84d9c625bf
- Fix for possible unset uid/gid in toproto
- Fix for default mtree style
- Update libelf
- Importing libexecinfo
- Resynchronize GCC, mpc, gmp, mpfr
- build.sh: Replace params with show-params.
This has been done as the make target has been renamed in the same
way, while a new target named params has been added. This new
target generates a file containing all the parameters, instead of
printing it on the console.
- Update test48 with new etc/services (Fix by Ben Gras <ben@minix3.org)
get getservbyport() out of the inner loop
Change-Id: Ie6ad5226fa2621ff9f0dee8782ea48f9443d2091
94 lines
5.2 KiB
Text
94 lines
5.2 KiB
Text
# @(#)WHATSNEW 8.3 (Berkeley) 3/18/94
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New in alpha3.4: The complex bug alluded to below has been fixed (in a
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slightly kludgey temporary way that may hurt efficiency a bit; this is
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another "get it out the door for 4.4" release). The tests at the end of
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the tests file have accordingly been uncommented. The primary sign of
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the bug was that something like a?b matching ab matched b rather than ab.
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(The bug was essentially specific to this exact situation, else it would
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have shown up earlier.)
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New in alpha3.3: The definition of word boundaries has been altered
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slightly, to more closely match the usual programming notion that "_"
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is an alphabetic. Stuff used for pre-ANSI systems is now in a subdir,
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and the makefile no longer alludes to it in mysterious ways. The
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makefile has generally been cleaned up some. Fixes have been made
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(again!) so that the regression test will run without -DREDEBUG, at
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the cost of weaker checking. A workaround for a bug in some folks'
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<assert.h> has been added. And some more things have been added to
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tests, including a couple right at the end which are commented out
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because the code currently flunks them (complex bug; fix coming).
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Plus the usual minor cleanup.
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New in alpha3.2: Assorted bits of cleanup and portability improvement
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(the development base is now a BSDI system using GCC instead of an ancient
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Sun system, and the newer compiler exposed some glitches). Fix for a
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serious bug that affected REs using many [] (including REG_ICASE REs
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because of the way they are implemented), *sometimes*, depending on
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memory-allocation patterns. The header-file prototypes no longer name
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the parameters, avoiding possible name conflicts. The possibility that
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some clot has defined CHAR_MIN as (say) `-128' instead of `(-128)' is
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now handled gracefully. "uchar" is no longer used as an internal type
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name (too many people have the same idea). Still the same old lousy
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performance, alas.
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New in alpha3.1: Basically nothing, this release is just a bookkeeping
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convenience. Stay tuned.
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New in alpha3.0: Performance is no better, alas, but some fixes have been
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made and some functionality has been added. (This is basically the "get
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it out the door in time for 4.4" release.) One bug fix: regfree() didn't
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free the main internal structure (how embarrassing). It is now possible
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to put NULs in either the RE or the target string, using (resp.) a new
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REG_PEND flag and the old REG_STARTEND flag. The REG_NOSPEC flag to
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regcomp() makes all characters ordinary, so you can match a literal
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string easily (this will become more useful when performance improves!).
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There are now primitives to match beginnings and ends of words, although
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the syntax is disgusting and so is the implementation. The REG_ATOI
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debugging interface has changed a bit. And there has been considerable
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internal cleanup of various kinds.
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New in alpha2.3: Split change list out of README, and moved flags notes
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into Makefile. Macro-ized the name of regex(7) in regex(3), since it has
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to change for 4.4BSD. Cleanup work in engine.c, and some new regression
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tests to catch tricky cases thereof.
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New in alpha2.2: Out-of-date manpages updated. Regerror() acquires two
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small extensions -- REG_ITOA and REG_ATOI -- which avoid debugging kludges
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in my own test program and might be useful to others for similar purposes.
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The regression test will now compile (and run) without REDEBUG. The
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BRE \$ bug is fixed. Most uses of "uchar" are gone; it's all chars now.
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Char/uchar parameters are now written int/unsigned, to avoid possible
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portability problems with unpromoted parameters. Some unsigned casts have
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been introduced to minimize portability problems with shifting into sign
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bits.
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New in alpha2.1: Lots of little stuff, cleanup and fixes. The one big
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thing is that regex.h is now generated, using mkh, rather than being
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supplied in the distribution; due to circularities in dependencies,
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you have to build regex.h explicitly by "make h". The two known bugs
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have been fixed (and the regression test now checks for them), as has a
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problem with assertions not being suppressed in the absence of REDEBUG.
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No performance work yet.
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New in alpha2: Backslash-anything is an ordinary character, not an
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error (except, of course, for the handful of backslashed metacharacters
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in BREs), which should reduce script breakage. The regression test
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checks *where* null strings are supposed to match, and has generally
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been tightened up somewhat. Small bug fixes in parameter passing (not
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harmful, but technically errors) and some other areas. Debugging
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invoked by defining REDEBUG rather than not defining NDEBUG.
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New in alpha+3: full prototyping for internal routines, using a little
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helper program, mkh, which extracts prototypes given in stylized comments.
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More minor cleanup. Buglet fix: it's CHAR_BIT, not CHAR_BITS. Simple
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pre-screening of input when a literal string is known to be part of the
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RE; this does wonders for performance.
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New in alpha+2: minor bits of cleanup. Notably, the number "32" for the
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word width isn't hardwired into regexec.c any more, the public header
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file prototypes the functions if __STDC__ is defined, and some small typos
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in the manpages have been fixed.
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New in alpha+1: improvements to the manual pages, and an important
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extension, the REG_STARTEND option to regexec().
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