debian/gzip
6 years agobuild: update gnulib submodule to latest
Paul Eggert [Tue, 19 Sep 2017 16:40:23 +0000 (09:40 -0700)]
build: update gnulib submodule to latest

7 years agomaint: also distribute a zip-compressed tarball
Jim Meyering [Mon, 13 Mar 2017 05:42:06 +0000 (22:42 -0700)]
maint: also distribute a zip-compressed tarball

* configure.ac (AM_INIT_AUTOMAKE): Add dist-zip, for
those lacking gzip, 7zip, etc.  Suggested by Karl Berry in
https://bugs.gnu.org/25538.

7 years agogzip: port zdiff, zless to Busybox
Paul Eggert [Mon, 13 Mar 2017 23:35:55 +0000 (16:35 -0700)]
gzip: port zdiff, zless to Busybox

Problem reported by Denys Zagorui (Bug#26088).
* tests/zdiff: Check that diff uses POSIX-format output.
* zless.in (less_version): Don't exit merely because 'less -V'
fails; instead, assume 'less' is compatible with an old version of
the original 'less'.  Busybox 'less -V' fails, but apparently its
'less' works anyway somehow.

7 years agotests: avoid failure when running with no tty
Jim Meyering [Tue, 7 Feb 2017 00:36:18 +0000 (16:36 -0800)]
tests: avoid failure when running with no tty

* tests/help-version (zcat_setup): Export TERM=dumb, to avoid zless
malfunction.  Reported by Assaf Gordon in https://bugs.gnu.org/25636#8

7 years agognulib: update to latest; and tests/init.sh and bootstrap
Jim Meyering [Mon, 6 Feb 2017 18:03:04 +0000 (10:03 -0800)]
gnulib: update to latest; and tests/init.sh and bootstrap

7 years agomaint: change "time stamp" to "timestamp" globally
Jim Meyering [Mon, 6 Feb 2017 18:13:39 +0000 (10:13 -0800)]
maint: change "time stamp" to "timestamp" globally

This avoids a new syntax-check failure.
* ChangeLog-2007: Perform that change.
* NEWS: Likewise.
* algorithm.doc: Likewise.
* doc/gzip.texi: Likewise.
* gunzip.in: Likewise.
* gzip.1: Likewise.
* gzip.c: Likewise.
* gzip.h: Likewise.
* m4/.gitignore: Likewise.
* sample/ztouch: Likewise.
* tests/timestamp: Likewise.
* unzip.c: Likewise.
* zip.c: Likewise.
* znew.1: Likewise.
* cfg.mk: Update the old news hash accordingly.

7 years agomaint: tweak a distcheck rule
Jim Meyering [Sun, 1 Jan 2017 11:37:15 +0000 (03:37 -0800)]
maint: tweak a distcheck rule

* dist-check.mk (my-distcheck): Don't use --disable-nls.
That option is now unrecognized.

7 years agomaint: update gnulib and copyright dates for 2017
Jim Meyering [Sun, 1 Jan 2017 11:23:03 +0000 (03:23 -0800)]
maint: update gnulib and copyright dates for 2017

* gnulib: Update to latest.
* all files: Run "make update-copyright".

7 years agomaint: use "returns_" rather than explicit comparison with "$?"
Jim Meyering [Sun, 30 Oct 2016 19:16:42 +0000 (12:16 -0700)]
maint: use "returns_" rather than explicit comparison with "$?"

* tests/zdiff: Use "returns_ 1" rather than testing $? = 1.
* tests/hufts: Likewise.
* tests/timestamp: Likewise, but s/1/2/.

7 years agogzip: minor time stamp cleanups
Paul Eggert [Sat, 5 Nov 2016 03:15:42 +0000 (20:15 -0700)]
gzip: minor time stamp cleanups

* NEWS: Document this.
* gzip.c (get_method): Do not warn about MTIME out of range.
This should avoid useless chatter on hosts with 32-bit time_t
after the year 2038 (!).
(do_list): Do not pass junk time stamp to localtime.
(copy_stat): Do not report "time stamp restored" if restoration
fails.

7 years agogzip: --no-time cleanup
Paul Eggert [Sat, 5 Nov 2016 03:15:42 +0000 (20:15 -0700)]
gzip: --no-time cleanup

Problem reported by Jim Meyering (Bug#24826).
* gzip.c (longopts): Remove non-working no-time entry.
(help) [UNDOCUMENTED]: Don't document it.

7 years agogzip --no-name: avoid spurious warning
Paul Eggert [Sat, 5 Nov 2016 03:15:42 +0000 (20:15 -0700)]
gzip --no-name: avoid spurious warning

Problem reported by Jim Meyering (Bug#24826).
* tests/timestamp: Add a test from Jim Meyering to exercise the fix
* zip.c (zip): Treat unknown time stamps as 0.

7 years agomaint: update .gitignore files to ignore more generated files
Jim Meyering [Tue, 25 Oct 2016 00:22:49 +0000 (17:22 -0700)]
maint: update .gitignore files to ignore more generated files

7 years agomaint: avoid unwarranted "make syntax-check" failure
Jim Meyering [Sun, 2 Oct 2016 19:51:57 +0000 (12:51 -0700)]
maint: avoid unwarranted "make syntax-check" failure

* tests/timestamp: Reorder "rm" arguments so the doubled-word
syntax-check rule does not detect a false positive "in in" here.

7 years agognulib: update to latest
Jim Meyering [Sun, 2 Oct 2016 19:49:03 +0000 (12:49 -0700)]
gnulib: update to latest

7 years ago* doc/gzip.texi: Fix off-by-one timestamp.
Paul Eggert [Wed, 7 Sep 2016 21:56:05 +0000 (14:56 -0700)]
* doc/gzip.texi: Fix off-by-one timestamp.

