delta/gnulib.git/modules/glob, branch python git.savannah.gnu.org: git/gnulib.git glob: use scratch_buffer instead of extend_alloca 2017-09-01T23:32:53+00:00 Paul Eggert eggert@cs.ucla.edu 2017-09-01T22:41:45+00:00 e1e842053e2a573d132bd44439534e20ce00d23b Much of the lib/glob.c part of this patch comes from a glibc patch proposed by Adhemerval Zanella in: https://sourceware.org/ml/libc-alpha/2017-08/msg00456.html * lib/glob.c: Do not include <config.h>, since <libc-config.h>, included via glob.h, does this for us now. (__set_errno): Remove, as libc-config does this for us now. Include <scratch_buffer.h>. (GETPW_R_SIZE_MAX): Remove. (glob): Use struct scratch_buffer instead of extend_alloca. * lib/glob.in.h: Include libc-config.h rather than including <sys/cdefs.h> conditionally. (__BEGIN_DECLS, __END_DECLS, __THROW, __THROWNL, attribute_hidden) (__glibc_unlikely, __restrict, weak_alias): Remove, as libc-config does this for us now. * m4/glob.m4 (gl_PREREQ_GLOB): Remove sys/cdefs.h tests; no longer needed. * modules/glob (Depends-on): Add libc-config, scratch_buffer. (glob.h): Do not replace HAVE_SYS_CDEFS_H. 
Much of the lib/glob.c part of this patch comes from a glibc patch
proposed by Adhemerval Zanella in:
https://sourceware.org/ml/libc-alpha/2017-08/msg00456.html
* lib/glob.c: Do not include <config.h>, since <libc-config.h>,
included via glob.h, does this for us now.
(__set_errno): Remove, as libc-config does this for us now.
Include <scratch_buffer.h>.
(GETPW_R_SIZE_MAX): Remove.
(glob): Use struct scratch_buffer instead of extend_alloca.
* lib/glob.in.h: Include libc-config.h rather than
including <sys/cdefs.h> conditionally.
(__BEGIN_DECLS, __END_DECLS, __THROW, __THROWNL, attribute_hidden)
(__glibc_unlikely, __restrict, weak_alias):
Remove, as libc-config does this for us now.
* m4/glob.m4 (gl_PREREQ_GLOB):
Remove sys/cdefs.h tests; no longer needed.
* modules/glob (Depends-on): Add libc-config, scratch_buffer.
(glob.h): Do not replace HAVE_SYS_CDEFS_H.
glob: match dangling symlinks 2017-08-31T22:08:44+00:00 Paul Eggert eggert@cs.ucla.edu 2017-08-31T21:34:25+00:00 fd1daf4e1824bb46c08ba6244b4d41c8cecb3642 This fixes a bug I inadvertently introduced to Gnulib when I merged glibc glob back into gnulib on 2007-10-16. This fix is inspired by a patch proposed for glibc by Adhemerval Zanella in: https://sourceware.org/ml/libc-alpha/2017-08/msg00446.html * doc/posix-functions/glob.texi: Update list of affected platforms. * lib/glob.c (__lstat64): New macro. (is_dir): New function. (glob, glob_in_dir): Match symlinks even if they are dangling. (link_stat, link_exists_p): Remove. All uses removed. * lib/glob.in.h (__attribute_noinline__): Remove; no longer used. * m4/glob.m4 (gl_PREREQ_GLOB): Do not check for fstatat. * modules/glob (Depends-on): Remove dirfd. * modules/glob-tests (Depends-on): Add symlink. * tests/test-glob.c: Include errno.h, unistd.h. (BASE): New macro. (main): Test dangling symlinks, if symlinks are supported. 
This fixes a bug I inadvertently introduced to Gnulib when I
merged glibc glob back into gnulib on 2007-10-16.  This fix is
inspired by a patch proposed for glibc by Adhemerval Zanella in:
https://sourceware.org/ml/libc-alpha/2017-08/msg00446.html
* doc/posix-functions/glob.texi: Update list of affected platforms.
* lib/glob.c (__lstat64): New macro.
(is_dir): New function.
(glob, glob_in_dir): Match symlinks even if they are dangling.
(link_stat, link_exists_p): Remove.  All uses removed.
* lib/glob.in.h (__attribute_noinline__): Remove; no longer used.
* m4/glob.m4 (gl_PREREQ_GLOB): Do not check for fstatat.
* modules/glob (Depends-on): Remove dirfd.
* modules/glob-tests (Depends-on): Add symlink.
