
return memusage;
}
extern LZMA_API(uint64_t)
lzma_memlimit_get(const lzma_stream *strm)
{
uint64_t old_memlimit;
uint64_t memusage;
if (strm == NULL || strm->internal == NULL
|| strm->internal->next.memconfig == NULL
|| strm->internal->next.memconfig(
strm->internal->next.coder,
&memusage, &old_memlimit, 0) != LZMA_OK)
return 0;
return old_memlimit;
}
extern LZMA_API(lzma_ret)
lzma_memlimit_set(lzma_stream *strm, uint64_t new_memlimit)
{
// Dummy variables to simplify memconfig functions
uint64_t old_memlimit;
uint64_t memusage;
if (strm == NULL || strm->internal == NULL
|| strm->internal->next.memconfig == NULL)
return LZMA_PROG_ERROR;
if (new_memlimit != 0 && new_memlimit < LZMA_MEMUSAGE_BASE)
return LZMA_MEMLIMIT_ERROR;
return strm->internal->next.memconfig(strm->internal->next.coder,
&memusage, &old_memlimit, new_memlimit);
}

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@ -0,0 +1,284 @@
///////////////////////////////////////////////////////////////////////////////
//
/// \file common.h
/// \brief Definitions common to the whole liblzma library
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_COMMON_H
#define LZMA_COMMON_H
#include "sysdefs.h"
#include "mythread.h"
#include "tuklib_integer.h"
#if defined(_WIN32) || defined(__CYGWIN__)
# ifdef DLL_EXPORT
# define LZMA_API_EXPORT __declspec(dllexport)
# else
# define LZMA_API_EXPORT
# endif
// Don't use ifdef or defined() below.
#elif HAVE_VISIBILITY
# define LZMA_API_EXPORT __attribute__((__visibility__("default")))
#else
# define LZMA_API_EXPORT
#endif
#define LZMA_API(type) LZMA_API_EXPORT type LZMA_API_CALL
#include "lzma.h"
// These allow helping the compiler in some often-executed branches, whose
// result is almost always the same.
#ifdef __GNUC__
# define likely(expr) __builtin_expect(expr, true)
# define unlikely(expr) __builtin_expect(expr, false)
#else
# define likely(expr) (expr)
# define unlikely(expr) (expr)
#endif
/// Size of temporary buffers needed in some filters
#define LZMA_BUFFER_SIZE 4096
/// Starting value for memory usage estimates. Instead of calculating size
/// of _every_ structure and taking into account malloc() overhead etc., we
/// add a base size to all memory usage estimates. It's not very accurate
/// but should be easily good enough.
#define LZMA_MEMUSAGE_BASE (UINT64_C(1) << 15)
/// Start of internal Filter ID space. These IDs must never be used
/// in Streams.
#define LZMA_FILTER_RESERVED_START (LZMA_VLI_C(1) << 62)
/// Supported flags that can be passed to lzma_stream_decoder()
/// or lzma_auto_decoder().
#define LZMA_SUPPORTED_FLAGS \
( LZMA_TELL_NO_CHECK \
| LZMA_TELL_UNSUPPORTED_CHECK \
| LZMA_TELL_ANY_CHECK \
| LZMA_CONCATENATED )
/// Type of encoder/decoder specific data; the actual structure is defined
/// differently in different coders.
typedef struct lzma_coder_s lzma_coder;
typedef struct lzma_next_coder_s lzma_next_coder;
typedef struct lzma_filter_info_s lzma_filter_info;
/// Type of a function used to initialize a filter encoder or decoder
typedef lzma_ret (*lzma_init_function)(
lzma_next_coder *next, lzma_allocator *allocator,
const lzma_filter_info *filters);
/// Type of a function to do some kind of coding work (filters, Stream,
/// Block encoders/decoders etc.). Some special coders use don't use both
/// input and output buffers, but for simplicity they still use this same
/// function prototype.
typedef lzma_ret (*lzma_code_function)(
lzma_coder *coder, lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size,
lzma_action action);
/// Type of a function to free the memory allocated for the coder
typedef void (*lzma_end_function)(
lzma_coder *coder, lzma_allocator *allocator);
/// Raw coder validates and converts an array of lzma_filter structures to
/// an array of lzma_filter_info structures. This array is used with
/// lzma_next_filter_init to initialize the filter chain.
struct lzma_filter_info_s {
/// Filter ID. This is used only by the encoder
/// with lzma_filters_update().
lzma_vli id;
/// Pointer to function used to initialize the filter.
/// This is NULL to indicate end of array.
lzma_init_function init;
/// Pointer to filter's options structure
void *options;
};
/// Hold data and function pointers of the next filter in the chain.
struct lzma_next_coder_s {
/// Pointer to coder-specific data
lzma_coder *coder;
/// Filter ID. This is LZMA_VLI_UNKNOWN when this structure doesn't
/// point to a filter coder.
lzma_vli id;
/// "Pointer" to init function. This is never called here.
/// We need only to detect if we are initializing a coder
/// that was allocated earlier. See lzma_next_coder_init and
/// lzma_next_strm_init macros in this file.
uintptr_t init;
/// Pointer to function to do the actual coding
lzma_code_function code;
/// Pointer to function to free lzma_next_coder.coder. This can
/// be NULL; in that case, lzma_free is called to free
/// lzma_next_coder.coder.
lzma_end_function end;
/// Pointer to function to return the type of the integrity check.
