| Commit message (Collapse) | Author | Age | Files | Lines |
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* lib/posixtm.c (posixtime): Simplify.
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This changes the API slightly, in a hopefully-innocuous way.
Without this change the code had undefined behavior when a
caller specified neither PDS_LEADING_YEAR nor PDS_TRAILING_YEAR.
Problem reported by Pádraig Brady in:
https://lists.gnu.org/r/bug-gnulib/2017-11/msg00048.html
* NEWS: Mention this.
* lib/posixtm.c (posix_time_parse): Treat the absence of
PDS_TRAILING_YEAR as if PDS_LEADING_YEAR were present.
* lib/posixtm.h (PDS_LEADING_YEAR): Remove (actually, leave it
present, but define it as zero, for compatibility with existing
source code). All other PDS_* values moved up.
* tests/test-posixtm.c (LY): New macro.
(T): Use it. Do not expect a particular numeric encoding
for PDS_CENTURY etc.
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* lib/parse-datetime.y (parse_datetime2):
* lib/posixtm.c (posixtime):
Do not access uninitialized storage, even though the resulting
value is never used.
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* build-aux/gendocs.sh (version):
* doc/gendocs_template:
* doc/gendocs_template_min:
* doc/gnulib.texi:
* lib/version-etc.c (COPYRIGHT_YEAR):
Update copyright dates by hand in templates and the like.
* all files: Run 'make update-copyright'.
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* build-aux/gendocs.sh (version):
* doc/gendocs_template:
* doc/gendocs_template_min:
* doc/gnulib.texi:
* lib/version-etc.c (COPYRIGHT_YEAR):
Update copyright dates by hand in templates and the like.
* all files: Run 'make update-copyright'.
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* doc/gnulib.texi:
* lib/version-etc.c (COPYRIGHT_YEAR): Update copyright date.
* all files: Run 'make update-copyright'.
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* lib/posixtm.c (IF_LINT): Remove.
(year, posix_time_parse):
Return true (not 0) if successful. All callers changed.
(posix_time_parse): Simplify to pacify GCC without need for IF_LINT.
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* lib/filevercmp.h (filevercmp): Tag with _GL_ATTRIBUTE_PURE
* lib/posixtm.c: (IF_LINT): Define.
(posix_time_parse): Use it to void a "may be used uninitialized"
warning, seen only with -O3.
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I ran 'make update-copyright'.
Signed-off-by: Eric Blake <eblake@redhat.com>
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Run "make update-copyright". Compare to commit 1602f0a from last year.
Signed-off-by: Eric Blake <eblake@redhat.com>
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Run "make update-copyright".
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Run the new "make update-copyright" rule.
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Use the same procedure as for 2009, outlined in
http://thread.gmane.org/gmane.comp.lib.gnulib.bugs/20081
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* lib/posixtm.c: Add missing comma in FSF copyright line.
* lib/posixtm.h: Likewise.
* lib/getugroups.c: Add missing ", Inc.".
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* lib/posixtm.c (posixtime): Remove #ifdef'd tests. Move to...
* tests/test-posixtm.c: ... this new file.
* modules/posixtm-tests: New module.
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* lib/posixtm.c (posixtime): The code to reject invalid dates would
also reject a time specified with the .60 suffix, whereas POSIX allows
that, in order to accommodate leap seconds. Don't reject that.
(main): Adjust tests accordingly.
* modules/posixtm (Depends-on): Add stpcpy.
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* lib/posixtm.c (posixtime): Don't initialize tm0.
It's no longer needed to placate gcc4's -Wuninitialized,
and the attempt to placate would elicit a new warning.
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module sys_time.
* lib/gethrxtime.c: Include <sys/time.h>, since we can no longer
assume timespec.h defines struct timeval.
* lib/settime.c: Likewise.
* lib/utimens.c: Likewise.
* lib/gettime.c (gettime): Remove test against HAVE_GETTIMEOFDAY,
since we now assume the gettimeofday module.
* lib/tempname.c (__gen_tempname): Likewise.
* lib/gettimeofday.h: Remove.
* lib/gettimeofday.c: Include <sys/time.h> instead of "gettimeofday.h".
Don't include <sys/types.h> and <stdlib.h>; shouldn't be needed.
