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3 years agoPut LGPLv2+ notices in source files where appropriate.
Bruno Haible [Fri, 4 Jun 2021 18:55:41 +0000 (20:55 +0200)]
Put LGPLv2+ notices in source files where appropriate.

* lib/**.{h,c,gperf}: Use LGPLv2+ notice whenever the module description
says so.

3 years agoPut "unlimited" notices in source files where appropriate.
Bruno Haible [Fri, 4 Jun 2021 18:55:39 +0000 (20:55 +0200)]
Put "unlimited" notices in source files where appropriate.

* build-aux/prefix-gnulib-mk: Use "unlimited" notice, since the module
description says so.

3 years agoPut public domain notices in source files where appropriate.
Bruno Haible [Fri, 4 Jun 2021 18:55:35 +0000 (20:55 +0200)]
Put public domain notices in source files where appropriate.

* lib/{alloca.c,atexit.c,memmove.c}: Use public domain notice.

3 years agoRevamp check-copyright script.
Bruno Haible [Fri, 4 Jun 2021 18:49:16 +0000 (20:49 +0200)]
Revamp check-copyright script.

* check-copyright: Search only the first 50 lines of each file.
Recognize 'LGPLv3+ or GPLv2+', 'unlimited', and 'public domain' license
notices. For files that are part of several modules, consider the
weakest among the licenses. Allocate more room for the first output
column.

3 years agognupload, git-merge-changelog: Fix module description.
Bruno Haible [Fri, 4 Jun 2021 18:42:44 +0000 (20:42 +0200)]
gnupload, git-merge-changelog: Fix module description.

* gnulib-tool (func_import, func_create_testdir): Treat
'GPLv2+ build tool' like 'GPLed build tool'.
* pygnulib/GLImport.py (prepare): Likewise.
* modules/gnupload (License): Change to 'GPLv2+ build tool'.
* modules/git-merge-changelog (License): Change to GPLv2+.

3 years agoNew directory with license notices.
Bruno Haible [Fri, 4 Jun 2021 18:03:22 +0000 (20:03 +0200)]
New directory with license notices.

* etc/license-notices/*: New files.

3 years agoreallocarray-tests: port to weird platforms
Paul Eggert [Sun, 30 May 2021 17:04:06 +0000 (10:04 -0700)]
reallocarray-tests: port to weird platforms

* tests/test-reallocarray.c (main): Don’t assume that
PTRDIFF_MAX / 2 + 1 <= SIZE_MAX.  POSIX allows platforms
where this isn’t true, though I don’t know of any examples.

3 years agodfa, etc.: prefer xreallocarray to older name
Paul Eggert [Sun, 30 May 2021 17:02:20 +0000 (10:02 -0700)]
dfa, etc.: prefer xreallocarray to older name

* lib/dfa.c (addtok_mb, realloc_trans_if_necessary, enlist):
* lib/readtokens.c (readtokens):
* tests/uninorm/test-u32-normalize-big.c:
(read_normalization_test_file):
Prefer xreallocarray to the equivalent xnrealloc.
The newer name follows the glibc lead of ‘reallocarray’.

3 years agoWrite 'LGPLv3+ or GPLv2+' instead of 'LGPLv3+ or GPLv2'.
Bruno Haible [Sun, 30 May 2021 12:37:06 +0000 (14:37 +0200)]
Write 'LGPLv3+ or GPLv2+' instead of 'LGPLv3+ or GPLv2'.

* modules/* (License): Change.
* gnulib-tool (func_import, func_create_testdir): Likewise.

3 years ago* stackvma.c: Fix misspelled comment.
Paul Eggert [Sat, 29 May 2021 17:19:30 +0000 (10:19 -0700)]
* stackvma.c: Fix misspelled comment.

3 years agosigsegv: Port to Solaris 11
Paul Eggert [Sat, 29 May 2021 17:14:01 +0000 (10:14 -0700)]
sigsegv: Port to Solaris 11

Problem reported by Kiyoshi KANAZAWA in:
https://lists.gnu.org/r/bug-m4/2021-05/msg00020.html
* lib/stackvma.c (_FILE_OFFSET_BITS): #undef on Solaris and Android.

3 years agoautoupdate
Karl Berry [Tue, 25 May 2021 22:05:09 +0000 (15:05 -0700)]
autoupdate

3 years agoc-stack: Document another restriction.
Bruno Haible [Mon, 24 May 2021 10:32:25 +0000 (12:32 +0200)]
c-stack: Document another restriction.

Triggered by a discussion with Paul Eggert.

* lib/c-stack.h: Mention that ACTION should not use nested functions.

3 years agostdio: Fix compilation error on DragonFly BSD.
Bruno Haible [Sat, 22 May 2021 20:14:28 +0000 (22:14 +0200)]
stdio: Fix compilation error on DragonFly BSD.

* lib/stdio.in.h (fcloseall): Treat DragonFly BSD like FreeBSD.

3 years agogetprogname: port to Tru64
Larkin Nickle [Sat, 22 May 2021 19:17:50 +0000 (12:17 -0700)]
getprogname: port to Tru64

* lib/getprogname.c: Treat __osf__ like __sgi, except
with /proc/123 instead of /proc/pinfo/123.

3 years agosigsegv: don’t assume SIGSTKSZ is a constant
Paul Eggert [Fri, 21 May 2021 21:41:42 +0000 (14:41 -0700)]
sigsegv: don’t assume SIGSTKSZ is a constant

* m4/sigaltstack.m4 (SV_SIGALTSTACK): Don’t attempt to override
SIGSTKSZ.  Instead, use an array that is plenty large, while
checking that it’s large enough.  Also, be consistent about
putting that array in static storage rather than on the stack.
* tests/altstack-util.h (SIGSTKSZ): Don’t define.
(MYSTACK_SIZE): New macro, used consistently instead of SIGSTKSZ.
(mystack_storage, mystack): Now static.
(prepare_alternate_stack) [defined SIGSTKSZ]:
Check that MYSTACK_SIZE is large enough.

3 years agofstatat: doc improvement
Paul Eggert [Thu, 20 May 2021 18:24:52 +0000 (11:24 -0700)]
fstatat: doc improvement

* doc/posix-functions/fstatat.texi (fstatat):
Mention AT_EMPTY_PATH when talking about empty strings.

3 years agoc-stack: Support catching stack overflow on most platforms without libsigsegv.
Bruno Haible [Mon, 17 May 2021 01:36:35 +0000 (03:36 +0200)]
c-stack: Support catching stack overflow on most platforms without libsigsegv.

* lib/c-stack.c: Remove all Solaris-specific code. Include <sigsegv.h>
always.
* m4/c-stack.m4: Remove all Solaris-specific code.
(gl_C_STACK): Test $with_libsigsegv from module 'sigsegv'.
* modules/c-stack (Files): Remove m4/libsigsegv.m4.
(Depends-on): Add sigsegv. Remove havelib, intprops, inttypes, mempcpy,
sigaction, stdbool.

3 years agosigsegv, c-stack: Avoid compilation error with glibc >= 2.34.
Bruno Haible [Mon, 17 May 2021 00:13:12 +0000 (02:13 +0200)]
sigsegv, c-stack: Avoid compilation error with glibc >= 2.34.

* lib/sigsegv.in.h (SIGSTKSZ): On glibc systems, redefine to a suitable
constant.
* m4/sigaltstack.m4 (SV_SIGALTSTACK): Likewise.
* m4/c-stack.m4 (AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC): Likewise.

3 years agosigsegv: Add tests.
Bruno Haible [Sun, 16 May 2021 16:29:48 +0000 (18:29 +0200)]
sigsegv: Add tests.