* tests/test-glob.c: Include errno.h, unistd.h.
(BASE): New macro.
(main): Test dangling symlinks, if symlinks are supported.
glob, backupfile: inode 0 is a valid inode number 2017-08-31T22:08:44+00:00 Paul Eggert eggert@cs.ucla.edu 2017-08-31T21:34:24+00:00 c8e57c1ad7dabfd422a14015e1c81889eaf9d028 * doc/posix-functions/readdir.texi (readdir): * doc/posix-headers/dirent.texi (dirent.h): Document more readdir portability issues. * lib/backupfile.c (REAL_DIR_ENTRY): Remove. (numbered_backup): Don’t treat inode 0 any differently from other inode values. * lib/glob.c (struct readdir_result): Remove skip_entry member. (readdir_result_skip_entry, D_INO_TO_RESULT): Remove. All uses removed. * modules/glob (Depends-on): Remove d-ino. 
* doc/posix-functions/readdir.texi (readdir):
* doc/posix-headers/dirent.texi (dirent.h):
Document more readdir portability issues.
* lib/backupfile.c (REAL_DIR_ENTRY): Remove.
(numbered_backup): Don’t treat inode 0 any differently from
other inode values.
* lib/glob.c (struct readdir_result): Remove skip_entry member.
(readdir_result_skip_entry, D_INO_TO_RESULT): Remove.
All uses removed.
* modules/glob (Depends-on): Remove d-ino.
glob: Fix compilation error on NetBSD 7.0 and OpenBSD 6.0. 2017-08-24T10:12:31+00:00 Bruno Haible bruno@clisp.org 2017-08-24T10:12:31+00:00 8e0845e2f35bb64fb9b11f677e8edaac393f56fa * modules/glob (Depends-on): Add c99. 
* modules/glob (Depends-on): Add c99.
glob: merge from glibc with Zanella glob changes 2017-08-23T21:41:54+00:00 Paul Eggert eggert@cs.ucla.edu 2017-08-23T17:45:42+00:00 32107c10ed727cc70661f6856e423b4863e94ffc Merge glob from glibc, with changes for glob proposed by Adhemerval Zanella in the thread starting here: https://sourceware.org/ml/libc-alpha/2017-08/msg01079.html plus some fixes for this merge. * lib/flexmember.h: Change license wording to something that works unchanged in Glibc, since this code might be used in Glibc and this will minimize 'diff' output. * lib/glob_internal.h, lib/glob_pattern_p.c, lib/globfree.c: New files, ported from glibc. * lib/glob_pattern_p.c, lib/globfree.c, lib/glob.c [!_LIBC]: Include <config.h> first. * lib/glob-libc.h (_Restrict_): Remove. All uses replaced with __restrict. (__size_t): Remove. All uses replaced by size_t. (size_t): Define by defining __need_size_t and including <stddef.h>. This should work even in non-glibc platforms, where any name pollution is OK. Use __USE_MISC instead of __USE_BSD || __USE_GNU. (struct stat64): Don’t worry about __GLOB_GNULIB. (glob, globfree, glob_pattern_p): Remove macros for __USE_FILE_OFFSET64 && __GNUC__ < 2 && !defined __GLOB_GNULIB case. Remove _GL_ARG_NONNULL as GNU behavior is to accept NULL but set errno. * lib/glob.c (_GL_ARG_NONNULL) [!_LIBC]: Remove. All uses removed since the glibc behavior works on null pointers. Do not include stdio.h; old SunOS is irrelevant now. Do not worry about GLOB_ONLY_P as we now mimic glibc here. Include glob_internal.h. (D_INO_TO_RESULT): Depend on (_LIBC || D_INO_IN_DIRENT), not ((POSIX || WINDOWS32) && !__GNU_LIBRARY__). The latter probably worked only coincidentally. (attribute_hidden, __attribute_noinline__, __glibc_unlikely): Remove macros; now done in glob.in.h. (size_add_wrapv): Do not use __builtin_add_overflow if __ICC. (glob): Properly initialize glob structure with GLOB_BRACE|GLOB_DOOFFS (bug 20707). Remove old code using SHELL since Bash no longer uses this. (glob, prefix_array): Separate MS code better. (glob, glob_in_dir): Use C99 decls before statements when glibc does. (glob_in_dir): Remove old Amiga and VMS code. (globfree, __glob_pattern_type, __glob_pattern_p): Move to separate files. * lib/glob.in.h (attribute_hidden, __attribute_noinline__) (__glibc_unlikely): Move here from glob.c. (__restrict): New macro here, replacing the _Restrict_ in glob.c. (weak_alias): New macro. (__size_t): Remove. All uses replaced by size_t. * modules/d-ino (License): Now LGPLv2+, for compatibility with glob. * modules/flexmember (License): Now LGPLv2+, which it should have been anyway since flexmember.h is not unlimited-license. * modules/glob (Files): Add +lib/glob_internal.h, lib/glob_pattern_p.c, lib/globfree.c. (Depends-on): Remove snippet/arg-nonnull. 