7 years agogzip: fix some Y2038 etc. bugs
Paul Eggert [Tue, 6 Sep 2016 21:51:47 +0000 (14:51 -0700)]
gzip: fix some Y2038 etc. bugs

* NEWS: Document this.
* gzip.c (get_method): Warn about out-of-range MTIME,
and ignore it instead of relying on possibly-undefined behavior.
* tests/Makefile.am (TESTS): Add timestamp.
* tests/timestamp: New test.
* zip.c (zip): Warn about out-of-range file time stamp.

7 years agomaint: fix gzip-specific syntax-check rule
Jim Meyering [Tue, 30 Aug 2016 03:28:48 +0000 (20:28 -0700)]
maint: fix gzip-specific syntax-check rule

* cfg.mk (sc_gzip_copyright_check): This rule had two problems.
It was failing erroneously (the copyright date in gzip.c is fine),
yet it was complaining.  The first problem is that the rule's
diagnostic mentioned the wrong file: lib/version-etc.c, rather than
./gzip.c. The second problem is that it specified this file name
via "in_files" rather than the "in_vc_files" variable.

7 years agogzip: fix port to Atari by not defining ASMV
Paul Eggert [Mon, 13 Jun 2016 06:49:51 +0000 (23:49 -0700)]
gzip: fix port to Atari by not defining ASMV

Problem reported by Helmut Karlowski in: http://bugs.gnu.org/23751
* tailor.h (ASMV) [ATARI || atarist]: Do not define.

7 years agogzip: drop mentions of Amiga, VMS
Paul Eggert [Wed, 11 May 2016 23:23:51 +0000 (16:23 -0700)]
gzip: drop mentions of Amiga, VMS

These platforms were not supported anyway, and their code was
suffering from bitrot.  This patch may also fix some file name
glitches on MS-Windowsish platforms.
* bootstrap.conf (gnulib_modules): Add dosname.
* gzip.c: Include dosname.h.
(shorten_name, treat_dir): Use last_component rather than looking
at path separators by hand.
* tailor.h: Remove sections on porting to VMS and to Amiga,
since dosname.h doesn't support these platforms anyway.
(PATH_SEP2, PATH_SEP3, STDC_HEADERS, SUFFIX_SEP, RECORD_IO)
(HAVE_CHOWN, HAVE_LSTAT, HAVE_SYS_DIR_H, direct): Remove.  All
uses removed.  Many uses replaced by calls to ISSLASH and/or
last_component.

8 years agomaint: arrange for better URLs in generated announcement message
Jim Meyering [Fri, 29 Apr 2016 13:39:26 +0000 (14:39 +0100)]
maint: arrange for better URLs in generated announcement message

* cfg.mk (url_dir_list): Define.  I had been correcting the generated
URLs by hand, just before the announcement.  This is better.

8 years agomaint: post-release administrivia
Jim Meyering [Tue, 26 Apr 2016 20:55:51 +0000 (13:55 -0700)]
maint: post-release administrivia

* NEWS: Add header line for next release.
* .prev-version: Record previous version.
* cfg.mk (old_NEWS_hash): Auto-update.

8 years agoversion 1.8 v1.8
Jim Meyering [Tue, 26 Apr 2016 20:45:00 +0000 (13:45 -0700)]
version 1.8

* NEWS: Record release date.

8 years agognulib: update to latest
Jim Meyering [Tue, 26 Apr 2016 20:28:23 +0000 (13:28 -0700)]
gnulib: update to latest

8 years agogzip: simplify by closing ourselves
Paul Eggert [Wed, 20 Apr 2016 05:05:57 +0000 (22:05 -0700)]
gzip: simplify by closing ourselves

This simplifies the previous fix, by avoiding the use of the
closein module.  That module was problematic, as gzip normally
does not use stdio for output and never uses it for input.
Also, it is a heavyweight module, as it drags many files into lib
(c-ctype.c, c-ctype.h, closein.c, closein.h, closeout.c, closeout.h,
close-stream.c, close-stream.h, config.charset, c-strcasecmp.c,
c-strcaseeq.h, c-strcase.h, c-strncasecmp.c, fpending.c, fpending.h,
freadahead.c, freadahead.h, localcharset.c, localcharset.h, mbrtowc.c,
mbsinit.c, quotearg.c, quotearg.h, quote.h, ref-add.sin, ref-del.sin,
streq.h, wctype-h.c, wctype.in.h) and into m4 (closein.m4, closeout.m4,
close-stream.m4, codeset.m4, configmake.m4, fpending.m4, freadahead.m4,
glibc21.m4, localcharset.m4, locale-fr.m4, locale-ja.m4, locale-zh.m4,
mbrtowc.m4, mbsinit.m4, mbstate_t.m4, quotearg.m4, wctype_h.m4),
and these files are thus no longer needed.
* bootstrap.conf (gnulib_modules): Remove closein.
* gzip.c: Don't include closein.h.
(stdin_was_read): New static var.
(main): Don't use close_stdin.
Invoke finish_out to exit after outputting via stdio's stdout.
Close stdin after reading it.
Restore previous way of closing stdout.
(treat_stdin): Record that stdin was read.
(finish_out): New function.

8 years agogzip: fix bug with -l output to pipes
Paul Eggert [Wed, 20 Apr 2016 00:43:09 +0000 (17:43 -0700)]
gzip: fix bug with -l output to pipes

Problem reported by Christian Franke via Eric Blake in:
http://bugs.gnu.org/23314
* NEWS: Mention this.
* gzip.c (main): Do not close stdout twice when given -l.
Instead, -l now just fflushes stdout, so that fdatasync
can synchronize it if --synchronize is also specified.
* tests/list: New test case.
* tests/Makefile.am (TESTS): Add it.

