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backport fix patches from upstream and fix build failure in OBS

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(cherry picked from commit 43725f660564fa21667a106f5aae9e35738a0e34)
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weiwei_tiantian 2022-04-01 11:38:36 +08:00 committed by openeuler-sync-bot
parent 4b6c90c647
commit 65feba82ae
6 changed files with 753 additions and 13 deletions
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73
doc-document-gzip-l-change.patch Normal file
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@ -0,0 +1,73 @@
From 5ec23f714e98407a6de25f6f40f125cc87b12908 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 15 Dec 2021 15:04:27 -0800
Subject: [PATCH] doc: document gzip -l change
* NEWS, doc/gzip.texi (Invoking gzip), gzip.1 (gunzip):
Document recent change.
---
doc/gzip.texi | 18 ------------------
gzip.1 | 11 -----------
2 files changed, 29 deletions(-)
diff --git a/doc/gzip.texi b/doc/gzip.texi
index abceb58..48b3485 100644
--- a/doc/gzip.texi
+++ b/doc/gzip.texi
@@ -300,14 +300,6 @@ ratio: compression ratio (0.0% if unknown)
uncompressed_name: name of the uncompressed file
@end example
-The uncompressed size is given as @minus{}1 for files not in @command{gzip}
-format, such as compressed @samp{.Z} files. To get the uncompressed size for
-such a file, you can use:
-
-@example
-zcat file.Z | wc -c
-@end example
-
In combination with the @option{--verbose} option, the following fields are also
displayed:
@@ -323,16 +315,6 @@ With @option{--verbose}, the size totals and compression ratio for all files
is also displayed, unless some sizes are unknown. With @option{--quiet},
the title and totals lines are not displayed.
-The @command{gzip} format represents the input size modulo
-@math{2^32}, so the uncompressed size and compression ratio are listed
-incorrectly for uncompressed files 4 GiB and larger. To work around
-this problem, you can use the following command to discover a large
-uncompressed file's true size:
-
-@example
-zcat file.gz | wc -c
-@end example
-
@item --license
@itemx -L
Display the @command{gzip} license then quit.
diff --git a/gzip.1 b/gzip.1
index 0ae9765..65dea22 100644
--- a/gzip.1
+++ b/gzip.1
@@ -492,17 +492,6 @@ detects that there is extra trailing garbage after the compressed data
and emits a warning by default. You can use the --quiet option to
suppress the warning.
.SH BUGS
-The gzip format represents the input size modulo 2^32, so the
---list option reports incorrect uncompressed sizes and compression
-ratios for uncompressed files 4 GB and larger. To work around this
-problem, you can use the following command to discover a large
-uncompressed file's true size:
-
- zcat file.gz | wc -c
-
-The --list option reports sizes as -1 and crc as ffffffff if the
-compressed file is on a non seekable media.
-
In some rare cases, the --best option gives worse compression than
the default compression level (-6). On some highly redundant files,
.B compress
--
2.27.0

16
fix-verbose-disable.patch
View File

@ -1,4 +1,4 @@
From c220e0ceae7f8192ab94b4c9eb89e5384277e175 Mon Sep 17 00:00:00 2001
From a210df14142c6e20669a8739c2d16ed3fbdfef2a Mon Sep 17 00:00:00 2001
From: pengyeqing <pengyeqing@huawei.com>
Date: Sat, 26 Jan 2019 03:24:48 +0800
Subject: [PATCH] gzip: fix verbose disable
@ -11,18 +11,18 @@ Signed-off-by: pengyeqing <pengyeqing@huawei.com>
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/zdiff.in b/zdiff.in
index a1325f2..2b7ec23 100644
index 067f508..3633398 100644
--- a/zdiff.in
+++ b/zdiff.in
@@ -51,7 +51,7 @@ escape='
while :; do
case $1 in
@@ -57,7 +57,7 @@ for arg
do
case $filesonly$needop$arg in
--h*) printf '%s\n' "$usage" || exit 2; exit;;
- --v*) printf '%s\n' "$version" || exit 2; exit;;
+ --version) printf '%s\n' "$version" || exit 2; exit;;
--) shift; break;;
-*\'*) cmp="$cmp '"`printf '%sX\n' "$1" | sed "$escape"`;;
-?*) cmp="$cmp '$1'";;
--) filesonly=t;;
-*\'*) cmp="$cmp '"`printf '%sX\n' "$arg" | sed "$escape"`;;
-[CDFISUWXx]) needop="'$arg'";;
--
2.27.0

415
gzip-l-now-outputs-accurate-size.patch Normal file
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@ -0,0 +1,415 @@
From cf26200380585019e927fe3cf5c0ecb7c8b3ef14 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 1 Dec 2021 15:38:02 -0800
Subject: [PATCH] gzip: gzip -l now outputs accurate size
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
gzip -l now decompresses to see how long the uncompressed file was.