Merge glob from glibc, with changes for glob proposed
by Adhemerval Zanella in the thread starting here:
https://sourceware.org/ml/libc-alpha/2017-08/msg01079.html
plus some fixes for this merge.
* lib/flexmember.h: Change license wording to something that
works unchanged in Glibc, since this code might be used in
Glibc and this will minimize 'diff' output.
* lib/glob_internal.h, lib/glob_pattern_p.c, lib/globfree.c:
New files, ported from glibc.
* lib/glob_pattern_p.c, lib/globfree.c, lib/glob.c [!_LIBC]:
Include <config.h> first.
* lib/glob-libc.h (_Restrict_): Remove.  All uses replaced
with __restrict.
(__size_t): Remove.  All uses replaced by size_t.
(size_t): Define by defining __need_size_t and including <stddef.h>.
This should work even in non-glibc platforms, where any name
pollution is OK.
Use __USE_MISC instead of __USE_BSD || __USE_GNU.
(struct stat64): Don’t worry about __GLOB_GNULIB.
(glob, globfree, glob_pattern_p): Remove macros for
__USE_FILE_OFFSET64 && __GNUC__ < 2 && !defined __GLOB_GNULIB
case.  Remove _GL_ARG_NONNULL as GNU behavior is to accept NULL
but set errno.
* lib/glob.c (_GL_ARG_NONNULL) [!_LIBC]: Remove.  All uses
removed since the glibc behavior works on null pointers.
Do not include stdio.h; old SunOS is irrelevant now.
Do not worry about GLOB_ONLY_P as we now mimic glibc here.
Include glob_internal.h.
(D_INO_TO_RESULT): Depend on (_LIBC || D_INO_IN_DIRENT), not
((POSIX || WINDOWS32) && !__GNU_LIBRARY__).  The latter probably
worked only coincidentally.
(attribute_hidden, __attribute_noinline__, __glibc_unlikely):
Remove macros; now done in glob.in.h.
(size_add_wrapv): Do not use __builtin_add_overflow if __ICC.
(glob): Properly initialize glob structure with
GLOB_BRACE|GLOB_DOOFFS (bug 20707).
Remove old code using SHELL since Bash no longer
uses this.
(glob, prefix_array): Separate MS code better.
(glob, glob_in_dir): Use C99 decls before statements when glibc
does.
(glob_in_dir): Remove old Amiga and VMS code.
(globfree, __glob_pattern_type, __glob_pattern_p): Move to
separate files.
* lib/glob.in.h (attribute_hidden, __attribute_noinline__)
(__glibc_unlikely):
Move here from glob.c.
(__restrict): New macro here, replacing the _Restrict_ in glob.c.
(weak_alias): New macro.
(__size_t): Remove.  All uses replaced by size_t.
* modules/d-ino (License): Now LGPLv2+, for compatibility with glob.
* modules/flexmember (License): Now LGPLv2+, which it should have
been anyway since flexmember.h is not unlimited-license.
* modules/glob (Files): Add +lib/glob_internal.h,
lib/glob_pattern_p.c, lib/globfree.c.
(Depends-on): Remove snippet/arg-nonnull.
builtin-expect: new module 2016-12-16T22:57:13+00:00 Paul Eggert eggert@cs.ucla.edu 2016-12-16T22:52:59+00:00 005973d694fea96d9e8b6a8148a71bd7f0a8d099 Fix fnmatch to use it. Problem reported for z/OS by Daniel Richard G. * lib/fnmatch.c (__builtin_expect): * lib/glob.c (__builtin_expect): * lib/grantpt.c (__builtin_expect) [!_LIBC]: * lib/memmem.c (__builtin_expect) [!_LIBC]: * lib/scandir.c (__builtin_expect): * lib/strstr.c (__builtin_expect) [!_LIBC]: Remove macro; config.h now does this. * lib/gl_anytreehash_list1.h (add_to_bucket): * lib/regex_internal.h (BE): Assume __builtin_expect. * m4/builtin-expect.m4, modules/builtin-expect: New files. * modules/avltreehash-list, modules/fnmatch, modules/glob: * modules/grantpt, modules/memmem-simple, modules/rbtreehash-list: * modules/scandir, modules/strstr-simple: Depend on builtin-expect. 