* tests/test-sigsegv-catch-segv1.c: New file, from GNU libsigsegv with
modifications.
* tests/test-sigsegv-catch-segv2.c: Likewise.
* tests/test-sigsegv-catch-stackoverflow1.c: Likewise.
* tests/test-sigsegv-catch-stackoverflow2.c: Likewise.
* tests/altstack-util.h: Likewise.
* tests/mmap-anon-util.h: Likewise.
* modules/sigsegv-tests: New file.

3 years agosigsegv: New module.
Bruno Haible [Sun, 16 May 2021 13:20:12 +0000 (15:20 +0200)]
sigsegv: New module.

* lib/sigsegv.in.h: New file, from GNU libsigsegv with modifications.
* lib/sigsegv.c: Likewise.
* lib/stackvma.h: Likewise.
* lib/stackvma.c: Likewise.
* m4/sigaltstack.m4: Likewise.
* m4/stack-direction.m4: Likewise.
* modules/sigsegv: New file.

3 years agorealloc-gnu: avoid glibc MALLOC_CHECK_ issue
Pádraig Brady [Sat, 15 May 2021 16:50:33 +0000 (17:50 +0100)]
realloc-gnu: avoid glibc MALLOC_CHECK_ issue

* tests/test-realloc-gnu.c (main): if MALLOC_CHECK_ env var
is set then don't check ENOMEM is returned from realloc().
See https://sourceware.org/bugzilla/show_bug.cgi?id=27870
Note it doesn't suffice to unsetenv() this var within the program,
as the hooks have already been set up at that stage.

3 years agoc-stack: work around Solaris 11 bugs
Paul Eggert [Sat, 15 May 2021 05:48:20 +0000 (22:48 -0700)]
c-stack: work around Solaris 11 bugs

Problem reported by Bruno Haible in:
https://lists.gnu.org/r/bug-gnulib/2021-05/msg00062.html
* lib/c-stack.c: Always include sigsegv.h if HAVE_LIBSIGSEGV.
(USE_LIBSIGSEGV): Do not use libsigsegv if the kernel
has the si_addr bug and libsigsegv is too old to work
around it.
(segv_handler) [!USE_LIBSIGSEGV]: Do not trust si_addr
if BOGUS_SI_ADDR_UPON_STACK_OVERFLOW.
* m4/c-stack.m4 (AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC):
Define BOGUS_SI_ADDR_UPON_STACK_OVERFLOW on Solaris 2.11 SPARC.
And do not define HAVE_XSI_STACK_OVERFLOW_HEURISTIC.

3 years agofcntl tests: Avoid failure in MacPorts.
Bruno Haible [Fri, 14 May 2021 21:50:52 +0000 (23:50 +0200)]
fcntl tests: Avoid failure in MacPorts.

Reported by Nicholas Gaya <nicholasgaya@gmail.com> in
<https://lists.gnu.org/archive/html/bug-gnulib/2021-05/msg00014.html>.

* tests/test-fcntl.c (main): Close fd 10 before assuming that it is
closed.
* tests/test-execute-main.c: Update comment.

3 years agolinked-list-unportable-test: New module.
Bruno Haible [Fri, 14 May 2021 21:32:08 +0000 (23:32 +0200)]
linked-list-unportable-test: New module.

* modules/linked-list-unportable-tests: New file, based on
modules/linked-list-tests.
* modules/linked-list-tests: Remove the unportable tests from here.
Depend on linked-list-unportable-tests.

3 years agovalgrind-tests: Doc fix and introduce AM_VALGRINDFLAGS.
Simon Josefsson [Fri, 14 May 2021 17:23:23 +0000 (19:23 +0200)]
valgrind-tests: Doc fix and introduce AM_VALGRINDFLAGS.

* doc/valgrind-tests.texi (Using valgrind automatically): Clarify
when the parallel vs serial test harness is used, suggested by
Bruno Haible <bruno@clisp.org>.
* m4/valgrind-tests.m4: Add VALGRIND_PROGRAM and AM_VALGRINDFLAGS.

3 years agomalloc-gnu, realloc-gnu, calloc-gnu: Ensure errno gets set to ENOMEM.
Bruno Haible [Fri, 14 May 2021 17:04:05 +0000 (19:04 +0200)]
malloc-gnu, realloc-gnu, calloc-gnu: Ensure errno gets set to ENOMEM.

* m4/malloc.m4 (gl_CHECK_MALLOC_POSIX): Set gl_cv_func_malloc_posix to
'no' also on Solaris.

3 years agoDEPENDENCIES: Mention the requirement for 'join'.
Bruno Haible [Fri, 14 May 2021 16:05:22 +0000 (18:05 +0200)]
DEPENDENCIES: Mention the requirement for 'join'.

Reported by Simon Josefsson <simon@josefsson.org> in
<https://lists.gnu.org/archive/html/bug-gnulib/2021-05/msg00047.html>.

* DEPENDENCIES: Mention 'join' among the core POSIX utilities.

3 years ago*alloc-gnu tests: Use ASSERT macro.
Bruno Haible [Fri, 14 May 2021 13:35:24 +0000 (15:35 +0200)]
*alloc-gnu tests: Use ASSERT macro.

* tests/test-malloc-gnu.c: Include "macros.h".
(main): Use ASSERT.
* tests/test-calloc-gnu.c: Include "macros.h".
(main): Use ASSERT.
* tests/test-realloc-gnu.c: Include "macros.h".
(main): Use ASSERT.
* tests/test-reallocarray.c: Include "macros.h".
(main): Use ASSERT.
* modules/malloc-gnu-tests (Files): Add tests/macros.h.
* modules/calloc-gnu-tests (Files): Likewise.
* modules/realloc-gnu-tests (Files): Likewise.
* modules/reallocarray-tests (Files): Likewise.

3 years agovalgrind-tests: Fix 'sh: yes: unknown operand' error.
Simon Josefsson [Fri, 14 May 2021 13:22:02 +0000 (15:22 +0200)]
valgrind-tests: Fix 'sh: yes: unknown operand' error.

* m4/valgrind-tests.m4: Protect variable usage.

3 years agovalgrind-tests: Fix LOG_VALGRIND when valgrind is missing.
Simon Josefsson [Fri, 14 May 2021 13:03:25 +0000 (15:03 +0200)]
valgrind-tests: Fix LOG_VALGRIND when valgrind is missing.

* m4/valgrind-tests.m4: Clear all variables when missing.

3 years agovalgrind-tests: Better option handling.
Simon Josefsson [Fri, 14 May 2021 12:17:20 +0000 (14:17 +0200)]
valgrind-tests: Better option handling.

* m4/valgrind-tests.m4: Support new variables VALGRINDFLAGS and
DEFAULT_VALGRINDFLAGS.
* doc/valgrind-tests.texi (Running self-tests under valgrind): Improve.

3 years agowindows-spawn: Don't assume that UNICODE is not defined.
Markus Mützel [Thu, 6 May 2021 13:20:30 +0000 (15:20 +0200)]
windows-spawn: Don't assume that UNICODE is not defined.

* lib/windows-spawn.h (compose_handles_block): Use type STARTUPINFOA.

3 years agogetrandom: Produce a better error code.
Bruno Haible [Thu, 13 May 2021 19:33:55 +0000 (21:33 +0200)]
getrandom: Produce a better error code.

Reported by Paul Eggert in
<https://lists.gnu.org/archive/html/bug-gnulib/2021-05/msg00025.html>.

* lib/getrandom.c (getrandom): When open() fails with an error that does
not indicate the absence of the file, fail with that error code, not
with ENOSYS.

3 years agofstatat: Document a glibc 2.7 bug.
Bruno Haible [Thu, 13 May 2021 19:23:09 +0000 (21:23 +0200)]
fstatat: Document a glibc 2.7 bug.