This fixes what is by far the most common bug report for gzip.
It has a significant performance cost, but it’s worth it nowadays.
* gzip.c (main): -l now sets 'test' too. All uses of
'test' changed.
(treat_stdin, treat_file): Call do_list after decompressing,
so that the length is known.
(do_list): Omit arg IFD, since it is no longer needed.
All callers changed. Get the CRC and uncompressed size
from input_crc and bytes_out instead of using lseek.
* tests/list-big: New test.
* unzip.c (unzip): Set unzip_crc before returning.
* util.c (write_buf): If 'test', output nothing.
Update bytes_out with output byte count, regardless of 'test'.
All callers changed.
---
gzip.c | 66 ++++++++++++++++++-----------------------------
gzip.h | 1 +
tests/Makefile.am | 1 +
tests/list-big | 31 ++++++++++++++++++++++
unlzh.c | 5 ++--
unlzw.c | 17 ++++--------
unzip.c | 3 +++
util.c | 18 ++++++-------
8 files changed, 76 insertions(+), 66 deletions(-)
create mode 100755 tests/list-big
diff --git a/gzip.c b/gzip.c
index 735ee0a..ecb19da 100644
--- a/gzip.c
+++ b/gzip.c
@@ -319,7 +319,7 @@ local void discard_input_bytes (size_t nbytes, unsigned int flags);
local int make_ofname (void);
local void shorten_name (char *name);
local int get_method (int in);
-local void do_list (int ifd, int method);
+local void do_list (int method);
local int check_ofname (void);
local void copy_stat (struct stat *ifstat);
local void install_signal_handlers (void);
@@ -535,7 +535,7 @@ int main (int argc, char **argv)
case 'k':
keep = 1; break;
case 'l':
- list = decompress = to_stdout = 1; break;
+ list = decompress = test = to_stdout = 1; break;
case 'L':
license (); finish_out (); break;
case 'm': /* undocumented, may change later */
@@ -655,7 +655,7 @@ int main (int argc, char **argv)
/* And get to work */
if (file_count != 0) {
- if (to_stdout && !test && !list && (!decompress || !ascii)) {
+ if (to_stdout && !test && (!decompress || !ascii)) {
SET_BINARY_MODE (STDOUT_FILENO);
}
while (optind < argc) {
@@ -673,7 +673,7 @@ int main (int argc, char **argv)
{
/* Output any totals, and check for output errors. */
if (!quiet && 1 < file_count)
- do_list (-1, -1);
+ do_list (-1);
if (fflush (stdout) != 0)
write_error ();
}
@@ -759,7 +759,7 @@ local void treat_stdin()
if (decompress || !ascii) {
SET_BINARY_MODE (STDIN_FILENO);
}
- if (!test && !list && (!decompress || !ascii)) {
+ if (!test && (!decompress || !ascii)) {
SET_BINARY_MODE (STDOUT_FILENO);
}
strcpy(ifname, "stdin");
@@ -786,10 +786,6 @@ local void treat_stdin()
do_exit(exit_code); /* error message already emitted */
}
}
- if (list) {
- do_list(ifd, method);
- return;
- }
/* Actually do the compression/decompression. Loop over zipped members.