8 years agoPort to Oracle Solaris Studio 12.4
Paul Eggert [Mon, 28 Mar 2016 23:26:45 +0000 (16:26 -0700)]
Port to Oracle Solaris Studio 12.4

Problem reported by Kiyoshi KANAZAWA in: http://bugs.gnu.org/23133
* NEWS: Document this.
* configure.ac (ASMV): Do not define if NO_ASM is
anywhere in DEFS; it doesn't need to be surrounded by white space.
* lib/match.c: Do not use x86 version if __x86_64__ is defined.

8 years agomaint: post-release administrivia
Jim Meyering [Mon, 28 Mar 2016 04:03:50 +0000 (21:03 -0700)]
maint: post-release administrivia

* NEWS: Add header line for next release.
* .prev-version: Record previous version.
* cfg.mk (old_NEWS_hash): Auto-update.

8 years agoversion 1.7 v1.7
Jim Meyering [Mon, 28 Mar 2016 04:02:29 +0000 (21:02 -0700)]
version 1.7

* NEWS: Record release date.

8 years agoPort to NetBSD 7.0
Paul Eggert [Fri, 25 Mar 2016 19:57:05 +0000 (12:57 -0700)]
Port to NetBSD 7.0

Problem reported by Assaf Gordon in: http://bugs.gnu.org/23107#13
* gzexe.in, zdiff.in, zgrep.in: Don't rely on mktemp -t,
as it has a different meaning in NetBSD.

8 years ago* tests/init.sh: Sync from Gnulib.
Paul Eggert [Fri, 25 Mar 2016 19:54:36 +0000 (12:54 -0700)]
* tests/init.sh: Sync from Gnulib.

8 years agoPort to Alpine Linux which uses Busybox
Paul Eggert [Fri, 25 Mar 2016 19:53:50 +0000 (12:53 -0700)]
Port to Alpine Linux which uses Busybox

* Makefile.am (check-local): Use plain diff rather than

8 years agogzip: also honor GZIP=--rsyncable
Jim Meyering [Thu, 24 Mar 2016 16:06:18 +0000 (09:06 -0700)]
gzip: also honor GZIP=--rsyncable

* gzip.c (main): Also accept --rsyncable when it is specified
via the GZIP environment variable.
I noticed this when gzip's "make dist" failed because maint.mk
detected that gzip now honors --rsyncable, yet when it set GZIP_ENV
to include that, and that propagated via automake-generated code
to the GZIP setting used in the "make dist" rule, there, it was not
honored, and caused "make dist" to fail.

8 years agoFix typo in previous patch
Paul Eggert [Mon, 21 Mar 2016 22:46:12 +0000 (15:46 -0700)]
Fix typo in previous patch

8 years agoPort to Solaris 11 /bin/sh
Paul Eggert [Mon, 21 Mar 2016 22:41:55 +0000 (15:41 -0700)]
Port to Solaris 11 /bin/sh

* m4/shell.m4 (AC_PROG_SHELL): Reject Solaris 11 /bin/sh.
A problem was reported by Nelson H. F. Beebe for OpenIndiana.
I reproduced a problem with different symptoms on Solaris 11.
Switching to Bash fixed it, and I hope this fixes it for
OpenIndiana too, since both problems appear to be shell-related.

8 years agozgrep: with -f SPECIAL, read SPECIAL just once
Paul Eggert [Fri, 18 Mar 2016 22:20:53 +0000 (15:20 -0700)]
zgrep: with -f SPECIAL, read SPECIAL just once

Problem reported by Fulvio Scapin in: http://bugs.gnu.org/22945
* NEWS: Document this.
* tests/zgrep-f: Add a test.
Adjust a test to cover the case of more than one line in -f's input.
* zgrep.in (with_filename): With -f FILE, if FILE is stdin or not
a regular file, copy it into a temporary and use the temporary.

8 years agogzip: port to AIX 7.1 + xlc V12.1
Paul Eggert [Tue, 15 Mar 2016 22:45:42 +0000 (15:45 -0700)]
gzip: port to AIX 7.1 + xlc V12.1

* inflate.c, unlzw.c, util.c: Include tailor.h after including any
system include file that might in turn include signal.h for the
first time, so that SIGPIPE is not #defined to 0 prematurely,
which clashes with signal.h's SIGPIPE.

8 years agognulib: update to latest
Jim Meyering [Tue, 15 Mar 2016 18:01:39 +0000 (11:01 -0700)]
gnulib: update to latest

8 years agomaint: don't ignore gitlog-to-changelog failure
Jim Meyering [Tue, 15 Mar 2016 17:40:08 +0000 (10:40 -0700)]
maint: don't ignore gitlog-to-changelog failure

* Makefile.am (gen-ChangeLog): Don't ignore failure of
gitlog-to-changelog. This syncs to coreutils' copy of this rule.

8 years agogzip: pacify clang
Paul Eggert [Mon, 7 Mar 2016 00:47:22 +0000 (16:47 -0800)]
gzip: pacify clang

* gzip.c (do_list): Use 2D array of char for month abbreviations,
as this is clearer anyway, and it pacifies Clang.  Problem reported
by Assaf Gordon in: http://bugs.gnu.org/22900#40

8 years agotests: port to systems for which ":" is not the PATH separator
Jim Meyering [Sun, 6 Mar 2016 20:27:28 +0000 (12:27 -0800)]
tests: port to systems for which ":" is not the PATH separator

* Makefile.am (new_path): New variable.
(check-local): Use $(PATH_SEPARATOR) rather than a literal ":",
to avoid "make syntax-check" failure.

8 years agodoc: minor --rsyncable doc fixes
Paul Eggert [Sun, 6 Mar 2016 19:29:34 +0000 (11:29 -0800)]
doc: minor --rsyncable doc fixes

* doc/gzip.texi (Sample): Mention --rsyncable.
* gzip.c (help): Sort and do not capitalize the new --rsyncable
help string.