* doc/posix-functions/fstatat.texi: Document an old glibc 2.7 bug.

3 years agoposix_spawn, posix_spawnp: Fix build error on Minix 3.3.
Bruno Haible [Thu, 13 May 2021 13:48:38 +0000 (15:48 +0200)]
posix_spawn, posix_spawnp: Fix build error on Minix 3.3.

* m4/posix_spawn.m4 (gl_POSIX_SPAWN_BODY): If posix_spawn does not exist
but is declared, set REPLACE_POSIX_SPAWN.
* doc/posix-functions/posix_spawn.texi: Update platforms list.
* doc/posix-functions/posix_spawnp.texi: Likewise.

3 years agoreallocarray tests: Avoid test failure on NetBSD.
Bruno Haible [Thu, 13 May 2021 10:11:04 +0000 (12:11 +0200)]
reallocarray tests: Avoid test failure on NetBSD.

* tests/test-reallocarray.c (main): Accept EOVERFLOW error code.

3 years agognulib-tool: Fail properly if the 'join' program is not found.
Bruno Haible [Wed, 12 May 2021 10:35:21 +0000 (12:35 +0200)]
gnulib-tool: Fail properly if the 'join' program is not found.

Reported by Simon Josefsson <simon@josefsson.org> in
<https://lists.gnu.org/archive/html/bug-gnulib/2021-05/msg00029.html>.

* gnulib-tool: Bail out early of the 'join' program is not found.

3 years ago{realloc,calloc}-gnu: Fix autoconf macro (regression 2021-04-18).
Bruno Haible [Sun, 9 May 2021 22:59:21 +0000 (00:59 +0200)]
{realloc,calloc}-gnu: Fix autoconf macro (regression 2021-04-18).

* m4/realloc.m4 (gl_FUNC_REALLOC_POSIX): Don't reset REPLACE_REALLOC
to 0 if it is already 1 after gl_FUNC_REALLOC_GNU was executed.
* m4/calloc.m4 (gl_FUNC_CALLOC_POSIX): Don't reset REPLACE_CALLOC
to 0 if it is already 1 after gl_FUNC_CALLOC_GNU was executed.

3 years ago{malloc,realloc,calloc}-gnu: Fix autoconf macro (regression 2021-04-18).
Bruno Haible [Sun, 9 May 2021 20:10:40 +0000 (22:10 +0200)]
{malloc,realloc,calloc}-gnu: Fix autoconf macro (regression 2021-04-18).

* m4/malloc.m4 (gl_FUNC_MALLOC_GNU): Don't assume that
_AC_FUNC_MALLOC_IF expands to a single shell statement.
* m4/realloc.m4 (gl_FUNC_REALLOC_GNU): Don't assume that
_AC_FUNC_REALLOC_IF expands to a single shell statement.
* m4/calloc.m4 (gl_FUNC_CALLOC_GNU): Don't assume that
_AC_FUNC_CALLOC_IF expands to a single shell statement.

3 years agomalloc-gnu, realloc-gnu, calloc-gnu: Ensure errno gets set on IRIX.
Bruno Haible [Sun, 9 May 2021 16:36:41 +0000 (18:36 +0200)]
malloc-gnu, realloc-gnu, calloc-gnu: Ensure errno gets set on IRIX.

* m4/malloc.m4 (gl_CHECK_MALLOC_POSIX): Require AC_CANONICAL_HOST. Set
gl_cv_func_malloc_posix to 'no' also on IRIX.

3 years agomalloc-gnu, realloc-gnu, calloc-gnu tests: Verify errno is set.
Bruno Haible [Sun, 9 May 2021 16:34:58 +0000 (18:34 +0200)]
malloc-gnu, realloc-gnu, calloc-gnu tests: Verify errno is set.

* tests/test-malloc-gnu.c: Include <errno.h>.
(main): Verify that, when an allocation larger than PTRDIFF_MAX failed,
errno is ENOMEM.
* tests/test-realloc-gnu.c: Likewise.
* tests/test-calloc-gnu.c: Likewise.

3 years agogetrandom: Fail with ENOSYS when the system has no randomness source.
Bruno Haible [Sun, 9 May 2021 14:51:10 +0000 (16:51 +0200)]
getrandom: Fail with ENOSYS when the system has no randomness source.

* lib/getrandom.c (getrandom): When open() fails, set errno to ENOSYS.

3 years agofree tests: Avoid test failure on glibc < 2.15.
Bruno Haible [Sun, 9 May 2021 13:45:03 +0000 (15:45 +0200)]
free tests: Avoid test failure on glibc < 2.15.

* tests/test-free.c (main): Skip the hairy test on glibc < 2.15.

3 years agoFix build error when libintl is installed.
Bruno Haible [Sun, 9 May 2021 02:19:48 +0000 (04:19 +0200)]
Fix build error when libintl is installed.

* modules/posix_spawn_file_actions_addchdir-tests (Makefile.am): Link
test-posix_spawn-chdir with libintl.
* modules/posix_spawn_file_actions_addfchdir-tests (Makefile.am): Link
test-posix_spawn-fchdir with libintl.

4 years agoFix build when an older libunistring is installed (regr. 2020-02-23).
Bruno Haible [Fri, 7 May 2021 10:51:47 +0000 (12:51 +0200)]
Fix build when an older libunistring is installed (regr. 2020-02-23).

* modules/unitypes (configure.ac): Arrange to generate the .h file if
the installed one is from a version < 0.9.11.
* modules/unicase/base (configure.ac): Likewise.
* modules/uniconv/base (configure.ac): Likewise.
* modules/unilbrk/base (configure.ac): Likewise.
* modules/uninorm/base (configure.ac): Likewise.
* modules/unistdio/base (configure.ac): Likewise.
* modules/unistr/base (configure.ac): Likewise.
* modules/uniwbrk/base (configure.ac): Likewise.
* modules/uniwidth/base (configure.ac): Likewise.
* modules/unictype/base (configure.ac): Arrange to generate the .h file
if the installed one is from a version < 0.9.8.
* modules/unigbrk/base (configure.ac): Likewise.

4 years agoautoupdate
Karl Berry [Thu, 6 May 2021 16:09:34 +0000 (09:09 -0700)]
autoupdate

4 years agoimmutable: Fix crash when immmalloc() fails.
Bruno Haible [Fri, 30 Apr 2021 23:13:47 +0000 (01:13 +0200)]
immutable: Fix crash when immmalloc() fails.

Found by GCC 11 '-fanalyzer'.

* lib/immutable.c (immstrdup): Don't crash when immmalloc() fails.

4 years agosupersede: Fix crash when malloc() fails.
Bruno Haible [Fri, 30 Apr 2021 23:03:41 +0000 (01:03 +0200)]
supersede: Fix crash when malloc() fails.

Found by GCC 11 '-fanalyzer'.

* lib/supersede.c (create_temp_file): Don't crash when malloc() fails.

4 years agolibc-config: fix include problem on older Debian
Paul Eggert [Tue, 27 Apr 2021 18:23:28 +0000 (11:23 -0700)]
libc-config: fix include problem on older Debian

https://lists.gnu.org/r/bug-gnulib/2021-04/msg00198.html
* lib/cdefs.h: Use __GNULIB_CDEFS, not __GLIBC__,
to determine whether to include the bits/* files.
* lib/libc-config.h (__WORDSIZE): Remove.
(__GNULIB_CDEFS): New macro.

4 years agognulib-tool: port better to current Autoconf
Paul Eggert [Tue, 27 Apr 2021 06:31:29 +0000 (23:31 -0700)]
gnulib-tool: port better to current Autoconf

* doc/gnulib-tool.texi (Initial import): Don’t mention
AC_PROG_CC_STDC as it’s deprecated in current Autoconf.
* gnulib-tool (func_done_dir): Suggest replacing
AC_PROG_CC_STDC and AC_PROG_CC_C99, as per current Autoconf.

