usr.bin/stat Update
Change-Id: I029160c73baab1b3465bc5397a36c55886db225b
This commit is contained in:
Lionel Sambuc
parent
f84d21b043
commit
474b24f91c
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@ -228,7 +228,7 @@
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2012/10/17 12:00:00,usr.bin/soelim
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2012/10/17 12:00:00,usr.bin/sort
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2012/10/17 12:00:00,usr.bin/split
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2011/01/15 22:54:10,usr.bin/stat
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2012/10/17 12:00:00,usr.bin/stat
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2012/02/10 16:16:12,usr.bin/su
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2013/10/06 12:00:00,usr.bin/tee
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2012/06/01 12:08:40,usr.bin/tic
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@ -1,6 +1,6 @@
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.\" $NetBSD: stat.1,v 1.28 2010/04/05 21:25:01 joerg Exp $
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.\" $NetBSD: stat.1,v 1.34 2011/09/22 20:23:55 apb Exp $
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.\"
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.\" Copyright (c) 2002-2005 The NetBSD Foundation, Inc.
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.\" Copyright (c) 2002-2011 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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@ -27,7 +27,7 @@
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd November 7, 2008
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.Dd September 22, 2011
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.Dt STAT 1
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.Os
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.Sh NAME
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@ -47,7 +47,7 @@
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.Op Fl t Ar timefmt
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.Op Ar
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.Nm readlink
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.Op Fl fn
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.Op Fl fnqsv
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.Op Ar
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.Sh DESCRIPTION
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The
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@ -165,11 +165,16 @@ epoch, etc.)
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Display information in
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.Dq shell output ,
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suitable for initializing variables.
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When run as
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.Nm readlink ,
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suppress error messages.
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.It Fl t Ar timefmt
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Display timestamps using the specified format.
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This format is
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passed directly to
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.Xr strftime 3 .
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.It Fl v
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Turn off quiet mode.
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.It Fl x
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Display information in a more verbose way as known from some Linux
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distributions.
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@ -197,9 +202,12 @@ examined for the following:
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Any of the following optional flags:
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.Bl -tag -width Ds
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.It Cm #
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Selects an alternate output form for octal and hexadecimal output.
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Non-zero octal output will have a leading zero, and non-zero
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hexadecimal output will have
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Selects an alternate output form for string, octal and hexadecimal output.
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String output will be encoded in
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.Xr vis 3
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style.
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Non-zero octal output will have a leading zero.
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Non-zero hexadecimal output will have
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.Dq 0x
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prepended to it.
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.It Cm +
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@ -430,7 +438,7 @@ is given.
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The target of a symbolic link.
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.It Cm Z
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Expands to
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.Dq major,minor
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.Dq Ar major , Ns Ar minor
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from the rdev field for character or block
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special devices and gives size output for all others.
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.El
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@ -468,6 +476,41 @@ If no options are specified, the default format is
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0 78852 -rw-r--r-- 1 root wheel 0 0 "Jul 8 10:26:03 2004" "Jul 8 10:26:03 2004" "Jul 8 10:28:13 2004" "Jan 1 09:00:00 1970" 16384 0 0 /tmp/bar
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.Ed
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.Pp
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This example produces output very similar to that from
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.Ic find ... -ls
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(except that
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.Xr find 1
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displays the time in a different format, and
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.Xr find 1
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sometimes adds one or more spaces after the comma in
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.Dq Ar major , Ns Ar minor
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for device nodes):
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.Bd -literal -offset indent
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\*[Gt] stat -f "%7i %6b %-11Sp %3l %-17Su %-17Sg %9Z %Sm %N%SY" /tmp/bar
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78852 0 -rw-r--r-- 1 root wheel 0 Jul 8 10:26:03 2004 /tmp/bar
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\*[Gt] find /tmp/bar -ls -exit
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78852 0 -rw-r--r-- 1 root wheel 0 Jul 8 2004 /tmp/bar
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.Ed
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.Pp
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This example produces output very similar to that from
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.Ic ls -lTd
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(except that
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.Xr ls 1
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adjusts the column spacing differently when listing multiple files,
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and
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.Xr ls 1
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adds at least one space after the comma in
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.Dq Ar major , Ns Ar minor
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for device nodes):
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.Bd -literal -offset indent
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\*[Gt] stat -f "%-11Sp %l %Su %Sg %Z %Sm %N%SY" /tmp/bar
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-rw-r--r-- 1 root wheel 0 Jul 8 10:26:03 2004 /tmp/bar
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\*[Gt] ls -lTd /tmp/bar
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-rw-r--r-- 1 root wheel 0 Jul 8 10:26:03 2004 /tmp/bar
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.Ed
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.Pp
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Given a symbolic link
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.Dq foo
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that points from
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@ -542,6 +585,18 @@ Apr 25 11:47:00 2002 /tmp/blah
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Apr 25 10:36:34 2002 /tmp/bar
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Apr 24 16:47:35 2002 /tmp/foo
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.Ed
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.Pp
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User names, group names, and file names that contain spaces
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or other special characters may be encoded in
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.Xr vis 3
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style, using the
