Bruno Haible [Wed, 11 Jan 2023 17:15:59 +0000 (18:15 +0100)]
link, linkat tests: Fix test failures on Android/Termux.
* tests/test-link.h (test_link): On Android, treat an EACCES failure
like EPERM.
* tests/test-linkat.c (main): When test_link is marked skipped, skip the
rest of the test as well.
Jim Meyering [Tue, 3 Jan 2023 06:52:08 +0000 (22:52 -0800)]
update-copyright: also work with two or more updatable lines in a file
* build-aux/update-copyright: Replace every occurrence of the copyright
line, not just the first one.
* tests/test-update-copyright.sh: Add a test case for this.
Bruno Haible [Tue, 10 Jan 2023 16:44:04 +0000 (17:44 +0100)]
immutable: Fix initialization failure on Android.
* lib/immutable.c: Include "pathmax.h".
(do_init_mmap_file): Use $TMPDIR rather than /tmp, if it is safe.
* modules/immutable (Depends-on): Add pathmax.
Bruno Haible [Tue, 10 Jan 2023 11:52:10 +0000 (12:52 +0100)]
secure_getenv: Fix warning on Android.
* m4/secure_getenv.m4 (gl_FUNC_SECURE_GETENV): Test for issetugid using
gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS.
* lib/secure_getenv.c: Fix comment regarding issetugid.
Bruno Haible [Mon, 9 Jan 2023 20:31:52 +0000 (21:31 +0100)]
threads-h: Improve portability.
* lib/threads.in.h: Use INCLUDE_NEXT_AS_FIRST_DIRECTIVE when possible.
* modules/threads-h (Makefile.am): Substitute
INCLUDE_NEXT_AS_FIRST_DIRECTIVE and NEXT_AS_FIRST_DIRECTIVE_THREADS_H.
Bruno Haible [Mon, 9 Jan 2023 20:18:20 +0000 (21:18 +0100)]
malloc-h: Improve portability.
* lib/malloc.in.h: Use INCLUDE_NEXT_AS_FIRST_DIRECTIVE when possible.
* modules/malloc-h (Makefile.am): Substitute
INCLUDE_NEXT_AS_FIRST_DIRECTIVE and NEXT_AS_FIRST_DIRECTIVE_MALLOC_H.
Bruno Haible [Mon, 9 Jan 2023 12:47:25 +0000 (13:47 +0100)]
malloc-h: Fix compilation errors in C++ mode on Android.
* lib/malloc.in.h: Don't include <stdlib.h>, except on Solaris and on
HP-UX. Include <stddef.h>. Make _GL_ATTRIBUTE_DEALLOC_FREE work (code
snippet copied from string.in.h and wchar.in.h).
* m4/malloc_h.m4 (gl_MALLOC_H_REQUIRE_DEFAULTS): Invoke
gl_STDLIB_H_REQUIRE_DEFAULTS.
* modules/malloc-h (Depends-on): Add stddef, stdlib.
(Makefile.am): Substitute GNULIB_FREE_POSIX and REPLACE_FREE.
Paul Eggert [Fri, 6 Jan 2023 19:20:05 +0000 (11:20 -0800)]
bootstrap: suppress stray message from --pull
* build-aux/bootstrap: Regenerate.
* top/bootstrap-funclib.sh (autopull): Suggest running autogen.sh
only if it exists (i.e., the package is using autopull.sh/autogen.sh).
Suggest the same name for autogen.sh that is used in the test.
Bruno Haible [Thu, 5 Jan 2023 10:11:50 +0000 (11:11 +0100)]
More systematic naming of LIB variables.
* m4/acl.m4 (gl_FUNC_ACL, gl_FILE_HAS_ACL): Set FILE_HAS_ACL_LIB to the
same value as LIB_HAS_ACL.
* modules/file-has-acl (Link): Use FILE_HAS_ACL_LIB instead of
LIB_HAS_ACL.
* modules/file-has-acl-tests (Makefile.am): Likewise.
Bruno Haible [Tue, 3 Jan 2023 20:33:32 +0000 (21:33 +0100)]
ffsl, ffsll: Fix compilation error on Android.
* lib/string.in.h: On Android as well, include <strings.h>.
* m4/ffsl.m4 (gl_FUNC_FFSL): Use a specific link test instead of
AC_CHECK_FUNCS_ONCE.
* m4/ffsll.m4 (gl_FUNC_FFSLL): Likewise.
* doc/glibc-functions/ffsl.texi: Mention Android problems.
* doc/glibc-functions/ffsll.texi: Likewise.
Bruno Haible [Tue, 3 Jan 2023 16:14:33 +0000 (17:14 +0100)]
stdio: Fix error in C++ mode on Android, due to putw.