Include <time.h>, for 'time()'.
(localtime_buffer_addr): Also use this workaround if
TZSET_CLOBBERS_LOCALTIME. Set to a dummy static variable by default,
to simplify the uses. All uses changed.
(localtime, gmtime, tzset, gettimeofday): Reformat slightly so
that #undef is inside {}, and 'const' follows type name consistently.
(tzset): Define replacement only if TZSET_CLOBBERS_LOCALTIME.
(gettimeofday): Do not use the maximum possible value for
tv->tv_usec, since that might break usages other than ls.c.
Instead, we'll leave ls.c alone. This undoes today's patch
by Bruno. Add a compile-time warning for 1s-clock resolution;
we've never observed the problem but might as well keep the
canary.
* lib/nanosleep.c: Include timespec.h first, for interface check.
* lib/nanosleep.c: Include <sys/time.h> unconditionally, since we
now assume the sys_time module.
* lib/tempname.c: Likewise.
* lib/timespec.h: Likewise.
* lib/nanosleep.c: Don't worry about TIME_WITH_SYS_TIME; no longer
needed.
* lib/strftime.c: Likewise.
* lib/timespec.h: Likewise.
* lib/posixtm.c: Include posixtm.h first, for interface check.
Don't worry about TM_IN_SYS_TIME; that's wayyy obsolete.
* lib/posixtm.h: Include stdbool.h and time.h, for proper interface.
* lib/strftime.c: Don't include <sys/types.h>; shouldn't be needed.
* lib/sys_time_.h: New file.
* lib/timespec.h (struct timespec): Use long int, not long.
* m4/gettimeofday.m4 (gl_FUNC_GETTIMEOFDAY):
(gl_FUNC_GETTIMEOFDAY_CLOBBER, gl_PREREQ_GETTIMEOFDAY):
Remove obsolescent call to AC_HEADER_TIME.
* m4/mktime.m4 (AC_FUNC_MKTIME): Likewise.
* m4/nanosleep.m4 (gl_FUNC_NANOSLEEP): Likewise.
* m4/strftime.m4 (gl_FUNC_STRFTIME): Likewise.
* m4/timespec.m4 (gl_TIMESPEC, gl_CHECK_TYPE_STRUCT_TIMESPEC):
Likewise.
* m4/tzset.m4 (gl_FUNC_TZSET_CLOBBER): Likewise.
* m4/utimbuf.m4 (gl_CHECK_TYPE_STRUCT_UTIMBUF): Likewise.
* m4/gettimeofday.m4 (gl_FUNC_GETTIMEOFDAY): Move sys/time.h tests
into the sys_time module. Check for gettimeofday just once.
Prefix our variables with gl_, not with ac_ or jm_. Tighten test
for gettimeofday signature to just check the signature. Merely
compile it, since linking doesn't test signature. Improve test for
whether gettimeofday.o is actually needed.
(gl_FUNC_GETTIMEOFDAY_CLOBBER): Renamed from
AC_FUNC_GETTIMEOFDAY_CLOBBER. All uses changed. Use
AC_RUN_IFELSE rather than AC_TRY_RUN. If clobbering, set
and define GETTIMEOFDAY_CLOBBERS_LOCALTIME.
(gl_GETTIMEOFDAY_REPLACE_LOCALTIME): Don't define
GETTIMEOFDAY_CLOBBERS_LOCALTIME; that's gl_FUNC_GETTIMEOFDAY_CLOBBER's
job. Don't define tzset; that's gl_FUNC_TZSET_CLOBBER's job.
* m4/mktime.m4 (AC_FUNC_MKTIME): Just include <time.h> rather
than worrying about sys/time.h.
* m4/nanosleep.m4 (gl_FUNC_NANOSLEEP):
Don't bother worrying about TIME_WITH_SYS_TIME.
* m4/stat-time.m4 (gl_STAT_TIME): Likewise.
* m4/posixtm.m4 (gl_POSIXTM): Remove obsolescent call to AC_STRUCT_TM.
* m4/sys_time_h.m4: New file.
* m4/tzset.m4 (gl_FUNC_TZSET_CLOBBER): Require gl_HEADER_SYS_TIME_H.
Don't include sys/time.h. Return from main rather than exiting.