Fix fnmatch to use it.
Problem reported for z/OS by Daniel Richard G.
* lib/fnmatch.c (__builtin_expect):
* lib/glob.c (__builtin_expect):
* lib/grantpt.c (__builtin_expect) [!_LIBC]:
* lib/memmem.c (__builtin_expect) [!_LIBC]:
* lib/scandir.c (__builtin_expect):
* lib/strstr.c (__builtin_expect) [!_LIBC]:
Remove macro; config.h now does this.
* lib/gl_anytreehash_list1.h (add_to_bucket):
* lib/regex_internal.h (BE):
Assume __builtin_expect.
* m4/builtin-expect.m4, modules/builtin-expect: New files.
* modules/avltreehash-list, modules/fnmatch, modules/glob:
* modules/grantpt, modules/memmem-simple, modules/rbtreehash-list:
* modules/scandir, modules/strstr-simple:
Depend on builtin-expect.
flexmember: port better to GCC + valgrind 2016-09-07T09:02:40+00:00 Paul Eggert eggert@cs.ucla.edu 2016-09-07T09:01:42+00:00 4c32543a4f05706ca3a8c8d583a5fb35d0e58828 With a char[] flexible array member in a struct with nontrivial alignment, GCC-generated code can access past the end of the array, because GCC assumes there are padding bytes to get the struct aligned. So the common idiom of malloc (offsetof (struct s, m), n) does not properly allocate an n-byte trailing member, as malloc’s argument should be the next multiple of alignof (struct s). See GCC Bug#66661: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66661 Although C11 apparently permits this GCC optimization (i.e., there was a bug in Gnulib not in GCC), possibly this is a defect in C11. See the thread containing: https://gcc.gnu.org/ml/gcc-patches/2016-09/msg00317.html * lib/flexmember.h: New file. * lib/fnmatch.c, lib/fts.c, lib/glob.c, lib/idcache.c: * lib/localename.c, lib/time_rz.c: Include flexmember.h. * lib/fnmatch_loop.c (struct patternlist): * lib/localename.c (struct hash_node): Use FLEXIBLE_ARRAY_MEMBER. * lib/fnmatch_loop.c (EXT): * lib/fts.c (fts_alloc): * lib/glob.c (glob_in_dir): * lib/idcache.c (getuser, getuidbyname, getgroup, getgidbyname): * lib/localename.c (gl_lock_define_initialized): * lib/time_rz.c (tzalloc): Use FLEXSIZEOF instead of offsetof. * m4/flexmember.m4 (AC_C_FLEXIBLE_ARRAY_MEMBER): Check that the size of the struct can be taken. * modules/flexmember (Files): Add lib/flexmember.h. * modules/fnmatch, modules/glob, modules/localename (Depends-on): Add flexmember. 
With a char[] flexible array member in a struct with nontrivial
alignment, GCC-generated code can access past the end of the
array, because GCC assumes there are padding bytes to get the
struct aligned.  So the common idiom of malloc (offsetof (struct
s, m), n) does not properly allocate an n-byte trailing member, as
malloc’s argument should be the next multiple of alignof (struct s).
See GCC Bug#66661: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66661
Although C11 apparently permits this GCC optimization (i.e., there
was a bug in Gnulib not in GCC), possibly this is a defect in C11.
See the thread containing:
https://gcc.gnu.org/ml/gcc-patches/2016-09/msg00317.html
* lib/flexmember.h: New file.
* lib/fnmatch.c, lib/fts.c, lib/glob.c, lib/idcache.c:
* lib/localename.c, lib/time_rz.c:
Include flexmember.h.
* lib/fnmatch_loop.c (struct patternlist):
* lib/localename.c (struct hash_node):
Use FLEXIBLE_ARRAY_MEMBER.
* lib/fnmatch_loop.c (EXT):
* lib/fts.c (fts_alloc):
* lib/glob.c (glob_in_dir):
* lib/idcache.c (getuser, getuidbyname, getgroup, getgidbyname):
* lib/localename.c (gl_lock_define_initialized):
* lib/time_rz.c (tzalloc):
Use FLEXSIZEOF instead of offsetof.
* m4/flexmember.m4 (AC_C_FLEXIBLE_ARRAY_MEMBER):
Check that the size of the struct can be taken.