*/
@@ -805,6 +801,12 @@ local void treat_stdin()
bytes_out = 0; /* required for length check */
}
+ if (list)
+ {
+ do_list (method);
+ return;
+ }
+
if (verbose) {
if (test) {
fprintf(stderr, " OK\n");
@@ -949,7 +951,7 @@ local void treat_file(iname)
/* Generate output file name. For -r and (-t or -l), skip files
* without a valid gzip suffix (check done in make_ofname).
*/
- if (to_stdout && !list && !test) {
+ if (to_stdout && !test) {
strcpy(ofname, "stdout");
} else if (make_ofname() != OK) {
@@ -967,12 +969,6 @@ local void treat_file(iname)
return; /* error message already emitted */
}
}
- if (list) {
- do_list(ifd, method);
- if (close (ifd) != 0)
- read_error ();
- return;
- }
/* If compressing to a file, check if ofname is not ambiguous
* because the operating system truncates names. Otherwise, generate
@@ -992,7 +988,7 @@ local void treat_file(iname)
/* Keep the name even if not truncated except with --no-name: */
if (!save_orig_name) save_orig_name = !no_name;
- if (verbose) {
+ if (verbose && !list) {
fprintf(stderr, "%s:\t", ifname);
}
@@ -1015,6 +1011,12 @@ local void treat_file(iname)
if (close (ifd) != 0)
read_error ();
+ if (list)
+ {
+ do_list (method);
+ return;
+ }
+
if (!to_stdout)
{
copy_stat (&istat);
@@ -1066,7 +1068,7 @@ local void treat_file(iname)
} else {
display_ratio(bytes_in-(bytes_out-header_bytes), bytes_in, stderr);
}
- if (!test && !to_stdout)
+ if (!test)
fprintf(stderr, " -- %s %s", keep ? "created" : "replaced with",
ofname);
fprintf(stderr, "\n");
@@ -1395,7 +1397,8 @@ local int make_ofname()
/* With -t or -l, try all files (even without .gz suffix)
* except with -r (behave as with just -dr).
*/
- if (!recursive && (list || test)) return OK;
+ if (!recursive && test)
+ return OK;
/* Avoid annoying messages with -r */
if (verbose || (!recursive && !quiet)) {
@@ -1688,7 +1691,6 @@ local int get_method(in)
last_member = 1;
if (imagic0 != EOF) {
write_buf (STDOUT_FILENO, magic, 1);
- bytes_out++;
}
}
if (method >= 0) return method;
@@ -1724,9 +1726,8 @@ local int get_method(in)
* If the given method is < 0, display the accumulated totals.
* IN assertions: time_stamp, header_bytes and ifile_size are initialized.
*/
-local void do_list(ifd, method)
- int ifd; /* input file descriptor */
- int method; /* compression method */
+static void
+do_list (int method)
{
ulg crc; /* original crc */
static int first_time = 1;
@@ -1768,26 +1769,9 @@ local void do_list(ifd, method)
return;
}
crc = (ulg)~0; /* unknown */
- bytes_out = -1L;
- bytes_in = ifile_size;
if (method == DEFLATED && !last_member) {
- /* Get the crc and uncompressed size for gzip'ed (not zip'ed) files.
- * If the lseek fails, we could use read() to get to the end, but
- * --list is used to get quick results.
- * Use "gunzip < foo.gz | wc -c" to get the uncompressed size if
- * you are not concerned about speed.
