#!/bin/sh
# sh is buggy on RS/6000 AIX 3.2. Replace above line with #!/bin/ksh
-# Copyright (C) 1998, 2002, 2006, 2007 Free Software Foundation
+# Copyright (C) 1998, 2002, 2006-2007, 2009-2018 Free Software Foundation, Inc.
# Copyright (C) 1993 Jean-loup Gailly
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-PATH=BINDIR:$PATH
-
case $1 in
--__cmp) shift
- prog=cmp; cmp='${CMP-cmp}' ;;
+ prog=cmp; cmp='${CMP-cmp}' ;;
*) prog=diff; cmp='${DIFF-diff}';;
esac
version="z$prog (gzip) @VERSION@
-Copyright (C) 2007 Free Software Foundation, Inc.
+Copyright (C) 2009, 2011-2018 Free Software Foundation, Inc.
This is free software. You may redistribute copies of it under the terms of
-the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
+the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
There is NO WARRANTY, to the extent permitted by law.
Written by Jean-loup Gailly."
while :; do
case $1 in
- --h*) printf '%s\n' "$usage" || exit 2; exit;;
- --v*) echo "$version" || exit 2; exit;;
+ --h*) printf '%s\n' "$usage" || exit 2; exit;;
+ --v*) printf '%s\n' "$version" || exit 2; exit;;
--) shift; break;;
-*\'*) cmp="$cmp '"`printf '%sX\n' "$1" | sed "$escape"`;;
-?*) cmp="$cmp '$1'";;
(gzip -cd -- "$1" 4>&-; echo $? >&4) 3>&- | eval "$cmp" - '"$FILE"' >&3
);;
*)
- echo >&2 "$0: $1: unknown compressed file extension"
+ printf >&2 '%s\n' "$0: $1: unknown compressed file extension"
exit 2;;
esac
elif test $# -eq 2; then
- case "$1" in
- *[-.]gz* | *[-.][zZ] | *.t[ga]z | -)
+ case "$1" in
+ *[-.]gz* | *[-.][zZ] | *.t[ga]z | -)
case "$2" in
- *[-.]gz* | *[-.][zZ] | *.t[ga]z | -)
- if test "$1$2" = --; then
- gzip_status=$(
- exec 4>&1
- (gzip -cdfq - 4>&-; echo $? >&4) 3>&- |
- eval "$cmp" - - >&3
- )
- elif
- # Reject Solaris 8's buggy /bin/bash 2.03.
- echo X |
- (echo X | eval "$cmp" /dev/fd/5 - >/dev/null 2>&1) \
- 5<&0
- then
- gzip_status=$(
- exec 4>&1
- (gzip -cdfq -- "$1" 4>&-; echo $? >&4) 3>&- |
- ( (gzip -cdfq -- "$2" 4>&-; echo $? >&4) 3>&- 5<&- </dev/null |
- eval "$cmp" /dev/fd/5 - >&3) 5<&0
- )
- case $gzip_status in
- *[1-9]*) gzip_status=1;;
- *) gzip_status=0;;
- esac
- else
- F=`expr "/$2" : '.*/\(.*\)[-.][zZtga]*$'` || F=$prog
- tmp=
- trap '
- test -n "$tmp" && rm -f "$tmp"
- (exit 2); exit 2
- ' HUP INT PIPE TERM 0
- if type mktemp >/dev/null 2>&1; then
- tmp=`mktemp -t -- "$F.XXXXXX"` || exit 2
- else
- set -C
- tmp=${TMPDIR-/tmp}/$F.$$
- fi
- gzip -cdfq -- "$2" > "$tmp" || exit 2
- gzip_status=$(
- exec 4>&1
- (gzip -cdfq -- "$1" 4>&-; echo $? >&4) 3>&- |
- eval "$cmp" - '"$tmp"' >&3
- )
+ *[-.]gz* | *[-.][zZ] | *.t[ga]z | -)
+ if test "$1$2" = --; then
+ gzip_status=$(
+ exec 4>&1
+ (gzip -cdfq - 4>&-; echo $? >&4) 3>&- |
+ eval "$cmp" - - >&3
+ )
+ elif
+ # Reject Solaris 8's buggy /bin/bash 2.03.
+ echo X |
+ (echo X | eval "$cmp" /dev/fd/5 - >/dev/null 2>&1) \
+ 5<&0
+ then
+ gzip_status=$(
+ exec 4>&1
+ (gzip -cdfq -- "$1" 4>&-; echo $? >&4) 3>&- |
+ ( (gzip -cdfq -- "$2" 4>&-; echo $? >&4) 3>&- 5<&- </dev/null |
+ eval "$cmp" /dev/fd/5 - >&3) 5<&0
+ )
+ cmp_status=$?
+ case $gzip_status in
+ *[1-9]*) gzip_status=1;;
+ *) gzip_status=0;;
+ esac
+ (exit $cmp_status)
+ else
+ tmp=
+ trap '
+ test -n "$tmp" && rm -f "$tmp"
+ (exit 2); exit 2
+ ' HUP INT PIPE TERM 0
+ case $TMPDIR in
+ / | /*/) ;;
+ /*) TMPDIR=$TMPDIR/;;
+ *) TMPDIR=/tmp/;;
+ esac
+ if type mktemp >/dev/null 2>&1; then
+ tmp=`mktemp "${TMPDIR}zdiffXXXXXXXXX"` ||
+ exit 2
+ else
+ set -C
+ tmp=${TMPDIR}zdiff$$
+ fi
+ gzip -cdfq -- "$2" > "$tmp" || exit 2
+ gzip_status=$(
+ exec 4>&1
+ (gzip -cdfq -- "$1" 4>&-; echo $? >&4) 3>&- |
+ eval "$cmp" - '"$tmp"' >&3
+ )
cmp_status=$?
- rm -f "$tmp" || gzip_status=$?
- trap - HUP INT PIPE TERM 0
- (exit $cmp_status)
- fi;;
- *)
- gzip_status=$(
- exec 4>&1
- (gzip -cdfq -- "$1" 4>&-; echo $? >&4) 3>&- |
- eval "$cmp" - '"$2"' >&3
- );;
+ rm -f "$tmp" || gzip_status=$?
+ trap - HUP INT PIPE TERM 0
+ (exit $cmp_status)
+ fi;;
+ *)
+ gzip_status=$(
+ exec 4>&1
+ (gzip -cdfq -- "$1" 4>&-; echo $? >&4) 3>&- |
+ eval "$cmp" - '"$2"' >&3
+ );;
esac;;
*) case "$2" in
- *[-.]gz* | *[-.][zZ] | *.t[ga]z | -)
- gzip_status=$(
- exec 4>&1
- (gzip -cdfq -- "$2" 4>&-; echo $? >&4) 3>&- |
- eval "$cmp" '"$1"' - >&3
- );;
- *) eval "$cmp" '"$1"' '"$2"';;
+ *[-.]gz* | *[-.][zZ] | *.t[ga]z | -)
+ gzip_status=$(
+ exec 4>&1
+ (gzip -cdfq -- "$2" 4>&-; echo $? >&4) 3>&- |
+ eval "$cmp" '"$1"' - >&3
+ );;
+ *) eval "$cmp" '"$1"' '"$2"';;
esac;;
- esac
+ esac
else
- echo >&2 "$0: invalid number of operands; try \`$0 --help' for help"
- exit 2
+ printf >&2 '%s\n' \
+ "$0: invalid number of operands; try \`$0 --help' for help"
+ exit 2
fi
cmp_status=$?
projects / debian / gzip / blobdiff