* modules/flexmember (Files): Add lib/flexmember.h.
* modules/fnmatch, modules/glob, modules/localename (Depends-on):
Add flexmember.
glob: merge glibc changes into lib/glob.c 2016-05-04T16:58:45+00:00 Paul Eggert eggert@cs.ucla.edu 2016-05-04T16:57:48+00:00 36cc6c33ade715a844662cefd256f8f8fdd8a05d * lib/glob.c (glob_in_dir): Sync with glibc/posix/glob.c, dated 2016-05-04 12:09:35 2016 +0200. Here are the changes: 2016-05-04 CVE-2016-1234: glob: Do not copy d_name field of struct dirent [BZ #19779] 2016-04-29 glob: Simplify the interface for the GLOB_ALTDIRFUNC callback gl_readdir 2015-10-20 Convert miscellaneous function definitions to prototype style 2015-10-20 Convert 113 more function definitions to prototype style (files with assertions) 2015-06-12 Fix getlogin_r namespace (bug 18527). 2014-02-10 Use glibc_likely instead __builtin_expect. 2013-10-20 When glob pattern contains a trailing slash match only directories. Fixes bug 10278. 2013-09-04 glob: silence -Wattribute warnings 2013-06-07 Avoid use of "register" as optimization hint. 2012-09-25 Use size_t instead of int for internal variables in glob (bug 14621) 2011-07-20 Check for overflows in expressions 2011-05-28 Remove unused variable 2011-05-22 Add a few more alloca size checks 2010-03-27 Whitespace fixes 2010-03-27 Fix one more issue with the glob patch 2010-03-24 Fix glob with empty pattern 2008-05-27 Remove useless more "if" tests before "free" * modules/glob (Depends-on): Add stdint. 
* lib/glob.c (glob_in_dir): Sync with glibc/posix/glob.c,
dated 2016-05-04 12:09:35 2016 +0200.  Here are the changes:
2016-05-04 CVE-2016-1234: glob: Do not copy d_name field of
  struct dirent [BZ #19779]
2016-04-29 glob: Simplify the interface for the GLOB_ALTDIRFUNC
  callback gl_readdir
2015-10-20 Convert miscellaneous function definitions to prototype style
2015-10-20 Convert 113 more function definitions to prototype style
  (files with assertions)
2015-06-12 Fix getlogin_r namespace (bug 18527).
2014-02-10 Use glibc_likely instead __builtin_expect.
2013-10-20 When glob pattern contains a trailing slash match only
  directories. Fixes bug 10278.
2013-09-04 glob: silence -Wattribute warnings
2013-06-07 Avoid use of "register" as optimization hint.
2012-09-25 Use size_t instead of int for internal variables in glob
  (bug 14621)
2011-07-20 Check for overflows in expressions
2011-05-28 Remove unused variable
2011-05-22 Add a few more alloca size checks
2010-03-27 Whitespace fixes
2010-03-27 Fix one more issue with the glob patch
2010-03-24 Fix glob with empty pattern
2008-05-27 Remove useless more "if" tests before "free"
* modules/glob (Depends-on): Add stdint.
Add dependencies to new dirent related modules. 2011-09-17T14:53:15+00:00 Bruno Haible bruno@clisp.org 2011-09-17T14:53:15+00:00 7943c52181dd2ff0e9c02b14c5a504da09db337b * modules/backupfile (Depends-on): Add opendir, readdir, closedir. * modules/fts (Depends-on): Likewise. * modules/glob (Depends-on): Likewise. * modules/savedir (Depends-on): Likewise. * modules/scandir (Depends-on): Likewise. * modules/dirent-safer (Depends-on): Add opendir, closedir. * modules/fdopendir (Depends-on): Add opendir. 
* modules/backupfile (Depends-on): Add opendir, readdir, closedir.
* modules/fts (Depends-on): Likewise.
* modules/glob (Depends-on): Likewise.
* modules/savedir (Depends-on): Likewise.
* modules/scandir (Depends-on): Likewise.
* modules/dirent-safer (Depends-on): Add opendir, closedir.
* modules/fdopendir (Depends-on): Add opendir.