4 years agoreallocarray: a bit more tuning
Paul Eggert [Mon, 26 Apr 2021 06:11:15 +0000 (23:11 -0700)]
reallocarray: a bit more tuning

* lib/reallocarray.c: Include intprops.h.
(reallocarray): Use INT_MULTIPLY_WRAPV instead of
xalloc_oversized, as it now suffices and is likely a bit more
efficient (five fewer machine insns on Ubuntu 20.10 x86-64).
* modules/reallocarray (Depends-on): Depend on intprops, not
xalloc-oversized.  Use conditional dependencies to avoid building
realloc-gnu when not needed.

4 years agoreallocarray: don’t crash if item size is 0
Paul Eggert [Mon, 26 Apr 2021 01:24:42 +0000 (18:24 -0700)]
reallocarray: don’t crash if item size is 0

This problem affects only platforms where xalloc_oversized
divides a number by the size arg.  Fix this by defining
xalloc_oversized (n, s) to work even if s == 0.
* lib/malloca.h, lib/xalloc-oversized.h: Document new behavior.
* lib/xalloc-oversized.h (__xalloc_oversized): Do not crash if S==0.
* tests/test-reallocarray.c (main): Test for the bug.

4 years agoFix messed-up previous patch
Paul Eggert [Sun, 25 Apr 2021 01:17:45 +0000 (18:17 -0700)]
Fix messed-up previous patch

4 years agoxmalloca, etc.: avoid unlikely trap
Paul Eggert [Sun, 25 Apr 2021 01:13:40 +0000 (18:13 -0700)]
xmalloca, etc.: avoid unlikely trap

* lib/xmalloca.h (xnmalloca):
Use size_t, not ptrdiff_t, to avoid implementation-defined
behavior (which could include a trap) if N is 0 and S exceeds
PTRDIFF_MAX.
* lib/xalloc-oversized.h: Adjust comment to match.

4 years agoxmalloca, etc.: fix some xalloc-oversized issues
Paul Eggert [Sun, 25 Apr 2021 00:59:53 +0000 (17:59 -0700)]
xmalloca, etc.: fix some xalloc-oversized issues

* lib/malloca.h (nmalloca):
* lib/xmalloca.h (xnmalloca): Convert S to ptrdiff_t to avoid
arithmetic overflow if N and S are both narrower than ptrdiff_t.
* lib/xalloc-oversized.h (xalloc_oversized):
Don’t say that args must be ptrdiff_t or size_t or wider.
The macro returns the correct answer even when that is not
the case, and it’s the caller’s responsibility to avoid
howlers like (xalloc_oversized (n, s) ? NULL : malloc (n * s))
when N and S are both narrower than ptrdiff_t and size_t.
Add a comment to that effect.
* lib/xmalloca.h: Include xalloc-oversized.h, since this file uses
xalloc_oversized.  Add comments about side effects and avoid
unnecessary parens.
* modules/xmalloca (Depends-on): Add xalloc-oversized.

4 years agoreallocarray: check for ptrdiff_t overflow
Paul Eggert [Sat, 24 Apr 2021 17:45:45 +0000 (10:45 -0700)]
reallocarray: check for ptrdiff_t overflow

* doc/glibc-functions/reallocarray.texi (reallocarray):
Mention ptrdiff_t overflow.
* lib/reallocarray.c (reallocarray): Reindent as per usual GNU.
* lib/stdlib.in.h (reallocarray): Allow reallocarray to be replaced.
* m4/reallocarray.m4 (gl_FUNC_REALLOCARRAY):
Check for ptrdiff_t overflow.
* m4/stdlib_h.m4 (gl_STDLIB_H_DEFAULTS): Set up REPLACE_REALLOCARRAY.
* modules/reallocarray (Files): Add malloc.m4.
(configure.ac): Also test REPLACE_REALLOCARRAY.
* modules/reallocarray-tests (Depends-on): Add stdint.
* modules/stdlib (stdlib.h): Substitute REPLACE_REALLOCARRAY.
* tests/test-reallocarray.c: Include stdint.h.
(main): Check for ptrdiff_t overflow.

4 years agocalloc-gnu-tests: add overflow tests
Paul Eggert [Sat, 24 Apr 2021 17:12:15 +0000 (10:12 -0700)]
calloc-gnu-tests: add overflow tests

* tests/test-calloc-gnu.c (identity): New function, replacing ‘eight’.
(main): Do 2 * log2(SIZE_MAX) tests instead of just two tests.
Don’t bother to free on failure.

4 years ago* ChangeLog: Fix thinko.
Paul Eggert [Thu, 22 Apr 2021 19:35:57 +0000 (12:35 -0700)]
* ChangeLog: Fix thinko.

4 years agolibc-config: port better to Fedora Rawhide
Paul Eggert [Thu, 22 Apr 2021 19:29:49 +0000 (12:29 -0700)]
libc-config: port better to Fedora Rawhide

Problem reported by Eric Blake in:
https://lists.gnu.org/r/bug-gnulib/2021-04/msg00181.html
* lib/cdefs.h: Make this closer to glibc, so that we can
merge Gnulib into glibc here.
(__attribute_maybe_unused__): Make identical to glibc’s
definition, though with an additional comment.
(__attribute_nonnull__): Add clarifying comment.
Make inclusion of bits/wordsize.h, bits/long-double.h
dependent on __GLIBC__, not on !__WORDSIZE.
* lib/libc-config.h: Use __attribute_nonnull__,
not __attribute_maybe_unused__, to detect whether
to include sys/cdefs.h.

4 years agorealloc: port to AIX 7.1
Paul Eggert [Wed, 21 Apr 2021 18:10:06 +0000 (11:10 -0700)]
realloc: port to AIX 7.1

* lib/realloc.c (_GL_USE_STDLIB_ALLOC): Do not define.  This
module relies on GNU malloc.  This fixes a test failure on AIX 7.1.

4 years agomalloc: simplify
Paul Eggert [Wed, 21 Apr 2021 18:09:01 +0000 (11:09 -0700)]
malloc: simplify

* lib/malloc.c: Omit unnecessary "#undef malloc".
I recently introduced it by mistake.  This module defines
_GL_USE_STDLIB_ALLOC and so malloc isn’t redefined to rpl_malloc.

4 years agomalloca: avoid ptrdiff_t overflow
Paul Eggert [Wed, 21 Apr 2021 18:07:18 +0000 (11:07 -0700)]
malloca: avoid ptrdiff_t overflow

* lib/malloca.c: Include idx.h, intprops.h.
(mmalloca): Check for ptrdiff_t overflow.  Since this module uses
_GL_USE_STDLIB_ALLOC, it cannot assume GNU malloc semantics.
* modules/malloca (Depends-on): Add idx, intprops.

4 years agocareadlinkat: avoid ptrdiff_t overflow
Paul Eggert [Wed, 21 Apr 2021 18:03:39 +0000 (11:03 -0700)]
careadlinkat: avoid ptrdiff_t overflow

* lib/careadlinkat.c: Include idx.h, minmax.h.
(readlink_stk): Avoid ptrdiff_t overflow in object allocation.
Since this module uses arbitrary allocators (including
stdlib_allocator), it cannot assume GNU malloc semantics.
* modules/careadlinkat (Depends-on): Add idx, minmax.

4 years agoexecute-tests: pacify compiler
Paul Eggert [Wed, 21 Apr 2021 17:13:50 +0000 (10:13 -0700)]
execute-tests: pacify compiler

* tests/test-execute-main.c (main): Use 0x7DEADBEE rather than
0xDEADBEEF for nonces, to avoid provoking AIX XLC compiler warning
that the latter is out of int range.