- */
- bytes_in = lseek(ifd, (off_t)(-8), SEEK_END);
- if (bytes_in != -1L) {
- uch buf[8];
- bytes_in += 8L;
- if (read(ifd, (char*)buf, sizeof(buf)) != sizeof(buf)) {
- read_error();
- }
- crc = LG(buf);
- bytes_out = LG(buf+4);
- }
+ crc = unzip_crc;
}
if (verbose)
diff --git a/gzip.h b/gzip.h
index db0305f..ebe3213 100644
--- a/gzip.h
+++ b/gzip.h
@@ -262,6 +262,7 @@ extern int zip (int in, int out);
extern int file_read (char *buf, unsigned size);
/* in unzip.c */
+extern ulg unzip_crc;
extern int unzip (int in, int out);
extern int check_zipfile (int in);
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 256bbf7..18e7c8a 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -21,6 +21,7 @@ TESTS = \
hufts \
keep \
list \
+ list-big \
memcpy-abuse \
mixed \
null-suffix-clobber \
diff --git a/tests/list-big b/tests/list-big
new file mode 100755
index 0000000..afa3310
--- /dev/null
+++ b/tests/list-big
@@ -0,0 +1,31 @@
+#!/bin/sh
+# Exercise the --list option with a big file.
+
+# Copyright 2021 Free Software Foundation, Inc.
+
+# 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 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+# limit so don't run it by default.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ..
+
+truncate --size 4G big || framework_failure_
+
+gzip -1 big || fail=1
+gzip -l big.gz >out || fail=1
+case $(cat out) in
+ *' 4294967296 '*' big') ;;
+ *) cat out; fail=1;;
+esac
+
+Exit $fail
diff --git a/unlzh.c b/unlzh.c
index 37084fe..f018922 100644
--- a/unlzh.c
+++ b/unlzh.c
@@ -390,9 +390,8 @@ int unlzh(in, out)
decode_start();
while (!done) {
n = decode((unsigned) DICSIZ, window);
- if (!test && n > 0) {
- write_buf(out, (char*)window, n);
- }
+ if (n > 0)
+ write_buf (out, window, n);
}
return OK;
}
diff --git a/unlzw.c b/unlzw.c
index d7714b5..ba824e4 100644
--- a/unlzw.c
+++ b/unlzw.c
@@ -225,10 +225,8 @@ int unlzw(in, out)
"posbits:%ld inbuf:%02X %02X %02X %02X %02X\n",
posbits, p[-1],p[0],p[1],p[2],p[3]);
#endif
- if (!test && outpos > 0) {
- write_buf(out, (char*)outbuf, outpos);
- bytes_out += (off_t)outpos;
- }
+ if (outpos > 0)
+ write_buf (out, outbuf, outpos);
gzip_error (to_stdout
? "corrupt input."
: "corrupt input. Use zcat to recover some data.");
@@ -257,10 +255,7 @@ int unlzw(in, out)
outpos += i;
}
if (outpos >= OUTBUFSIZ) {
- if (!test) {
- write_buf(out, (char*)outbuf, outpos);
- bytes_out += (off_t)outpos;
- }
+ write_buf (out, outbuf, outpos);
outpos = 0;
}
stackp+= i;
@@ -281,9 +276,7 @@ int unlzw(in, out)
}
} while (rsize != 0);
- if (!test && outpos > 0) {
- write_buf(out, (char*)outbuf, outpos);
- bytes_out += (off_t)outpos;
- }
+ if (outpos > 0)
+ write_buf (out, outbuf, outpos);
return OK;
}
diff --git a/unzip.c b/unzip.c
index dacfbaf..b52811e 100644
--- a/unzip.c
+++ b/unzip.c
@@ -51,6 +51,8 @@
/* Globals */
+ulg unzip_crc; /* CRC found by 'unzip'. */
+
static int decrypt; /* flag to turn on decryption */
static int pkzip = 0; /* set for a pkzip file */
static int ext_header = 0; /* set if extended local header */
@@ -210,6 +212,7 @@ int unzip(in, out)
}
}
ext_header = pkzip = 0; /* for next file */
+ unzip_crc = orig_crc;
if (err == OK) return OK;
exit_code = ERROR;
if (!test) abort_gzip();
diff --git a/util.c b/util.c
index 4e73036..cd43886 100644
--- a/util.c
+++ b/util.c
@@ -112,7 +112,6 @@ int copy(in, out)
errno = 0;
while (insize > inptr) {
write_buf(out, (char*)inbuf + inptr, insize - inptr);
- bytes_out += insize - inptr;
got = read_buffer (in, (char *) inbuf, INBUFSIZ);
if (got == -1)
read_error();
@@ -255,9 +254,7 @@ void flush_outbuf()
{
if (outcnt == 0) return;
- if (!test)
- write_buf (ofd, outbuf, outcnt);
- bytes_out += (off_t)outcnt;
+ write_buf (ofd, outbuf, outcnt);
outcnt = 0;
}
@@ -270,16 +267,13 @@ void flush_window()
if (outcnt == 0) return;
updcrc(window, outcnt);
- if (!test) {
- write_buf(ofd, (char *)window, outcnt);
- }
- bytes_out += (off_t)outcnt;
+ write_buf (ofd, window, outcnt);
outcnt = 0;
}
/* ===========================================================================
- * Does the same as write(), but also handles partial pipe writes and checks
- * for error return.