8 years agogzip: minor zgrep cleanup
Paul Eggert [Sun, 6 Mar 2016 19:16:34 +0000 (11:16 -0800)]
gzip: minor zgrep cleanup

* zgrep.in: Simplify previous change.

8 years agogzip: port zgrep to Solaris 11.2
Paul Eggert [Sun, 6 Mar 2016 08:17:41 +0000 (00:17 -0800)]
gzip: port zgrep to Solaris 11.2

Problem reported by Assaf Gordon in: http://bugs.gnu.org/22900#11
* zgrep.in: Port to Solaris 11.2 /bin/sh (ksh 93u 2011-02-08),
where $? is 256+SIG when a process was killed with signal SIG, and
where 'exit 257' is equivalent to 'exit 1'.  Apparently some other
sh implementations use 256+128+SIG.  So, instead of using plain
'exit $?', use the equivalent of 'exit ((128 * (128 <= $?)) + $? %
128)' within the script, and use the equivalent of 'kill -$($? %
128)' at the top level if the exit status is 128 or more.

8 years agogzip: remove --__bindir
Paul Eggert [Sun, 6 Mar 2016 01:18:59 +0000 (17:18 -0800)]
gzip: remove --__bindir

* NEWS: Document this.
* gzexe.in, gunzip.in, zcat.in, zcmp.in, zdiff.in, zegrep.in:
* zfgrep.in, zforce.in, zgrep.in, zless.in, zmore.in, znew.in:
Remove support for undocumented --__bindir option.  Callers can
set PATH instead; that's less error-prone.  This fixes some
'make check' failures on my Solaris 11 box, which occurred
because the test scripts were mistakenly testing the installed
gzip rather than the gzip in the working directory.
* Makefile.am (.in): Don't replace bindir.
(check-local): Set PATH instead of using --__bindir.
* tests/help-version (gunzip_setuphelp, gzexe_setuphelp)
(zcat_setuphelp, zcmp_setuphelp, zdiff_setuphelp)
(zegrep_setuphelp, zfgrep_setuphelp, zforce_setuphelp)
(zgrep_setuphelp, zless_setuphelp, zmore_setuphelp)
(znew_setuphelp): Remove.  All uses removed.
(lbracket_setup): Default args to empty.

8 years agotests: fix "make check" failure on AIX 7.1
Jim Meyering [Sat, 5 Mar 2016 01:24:53 +0000 (17:24 -0800)]
tests: fix "make check" failure on AIX 7.1

* tests/Makefile.am (TESTS_ENVIRONMENT): Modernize:
remove unused shell_or_perl_ function, and use an
export_with_values function as grep does, to remove
a lot of duplication.
Reported by Assaf Gordon in http://debbugs.gnu.org/22900

8 years agogzip: support the --rsyncable option
Rusty Russell [Sat, 5 Sep 2015 19:08:28 +0000 (12:08 -0700)]
gzip: support the --rsyncable option

* deflate.c: Include verify.h.
(RSYNC_WIN, RSYNC_SUM_MATCH): Define.
(rsync_sum, rsync_chunk_end): Declare file-scoped globals.
(lm_init): Initialize globals.
(fill_window): Update rsync_chunk_end.
(rsync_roll): New function.
(RSYNC_ROLL): New macro.
(FLUSH_BLOCK): Update for new "pad" parameter.
(deflate_fast): Use RSYNC_ROLL and flush/pad.
(deflate): Likewise.
* trees.c (flush_block): Add "pad" parameter.
* gzip.c (rsync): New global.
(RSYNCABLE_OPTION, longopts, help): Add the option.
(main): Set the new global.
* gzip.h (rsync): Declare new global.
(flush_block): Update prototype.
* doc/gzip.texi: Document it.
* gzip.1: Likewise.
* bootstrap.conf: Use verify module.
* NEWS (New feature): Mention it.
* Makefile.am (check-local): Add tests and use AM_V__* command-
hiding opions. Reported against Debian here:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=118118

8 years agomaint: dist-check.mk: remove .deps dirs before comparing
Jim Meyering [Mon, 29 Feb 2016 03:48:38 +0000 (19:48 -0800)]
maint: dist-check.mk: remove .deps dirs before comparing

"make distcheck" with automake-from-trunk would fail like this:
  ...
  Only in /gz/tests/torture/gzip/test/gzip-1.6.42-9d47.old: .deps
  Only in /gz/tests/torture/gzip/test/gzip-1.6.42-9d47.old/lib: .deps
  Only in /gz/tests/torture/gzip/test/gzip-1.6.42-9d47.old/lib/glthread: .deps
* dist-check.mk (my-distcheck): Remove all .deps directories before
comparing the two hierarchies.

8 years agomisc: update --version copyright
Paul Eggert [Sun, 28 Feb 2016 08:01:50 +0000 (00:01 -0800)]
misc: update --version copyright

* gunzip.in, gzexe.in, zcat.in, zdiff.in, zforce.in, zgrep.in:
* zless.in, zmore.in, znew.in: Update copyright year in --version
output to 2016.

8 years agogzip: new option --synchronous
Paul Eggert [Sun, 28 Feb 2016 07:58:54 +0000 (23:58 -0800)]
gzip: new option --synchronous

This follows up on the earlier patch to avoid data loss near the
system crashes.  It makes the new behavior optional, with the
default off.  See: http://bugs.gnu.org/22768
* NEWS, doc/gzip.texi (Sample, Invoking gzip), gunzip.in (usage):
* gzip.1, zcat.in (usage):
Document this.
* gzip.c (synchronous): New static var.
(SYNCHRONOUS_OPTION): New constant.
(longopts, help, main, treat_file): Add support for --synchronous.