4 years agomalloc-gnu-tests, etc.: use volatile for clang
Paul Eggert [Wed, 21 Apr 2021 00:11:51 +0000 (17:11 -0700)]
malloc-gnu-tests, etc.: use volatile for clang

In some more test locations, store the result of malloc etc. into
a volatile pointer so that clang doesn’t optimize away the malloc
and thus bypass the test.  This fixes a malloc-gnu test failure on
macOS 11.2.3 with clang 12.0.0 on ARM.
* tests/test-alloca-opt.c (do_allocation):
* tests/test-malloc-gnu.c (main):
* tests/test-malloca.c (do_allocation):
* tests/test-realloc-gnu.c (main):
* tests/test-reallocarray.c (main):
* tests/test-aligned-malloc.c (main):
* tests/test-aligned_alloc.c (main):
Store malloc etc. results into a volatile pointer.

4 years agomalloc-gnu-tests: pacify -Walloc-size-larger-than
Paul Eggert [Mon, 19 Apr 2021 04:18:00 +0000 (21:18 -0700)]
malloc-gnu-tests: pacify -Walloc-size-larger-than

* tests/test-malloc-gnu.c (main):
* tests/test-realloc-gnu.c (main): Hide true intentions from GCC,
to prevent diagnostics like “warning: argument 1 value
9223372036854775808’ exceeds maximum object size
9223372036854775807 [-Walloc-size-larger-than=]”.

4 years agosafe-alloc: fix pointer implementation
Paul Eggert [Mon, 19 Apr 2021 03:50:55 +0000 (20:50 -0700)]
safe-alloc: fix pointer implementation

The old implementation assumed that all pointers use the same
internal representation, but the C standard doesn’t guarantee
this.  Use void * (pointer) not void ** (pointer-to-pointer) for
the internal functions’ API.  The internal functions now return
NULL if and only if they failed, and the macros translate that
into -1 or 0 to satisfy the existing API.
* doc/safe-alloc.texi (Safe Allocation Macros): Mention overflow.
* lib/safe-alloc.c: Major rewrite.  Now this simply
defines SAFE_ALLOC_INLINE and includes safe-alloc.h.
* lib/safe-alloc.h: Include stddef.h, not stdlib.h.
(SAFE_ALLOC_INLINE): New macro; use Gnulib inline function style.
(safe_alloc_realloc_n): New API, which passes and returns
the pointer, and which returns NULL if and only if failure occurs.
(safe_alloc_check): New function.
(ALLOC, ALLOC_N, ALLOC_N_UNINITIALIZED, REALLOC_N):
Redo using the new API for internal functions, and using calloc
which is good enough since it’s GNU-compatible now.
(FREE): Expand to an expression rather than merely to something
that needs a following ‘;’ to become a statement.
* modules/safe-alloc (Depends-on): Add calloc-gnu.

4 years agocalloc-gnu: now LGPLv2+
Paul Eggert [Mon, 19 Apr 2021 03:52:29 +0000 (20:52 -0700)]
calloc-gnu: now LGPLv2+

* modules/calloc-gnu (License): Change from GPL to LGPLv2+.
The old value was evidently a longstanding typo, and calloc
will be needed by LGPLv2+ modules that will want to rely
on GNU behavior.

4 years agosafe-alloc: simplify via reallocarray
Paul Eggert [Sun, 18 Apr 2021 23:53:11 +0000 (16:53 -0700)]
safe-alloc: simplify via reallocarray

* lib/safe-alloc.c: Do not include xalloc-oversized.h.
(safe_alloc_alloc_n, safe_alloc_realloc_n):
Use reallocarray to check for size or ptrdiff_t overflow.
* modules/reallocarray (License): Switch from LGPL to LGPLv2+, as
this is needed for safe-alloc and anyway is more appropriate for
this library function common with BSD.
* modules/safe-alloc (Depends-on): Depend on reallocarray
rather than xalloc-oversized.

4 years agoxalloc-oversized: fix SIZE_MAX optimization bug
Paul Eggert [Sun, 18 Apr 2021 23:30:59 +0000 (16:30 -0700)]
xalloc-oversized: fix SIZE_MAX optimization bug

* lib/xalloc-oversized.h (xalloc_count_t): Remove; no longer
needed and was evidently error-prone anyway.
(xalloc_oversized): Omit some over-optimization that caused
SIZE_MAX to not be treated as too large (the Gnulib convention) on
unusual platforms where PTRDIFF_MAX == SIZE_MAX.  This change
should not affect typical platforms where PTRDIFF_MAX < SIZE_MAX.
When optimizing, simply use ptrdiff_t instead of xalloc_count_t.

4 years agoxalloc: new function xreallocarray
Paul Eggert [Sun, 18 Apr 2021 23:24:51 +0000 (16:24 -0700)]
xalloc: new function xreallocarray

This effectively replaces xnmalloc, which perhaps should be deprecated.
The name xreallocarray should be easier to remember now that
reallocarray is a standard GNU function.
* lib/xalloc.h [GNULIB_XALLOC]: Do not include xalloc-oversized.h.
(xnmalloc, xnrealloc, x2nrealloc): Simplify by using xreallocarray.
* lib/xmalloc.c (xreallocarray): New function.
* modules/xalloc (Depends-on): Add reallocarray;
remove xalloc-oversized.

4 years agogroup-member: simplify via realloc-gnu
Paul Eggert [Sun, 18 Apr 2021 23:08:31 +0000 (16:08 -0700)]
group-member: simplify via realloc-gnu

* lib/group-member.c, modules/group-member:
Simplify similarly to backupfile.

4 years agobackupfile: simplify via realloc-gnu
Paul Eggert [Sun, 18 Apr 2021 23:05:30 +0000 (16:05 -0700)]
backupfile: simplify via realloc-gnu

* lib/backupfile.c: Do not include xalloc-oversized.h.
(numbered_backup): Simplify now that realloc will do the right
thing about ptrdiff_t overflow.
* modules/backupfile (Depends-on): Add realloc-gnu;
remove xalloc-oversized.

4 years agosafe-alloc: improve doc
Paul Eggert [Sun, 18 Apr 2021 22:38:36 +0000 (15:38 -0700)]
safe-alloc: improve doc

* doc/safe-alloc.texi: Clarify that reallocating an array appends
uninitialized storage.  Say ‘sizeof *p’ rather than ‘sizeof(*p)’
which would need a space before the paren to follow GNU style.

4 years agomalloc-gnu-tests, etc.: test ptrdiff_t overflow
Paul Eggert [Sun, 18 Apr 2021 22:29:54 +0000 (15:29 -0700)]
malloc-gnu-tests, etc.: test ptrdiff_t overflow

* modules/calloc-gnu-tests (Depends-on):
* modules/malloc-gnu-tests (Depends-on):
* modules/realloc-gnu-tests (Depends-on): Add stdint.
* tests/test-calloc-gnu.c (main):
* tests/test-malloc-gnu.c (main):,
* tests/test-realloc-gnu.c (main): Test for ptrdiff_t overflow.

4 years agomalloc-gnu, etc.: prefer AS_CASE to woolly AS_IF
Paul Eggert [Sun, 18 Apr 2021 18:31:02 +0000 (11:31 -0700)]
malloc-gnu, etc.: prefer AS_CASE to woolly AS_IF

* m4/calloc.m4 (_AC_FUNC_CALLOC_IF):
* m4/malloc.m4 (_AC_FUNC_MALLOC_IF):
* m4/realloc.m4 (_AC_FUNC_REALLOC_IF): Use AS_CASE.