* lib/stdio.in.h (putw): Don't declare in the C++ namespace if putw is
not declared.
* m4/stdio_h.m4 (gl_STDIO_H): Test whether putw is declared.
(gl_STDIO_H_DEFAULTS): Initialize HAVE_DECL_PUTW.
* modules/stdio (Makefile.am): Substitute HAVE_DECL_PUTW.
* doc/glibc-functions/putw.texi: Update regarding Android.
Bruno Haible [Tue, 3 Jan 2023 16:11:19 +0000 (17:11 +0100)]
stdio: Fix error in C++ mode on Android, due to getw.
* lib/stdio.in.h (getw): Don't declare in the C++ namespace if getw is
not declared.
* m4/stdio_h.m4 (gl_STDIO_H): Test whether getw is declared.
(gl_STDIO_H_DEFAULTS): Initialize HAVE_DECL_GETW.
* modules/stdio (Makefile.am): Substitute HAVE_DECL_GETW.
Bruno Haible [Mon, 2 Jan 2023 15:57:31 +0000 (16:57 +0100)]
sigsegv: Fix compilation error on Android 4.3.
* lib/sigsegv.in.h: For Android, don't include <ucontext.h> and don't
reference ucontext_t.
* lib/sigsegv.c (SIGSEGV_FAULT_): For Android, use a plain POSIX fault
handler (cf. libsigsegv/src/fault-posix.h).
Paul Eggert [Mon, 2 Jan 2023 06:06:10 +0000 (22:06 -0800)]
dfa: work around Clang 15 bug
Problem reported by Kenton Groombridge in:
https://lists.gnu.org/archive/html/bug-gawk/2022-12/msg00010.html
On x86-64, Clang 15 gets confused by a call (X ? dfaerror :
dfawarn) (Y) and generates the wrong code, presumably because
dfaerror is _Noreturn and dfawarn is not.
* lib/dfa.c (parse_bracket_exp): Reword to have one call for
dfaerror, the other for dfawarn.
Paul Eggert [Sun, 1 Jan 2023 02:40:56 +0000 (18:40 -0800)]
maint: use UTC when updating copyright date
Problem reported by Simon Joseffson in:
https://lists.gnu.org/r/bug-gnulib/2022-12/msg00125.html
* Makefile (COPYRIGHT_TZ): New macro.
(update-copyright): Use it.
Paul Eggert [Wed, 28 Dec 2022 22:15:43 +0000 (14:15 -0800)]
assert-h: port static_assert to strict C99
* lib/verify.h (_GL_VERIFY): Port MSVC hack back to C99.
Problem found when testing bleeding-edge gzip on IBM XL C for AIX,
V12.1 (5765-J02, 5725-C72), which complained ‘"malloca.c", line
42.56: 1506-041 (E) The invocation of macro _Static_assert
contains fewer arguments than are required by the macro
definition.’ This diagnostic is valid because C99 requires
that if you #define _Static_assert(R, ...) you must call
_Static_assert with at least two arguments. I found a similar
problem with Sun C 5.9 SunOS_sparc Patch 124867-12 2009/11/22.
Paul Eggert [Tue, 27 Dec 2022 16:15:38 +0000 (08:15 -0800)]
Add --pull, --gen options to build-aux/bootstrap
This supports a single bootstrap script with --pull and --gen
options, as an alternative to separate autogen.sh and autopull.sh
and bootstrap-funclib.sh auxiliary files.
* top/bootstrap: With --version, also output library version.
Support update of package that has only the bootstrap script,
and not the other three files.
Paul Eggert [Tue, 27 Dec 2022 16:15:38 +0000 (08:15 -0800)]
Support packages with just 'bootstrap'
* top/bootstrap: With --version, also output library version.
Support update of package that has only the bootstrap script,
and not the other three files.
* top/bootstrap-funclib.sh (scriptlibversion): Rename
from scriptversion. All uses changed. This way we
can distinguish script from script library versions.
(upgrade_bootstrap): If the package currently has only
the bootstrap script, just update that.
Paul Eggert [Tue, 27 Dec 2022 16:15:37 +0000 (08:15 -0800)]
Bootstrap with functions, not scripts
* top/bootstrap: Use autopull and autogen functions, not
shell scripts. This lets build-aux/bootstrap become a
standalone script. It does not change the behavior of
top/bootstrap, except for minor rewording of disagnostics.
Paul Eggert [Tue, 27 Dec 2022 16:15:37 +0000 (08:15 -0800)]
Make autopull a shell function too
This does not change behavior. It is helpful for future changes.
* top/autopull.sh: Call autopull to do the actual work.