8 years agogzip: use constants, not fileno
Paul Eggert [Sat, 27 Feb 2016 22:33:17 +0000 (14:33 -0800)]
gzip: use constants, not fileno

* gzip.c (main, treat_stdin, treat_file, get_method)
(check_ofname): Prefer STDIN_FILENO to fileno (stdin),
and similarly for STDOUT_FILENO.

8 years agogzip: fdatasync output dir before unlinking
Paul Eggert [Sat, 27 Feb 2016 22:12:46 +0000 (14:12 -0800)]
gzip: fdatasync output dir before unlinking

This follows up on the earlier patch to avoid data loss near
the system crashes.  See: http://bugs.gnu.org/22768
* bootstrap.conf (gnulib_modules): Add dirname-lgpl, fdatasync,
openat-safer, unistd-safer, unlinkat.
* gzip.c: Include stddef.h, dirname.h.
Include fcntl--.h instead of fcntl-safer.h.
(RW_USER): Remove; no longer needed.
(dfname, dfd): New static vars.
(dot): New static const.
(atdir_eq, atdir_set): New functions.
(treat_file): Also fdatasync the output directory, if !keep.
(treat_file, create_outfile, open_and_stat):
Use dir fd for unlinkat and openat, if possible.
(open_and_stat): Omit mode argument, since it was always the
same.  All callers changed.
* lib/.gitignore, m4/.gitignore: Add new gnulib files.
* tailor.h (PROTO, NO_STDIN_FSTAT, OPEN): Remove.  Remove MACOS
section, as this stuff would not work anyway now, and circa 2001
Apple stopped supporting Mac OS 9 and earlier.
* zip.c: Do not include unistd.h and fcntl.h, as this file does
not directly use any symbols defined by those headers.

8 years agofsync output file before closing
Paul Eggert [Tue, 23 Feb 2016 07:21:49 +0000 (23:21 -0800)]
fsync output file before closing

Problem reported by Yanyan Jiang 蒋炎岩 in: http://bugs.gnu.org/22768
* NEWS: Document this.
* bootstrap.conf (gnulib_modules): Add fsync.
* gzip.c (treat_file): Call fsync just before closing the output.
* lib/.gitignore, m4/.gitignore: Add fsync-related gnulib files.

8 years agodoc: correct a diagnostic in man page to match actual
Jason Leschnik [Thu, 21 Jan 2016 04:19:06 +0000 (04:19 +0000)]
doc: correct a diagnostic in man page to match actual

* gzip.1: s/no change/unchanged/
This addresses http://debbugs.gnu.org/22413

8 years agomaint: update copyright year, bootstrap, init.sh
Jim Meyering [Fri, 1 Jan 2016 23:04:08 +0000 (15:04 -0800)]
maint: update copyright year, bootstrap, init.sh

Run "make update-copyright" and then...

* gzip.c: Transform the copyright notice via s/2015/2016/.
* gnulib: Update to latest.
* tests/init.sh: Update from gnulib.
* bootstrap: Likewise.

8 years agomaint: avoid three warnings from the very latest gcc-built-from-git
Jim Meyering [Mon, 2 Nov 2015 05:58:42 +0000 (21:58 -0800)]
maint: avoid three warnings from the very latest gcc-built-from-git

* unzip.c (unzip): Correct two format strings to match the types of the corresponding arguments.
* unlzw.c (unlzw): Cast an "int" to unsigned to match expected type of %x.

8 years agomaint: adjust copyright notices in *.in files to be consistent
Jim Meyering [Mon, 24 Aug 2015 17:08:16 +0000 (10:08 -0700)]
maint: adjust copyright notices in *.in files to be consistent

The copyright year ranges in *.in files were not being updated,
because of a missing ", Inc." suffix.  Add that, run
run "make udpate-copyright", and ensure 2010..2015 year
ranges are covered.
* gunzip.in: Update copyright notice and year ranges.
* gzexe.in: Likewise.
* zcat.in: Likewise.
* zdiff.in: Likewise.
* zforce.in: Likewise.
* zgrep.in: Likewise.
* zless.in: Likewise.
* zmore.in: Likewise.
* znew.in: Likewise.

8 years agobuild: avoid -Wshift-negative-value warning
Jim Meyering [Mon, 24 Aug 2015 16:10:51 +0000 (09:10 -0700)]
build: avoid -Wshift-negative-value warning

Configured with --enable-gcc-warnings, a gcc-6.x build would fail with this:

  gzip.c:118:32: error: left shift of negative value
   #define OFF_T_MIN (~ (off_t) 0 << (sizeof (off_t) * CHAR_BIT - 1))

* gzip.c [OFF_T_MAX]: Define in terms of TYPE_MAXIMUM, not OFF_T_MIN.
[OFF_T_MIN]: Remove now-unused definition.
Include "intprops.h" for definiton of TYPE_MAXIMUM.
* bootstrap.conf (gnulib_modules): Add intprops.

8 years agomaint: remove dead code
Jim Meyering [Wed, 29 Jul 2015 05:31:30 +0000 (22:31 -0700)]
maint: remove dead code

This package has not been compilable with -DCRYPT
since commit v1.4-82-g9d1b943.  Remove final vestiges.
* bits.c (copy_block) [CRYPT]: Remove #ifdef'd code.
* inflate.c (NEXTBYTE) [CRYPT]: Likewise.
Prompted by a report from Flávio Medeiros
that HEADER and T might be used uninitialized.