Define TZSET_CLOBBERS_LOCALTIME, for consistency with other names;
all uses changed.
* modules/gethrxtime (Depends-on): Add sys_time.
* modules/gettime (Depends-on): Likewise.
* modules/gettimeofday (Depends-on): Likewise.
* modules/nanosleep (Depends-on): Likewise.
* modules/settime (Depends-on): Likewise.
* modules/tempname (Depends-on): Likewise.
* modules/utimens (Depends-on): Likewise.
* modules/gettimeofday (Files): Remove lib/gettimeofday.h.
(Include:) Change back to <sys/time.h>.
(Maintainer:) Add self.
* modules/sys_time: New file.
* modules/tempname (Depends-on): Add gettimeofday.
* tests/test-gettimeofday.c: Include <sys/time.h>
rather than gettimeofday.h.
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longer worry about uses that don't define HAVE_CONFIG_H.
* acl.c, alloca.c, argmatch.c, atexit.c, backupfile.c:
* basename.c, c-stack.c, c-strtod.c, calloc.c, canon-host.c:
* canonicalize.c, chdir-long.c, chdir-safer.c, chown.c:
* cloexec.c, close-stream.c, closeout.c, creat-safer.c:
* cycle-check.c, diacrit.c, dirchownmod.c, dirfd.c, dirname.c:
* dup-safer.c, dup2.c, error.c, euidaccess.c, exclude.c:
* exitfail.c, fchmodat.c, fchown-stub.c, fd-safer.c:
* file-type.c, fileblocks.c, filemode.c, filenamecat.c:
* fnmatch.c, fopen-safer.c, fprintftime.c, free.c, fsusage.c:
* ftruncate.c, fts-cycle.c, fts.c, full-write.c, gai_strerror.c:
* getcwd.c, getdate.y, getdomainname.c, getgroups.c:
* gethostname.c, gethrxtime.c, getloadavg.c, getlogin_r.c:
* getndelim2.c, getnline.c, getopt.c, getopt1.c, getpass.c:
* gettime.c, gettimeofday.c, getugroups.c, getusershell.c:
* glob.c, group-member.c, hard-locale.c, hash-pjw.c, hash.c:
* human.c, idcache.c, inet_ntop.c, inet_pton.c, inttostr.c:
* isdir.c, lchown.c, linebuffer.c, long-options.c, lstat.c:
* malloc.c, md5.c, memcasecmp.c, memchr.c, memcmp.c, memcoll.c:
* memcpy.c, memmove.c, memrchr.c, mkancesdirs.c, mkdir-p.c:
* mkdir.c, mkdirat.c, mkstemp-safer.c, mkstemp.c, modechange.c:
* mountlist.c, nanosleep.c, obstack.c, open-safer.c:
* openat-die.c, openat.c, pagealign_alloc.c, physmem.c:
* pipe-safer.c, posixtm.c, posixver.c, putenv.c, quote.c:
* quotearg.c, raise.c, readtokens.c, readtokens0.c, readutmp.c:
* realloc.c, regex.c, rename.c, rmdir.c, rpmatch.c, safe-read.c:
* same.c, save-cwd.c, savedir.c, setenv.c, settime.c, sha1.c:
* sig2str.c, snprintf.c, strdup.c, strerror.c, strftime.c:
* stripslash.c, strndup.c, strnlen.c, strpbrk.c, strtod.c:
* strtoimax.c, strtol.c, strverscmp.c, tempname.c, time_r.c:
* timegm.c, tmpfile-safer.c, unlinkdir.c, userspec.c, utime.c:
* utimecmp.c, utimens.c, version-etc-fsf.c, version-etc.c:
* xalloc-die.c, xgetcwd.c, xgethostname.c, xmalloc.c:
* xmemcoll.c, xnanosleep.c, xreadlink.c, xstrtod.c:
* xstrtoimax.c, xstrtol.c, xstrtoumax.c, yesno.c:
Likewise.
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* lib/fnmatch.c (ISBLANK): Remove. All uses changed to isblank.
(isblank) [! (defined isblank || HAVE_DECL_ISBLANK)]: New macro.
(ISGRAPH): Remove. All uses changed to isgraph.
(FOLD) [!defined _LIBC]: Remove special case.
* lib/getdate.y (lookup_word): Remove no-longer-needed call to islower.