(usage, download_po_files, update_po_files):
Move to top/bootstrap-funclib.sh.
* top/bootstrap-funclib.sh (autopull_usage): Rename from ‘usage’.
(autopull): New function, containing the top level of the
old top/autopull.sh.
Paul Eggert [Tue, 27 Dec 2022 16:15:37 +0000 (08:15 -0800)]
Make autogen a shell function too
This does not change behavior. It is helpful for future changes.
* top/autogen.sh: Call autogen to do the actual work.
(usage, version_controlled_file, gitignore_entries, insert_if_absent):
(insert_vc_ignore, symlink_to_dir): Move to top/bootstrap-funclib.sh.
* top/bootstrap-funclib.sh (autogen_usage): Rename from ‘usage’.
(autogen): New function, containing the top level of the
old top/autogen.sh.
Bruno Haible [Tue, 27 Dec 2022 10:21:45 +0000 (11:21 +0100)]
Fix compilation errors in C++ mode on Solaris 11 OpenIndiana.
* m4/gnulib-common.m4 (gl_COMMON_BODY): In _GL_ATTRIBUTE_DEALLOC_FREE,
with GNU C++, cast the 'free' function.
* lib/string.in.h (_GL_ATTRIBUTE_DEALLOC_FREE): With GNU C++, cast the
'free' function.
* lib/wchar.in.h (_GL_ATTRIBUTE_DEALLOC_FREE): Likewise.
Paul Eggert [Mon, 26 Dec 2022 18:17:17 +0000 (10:17 -0800)]
stdbool-c99: fix typo
Reported against Autoconf by Todd C. Miller in:
https://lists.gnu.org/r/autoconf/2022-12/msg00001.html
* m4/stdbool.m4 (AC_CHECK_HEADER_STDBOOL): Sync from Autoconf master.
Paul Eggert [Sun, 25 Dec 2022 19:41:57 +0000 (11:41 -0800)]
largefile: sync from Autoconf master
* m4/largefile.m4 (gl_SET_LARGEFILE_SOURCE): Test whether
AC_SYS_YEAR2038 is defined when this macro is defined, not when it
is used, as we now define AC_SYS_YEAR2038 later.
(_AC_SYS_LARGEFILE_MACRO_VALUE): Remove.
(_AC_SYS_YEAR2038_TEST_CODE, _AC_SYS_YEAR2038_OPTIONS)
(_AC_SYS_YEAR2038_PROBE, _AC_SYS_YEAR2038_ENABLE)
(_AC_SYS_YEAR2038_OPT_IN, AC_SYS_YEAR2038)
(_AC_SYS_LARGEFILE_TEST_CODE, _AC_SYS_LARGEFILE_OPTIONS)
(_AC_SYS_LARGEFILE_PROBE, _AC_SYS_LARGEFILE_ENABLE): New macros.
(AC_SYS_LARGEFILE): Use them.
* m4/year2038.m4: Remove. All mentions removed.
* modules/largefile, modules/year2038 (configure.ac-early):
Do not require gl_YEAR2038_EARLY.
* modules/year2038 (Depends-on): Depend on largefile.
(configure.ac): Require AC_SYS_YEAR2038, not gl_YEAR2038.
Paul Eggert [Sun, 25 Dec 2022 07:39:41 +0000 (23:39 -0800)]
extensions: enable some C23 Annex F functions
* m4/extensions.m4 (AC_USE_SYSTEM_EXTENSIONS):
Also define __STDC_WANT_IEC_60559_EXT__, for C23 Annex F
functions like totalorder. This syncs from Autoconf master.
Paul Eggert [Sat, 24 Dec 2022 09:29:29 +0000 (01:29 -0800)]
stdnoreturn: deprecate
C23 says <stdnoreturn.h> is obsolescent, so deprecate the
stdnoreturn module. I don't think it was being used anyway
as it had too many problems.
* modules/stdnoreturn: Mark as obsolete.
Paul Eggert [Fri, 23 Dec 2022 23:18:29 +0000 (15:18 -0800)]
file-has-acl: improve recent NFSv4 support
This fixes a link failure with emacsclient on GNU/Linux. This
program wants file_has_acl but none of the other ACL primitives,
so it doesn’t link acl-internal.o; this way it doesn’t need to
link with -lacl. While I was at it I reviewed the recent changes,
fixed some unlikely overflow bugs, and adjusted to GNU style.
* doc/acl-nfsv4.txt: Remove. Its contents are now in a
comment in lib/file-has-acl.c.
* lib/acl-internal.c, lib/acl-internal.h: Move recent changes
relating to acl_nfs4_nontrivial to lib/file-has-acl.c, so that
there is no trouble linking programs that need only file_has_acl.
