Diff reduction against NetBSD. The most notable change is to zdiff(1) to
handle more file formats including bzip2 and xz. MFC after: 2 weeks
This commit is contained in:
Xin LI
parent
104c8fc527
commit
be07528c53
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=222210
@ -1,4 +1,4 @@
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# $NetBSD: Makefile,v 1.10 2006/05/12 02:01:15 mrg Exp $
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# $NetBSD: Makefile,v 1.13 2009/04/14 22:15:20 lukem Exp $
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# $FreeBSD$
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.include <bsd.own.mk>
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@ -1,4 +1,4 @@
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/* $NetBSD: gzip.c,v 1.97 2009/10/11 09:17:21 mrg Exp $ */
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/* $NetBSD: gzip.c,v 1.99 2011/03/23 12:59:44 tsutsui Exp $ */
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/*-
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* Copyright (c) 1997, 1998, 2003, 2004, 2006 Matthew R. Green
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@ -31,7 +31,7 @@
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1997, 1998, 2003, 2004, 2006\
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Matthew R. Green. All rights reserved.");
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__RCSID("$FreeBSD$");
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__FBSDID("$FreeBSD$");
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#endif /* not lint */
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/*
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@ -146,7 +146,7 @@ static suffixes_t suffixes[] = {
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#define NUM_SUFFIXES (sizeof suffixes / sizeof suffixes[0])
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#define SUFFIX_MAXLEN 30
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static const char gzip_version[] = "FreeBSD gzip 20100407";
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static const char gzip_version[] = "FreeBSD gzip 20110523";
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#ifndef SMALL
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static const char gzip_copyright[] = \
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@ -314,7 +314,7 @@ main(int argc, char **argv)
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dflag = cflag = 1;
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#ifdef SMALL
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#define OPT_LIST "123456789cdhltV"
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#define OPT_LIST "123456789cdhlV"
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#else
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#define OPT_LIST "123456789acdfhklLNnqrS:tVv"
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#endif
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@ -918,6 +918,7 @@ gz_uncompress(int in, int out, char *pre, size_t prelen, off_t *gsizep,
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case Z_BUF_ERROR:
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if (z.avail_out > 0 && !done_reading)
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continue;
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case Z_STREAM_END:
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case Z_OK:
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break;
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@ -1,10 +1,12 @@
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#!/bin/sh -
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#
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# $NetBSD: zdiff,v 1.3 2004/03/29 10:01:00 wiz Exp $
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# $NetBSD: zdiff,v 1.5 2010/04/14 20:30:28 joerg Exp $
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#
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# $OpenBSD: zdiff,v 1.2 2003/07/29 07:42:44 otto Exp $
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#
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#-
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# Copyright (c) 2003 Todd C. Miller <Todd.Miller@courtesan.com>
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# Copyright (c) 2010 Joerg Sonnenberger <joerg@NetBSD.org>
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#
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# Permission to use, copy, modify, and distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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@ -31,7 +33,57 @@ case $0 in
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*) prog=diff
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;;
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esac
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USAGE="usage: z$prog [options] file1 [file2]"
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USAGE="usage: $0 [options] file1 [file2]"
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check_suffix() {
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case "$1" in
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*[._-][Zz])
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setvar $2 "${1%??}"
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setvar $3 "gzip -cdqf"
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;;
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*[._-]bz)
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setvar $2 "${1%???}"
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setvar $3 "bzip2 -cdqf"
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;;
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*[._-]gz)
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setvar $2 "${1%???}"
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setvar $3 "gzip -cdqf"
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;;
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*[._-]xz)
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setvar $2 "${1%???}"
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setvar $3 "xz -cdqf"
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;;
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*[._-]bz2)
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setvar $2 "${1%????}"
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setvar $3 "bzip2 -cdqf"
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;;
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*[._-]lzma)
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setvar $2 "${1%?????}"
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setvar $3 "xz -cdqf"
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;;
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*.t[ag]z)
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setvar $2 "${1%??}"ar
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setvar $3 "gzip -cdqf"
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;;
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*.tbz)
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setvar $2 "${1%??}"ar
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setvar $3 "bzip2 -cdqf"
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;;
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*.tbz2)
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setvar $2 "${1%???}"ar
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setvar $3 "bzip2 -cdqf"
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;;
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*.t[lx]z)
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setvar $2 "${1%??}"ar
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setvar $3 "xz -cdqf"
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;;
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*)
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setvar $2 "$1"
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setvar $3 ""
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;;
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esac
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}
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# Pull out any command line flags so we can pass them to diff/cmp
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# XXX - assumes there is no optarg
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@ -42,6 +94,9 @@ while test $# -ne 0; do
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shift
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break
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;;
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-)
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break
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;;
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-*)
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flags="$flags $1"
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shift
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@ -55,52 +110,28 @@ done
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if [ $# -eq 1 ]; then
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# One file given, compare compressed to uncompressed
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files="$1"
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case "$1" in
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*[._-][Zz])
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files="${1%??}"
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;;
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*[._-]gz)
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files="${1%???}"
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;;
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*.t[ag]z)
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files="${1%??}"ar
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;;
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*) echo "z$prog: unknown suffix" 1>&2
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exit 1
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esac
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gzip -cdfq "$1" | $prog $flags - "$files"
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check_suffix "$1" files filt
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if [ -z "$filt" ]; then
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echo "z$prog: unknown suffix" 1>&2
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exit 1
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fi
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$filt -- "$1" | $prog $flags -- - "$files"
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status=$?