+ * Update the count of output bytes. If testing, do not do any
+ * output. Otherwise, write the buffer, checking for errors.
*/
void write_buf(fd, buf, cnt)
int fd;
@@ -288,6 +282,10 @@ void write_buf(fd, buf, cnt)
{
unsigned n;
+ bytes_out += cnt;
+ if (test)
+ return;
+
while ((n = write_buffer (fd, buf, cnt)) != cnt) {
if (n == (unsigned)(-1)) {
write_error();
--
2.27.0

19
gzip.spec
View File

@ -1,16 +1,21 @@
Name: gzip
Version: 1.11
Release: 1
Release: 2
Summary: A data compression utility
License: GPLv3+ and GFDL
License: GPLv3
URL: https://www.gnu.org/software/gzip
Source0: https://ftp.gnu.org/gnu/gzip/gzip-%{version}.tar.xz
Patch9000: fix-verbose-disable.patch
Patch9100: performance-neoncrc32-and-prfm.patch
Patch6000: gzip-l-now-outputs-accurate-size.patch
Patch6001: doc-document-gzip-l-change.patch
Patch6002: zdiff-fix-arg-handling-bug.patch
Patch6003: zdiff-fix-another-arg-handling-bug.patch
BuildRequires: gcc texinfo less
Patch9000: fix-verbose-disable.patch
Patch9001: performance-neoncrc32-and-prfm.patch
BuildRequires: gcc texinfo less autoconf automake
Requires: coreutils
Conflicts: filesystem < 3
Provides: /bin/gunzip
@ -32,6 +37,7 @@ has the suffix .gz.
%ifarch aarch64
export CFLAGS="${CFLAGS:-%optflags} -march=armv8-a+crc"
%endif
autoreconf
%configure
%make_build
@ -57,6 +63,9 @@ make check
%{_mandir}/man1/*
%changelog
* Fri Apr 01 2022 tianwei<tianwei12@h-partners.com> - 1.11-2
- backport bugfix patches from upstream and fix build failure in OBS
* Tue Dec 28 2021 shangyibin<shangyibin1@huawei.com> - 1.11-1
- upgrade to version 1.11

200
zdiff-fix-another-arg-handling-bug.patch Normal file
View File

@ -0,0 +1,200 @@
From 78b29bdde523b72748049f3cf05698b9dabf52ae Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 8 Mar 2022 13:02:37 -0800
Subject: [PATCH 2/2] zdiff: fix another arg-handling bug
Also allow args after file names.
Problem reported by Lv Ying <https://bugs.gnu.org/54290#12>.