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.Cm \&#
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modifier:
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.Bd -literal -offset indent
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\*[Gt] ln -s 'target with spaces' 'link with spaces'
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\*[Gt] stat -f "%#N%#SY" 'link with spaces'
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link\eswith\esspaces -\*[Gt] target\eswith\esspaces
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.Ed
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.Sh SEE ALSO
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.Xr basename 1 ,
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.Xr dirname 1 ,
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@ -1,7 +1,7 @@
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/* $NetBSD: stat.c,v 1.33 2011/01/15 22:54:10 njoly Exp $ */
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/* $NetBSD: stat.c,v 1.36 2011/09/22 20:23:56 apb Exp $ */
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/*
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* Copyright (c) 2002-2011 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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@ -35,7 +35,7 @@
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#include <sys/cdefs.h>
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#if !defined(lint)
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__RCSID("$NetBSD: stat.c,v 1.33 2011/01/15 22:54:10 njoly Exp $");
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__RCSID("$NetBSD: stat.c,v 1.36 2011/09/22 20:23:56 apb Exp $");
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#endif
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#if ! HAVE_NBTOOL_CONFIG_H
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@ -46,7 +46,7 @@ __RCSID("$NetBSD: stat.c,v 1.33 2011/01/15 22:54:10 njoly Exp $");
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#define HAVE_STRUCT_STAT_ST_MTIMENSEC 1
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#ifdef __minix
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/* Not supported in Minix. */
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#define HAVE_DEVNAME 0
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#define HAVE_DEVNAME 0
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#else /* __minix */
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#define HAVE_DEVNAME 1
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#endif /* __minx */
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@ -66,6 +66,7 @@ __RCSID("$NetBSD: stat.c,v 1.33 2011/01/15 22:54:10 njoly Exp $");
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <vis.h>
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#if HAVE_STRUCT_STAT_ST_FLAGS
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#define DEF_F "%#Xf "
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@ -179,18 +180,18 @@ __RCSID("$NetBSD: stat.c,v 1.33 2011/01/15 22:54:10 njoly Exp $");
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#define SHOW_filename 'N'
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#define SHOW_sizerdev 'Z'
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void usage(const char *);
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void output(const struct stat *, const char *,
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const char *, int, int);
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int format1(const struct stat *, /* stat info */
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static void usage(const char *) __dead;
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static void output(const struct stat *, const char *,
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const char *, int, int, int);
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static int format1(const struct stat *, /* stat info */
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const char *, /* the file name */
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const char *, int, /* the format string itself */
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char *, size_t, /* a place to put the output */
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int, int, int, int, /* the parsed format */
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int, int);
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int, int, int);
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const char *timefmt;
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int linkfail;
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static const char *timefmt;
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static int linkfail;
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#define addchar(s, c, nl) \
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do { \
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@ -216,10 +217,12 @@ main(int argc, char *argv[])
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statfmt = NULL;
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timefmt = NULL;
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setprogname(argv[0]);
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if (strcmp(getprogname(), "readlink") == 0) {
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am_readlink = 1;
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options = "fn";
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synopsis = "[-fn] [file ...]";
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options = "fnqsv";
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synopsis = "[-fnqsv] [file ...]";
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statfmt = "%Y";
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fmtchar = 'f';
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quiet = 1;
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@ -252,6 +255,11 @@ main(int argc, char *argv[])
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case 'l':
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case 'r':
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case 's':
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if (am_readlink) {
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quiet = 1;
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break;
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}
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/*FALLTHROUGH*/
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case 'x':
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if (fmtchar != 0)
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errx(1, "can't use format '%c' with '%c'",
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@ -261,6 +269,9 @@ main(int argc, char *argv[])
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case 't':
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timefmt = optarg;
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break;
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case 'v':
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quiet = 0;
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break;
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default:
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usage(synopsis);
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}
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@ -334,7 +345,7 @@ main(int argc, char *argv[])
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usestat ? "stat" : "lstat");
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}
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else
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output(&st, argv[0], statfmt, fn, nonl);
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output(&st, argv[0], statfmt, fn, nonl, quiet);
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argv++;
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argc--;
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@ -344,7 +355,7 @@ main(int argc, char *argv[])
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return (am_readlink ? linkfail : errs);
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}
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void
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static void
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usage(const char *synopsis)
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{
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@ -355,12 +366,17 @@ usage(const char *synopsis)
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/*
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* Parses a format string.
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*/
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void
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static void
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output(const struct stat *st, const char *file,
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const char *statfmt, int fn, int nonl)
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const char *statfmt, int fn, int nonl, int quiet)
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{
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int flags, size, prec, ofmt, hilo, what;
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char buf[PATH_MAX + 4 + 1];
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/*
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* buf size is enough for an item of length PATH_MAX,
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* multiplied by 4 for vis encoding, plus 4 for symlink
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* " -> " prefix, plus 1 for \0 terminator.