9 years agogzip: make the GZIP env var obsolescent
Paul Eggert [Mon, 16 Mar 2015 21:25:17 +0000 (14:25 -0700)]
gzip: make the GZIP env var obsolescent

* NEWS, gzip.1:
* doc/gzip.texi (Environment, Tapes): Document this.
* gzip.c (args): Remove static var; no longer needed now that
'main' frees it.  All uses removed.
(ENV_OPTION, shortopts): New constants.
(main): Warn about nontrivial uses of GZIP.  Reject dangerous uses.
* tests/gzip-env: New test case.
* tests/Makefile.am (TESTS): Add it.
* util.c (add_envopt): Create new vector instead of adding to old
one.  Only use changed.

9 years agomaint: adjust to recent gnulib
Paul Eggert [Sat, 14 Mar 2015 01:13:09 +0000 (18:13 -0700)]
maint: adjust to recent gnulib

* doc/.gitignore: Add gendocs_template_min.
* lib/.gitignore: Add assure.h.

9 years agomaint: ensure that --version's copyright date is current
Jim Meyering [Mon, 10 Jun 2013 01:35:47 +0000 (18:35 -0700)]
maint: ensure that --version's copyright date is current

* cfg.mk (sc_gzip_copyright_check): Ensure we keep this copyright
year number up to date.  Reported by Paul Eggert.
* gzip.c (license_msg): Include only the current year number,
as is done in nearly every other program.

9 years agognulib: update to latest
Jim Meyering [Sun, 8 Feb 2015 18:50:07 +0000 (10:50 -0800)]
gnulib: update to latest

9 years agomaint: update copyright year ranges to include 2015; update gnulib
Jim Meyering [Fri, 2 Jan 2015 05:42:13 +0000 (21:42 -0800)]
maint: update copyright year ranges to include 2015; update gnulib

9 years agomaint: move new NEWS entry into block for upcoming release
Jim Meyering [Mon, 10 Nov 2014 19:22:33 +0000 (11:22 -0800)]
maint: move new NEWS entry into block for upcoming release

* NEWS: Move the latest NEWS entry from the block for gzip-1.6
into the block for the upcoming release.

9 years agogzip: adjust -v output when -k is also specified
Paul Eggert [Mon, 10 Nov 2014 19:02:38 +0000 (11:02 -0800)]
gzip: adjust -v output when -k is also specified

Problem reported by Eric Benoit in: http://bugs.gnu.org/16401
* gzip.c (treat_file): When keeping a file, don't say it's replaced.
* NEWS: Document this.
* tests/keep: Test this.

9 years agomaint: enable more syntax checks
Jim Meyering [Tue, 19 Aug 2014 15:59:38 +0000 (08:59 -0700)]
maint: enable more syntax checks

* cfg.mk (local-checks-to-skip): Remove several rule names from this
list, thus enabling the corresponding checks.  To fix some, I made
syntactic changes to source files.  In other cases, I exempted certain
files from the checks.
Add exemptions for these:
  sc_prohibit_atoi_atof = ^(gzip|sample/sub)\.c$$
  sc_space_tab = ^lib/match\.c$$
  sc_useless_cpp_parens = ^(lib/match\.c|tailor\.h)$$
* configure.ac: Add quotes to fix under-quoting.
* deflate.c: Remove unnecessary cpp parentheses.
* tests/Makefile.am (TEST_ENVIRONMENT): Remove space-before-TAB.
* unlzw.c: Change some TABs to spaces.

9 years agomaint: avoid false positive match in check for double semicolon
Jim Meyering [Mon, 10 Nov 2014 15:46:47 +0000 (07:46 -0800)]
maint: avoid false positive match in check for double semicolon

* cfg.mk (exclude_file_name_regexp--sc_prohibit_double_semicolon):
Exempt the file, lib/match.c, from gnulib's new double-semicolon
check.

9 years agognulib+bootstrap: update to latest
Jim Meyering [Mon, 10 Nov 2014 15:16:29 +0000 (07:16 -0800)]
gnulib+bootstrap: update to latest

* gnulib: Update the submodule.
* bootstrap: Update from gnulib.

9 years agotests: use local dir for output
Paul Eggert [Fri, 10 Oct 2014 18:41:25 +0000 (11:41 -0700)]
tests: use local dir for output

Reported by Kiyoshi KANAZAWA in: http://bugs.gnu.org/18679
* tests/unpack-invalid: Use local directory, not /tmp, for output.

9 years agogzip: fix --suffix=z bug (Bug#18239)
Paul Eggert [Sun, 10 Aug 2014 23:29:06 +0000 (16:29 -0700)]
gzip: fix --suffix=z bug (Bug#18239)

* gzip.c (get_suffix): Put --suffix string at the end
of the list of suffixes if it is a suffix of one one them.
* tests/z-suffix: New file.
* tests/Makefile.am (TESTS): Add it.

9 years agozgrep: exit with status 0 if a file matches and there's no trouble
Paul Eggert [Fri, 13 Jun 2014 01:43:08 +0000 (18:43 -0700)]
zgrep: exit with status 0 if a file matches and there's no trouble

Reported by Pavel Raiskup in: http://bugs.gnu.org/17760
* zgrep.in (res): Treat exit status 0 to be greater than 1.
Also, exit immediately on software configuration error.

9 years agodoc: use UTF-8 in the manual
Paul Eggert [Sat, 7 Jun 2014 21:22:39 +0000 (14:22 -0700)]
doc: use UTF-8 in the manual

* doc/gzip.texi: Switch to UTF-8 encoding.  Fix ASCIIisms.
Don't use @sc; plain caps are fine for GNU manuals.

9 years agomaint: update .gitignore files
Paul Eggert [Sat, 7 Jun 2014 21:20:29 +0000 (14:20 -0700)]
maint: update .gitignore files

* lib/.gitignore, m4/.gitignore: Adjust to match current sources.
Also, sort.