/// Most coders won't support this.
lzma_check (*get_check)(const lzma_coder *coder);
/// Pointer to function to get and/or change the memory usage limit.
/// If new_memlimit == 0, the limit is not changed.
lzma_ret (*memconfig)(lzma_coder *coder, uint64_t *memusage,
uint64_t *old_memlimit, uint64_t new_memlimit);
/// Update the filter-specific options or the whole filter chain
/// in the encoder.
lzma_ret (*update)(lzma_coder *coder, lzma_allocator *allocator,
const lzma_filter *filters,
const lzma_filter *reversed_filters);
};
/// Macro to initialize lzma_next_coder structure
#define LZMA_NEXT_CODER_INIT \
(lzma_next_coder){ \
.coder = NULL, \
.init = (uintptr_t)(NULL), \
.id = LZMA_VLI_UNKNOWN, \
.code = NULL, \
.end = NULL, \
.get_check = NULL, \
.memconfig = NULL, \
.update = NULL, \
}
/// Internal data for lzma_strm_init, lzma_code, and lzma_end. A pointer to
/// this is stored in lzma_stream.
struct lzma_internal_s {
/// The actual coder that should do something useful
lzma_next_coder next;
/// Track the state of the coder. This is used to validate arguments
/// so that the actual coders can rely on e.g. that LZMA_SYNC_FLUSH
/// is used on every call to lzma_code until next.code has returned
/// LZMA_STREAM_END.
enum {
ISEQ_RUN,
ISEQ_SYNC_FLUSH,
ISEQ_FULL_FLUSH,
ISEQ_FINISH,
ISEQ_END,
ISEQ_ERROR,
} sequence;
/// A copy of lzma_stream avail_in. This is used to verify that the
/// amount of input doesn't change once e.g. LZMA_FINISH has been
/// used.
size_t avail_in;
/// Indicates which lzma_action values are allowed by next.code.
bool supported_actions[4];
/// If true, lzma_code will return LZMA_BUF_ERROR if no progress was
/// made (no input consumed and no output produced by next.code).
bool allow_buf_error;
};
/// Allocates memory
extern void *lzma_alloc(size_t size, lzma_allocator *allocator)
lzma_attribute((malloc));
/// Frees memory
extern void lzma_free(void *ptr, lzma_allocator *allocator);
/// Allocates strm->internal if it is NULL, and initializes *strm and
/// strm->internal. This function is only called via lzma_next_strm_init macro.
extern lzma_ret lzma_strm_init(lzma_stream *strm);
/// Initializes the next filter in the chain, if any. This takes care of
/// freeing the memory of previously initialized filter if it is different
/// than the filter being initialized now. This way the actual filter
/// initialization functions don't need to use lzma_next_coder_init macro.
extern lzma_ret lzma_next_filter_init(lzma_next_coder *next,
lzma_allocator *allocator, const lzma_filter_info *filters);
/// Update the next filter in the chain, if any. This checks that
/// the application is not trying to change the Filter IDs.
extern lzma_ret lzma_next_filter_update(
lzma_next_coder *next, lzma_allocator *allocator,
const lzma_filter *reversed_filters);
/// Frees the memory allocated for next->coder either using next->end or,
/// if next->end is NULL, using lzma_free.
extern void lzma_next_end(lzma_next_coder *next, lzma_allocator *allocator);
/// Copy as much data as possible from in[] to out[] and update *in_pos
/// and *out_pos accordingly. Returns the number of bytes copied.
extern size_t lzma_bufcpy(const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size);
/// \brief Return if expression doesn't evaluate to LZMA_OK
///
/// There are several situations where we want to return immediately
/// with the value of expr if it isn't LZMA_OK. This macro shortens
/// the code a little.
#define return_if_error(expr) \
do { \
const lzma_ret ret_ = (expr); \
if (ret_ != LZMA_OK) \
return ret_; \
} while (0)
/// If next isn't already initialized, free the previous coder. Then mark
/// that next is _possibly_ initialized for the coder using this macro.
/// "Possibly" means that if e.g. allocation of next->coder fails, the
/// structure isn't actually initialized for this coder, but leaving
/// next->init to func is still OK.
#define lzma_next_coder_init(func, next, allocator) \
do { \
if ((uintptr_t)(func) != (next)->init) \
lzma_next_end(next, allocator); \
(next)->init = (uintptr_t)(func); \
} while (0)
/// Initializes lzma_strm and calls func() to initialize strm->internal->next.
/// (The function being called will use lzma_next_coder_init()). If
/// initialization fails, memory that wasn't freed by func() is freed
/// along strm->internal.
#define lzma_next_strm_init(func, strm, ...) \
do { \
return_if_error(lzma_strm_init(strm)); \
const lzma_ret ret_ = func(&(strm)->internal->next, \
(strm)->allocator, __VA_ARGS__); \
if (ret_ != LZMA_OK) { \
lzma_end(strm); \
return ret_; \
} \
} while (0)
#endif

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