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*/
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char buf[PATH_MAX * 4 + 4 + 1];
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const char *subfmt;
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int nl, t, i;
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@ -431,6 +447,7 @@ output(const struct stat *st, const char *file,
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* the leading " -> " if STRING is explicitly specified. The
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* sizerdev datum will generate rdev output for character or
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* block devices, and size output for all others.
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* For STRING output, the # format requests vis encoding.
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*/
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flags = 0;
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do {
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@ -528,7 +545,7 @@ output(const struct stat *st, const char *file,
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file,
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subfmt, statfmt - subfmt,
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buf, sizeof(buf),
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flags, size, prec, ofmt, hilo, what);
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flags, size, prec, ofmt, hilo, what, quiet);
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for (i = 0; i < t && i < (int)(sizeof(buf) - 1); i++)
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addchar(stdout, buf[i], &nl);
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@ -548,24 +565,29 @@ output(const struct stat *st, const char *file,
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/*
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* Arranges output according to a single parsed format substring.
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*/
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int
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static int
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format1(const struct stat *st,
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const char *file,
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const char *fmt, int flen,
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char *buf, size_t blen,
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int flags, int size, int prec, int ofmt,
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int hilo, int what)
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int hilo, int what, int quiet)
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{
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u_int64_t data;
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char *stmp, lfmt[24], tmp[20];
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const char *sdata;
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char smode[12], sid[12], path[PATH_MAX + 4];
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char smode[12], sid[12], path[PATH_MAX + 4], visbuf[PATH_MAX * 4 + 4];
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struct passwd *pw;
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struct group *gr;
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struct tm *tm;
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time_t secs;
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long nsecs;
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int l, small, formats, gottime, shift;
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int l;
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int formats; /* bitmap of allowed formats for this datum */
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int small; /* true if datum is a small integer */
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int gottime; /* true if secs and nsecs are valid */
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int shift; /* powers of 2 to scale numbers before printing */
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size_t prefixlen; /* length of constant prefix for string data */
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formats = 0;
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small = 0;
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@ -573,6 +595,7 @@ format1(const struct stat *st,
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secs = 0;
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nsecs = 0;
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shift = 0;
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prefixlen = 0;
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/*
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* First, pick out the data and tweak it based on hilo or
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@ -802,11 +825,14 @@ format1(const struct stat *st,
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} else {
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snprintf(path, sizeof(path), " -> ");
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if (realpath(file, path + 4) == NULL) {
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if (!quiet)
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warn("realpath `%s'", file);
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linkfail = 1;
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l = 0;
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path[0] = '\0';
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}
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sdata = path + (ofmt == FMTF_STRING ? 0 : 4);
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prefixlen = (ofmt == FMTF_STRING ? 4 : 0);
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}
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formats = FMTF_STRING;
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@ -820,12 +846,15 @@ format1(const struct stat *st,
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snprintf(path, sizeof(path), " -> ");
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l = readlink(file, path + 4, sizeof(path) - 4 - 1);
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if (l == -1) {
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if (!quiet)
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warn("readlink `%s'", file);
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linkfail = 1;
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l = 0;
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path[0] = '\0';
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}
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path[l + 4] = '\0';
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sdata = path + (ofmt == FMTF_STRING ? 0 : 4);
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prefixlen = (ofmt == FMTF_STRING ? 4 : 0);
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}
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else {
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linkfail = 1;
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@ -938,13 +967,13 @@ format1(const struct stat *st,
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fmt, flen,
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majdev, sizeof(majdev),
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flags, size, prec,
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ofmt, HIGH_PIECE, SHOW_st_rdev);
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ofmt, HIGH_PIECE, SHOW_st_rdev, quiet);
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l2 = format1(st,
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file,
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fmt, flen,
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mindev, sizeof(mindev),
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flags, size, prec,
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ofmt, LOW_PIECE, SHOW_st_rdev);
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ofmt, LOW_PIECE, SHOW_st_rdev, quiet);
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return (snprintf(buf, blen, "%.*s,%.*s",
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l1, majdev, l2, mindev));
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}
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@ -954,7 +983,7 @@ format1(const struct stat *st,
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fmt, flen,
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buf, blen,
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flags, size, prec,
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ofmt, 0, SHOW_st_size));
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ofmt, 0, SHOW_st_size, quiet));
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}
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/*NOTREACHED*/
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default:
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@ -968,6 +997,18 @@ format1(const struct stat *st,
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if (hilo != 0 || (ofmt & formats) == 0)
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errx(1, "%.*s: bad format", (int)flen, fmt);
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/*
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* FLAG_POUND with FMTF_STRING means use vis(3) encoding.
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* First prefixlen chars are not encoded.
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*/
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if ((flags & FLAG_POUND) != 0 && ofmt == FMTF_STRING) {
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flags &= !FLAG_POUND;
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strncpy(visbuf, sdata, prefixlen);
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strnvis(visbuf + prefixlen, sizeof(visbuf) - prefixlen,
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sdata + prefixlen, VIS_WHITE | VIS_OCTAL | VIS_CSTYLE);
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sdata = visbuf;
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}
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/*
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* Assemble the format string for passing to printf(3).
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*/
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