9 years agomaint: udpate all copyright notices via "make update-copyright"
Jim Meyering [Sat, 8 Mar 2014 19:41:30 +0000 (11:41 -0800)]
maint: udpate all copyright notices via "make update-copyright"

9 years agomaint: update copyright year range in gzip.texi
Jim Meyering [Sat, 7 Jun 2014 15:40:27 +0000 (08:40 -0700)]
maint: update copyright year range in gzip.texi

* doc/gzip.texi: Update copyright date.

9 years agomaint: update gnulib to latest and adapt streamsavedir usage
Jim Meyering [Sun, 4 May 2014 02:04:12 +0000 (19:04 -0700)]
maint: update gnulib to latest and adapt streamsavedir usage

* gnulib: Update module to latest.
* gzip.c (treat_dir): Gnulib's streamsavedir API has changed:
call it with a new argument, SAVEDIR_SORT_NONE, to retain the
preceding behavior.

10 years agozless: improve gzip failure checking, and port to new -V format
Paul Eggert [Fri, 7 Mar 2014 01:31:25 +0000 (17:31 -0800)]
zless: improve gzip failure checking, and port to new -V format

Problem reported by Jaroslaw Weglinski, and LESSOPEN change
suggested by Mark Nudelman, in: http://bugs.gnu.org/16951
This doesn't fix bug 16951 entirely, as 'less' needs to be changed
too, but it's a start.
* zless.in (check_exit_status): New var.
(LESSOPEN): Use it.
(use_input_pipe_on_stdin): Adjust to output format on Fedora 20,
where 'less -V' outputs "less 458 (POSIX regular expressions)"
on the first line.

10 years agogzip: fix permissions issue on Solaris-like systems
Paul Eggert [Thu, 24 Oct 2013 07:19:56 +0000 (00:19 -0700)]
gzip: fix permissions issue on Solaris-like systems

I.e., on systems that let users give files away.
* gzip.c (do_chown): New function.
(copy_stat): Use it, to change the group, then the permissions,
then the owner.  Idea suggested by Vladimir Marek in
<http://bugs.gnu.org/15672#11>

10 years agoznew: avoid denial-of-service issue
Paul Eggert [Fri, 4 Oct 2013 04:12:09 +0000 (21:12 -0700)]
znew: avoid denial-of-service issue

Reported by Rich Burridge in <http://bugs.gnu.org/15522>.
* znew.in: Rewrite to avoid the need for a temporary file in /tmp.
That way, we avoid the need for set -C
and worrying about denial of service.
Use touch -r and chmod --reference rather than cpmod.
Assume cp -p works, as it's now universal.
Quote 'echo' args better, while we're at it.
(warn, tmp, cpmod, cpmodarg): Remove.
(GZIP): Unset, so that we needn't test for gzip extension.
(ext): Now always '.gz'.
* znew.1: Document the change of implementation assumptions.

10 years agoFix spelling typo in newly-added comment.
Paul Eggert [Wed, 19 Jun 2013 15:51:51 +0000 (08:51 -0700)]
Fix spelling typo in newly-added comment.

10 years agotests: zgrep-signal race condition fix
Paul Eggert [Wed, 19 Jun 2013 15:46:29 +0000 (08:46 -0700)]
tests: zgrep-signal race condition fix

* tests/zgrep-signal: Check that Perl supports dup2.
(exec_with_SIGPIPE_SIGDFL): Remove.
(write_to_dangling_pipe): Simplify by moving more of it into Perl.
Fix race condition, where subcommand writes to a pipe before the ":"
command exits.  Problem reported by Thorsten Glaser in
<http://lists.gnu.org/archive/html/bug-gzip/2013-06/msg00028.html>.

10 years agozgrep: usage should say which grep options are not supported
Paul Eggert [Wed, 12 Jun 2013 18:42:34 +0000 (11:42 -0700)]
zgrep: usage should say which grep options are not supported

* zgrep.in (usage): Document which grep options are not supported.
Problem reported by Liron Paryente in
<http://lists.gnu.org/archive/html/bug-grep/2013-06/msg00005.html>.

10 years agogzip: port util.c to Compaq C V6.5-303
Paul Eggert [Wed, 12 Jun 2013 03:34:06 +0000 (20:34 -0700)]
gzip: port util.c to Compaq C V6.5-303

* util.c (crc_32_tab): Move definition to front, since this
compiler doesn't allow declarations of static arrays with
incomplete types.  Problem reported by Steven M. Schweda in
<http://lists.gnu.org/archive/html/bug-gzip/2013-06/msg00010.html>.

10 years agotests: zgrep-context assumes grep knows context
Paul Eggert [Wed, 12 Jun 2013 03:23:28 +0000 (20:23 -0700)]
tests: zgrep-context assumes grep knows context

* tests/Makefile.am (TESTS_ENVIRONMENT): Pass GREP too.
* tests/zgrep-context: Check that the underlying grep supports
context options.  Problem reported by Steven M. Schweda in
<http://lists.gnu.org/archive/html/bug-gzip/2013-06/msg00010.html>.

10 years agodoc: zgrep exit status, unsupported options
Paul Eggert [Wed, 12 Jun 2013 02:43:21 +0000 (19:43 -0700)]
doc: zgrep exit status, unsupported options

* zgrep.1 (EXIT STATUS, BUGS): New sections.
Problem reported by Bdale Garbee in
<http://lists.gnu.org/archive/html/bug-gzip/2013-06/msg00007.html>.

10 years agomaint: port to platforms lacking SIGPIPE
Paul Eggert [Wed, 12 Jun 2013 00:53:53 +0000 (17:53 -0700)]
maint: port to platforms lacking SIGPIPE

* tailor.h (SIGPIPE): Define to 0 if not defined.  This fixes a
porting bug introduced as part of 2012-11-16 syntax-check cleanup.
Problem reported by Bdale Garbee in
<http://lists.gnu.org/archive/html/bug-gzip/2013-06/msg00006.html>.