* lib/regext_internal.h (isblank): Depend on HAVE_DECL_ISBLANK, not
HAVE_ISBLANK.
* lib/strftime.c (TOLOWER, TOUPPER) [!defined _LIBC]: Remove special case.
* m4/fnmatch.m4 (_AC_LIBOBJ_FNMATCH): Don't check for getenv decl;
no longer needed. Check for isblank decl.
* m4/mkstemp.m4 (gl_PREREQ_TEMPNAME): Don't check for getenv decl.
* m4/regex.m4 (gl_PREREQ_REGEX): Dheck for isblank decl instead
of existence.
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* doc/getdate.texi (General date syntax): Invalid dates are rejected.
(Time of day items): Mention the possibility of leap seconds.
Problem reported by Dr. David Alan Gilbert.
* lib/chdir-long.c (cdb_free): Don't bother trying to open directory
for write access: POSIX says that must fail.
* lib/fts.c (diropen): Likewise.
* lib/save-cwd.c (save_cwd): Likewise.
* lib/chdir-long.c (cdb_free): Open with O_NOCTTY | O_NONBLOCK as
well, for minor improvements on hosts that lack O_DIRECTORY.
* lib/gettime.c (gettime) [!defined OK_TO_USE_1S_CLOCK]:
Report an error at compile-time if only a 1-second nominal clock
resolution is found.
* lib/lchmod.h: New file.
* lib/mkdir-p.c: Include lchmod.h, lchown.h.
(make_dir_parents): Use lchown rather than chown, and
lchmod rather than chmod.
* lib/mountlist.c (ME_DUMMY): "none" and "proc" file systems are dummies
too. Problem with "none" reported by Bob Proulx. Problem with
"proc" reported by n0dalus.
* lib/mountlist.c: Include <limits.h>.
(dev_from_mount_options)
[defined MOUNTED_GETMNTENT1 || defined MOUNTED_GETMNTENT2]:
New function. It no longer assumes "dev=" has the System V meaning
on Linux (since it doesn't). It also parses "dev=" more carefully.
(read_file_system_list)
[defined MOUNTED_GETMNTENT1 || defined MOUNTED_GETMNTENT2]: Use it.
MOUNTED_GETMNTENT2 is new here; the code didn't used to look for
dev= in that case.
* lib/posixtm.h (PDS_PRE_2000): New macro.
* lib/posixtm.c (year): Arg is now syntax_bits rather than allow_century.
All usages changed. Reject dates outside the range 1969-1999 if
PDS_PRE_2000 is used.
* modules/mkdir-p (Files): Add chdir-safer.c, chdir-safer.h, lchmod.h,
chdir-safer.m4, lchmod.m4.
* modules/openat: Add mkdirat.c, openat-priv.h.
* modules/lib-ignore: New file.
* lib/version-etc.c (COPYRIGHT_YEAR): Update to 2006.
Rewrite fts.c not to change the current working directory,
by using openat, fstatat, fdopendir, etc..
* lib/fts.c [! _LIBC]: Include "openat.h", "unistd--.h", and "fcntl--.h".
[_LIBC] (fchdir): Don't undef or define; no longer used.
(FCHDIR): Define in terms of cwd_advance_fd rather than fchdir.
Now, this `function' always succeeds, and consumes its file descriptor
parameter -- so callers must not close such FDs. Update callers.
(diropen_fd, opendirat, cwd_advance_fd): New functions.
(diropen): Add parameter, SP. Adjust all callers.
Implement using diropen_fd, rather than open.
(fts_open): Initialize new member, fts_cwd_fd.
Remove fts_rft-setting code.
(fts_close): Close fts_cwd_fd, if necessary.
(__opendir2): Define in terms of opendir or opendirat,
depending on whether the FST_NOCHDIR flag is set.
(fts_build): Since fts_safe_changedir consumes its FD, and since
this code must do `closedir(dirp)', dup the dirfd(dirp) argument,
and close the dup'd file descriptor upon failure.
(fts_stat): Use fstatat(...AT_SYMLINK_NOFOLLOW) in place of lstat.
(fts_safe_changedir): Tweak semantics to reflect that this function
now calls cwd_advance_fd and hence consumes its FD argument.