---
zdiff.in | 127 ++++++++++++++++++++++++++++++++-----------------------
1 file changed, 75 insertions(+), 52 deletions(-)
diff --git a/zdiff.in b/zdiff.in
index d982d9f..593cb6e 100644
--- a/zdiff.in
+++ b/zdiff.in
@@ -48,60 +48,85 @@ escape='
$s/X$/'\''/
'
-while :; do
- argdone=:
- case $1 in
+filesonly=
+file1=
+file2=
+needop=
+
+for arg
+do
+ case $filesonly$needop$arg in
--h*) printf '%s\n' "$usage" || exit 2; exit;;
--v*) printf '%s\n' "$version" || exit 2; exit;;
- --) shift; break;;
- -*\'*) argdone=false arg=$1;;
- -[CDFISUWXx])
- cmp="$cmp $1"
- case ${2?} in
- -*\'*) argdone=false arg=$2;;
- *) cmp="$cmp '$2'";;
- esac
- shift;;
- -?*) cmp="$cmp '$1'";;
- *) break;;
+ --) filesonly=t;;
+ -*\'*) cmp="$cmp '"`printf '%sX\n' "$arg" | sed "$escape"`;;
+ -[CDFISUWXx]) needop="'$arg'";;
+ -?*) cmp="$cmp '$arg'";;
+ *) case $needop in
+ '') case $arg in
+ '') printf >&2 '%s\n' "$0: empty file name"; exit 2;;
+ esac
+ case $file1 in
+ '') file1=$arg;;
+ *) case $file2 in
+ '') file2=$arg;;
+ *) printf >&2 '%s\n' "$0: extra operand '$arg'"; exit 2;;
+ esac;;
+ esac;;
+ *) cmp="$cmp $needop '$arg'"
+ needop=;;
+ esac;;
esac
- $argdone || cmp="$cmp '"`printf '%sX\n' "$arg" | sed "$escape"`
- shift
done
+case $needop in
+'') ;;
+*) printf >&2 '%s\n' "$0: $prevarg: option requires an argument -- $needop"
+ exit 2;;
+esac
+
cmp="$cmp --"
-for file
-do
- test "X$file" = X- || <"$file" || exit 2
-done
+case $file1 in
+'') printf >&2 '%s\n' "$0: missing operand"; exit 2;;
+-) ;;
+*) <"$file1" || exit 2;;
+esac
+case $file2 in
+''|-) ;;
+*) <"$file2" || exit 2;;
+esac
gzip_status=0
exec 3>&1
-if test $# -eq 1; then
- case $1 in
+case $file2 in
+'')
+ case $file1 in
*[-.]gz* | *[-.][zZ] | *.t[ga]z)
- FILE=`expr "X$1" : 'X\(.*\)[-.][zZtga]*$'`
+ FILE=`expr "X$file1" : 'X\(.*\)[-.][zZtga]*$'`
gzip_status=$(
exec 4>&1
- (gzip -cd -- "$1" 4>&-; echo $? >&4) 3>&- | eval "$cmp" - '"$FILE"' >&3
+ (gzip -cd -- "$file1" 4>&-; echo $? >&4) 3>&- |
+ eval "$cmp" - '"$FILE"' >&3
);;
*)
- printf >&2 '%s\n' "$0: $1: unknown compressed file extension"
+ printf >&2 '%s\n' "$0: $file1: unknown compressed file extension"
exit 2;;
- esac
-elif test $# -eq 2; then
- case "$1" in
+ esac;;
+*)
+ case $file1,$file2 in
+ -,-)
+ gzip_status=$(
+ exec 4>&1
+ (gzip -cdfq - 4>&-; echo $? >&4) 3>&- |
+ eval "$cmp" - - >&3
+ );;
+ *)
+ case $file1 in
*[-.]gz* | *[-.][zZ] | *.t[ga]z | -)
- case "$2" in
+ case $file2 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
+ if
# Reject Solaris 8's buggy /bin/bash 2.03.
echo X |
(echo X | eval "$cmp" /dev/fd/5 - >/dev/null 2>&1) \
@@ -109,8 +134,9 @@ elif test $# -eq 2; then
then
gzip_status=$(
exec 4>&1
- (gzip -cdfq -- "$1" 4>&-; echo $? >&4) 3>&- |
- ( (gzip -cdfq -- "$2" 4>&-; echo $? >&4) 3>&- 5<&- </dev/null |
+ (gzip -cdfq -- "$file1" 4>&-; echo $? >&4) 3>&- |
+ ((gzip -cdfq -- "$file2" 4>&-
+ echo $? >&4) 3>&- 5<&- </dev/null |
eval "$cmp" /dev/fd/5 - >&3) 5<&0
)
cmp_status=$?