10 years agomaint: post-release administrivia
Jim Meyering [Sun, 9 Jun 2013 23:03:21 +0000 (16:03 -0700)]
maint: post-release administrivia

* NEWS: Add header line for next release.
* .prev-version: Record previous version.
* cfg.mk (old_NEWS_hash): Auto-update.

10 years agoversion 1.6 v1.6
Jim Meyering [Sun, 9 Jun 2013 23:00:41 +0000 (16:00 -0700)]
version 1.6

* NEWS: Record release date.

10 years agobuild: avoid automake warning that suggests use of subdir-objects
Jim Meyering [Sun, 9 Jun 2013 22:32:35 +0000 (15:32 -0700)]
build: avoid automake warning that suggests use of subdir-objects

* configure.ac (AM_INIT_AUTOMAKE): Use the subdir-objects option.

10 years agobuild: avoid warning about deprecated use of automake's ACLOCAL_AMFLAGS
Jim Meyering [Sun, 9 Jun 2013 22:28:28 +0000 (15:28 -0700)]
build: avoid warning about deprecated use of automake's ACLOCAL_AMFLAGS

* Makefile.am (ACLOCAL_AMFLAGS): Don't use this deprecated variable.
* configure.ac: Do this instead: AC_CONFIG_MACRO_DIR([m4]).

10 years agobuild: use more portable shell syntax in search of working shell
Jim Meyering [Sun, 9 Jun 2013 22:16:53 +0000 (15:16 -0700)]
build: use more portable shell syntax in search of working shell

* m4/shell.m4: Adjust sh/case syntax not to evoke a syntax
error from Solaris 10's /bin/sh.

10 years agobuild: update gnulib to latest, and bootstrap
Jim Meyering [Sun, 9 Jun 2013 20:37:48 +0000 (13:37 -0700)]
build: update gnulib to latest, and bootstrap

10 years agotests: exercise the new --keep option
Jim Meyering [Sun, 26 May 2013 18:52:17 +0000 (11:52 -0700)]
tests: exercise the new --keep option

* tests/keep: New file.
* tests/Makefile.am (TESTS): Add it.

10 years agogzip: add "--keep" option to retain (don't delete) input files
Rodrigo Campos [Mon, 1 Apr 2013 01:53:31 +0000 (22:53 -0300)]
gzip: add "--keep" option to retain (don't delete) input files

gzip now accepts the --keep (-k) option, for consistency with tools
like xz, lzip and bzip2.  With this option, gzip no longer removes
named input files when compressing and decompressing.
* doc/gzip.texi: Document it.
* gzip.1: Likewise.
* gunzip.in: Likewise.
* NEWS: Likewise.
* gzip.c: Add support for "--keep".

11 years agotests: redo patch for non-GNU gzip installed in /usr/local/bin
Paul Eggert [Mon, 15 Apr 2013 18:03:38 +0000 (11:03 -0700)]
tests: redo patch for non-GNU gzip installed in /usr/local/bin

Problem with previous patch reported by Antonio Diaz Diaz in
<http://lists.gnu.org/archive/html/bug-gzip/2013-04/msg00011.html>.
* tests/help-version (gunzip_setuphelp, gzexe_setuphelp)
(zcat_setuphelp, zcmp_setuphelp, zdiff_setuphelp)
(zegrep_setuphelp, zfgrep_setuphelp, zforce_setuphelp)
(zgrep_setuphelp, zless_setuphelp, zmore_setuphelp)
(znew_setuphelp): New functions, used when testing even --help.
(zdiff_setup, zcat_setup, znew_setup, zgrep_setup, gzexe_setup):
Use gzip_setuphelp to set --__bindir.

11 years agotests: work even if non-GNU gzip is installed in /usr/local/bin
Paul Eggert [Wed, 10 Apr 2013 22:26:47 +0000 (15:26 -0700)]
tests: work even if non-GNU gzip is installed in /usr/local/bin

Problem reported by Antonio Diaz Diaz in
<http://lists.gnu.org/archive/html/bug-gzip/2013-04/msg00004.html>.
* tests/help-version (zdiff_setup, zcat_setup, znew_setup, zgrep_setup)
(gzexe_setup): Pass --__bindir so that subsidiary programs are our
own's, not /usr/local/bin's.  This requires using 'eval' on the result.
(zcmp_setup, gunzip_setup, zmore_setup, zless_setup, zforce_setup)
(zegrep_setup, zfgrep_setup): Invoke one of the other setup functions,
to make the patterns more obvious and simplify future maintenance.
* zcmp.in, zegrep.in, zfgrep.in: Pass __bindir to subsidiary program.

11 years agomaint: adjust to Gnulib, Automake changes
Paul Eggert [Wed, 10 Apr 2013 21:22:31 +0000 (14:22 -0700)]
maint: adjust to Gnulib, Automake changes

* .gitignore: Add *.trs.
* lib/.gitignore: Add unused-parameter.h.

11 years agotests: port to Solaris 10 /bin/sh
Paul Eggert [Wed, 10 Apr 2013 21:21:31 +0000 (14:21 -0700)]
tests: port to Solaris 10 /bin/sh

* tests/Makefile.am (TESTS_ENVIRONMENT):
Use "FOO=val; export FOO" rather than "export FOO=val",
as the latter form doesn't work with Solaris /bin/sh.

11 years agogzip: port to DMF file systems
Paul Eggert [Mon, 25 Feb 2013 19:24:14 +0000 (11:24 -0800)]
gzip: port to DMF file systems

* util.c (read_buffer): When reading a file with O_NONBLOCK, if
the read fails with errno==EAGAIN, clear O_NONBLOCK and try again.
Problem reported by Vitezslav Cizek in
<http://lists.gnu.org/archive/html/bug-gzip/2013-02/msg00030.html>.