* lib/fts_.h [struct FTS] (fts_cwd_fd): New member.
(fts_rft): Remove now-unused member.
* lib/openat.c (fchownat): New function.
* lib/openat.h (fchmodat, fchownat): Declare.
(chmodat, lchmodat): Define convenience functions.
(chownat, lchownat): Likewise.
* lib/chdir-safer.h, chdir-safer.c: New files.
* lib/modechange.c (mode_compile): Reject an invalid mode string
that starts with an octal digit. From Andreas Gruenbacher.
* lib/openat.c: Include "fcntl--.h" and "unistd--.h", to map open
and dup to open_safer and dup_safer, respectively.
(openat_permissive): Fix typo in comment.
* lib/openat.c: Don't include <stdlib.h>, <unistd.h>, <fcntl.h>,
"gettext.h"; either no longer needed or are guaranteed by openat.h.
(_): Remove; no longer needed.
(openat): Renamed from rpl_openat; no need for rpl_openat
since openat.h renames openat for us.
Replace most of the body with a call to openat_permissive,
to avoid duplicate code.
Port to (probably hypothetical) environments were mode_t is
wider than int.
(openat_permissive): Require mode arg, so that we can check
types better. Put it just after flags. Change cwd failure
indicator from pointer-to-bool to pointer-to-errno-value.
All callers changed.
Invoke openat_save_fail and/or openat_restore_fail if
cwd_errno is null, so that openat can call us.
(openat_permissive, fdopendir, fstatat, unlinkat):
Simplify errno handling to avoid some duplicate code,
as it's OK to set errno on success.
* lib/openat.h: Revamp code so that function macros depend on
__OPENAT_PREFIX only, not also on AT_FDCWD.
(openat_ro): Remove. Caller changed to use openat_permissive.
(openat_permissive): Now a macro, if not a function.
(openat_restore_fail, openat_save_fail): Now always functions,
since mkdirat needs them even if __OPENAT_PREFIX is defined.
* lib/openat-priv.h: New file, defining macros used by mkdirat.c
and openat.c.
* lib/mkdirat.c: Include openat-priv.h.
Remove definitions of macros defined therein.
* lib/openat.c: Likewise.
* lib/mkdirat.c (mkdirat): New file and function.
* lib/openat.h (mkdirat): Declare.
* lib/openat.c (fdopendir): Don't change errno when returning non-NULL.
* lib/openat.h (openat_permissive): Declare.
(openat_ro): Define.
* lib/openat.c (EXPECTED_ERRNO): New macro.
(openat_permissive): New function -- used in remove.c rewrite.
(all functions): Set errno just before returning, only if there
was an actual failure.
Use EXPECTED_ERRNO rather than comparing against only ENOTDIR.
Emulate openat-family functions using Linux's procfs, if possible.
Idea and some code based on Ulrich Drepper's glibc changes.
* lib/openat.c: (BUILD_PROC_NAME): New macro.
Include <stdio.h>, <string.h>, "alloca.h" and "intprops.h".
(rpl_openat): Emulate by trying to open /proc/self/fd/%d/%s,
before falling back on save_cwd and restore_cwd.
(fdopendir, fstatat, unlinkat): Likewise.
* lib/openat.c (fstatat, unlinkat): Perform the syscall directly,
skipping the save_cwd...restore_cwd overhead, if FILE is absolute.
* lib/openat.c (rpl_openat): Use the promoted type (int), not mode_t,
as second argument to va_arg. Otherwise, some versions of gcc
warn that `if this code is reached, the program will abort'.
Add POSIX ACL support
* lib/acl.h (copy_acl, set_acl): Add declarations.
* lib/acl.c (acl_entries): Add fallback implementation for POSIX ACL
systems other than Linux.
(chmod_or_fchmod): New function: use fchmod when possible,
and chmod otherwise.
(file_has_acl): Add a POSIX ACL implementation, with a
Linux-specific subcase.
(copy_acl): Add: copy an acl and S_ISUID, S_ISGID, and
S_ISVTX from one file to another. Fall back to fchmod/chmod when
acls are unsupported.
(set_acl): Add: set a file's acl and S_ISUID, S_ISGID, and
S_ISVTX to a defined value. Fall back to fchmod/chmod when acls
are unsupported.