4 years agomalloc-gnu, etc.: sync better with Autoconf
Paul Eggert [Sun, 18 Apr 2021 18:23:24 +0000 (11:23 -0700)]
malloc-gnu, etc.: sync better with Autoconf

* m4/calloc.m4 (_AC_FUNC_CALLOC_IF):
* m4/malloc.m4 (_AC_FUNC_MALLOC_IF):
* m4/realloc.m4 (_AC_FUNC_REALLOC_IF):
Avoid some unnecessary differences from Autoconf’s versions.
Separate our platforms into a different line so that it’s easier
to diff.  Use AS_IF in case the args use AC_REQUIRE.
However, don’t bother with omitting the first newline, as
omitting the newline is not Gnulib style and the difference
doesn’t seem to matter here.

4 years agolib/mini-gmp.c
Karl Berry [Sun, 18 Apr 2021 15:01:17 +0000 (08:01 -0700)]
lib/mini-gmp.c

4 years agomalloc-posix, realloc-posix, calloc-posix: Document affected platforms.
Bruno Haible [Sun, 18 Apr 2021 11:58:56 +0000 (13:58 +0200)]
malloc-posix, realloc-posix, calloc-posix: Document affected platforms.

* doc/posix-functions/malloc.texi: Re-add platforms list.
* doc/posix-functions/realloc.texi: Likewise.
* doc/posix-functions/calloc.texi: Likewise.

4 years agoMore systematic file naming.
Bruno Haible [Sun, 18 Apr 2021 11:26:43 +0000 (13:26 +0200)]
More systematic file naming.

* m4/ctype_h.m4: Renamed from m4/ctype.m4.
* m4/threads_h.m4: Renamed from m4/threads.m4.
* m4/uchar_h.m4: Renamed from m4/uchar.m4.

4 years agoAdd comments after 2021-04-11 change.
Bruno Haible [Sun, 18 Apr 2021 11:13:36 +0000 (13:13 +0200)]
Add comments after 2021-04-11 change.

* m4/*_h.m4: Add comments regarding *_REQUIRE_DEFAULTS and
*_MODULE_INDICATOR macros.

4 years agodoc: Update for FreeBSD 13.0/arm64.
Bruno Haible [Sun, 18 Apr 2021 10:37:25 +0000 (12:37 +0200)]
doc: Update for FreeBSD 13.0/arm64.

* doc/posix-headers/stdint.texi: Mention FreeBSD 13 bug.
* m4/stdint.m4: Update comment.

4 years agoxalloc: adjust to malloc ptrdiff_t change
Paul Eggert [Sun, 18 Apr 2021 01:48:38 +0000 (18:48 -0700)]
xalloc: adjust to malloc ptrdiff_t change

* lib/xmalloc.c (HAVE_GNU_CALLOC, HAVE_GNU_MALLOC, HAVE_GNU_REALLOC):
Remove.
(xmalloc, xrealloc, xcalloc): Simplify by assuming GNU behavior.
* modules/xalloc (Depends-on): Add calloc-gnu, malloc-gnu,
realloc-gnu.

4 years agomalloc, etc.: check for ptrdiff_t overflow
Paul Eggert [Sun, 18 Apr 2021 01:44:25 +0000 (18:44 -0700)]
malloc, etc.: check for ptrdiff_t overflow

In glibc 2.30 and later, malloc, realloc and calloc reject
attempts to create objects larger than PTRDIFF_MAX bytes.
This patch changes malloc-gnu etc. to support this behavior
on non-GNU hosts.  It also makes this change for malloc-posix etc.
since it’s a safety measure that ought to be in POSIX (perhaps
we can talk them into that...).

In writing this patch I found a complicated set of code that had
accumulated over the years, some written by yours truly.  I got
rid of the code I couldn’t see the need for nowadays.  Among other
things, the GNU realloc behavior is no longer incompatible with
the C standard, because in C17 the latter was relaxed to allow the
former.  If I went too far in cleaning up, the old stuff can be
resurrected.

This change is mostly for 32-bit platforms, since practical 64-bit
platforms cannot create objects larger than PTRDIFF_MAX bytes anyway.
* doc/posix-functions/calloc.texi:
* doc/posix-functions/malloc.texi:
* doc/posix-functions/realloc.texi:
Mention ptrdiff_t issues, and go into more detail about what
the gnu extension module does.
* doc/posix-functions/realloc.texi: Fix now-obsolete commentary
about C99 vs glibc, as C17 allows the glibc behavior and POSIX
will follow suit when it gets around to it.
* lib/calloc.c, lib/malloc.c, lib/realloc.c:
Simplify by always supplying a GNU-compatible version,
as that suffices for correctness and is good enough for performance.
Include xalloc-oversized.h, and use xalloc_oversized to
check for ptrdiff_t overflow.
(NEED_CALLOC_GNU, NEED_MALLOC_GNU, NEED_REALLOC_GNU): Remove.
* m4/calloc.m4 (_AC_FUNC_CALLOC_IF):
* m4/malloc.m4 (_AC_FUNC_MALLOC_IF):
* m4/realloc.m4 (_AC_FUNC_REALLOC_IF):
Don’t start with a newline.  Fix message to match behavior.
* m4/calloc.m4 (_AC_FUNC_CALLOC_IF): Don’t test for size_t overflow,
as the ptrdiff_t test is good enough.
* m4/calloc.m4 (gl_FUNC_CALLOC_GNU):
* m4/malloc.m4 (gl_FUNC_MALLOC_GNU):
* m4/realloc.m4 (gl_FUNC_REALLOC_GNU):
Do not define HAVE_CALLOC_GNU, HAVE_MALLOC_GNU, HAVE_REALLOC_GNU.
It’s not worth the aggravation of maintaining these, as they
are confusing (they don’t really mean GNU-compatible anyway).
Don’t bother testing for GNU behavior if we have already decided
to replace the function, since the replacement is always GNUish.
* m4/calloc.m4 (gl_FUNC_CALLOC_POSIX):
* m4/realloc.m4 (gl_FUNC_REALLOC_POSIX):
Defer to gl_FUNC_MALLOC_POSIX.
* m4/malloc.m4 (gl_FUNC_MALLOC_PTRDIFF, gl_CHECK_MALLOC_PTRDIFF):
New macros.
(gl_FUNC_MALLOC_POSIX): Use them to check for ptrdiff_t overflow.
* modules/calloc-gnu, modules/malloc-gnu, modules/realloc-gnu:
Remove no-longer-needed module indicators.
* modules/calloc-posix, modules/malloc-posix, modules/realloc-posix:
Depend on xalloc-oversized.
* modules/malloc-posix: Require gl_FUNC_MALLOC_POSIX instead of
calling it directly, so that other code can require it.
* modules/realloc-posix: Depend on free-posix and malloc-posix.

4 years agostdio: Fix build error in some configurations (regression 2021-04-11).
Bruno Haible [Sat, 17 Apr 2021 15:17:06 +0000 (17:17 +0200)]
stdio: Fix build error in some configurations (regression 2021-04-11).

* m4/stdio_h.m4 (gl_STDIO_H): Move gl_STDIO_MODULE_INDICATOR and
gl_MODULE_INDICATOR invocations from here...
* modules/stdio (configure.ac): ... to here.

4 years agodoc: Update for FreeBSD 11.0, 12.0, 13.0.
Bruno Haible [Sat, 17 Apr 2021 13:29:16 +0000 (15:29 +0200)]
doc: Update for FreeBSD 11.0, 12.0, 13.0.

* doc/posix-headers/*.texi: Update.
* doc/glibc-headers/*.texi: Update.
* doc/posix-functions/*.texi: Likewise.
* doc/pastposix-functions/*.texi: Likewise.
* doc/glibc-functions/*.texi: Likewise.
* m4/ptsname_r.m4 (gl_FUNC_PTSNAME_R): Update cross-compilation guess.