Add dependencies to the 'largefile' module. 2011-07-26T00:50:07+00:00 Paul Eggert eggert@cs.ucla.edu 2011-07-26T00:48:03+00:00 599a664564268f6a1b5895c928a59459c9851b2a * modules/fopen (Depends-on): Add 'largefile'. * modules/freopen (Depends-on): Likewise. * modules/fseeko (Depends-on): Likewise. * modules/ftello (Depends-on): Likewise. * modules/glob (Depends-on): Likewise. * modules/lseek (Depends-on): Likewise. * modules/lstat (Depends-on): Likewise. * modules/mkostemp (Depends-on): Likewise. * modules/mkostemps (Depends-on): Likewise. * modules/mkstemp (Depends-on): Likewise. * modules/mkstemps (Depends-on): Likewise. * modules/open (Depends-on): Likewise. * modules/openat (Depends-on): Likewise. * modules/pread (Depends-on): Likewise. * modules/pwrite (Depends-on): Likewise. * modules/scandir (Depends-on): Likewise. * modules/stat (Depends-on): Likewise. * modules/tmpfile (Depends-on): Likewise. * m4/mkstemp.m4 (gl_FUNC_MKSTEMP): Do not require AC_SYS_LARGEFILE, since the containing module now depends on the largefile module. * m4/tempname.m4 (gl_FUNC_GEN_TEMPNAME): Likewise. * doc/posix-functions/fopen.texi: Mention that the problem of 32-bit off_t is fixed by gnulib. * doc/posix-functions/freopen.texi: Likewise. * doc/posix-functions/fseeko.texi: Likewise. * doc/posix-functions/fstatat.texi: Likewise. * doc/posix-functions/ftello.texi: Likewise. * doc/posix-functions/glob.texi: Likewise. * doc/posix-functions/lseek.texi: Likewise. * doc/posix-functions/lstat.texi: Likewise. * doc/posix-functions/mkstemp.texi: Likewise. * doc/posix-functions/open.texi: Likewise. * doc/posix-functions/openat.texi: Likewise. * doc/posix-functions/pread.texi: Likewise. * doc/posix-functions/pwrite.texi: Likewise. * doc/posix-functions/scandir.texi: Likewise. * doc/posix-functions/stat.texi: Likewise. * doc/posix-functions/tmpfile.texi: Likewise. * doc/glibc-functions/mkostemp.texi: Likewise. * doc/glibc-functions/mkostemps.texi: Likewise. * doc/glibc-functions/mkstemps.texi: Likewise. 
* modules/fopen (Depends-on): Add 'largefile'.
* modules/freopen (Depends-on): Likewise.
* modules/fseeko (Depends-on): Likewise.
* modules/ftello (Depends-on): Likewise.
* modules/glob (Depends-on): Likewise.
* modules/lseek (Depends-on): Likewise.
* modules/lstat (Depends-on): Likewise.
* modules/mkostemp (Depends-on): Likewise.
* modules/mkostemps (Depends-on): Likewise.
* modules/mkstemp (Depends-on): Likewise.
* modules/mkstemps (Depends-on): Likewise.
* modules/open (Depends-on): Likewise.
* modules/openat (Depends-on): Likewise.
* modules/pread (Depends-on): Likewise.
* modules/pwrite (Depends-on): Likewise.
* modules/scandir (Depends-on): Likewise.
* modules/stat (Depends-on): Likewise.
* modules/tmpfile (Depends-on): Likewise.
* m4/mkstemp.m4 (gl_FUNC_MKSTEMP): Do not require AC_SYS_LARGEFILE,
since the containing module now depends on the largefile module.
* m4/tempname.m4 (gl_FUNC_GEN_TEMPNAME): Likewise.
* doc/posix-functions/fopen.texi: Mention that the problem of 32-bit
off_t is fixed by gnulib.
* doc/posix-functions/freopen.texi: Likewise.
* doc/posix-functions/fseeko.texi: Likewise.
* doc/posix-functions/fstatat.texi: Likewise.
* doc/posix-functions/ftello.texi: Likewise.
* doc/posix-functions/glob.texi: Likewise.
* doc/posix-functions/lseek.texi: Likewise.
* doc/posix-functions/lstat.texi: Likewise.
* doc/posix-functions/mkstemp.texi: Likewise.
* doc/posix-functions/open.texi: Likewise.
* doc/posix-functions/openat.texi: Likewise.
* doc/posix-functions/pread.texi: Likewise.
* doc/posix-functions/pwrite.texi: Likewise.
* doc/posix-functions/scandir.texi: Likewise.
* doc/posix-functions/stat.texi: Likewise.
* doc/posix-functions/tmpfile.texi: Likewise.
* doc/glibc-functions/mkostemp.texi: Likewise.
* doc/glibc-functions/mkostemps.texi: Likewise.
* doc/glibc-functions/mkstemps.texi: Likewise.