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elif [ $# -eq 2 ]; then
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# Two files given, compare the two uncompressing as needed
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case "$1" in
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*[._-][Zz]|*[._-]gz|*.t[ag]z)
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files=-
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filt="gzip -cdfq $1"
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;;
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*)
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files="$1"
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;;
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esac
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case "$2" in
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*[._-][Zz]|*[._-]gz|*.t[ag]z)
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if [ "$files" = "-" ]; then
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tmp=`mktemp -t z$prog.XXXXXXXXXX` || exit 1
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trap "rm -f $tmp" 0 1 2 3 13 15
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gzip -cdfq "$2" > $tmp
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files="$files $tmp"
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else
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files="$files -"
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filt="gzip -cdfq $2"
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fi
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;;
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*)
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files="$files $2"
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;;
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esac
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if [ -n "$filt" ]; then
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$filt | $prog $flags $files
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check_suffix "$1" files filt
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check_suffix "$2" files2 filt2
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if [ -z "$filt" -a -z "$filt2" ]; then
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$prog $flags -- "$1" "$2"
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elif [ -z "$filt" -a -n "$filt2" -a "$1" != "-" ]; then
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$filt2 -- "$2" | $prog $flags -- "$1" -
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elif [ -n "$filt" -a -z "$filt2" -a "$2" != "-" ]; then
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$filt -- "$1" | $prog $flags -- - "$2"
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else
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$prog $flags $files
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tmp=`mktemp -t z$prog.XXXXXXXXXX` || exit 1
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trap "rm -f $tmp" 0 1 2 3 13 15
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${filt2:-cat} -- "$2" > $tmp || exit $?
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${filt:-cat} -- "$1" | $prog $flags -- - "$tmp"
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fi
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status=$?
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else
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@ -1,7 +1,8 @@
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.\" $NetBSD: zdiff.1,v 1.3 2003/12/28 12:48:03 wiz Exp $
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.\" $NetBSD: zdiff.1,v 1.5 2010/04/14 19:52:05 wiz Exp $
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.\" $OpenBSD: zdiff.1,v 1.2 2003/07/13 17:39:14 millert Exp $
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.\"
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.\" Copyright (c) 2003 Todd C. Miller <Todd.Miller@courtesan.com>
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.\" Copyright (c) 2010 Joerg Sonnenberger <joerg@NetBSD.org>
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.\"
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.\" Permission to use, copy, modify, and distribute this software for any
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.\" purpose with or without fee is hereby granted, provided that the above
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@ -20,7 +21,7 @@
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.\" Materiel Command, USAF, under agreement number F39502-99-1-0512.
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.\"
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.\" $FreeBSD$
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.Dd January 26, 2007
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.Dd May 23, 2011
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.Dt ZDIFF 1
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.Os
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.Sh NAME
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@ -45,15 +46,6 @@ are filters that invoke
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or
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.Xr diff 1
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respectively to compare compressed files.
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Such files generally have a
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.Dq Z
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or
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.Dq gz
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extension (both the
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.Xr compress 1
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and
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.Xr gzip 1
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formats are supported).
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Any
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.Ar options
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that are specified are passed to
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@ -70,6 +62,45 @@ When both
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or
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.Ar file2
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are specified, either file may be compressed.
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.Pp
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Extensions handled by
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.Xr gzip 1 :
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.Bl -bullet -compact
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.It
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z, Z,
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.It
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gz,
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.It
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taz,
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.It
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tgz.
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.El
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.Pp
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Extensions handled by
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.Xr bzip2 1 :
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.Bl -bullet -compact
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.It
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bz,
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.It
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bz2,
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.It
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tbz,
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.It
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tbz2.
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.El
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.Pp
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Extensions handled by
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.Xr xz 1 :
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.Bl -bullet -compact
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.It
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lzma,
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.It
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xz,
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.It
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tlz,
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.It
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txz.
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.El
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.Sh ENVIRONMENT
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.Bl -tag -width "TMPDIR"
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.It Ev TMPDIR
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@ -88,9 +119,11 @@ Temporary file for
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.Nm zdiff .
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.El
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.Sh SEE ALSO
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.Xr bzip2 1 ,
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.Xr cmp 1 ,
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.Xr compress 1 ,
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.Xr diff 1
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.Xr diff 1 ,
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.Xr gzip 1 ,
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.Xr xz 1
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.Sh CAVEATS
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.Nm zcmp
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and
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@ -1,4 +1,4 @@
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/* $NetBSD: zuncompress.c,v 1.7 2009/04/12 10:31:14 lukem Exp $ */
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/* $NetBSD: zuncompress.c,v 1.8 2010/11/06 21:42:32 mrg Exp $ */
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/*-
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* Copyright (c) 1985, 1986, 1992, 1993
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