* m4/lib-ignore.m4: New file.
* m4/lchmod.m4: New file.
* m4/chdir-safer.m4: New file.
* m4/openat.m4 (gl_FUNC_OPENAT): Require and compile mkdirat.c.
Require openat-priv.h.
* m4/acl.m4 (AC_FUNC_ACL): Add POSIX ACL and Linux-specific acl tests.
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* .cppi-disable: Add regcomp.c, regex_internal.c, regex_internal.h,
stat-time.h.
* argmatch.h: Include verify.h
(ARGMATCH_VERIFY): Use verify rather than rolling our own.
(ARGMATCH_ASSERT): Remove; unused.
* canonicalize.c: Assume STDC_HEADERS.
* exclude.c: Include "strcase.h".
* regex_internal.h [!defined _LIBC]: Likewise.
* getusershell.c: Include stdio--.h rather than stdio.h
and stdio-safer.h.
(getusershell): Call fopen, not fopen_safer.
* save-cwd.c: Include fcntl--.h rather than fcntl.h.
Do not include unistd-safer.h.
(save_cwd): Don't call fd_safer; no longer needed
now that we include fcntl--.h.
* modules/argmatch (Depends-on): Add verify.
* modules/getloadavg (Depends-on): Depend on fcntl-safer, not
unistd-safer.
* modules/save-cwd (Depends-on): Likewise.
* backupfile.m4, calloc.m4, chown.m4, cloexec.m4, dup2.m4:
* fileblocks.m4, free.m4, ftruncate.m4, getcwd.m4, getpagesize.m4:
* getugroups.m4, group-member.m4, idcache.m4, link-follow.m4:
* mkstemp.m4, mktime.m4, mountlist.m4, nanosleep.m4, pathmax.m4:
* physmem.m4, posixver.m4, putenv.m4, safe-read.m4, same.m4:
* save-cwd.m4, stdio-safer.m4, unistd-safer.m4, unlinkdir.m4:
* userspec.m4, xgetcwd.m4, xreadlink.m4:
Don't bother checking for string.h, stdlib.h, unistd.h.
* fts.m4 (gl_FUNC_FTS_CORE): Don't require
AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK; that's now the lstat
module's job.
* jm-macros.m4 (gl_MACROS): Likewise.
* prereq.m4 (gl_PREREQ): Add gl_FUNC_LSTAT.
* backupfile.c: Use ARGMATCH_VERIFY, just in case.
* posixtm.c (posixtime) [lint]: Initialize *all* of tm0, not just
the .tm_year member, since otherwise gcc-4.0 would now warn about
tm_zone, tm_gmtoff, tm_isdst, tm_yday, tm_wday.
* quotearg.c (quotearg_n_options): Change code to be suboptimal, in
order to avoid an unsuppressible warning from gcc on 64-bit systems.
* lstat.m4 (gl_FUNC_LSTAT):
Use AC_LIBSOURCES to require lstat.c and lstat.h.
Remove obsolete comment.
* xreadlink.m4: Use AC_LIBSOURCES and AC_LIBOBJ.
* xstrtod.m4: Likewise.
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-Wuninitialized: initialize tm0.tm_year.
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Some valid time stamps were being rejected (notably -1, and
time stamps before 1900 on 64-bit hosts). And some invalid
time stamps were being accepted, e.g. September 31.
* posixtm.h (posixtime): Return bool instead of time_t, so
that we can return (time_t) -1 successfully.
* posixtm.c: Likewise.
[HAVE_STDBOOL_H]: Include <stdbool.h>.
(bool, false, true) [!HAVE_STDBOOL_H]: New type.
(t): Remove static var.
(year, posix_time_parse): Now takes struct tm * arg to modify, instead
of static var. All uses changed.
(year): Do not reject years before 1900; they can occur with
64-bit time_t.
(posix_time_parse): Do not check for out-of-range components;
that is now the caller's responsibility, since our checks were
only approximations.
(posixtime): Use mktime to check for out-of-range components,
since it knows them exactly.
If mktime returns (time_t) -1, check whether an error actually occurred
by invoking localtime on -1.
(main) [TEST_POSIXTIME]: Check for input data errors, and report
posixtime failures better.
Improve the test data (in comments only).
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`signed and unsigned type in conditional expression'.
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