4 years agomalloc, realloc: fix recently-introduced #undef typos
Paul Eggert [Sat, 17 Apr 2021 00:06:21 +0000 (17:06 -0700)]
malloc, realloc: fix recently-introduced #undef typos

* lib/malloc.c (malloc):
* lib/realloc.c (malloc, realloc): #undef before using.

4 years agohamt tests: Fix link error.
Bruno Haible [Thu, 15 Apr 2021 00:19:24 +0000 (02:19 +0200)]
hamt tests: Fix link error.

* modules/hamt-tests (Makefile.am): Link test-hamt against @LIBINTL@.

4 years agoc-stack: Don't use an undefined C macro (regression from 2020-10-04).
Bruno Haible [Thu, 15 Apr 2021 00:11:51 +0000 (02:11 +0200)]
c-stack: Don't use an undefined C macro (regression from 2020-10-04).

* lib/c-stack.c: Test GNU C version directly, without __GNUC_PREREQ.

4 years agodoc: Fix confusion between LIBADD and LDADD.
Bruno Haible [Mon, 12 Apr 2021 19:09:22 +0000 (21:09 +0200)]
doc: Fix confusion between LIBADD and LDADD.

Reported by Reuben Thomas <rrt@sc3d.org> in
<https://lists.gnu.org/archive/html/bug-gnulib/2021-04/msg00102.html>.

* doc/gnulib-tool.texi (Multiple instances): For programs, use LDADD,
not LIBADD.

4 years agomalloc, realloc, calloc: Support restricted library symbols on AIX.
Bruno Haible [Sun, 11 Apr 2021 20:00:25 +0000 (22:00 +0200)]
malloc, realloc, calloc: Support restricted library symbols on AIX.

Suggested by Paul Eggert in
<https://lists.gnu.org/archive/html/bug-gnulib/2021-04/msg00119.html>.

* lib/malloc.c: Drop the code that intends to collaborate with
AC_FUNC_MALLOC.
* lib/realloc.c: Drop the code that intends to collaborate with
AC_FUNC_REALLOC.
* lib/calloc.c: Drop the code that intends to collaborate with the
nonexistent macro AC_FUNC_CALLOC.

4 years agoSupport several gnulib-tool invocations under the same configure.ac.
Bruno Haible [Sun, 11 Apr 2021 19:25:54 +0000 (21:25 +0200)]
Support several gnulib-tool invocations under the same configure.ac.

Reported by Reuben Thomas <rrt@sc3d.org> in
<https://lists.gnu.org/archive/html/bug-gnulib/2021-04/msg00104.html>.

This is done by defining the Gnulib module indicator variables per
gnulib-tool invocation. So that a generated .h file is no longer
influenced by the set of modules used in other gnulib-tool invocations.