@@ -137,10 +163,10 @@ elif test $# -eq 2; then
set -C
tmp=${TMPDIR}zdiff$$
fi
- gzip -cdfq -- "$2" > "$tmp" || exit 2
+ gzip -cdfq -- "$file2" > "$tmp" || exit 2
gzip_status=$(
exec 4>&1
- (gzip -cdfq -- "$1" 4>&-; echo $? >&4) 3>&- |
+ (gzip -cdfq -- "$file1" 4>&-; echo $? >&4) 3>&- |
eval "$cmp" - '"$tmp"' >&3
)
cmp_status=$?
@@ -151,25 +177,22 @@ elif test $# -eq 2; then
*)
gzip_status=$(
exec 4>&1
- (gzip -cdfq -- "$1" 4>&-; echo $? >&4) 3>&- |
- eval "$cmp" - '"$2"' >&3
+ (gzip -cdfq -- "$file1" 4>&-; echo $? >&4) 3>&- |
+ eval "$cmp" - '"$file2"' >&3
);;
esac;;
- *) case "$2" in
+ *) case $file2 in
*[-.]gz* | *[-.][zZ] | *.t[ga]z | -)
gzip_status=$(
exec 4>&1
- (gzip -cdfq -- "$2" 4>&-; echo $? >&4) 3>&- |
- eval "$cmp" '"$1"' - >&3
+ (gzip -cdfq -- "$file2" 4>&-; echo $? >&4) 3>&- |
+ eval "$cmp" '"$file1"' - >&3
);;
- *) eval "$cmp" '"$1"' '"$2"';;
+ *) eval "$cmp" '"$file1"' '"$file2"';;
esac;;
- esac
-else
- printf >&2 '%s\n' \
- "$0: invalid number of operands; try \`$0 --help' for help"
- exit 2
-fi
+ esac;;
+ esac;;
+esac
cmp_status=$?
test "$gzip_status" -eq 0 || exit 2
--
2.27.0

43
zdiff-fix-arg-handling-bug.patch Normal file
View File

@ -0,0 +1,43 @@
From 9cd9a789c186bfe6594c0aed8ba34c9e3d9d9292 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 7 Mar 2022 09:38:08 -0800
Subject: [PATCH] zdiff: fix arg handling bug
Problem reported by Lv Ying (Bug#54291).
* zdiff.in (escape): Handle args like '-C 5'.
---
zdiff.in | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/zdiff.in b/zdiff.in
index a1325f2..a72d08d 100644
--- a/zdiff.in
+++ b/zdiff.in
@@ -49,14 +49,23 @@ escape='
'
while :; do
+ argdone=:
case $1 in
--h*) printf '%s\n' "$usage" || exit 2; exit;;
--v*) printf '%s\n' "$version" || exit 2; exit;;
--) shift; break;;
- -*\'*) cmp="$cmp '"`printf '%sX\n' "$1" | sed "$escape"`;;
+ -*\'*) argdone=false arg=$1;;
+ -[CDFISUWXx])
+ cmp="$cmp $1"
+ case ${2?} in
+ -*\'*) argdone=false arg=$2;;
+ *) cmp="$cmp '$2'";;
+ esac
+ shift;;
-?*) cmp="$cmp '$1'";;
*) break;;
esac
+ $argdone || cmp="$cmp '"`printf '%sX\n' "$arg" | sed "$escape"`
shift
done
cmp="$cmp --"
--
2.27.0