* gnulib-tool (func_compute_include_guard_prefix): Set
module_indicator_prefix.
(func_emit_lib_Makefile_am, func_emit_tests_Makefile_am): Use it to
modify $(GNULIB_*) variable references in the Automake snippets.
(func_emit_initmacro_start): Push macro definitions for GL_MACRO_PREFIX
and GL_MODULE_INDICATOR_PREFIX.
(func_emit_initmacro_end): Pop these macro definitions.
* pygnulib/GLConfig.py (GLConfig.getIncludeGuardPrefix): New method.
* pygnulib/GLEmiter.py (GLEmiter.initmacro_start): Push macro
definitions for GL_MACRO_PREFIX and GL_MODULE_INDICATOR_PREFIX.
(GLEmiter.initmacro_end): Pop these macro definitions.
(GLEmiter.lib_Makefile_am, GLEmiter.tests_Makefile_am): Use the module
indicator prefix to modify $(GNULIB_*) variable references in the
Automake snippets.
* m4/gnulib-common.m4 (gl_MODULE_INDICATOR_INIT_VARIABLE,
gl_MODULE_INDICATOR_SET_VARIABLE): Use the value of
GL_MODULE_INDICATOR_PREFIX.
* m4/arpa_inet_h.m4: Use new idiom for header files that contain
references to Gnulib module indicator variables:
- Define the main macro through AC_DEFUN_ONCE.
- Define a macro gl_*_H_REQUIRE_DEFAULTS that initializes the Gnulib
  module indicator variables (each prefixed with
  GL_MODULE_INDICATOR_PREFIX).
- Invoke this macro in the gl_*_MODULE_INDICATOR macro.
* m4/ctype.m4: Likewise.
* m4/dirent_h.m4: Likewise.
* m4/fcntl_h.m4: Likewise.
* m4/fnmatch_h.m4: Likewise.
* m4/glob_h.m4: Likewise.
* m4/iconv_h.m4: Likewise.
* m4/inttypes.m4: Likewise.
* m4/langinfo_h.m4: Likewise.
* m4/locale_h.m4: Likewise.
* m4/malloc_h.m4: Likewise.
* m4/math_h.m4: Likewise.
* m4/monetary_h.m4: Likewise.
* m4/netdb_h.m4: Likewise.
* m4/poll_h.m4: Likewise.
* m4/pthread_h.m4: Likewise.
* m4/pty_h.m4: Likewise.
* m4/sched_h.m4: Likewise.
* m4/search_h.m4: Likewise.
* m4/signal_h.m4: Likewise.
* m4/spawn_h.m4: Likewise.
* m4/stddef_h.m4: Likewise.
* m4/stdio_h.m4: Likewise.
* m4/stdlib_h.m4: Likewise.
* m4/string_h.m4: Likewise.
* m4/strings_h.m4: Likewise.
* m4/sys_file_h.m4: Likewise.
* m4/sys_ioctl_h.m4: Likewise.
* m4/sys_random_h.m4: Likewise.
* m4/sys_resource_h.m4: Likewise.
* m4/sys_select_h.m4: Likewise.
* m4/sys_socket_h.m4: Likewise.
* m4/sys_stat_h.m4: Likewise.
* m4/sys_time_h.m4: Likewise.
* m4/sys_times_h.m4: Likewise.
* m4/sys_types_h.m4: Likewise.
* m4/sys_uio_h.m4: Likewise.
* m4/sys_utsname_h.m4: Likewise.
* m4/sys_wait_h.m4: Likewise.
* m4/termios_h.m4: Likewise.
* m4/threads.m4: Likewise.
* m4/time_h.m4: Likewise.
* m4/uchar.m4: Likewise.
* m4/unistd_h.m4: Likewise.
* m4/utime_h.m4: Likewise.
* m4/wchar_h.m4: Likewise.
* m4/wctype_h.m4: Likewise.
* modules/arpa_inet (configure.ac): Invoke the macro
gl_*_H_REQUIRE_DEFAULTS explicitly.
* modules/ctype (configure.ac): Likewise.
* modules/dirent (configure.ac): Likewise.
* modules/fcntl-h (configure.ac): Likewise.
* modules/fnmatch-h (configure.ac): Likewise.
* modules/glob-h (configure.ac): Likewise.
* modules/iconv-h (configure.ac): Likewise.
* modules/inttypes-incomplete (configure.ac): Likewise.
* modules/langinfo (configure.ac): Likewise.
* modules/locale (configure.ac): Likewise.
* modules/malloc-h (configure.ac): Likewise.
* modules/math (configure.ac): Likewise.
* modules/monetary (configure.ac): Likewise.
* modules/netdb (configure.ac): Likewise.
* modules/poll-h (configure.ac): Likewise.
* modules/pthread-h (configure.ac): Likewise.
* modules/pty (configure.ac): Likewise.
* modules/sched (configure.ac): Likewise.
* modules/search (configure.ac): Likewise.
* modules/signal-h (configure.ac): Likewise.
* modules/spawn (configure.ac): Likewise.
* modules/stddef (configure.ac): Likewise.
* modules/stdio (configure.ac): Likewise.
* modules/stdlib (configure.ac): Likewise.
* modules/string (configure.ac): Likewise.
* modules/strings (configure.ac): Likewise.
* modules/sys_file (configure.ac): Likewise.
* modules/sys_ioctl (configure.ac): Likewise.
* modules/sys_random (configure.ac): Likewise.
* modules/sys_resource (configure.ac): Likewise.
* modules/sys_select (configure.ac): Likewise.
* modules/sys_socket (configure.ac): Likewise.
* modules/sys_stat (configure.ac): Likewise.
* modules/sys_time (configure.ac): Likewise.
* modules/sys_times (configure.ac): Likewise.
* modules/sys_types (configure.ac): Likewise.
* modules/sys_uio (configure.ac): Likewise.
* modules/sys_utsname (configure.ac): Likewise.
* modules/sys_wait (configure.ac): Likewise.
* modules/termios (configure.ac): Likewise.
* modules/threads-h (configure.ac): Likewise.
* modules/time (configure.ac): Likewise.
* modules/uchar (configure.ac): Likewise.
* modules/unistd (configure.ac): Likewise.
* modules/utime-h (configure.ac): Likewise.
* modules/wchar (configure.ac): Likewise.
* modules/wctype-h (configure.ac): Likewise.
* m4/af_alg.m4: Update after a macro name changed.
* m4/ctime.m4: Likewise.
* m4/explicit_bzero.m4: Likewise.
* m4/ffs.m4: Likewise.
* m4/ffsl.m4: Likewise.
* m4/ffsll.m4: Likewise.
* m4/flock.m4: Likewise.
* m4/fstat.m4: Likewise.
* m4/getaddrinfo.m4: Likewise.
* m4/getdomainname.m4: Likewise.
* m4/gettimeofday.m4: Likewise.
* m4/hostent.m4: Likewise.
* m4/ioctl.m4: Likewise.
* m4/localtime.m4: Likewise.
* m4/mbslen.m4: Likewise.
* m4/memchr.m4: Likewise.
* m4/memmem.m4: Likewise.
* m4/mempcpy.m4: Likewise.
* m4/memrchr.m4: Likewise.
* m4/mktime.m4: Likewise.
* m4/nanosleep.m4: Likewise.
* m4/passfd.m4: Likewise.
* m4/pselect.m4: Likewise.
* m4/rawmemchr.m4: Likewise.
* m4/select.m4: Likewise.
* m4/servent.m4: Likewise.
* m4/sigabbrev_np.m4: Likewise.
* m4/sigdescr_np.m4: Likewise.
* m4/sockpfaf.m4: Likewise.
* m4/stat.m4: Likewise.
* m4/stpcpy.m4: Likewise.
* m4/stpncpy.m4: Likewise.
* m4/strcase.m4: Likewise.
* m4/strcasestr.m4: Likewise.
* m4/strchrnul.m4: Likewise.
* m4/strdup.m4: Likewise.
* m4/strerror.m4: Likewise.
* m4/strerror_r.m4: Likewise.
* m4/strerrorname_np.m4: Likewise.
* m4/strftime-fixes.m4: Likewise.
* m4/strncat.m4: Likewise.
* m4/strndup.m4: Likewise.
* m4/strnlen.m4: Likewise.
* m4/strpbrk.m4: Likewise.
* m4/strptime.m4: Likewise.
* m4/strsep.m4: Likewise.
* m4/strsignal.m4: Likewise.
* m4/strstr.m4: Likewise.
* m4/strtok_r.m4: Likewise.
* m4/strverscmp.m4: Likewise.
* m4/time_r.m4: Likewise.
* m4/time_rz.m4: Likewise.
* m4/timegm.m4: Likewise.
* m4/timespec_get.m4: Likewise.
* m4/tzset.m4: Likewise.
* modules/accept (configure.ac): Likewise.
* modules/bind (configure.ac): Likewise.
* modules/connect (configure.ac): Likewise.
* modules/flock (configure.ac): Likewise.
* modules/getpeername (configure.ac): Likewise.
* modules/getsockname (configure.ac): Likewise.
* modules/getsockopt (configure.ac): Likewise.
* modules/listen (configure.ac): Likewise.
* modules/recv (configure.ac): Likewise.
* modules/recvfrom (configure.ac): Likewise.
* modules/send (configure.ac): Likewise.
* modules/sendto (configure.ac): Likewise.
* modules/setsockopt (configure.ac): Likewise.
* modules/shutdown (configure.ac): Likewise.
* modules/socket (configure.ac): Likewise. Use the
gl_*_H_REQUIRE_DEFAULTS macros.
* modules/nonblocking (configure.ac): Use the gl_*_H_REQUIRE_DEFAULTS
and gl_MODULE_INDICATOR_INIT_VARIABLE macros.
* modules/sigpipe (configure.ac): Likewise.
* modules/windows-stat-override (configure.ac): Likewise.
* m4/nonblocking.m4: Update a comment.
* m4/sigpipe.m4: Likewise.

4 years agoRename GNULIB_OVERRIDES_CHAR16_T, GNULIB_OVERRIDES_CHAR32_T.
Bruno Haible [Sun, 11 Apr 2021 13:54:18 +0000 (15:54 +0200)]
Rename GNULIB_OVERRIDES_CHAR16_T, GNULIB_OVERRIDES_CHAR32_T.

* GNULIBHEADERS_OVERRIDE_CHAR16_T: Renamed from
GNULIB_OVERRIDES_CHAR16_T.
* GNULIBHEADERS_OVERRIDE_CHAR32_T: Renamed from
GNULIB_OVERRIDES_CHAR32_T.

4 years agoRename GNULIB_OVERRIDES_WINT_T.
Bruno Haible [Sun, 11 Apr 2021 13:50:35 +0000 (15:50 +0200)]
Rename GNULIB_OVERRIDES_WINT_T.

* GNULIBHEADERS_OVERRIDE_WINT_T: Renamed from GNULIB_OVERRIDES_WINT_T.

4 years agoincrement-serial: New program.
Bruno Haible [Sun, 11 Apr 2021 12:38:37 +0000 (14:38 +0200)]
increment-serial: New program.

* build-aux/increment-serial: New file.

4 years agouseless-if-before-free: Implement --version option according to GCS.
Bruno Haible [Sun, 11 Apr 2021 12:30:03 +0000 (14:30 +0200)]
useless-if-before-free: Implement --version option according to GCS.

* build-aux/useless-if-before-free (copyright_year): New variable.
(GetOptions): Print also a short copyright and license notice and
author statement.

4 years agolibtool-next-version: Implement --version option according to GCS.
Bruno Haible [Sun, 11 Apr 2021 12:28:00 +0000 (14:28 +0200)]
libtool-next-version: Implement --version option according to GCS.

* build-aux/libtool-next-version (scriptversion): New variable.
(func_version): Deduce the copyright year from it. Terminate sentences
with '.'.

4 years agognupload: Implement --version option according to GCS.
Bruno Haible [Sun, 11 Apr 2021 12:25:56 +0000 (14:25 +0200)]
gnupload: Implement --version option according to GCS.

* build-aux/gnupload (copyright_year, copyright): New variables.
(--version): Print also a short copyright and license notice.

4 years agogit-version-gen: Implement --version option according to GCS.
Bruno Haible [Sun, 11 Apr 2021 12:22:07 +0000 (14:22 +0200)]
git-version-gen: Implement --version option according to GCS.

* build-aux/git-version-gen (version): State the license. Use wording
from GCS.