* lib/file-has-acl.c (acl_nfs4_nontrivial): Move here from
lib/acl-internal.c, so that we needn't link -lacl in
programs that want only file_has_acl, such as emacsclient.
Do not assume a char buffer is aligned for uint32_t.
Check more carefully for buffer read overrun.
Allow up to 6 ACEs, since other code does; but check
that they’re distinct. Avoid integer overflow.
Use memcmp rather than strncmp to compare memory blocks.
(file_has_acl): Preserve initial errno instead of setting to 0.
Allocate a bit more room for trivial ACL buffer.
Use EINVAL for botchedk NFSv4 ACLs (which shouldn’t happen).
Paul Eggert [Fri, 23 Dec 2022 05:19:34 +0000 (21:19 -0800)]
posix_spawnp-tests: fix filename typo
Problem reported for GNU m4 by Mitchell Dorrell in:
https://lists.gnu.org/r/bug-m4/2022-12/msg00000.html
* tests/test-posix_spawnp-script.c (DATA_FILENAME):
Fix typo in file name that caused race with
test-posix_spawn-script.c.
Ondrej Valousek [Fri, 2 Dec 2022 12:40:19 +0000 (13:40 +0100)]
file-has-acl: Basic support for checking NFSv4 ACLs in Linux.
* lib/acl-internal.h (acl_nfs4_nontrivial): New declaration.
* lib/acl-internal.c (acl_nfs4_nontrivial): New function.
* lib/file-has-acl.c: Include <arpa/inet.h>.
(XATTR_NAME_NFSV4_ACL, TRIVIAL_NFS4_ACL_MAX_LENGTH): New macros.
(file_has_acl): Test for NFSv4 ACLs.
* doc/acl-nfsv4.txt: New file.
Paul Eggert [Thu, 22 Dec 2022 05:45:18 +0000 (21:45 -0800)]
Port __has_c_attribute to strict C23
* m4/gnulib-common.m4 (_GL_HAS_C_ATTRIBUTE): Remove, as C23 says
behavior is undefined if __has_c_attribute appears anywhere other
than at the top level of an #if or #ifdef. All uses replaced by
wordier invocations of __has_c_attribute.
Paul Eggert [Wed, 21 Dec 2022 21:25:39 +0000 (13:25 -0800)]
asctime, ctime: deprecate
C23 deprecates asctime and ctime, so deprecate them in Gnulib too.
* NEWS, doc/posix-functions/asctime.texi:
* doc/posix-functions/ctime.texi: Mention this.
* lib/time.in.h (ctime): Deprecate any ctime replacement.
* modules/ctime: Now obsolete.
Paul Eggert [Sun, 18 Dec 2022 07:45:56 +0000 (23:45 -0800)]
memset_explicit: port to older MS-Windows
* lib/memset_explicit.c (memset_explicit):
Remove special case for C==0 and MS-Windows. The code isn’t
needed for correctness and it’s more trouble than it’s worth as it
prevents this module from being used with GNU Emacs, which wants
to port to MS-Windows versions so old that they lack
SecureZeroMemory.
Paul Eggert [Fri, 9 Dec 2022 23:31:33 +0000 (15:31 -0800)]
fts: make debug version compilable again
This fixes things in what I hope is a better way than the
fd-only approach proposed by Kamil Dudka here:
https://lists.gnu.org/archive/html/bug-gnulib/2018-03/msg00079.html
https://lists.gnu.org/archive/html/bug-gnulib/2018-03/msg00080.html
* lib/fts.c (GNULIB_FTS_DEBUG): Rename from FTS_DEBUG,
to avoid collision with coreutils symbol.
Do not include <stdint.h> (not needed, since we include <stdint.h>)
or "getcwdat.h" (no longer exists).
(fd_ring_check, fd_ring_print): Add forward decls.
(struct devino): New type.
(PRINT_DEVINO): New macro.
(getdevino): New static function.
(fd_ring_print): Do nothing if not debugging.
(fd_ring_print, fd_ring_check): Use getdevino instead of getcwdat.
The output isn’t as good, but at least it compiles and runs.
Paul Eggert [Thu, 8 Dec 2022 00:34:26 +0000 (16:34 -0800)]
verify: update __STDC_VERSION__ as per C23
This shouldn’t affect anything; it’s merely a refactoring.
* lib/verify.h (_GL_HAVE__STATIC_ASSERT1): Require
__STDC_VERSION__ to be at least 202311, instead of at least
202000. The latter number was put in in 2019 because we didn’t
yet know C23’s __STDC_VERSION__ value.
Paul Eggert [Tue, 6 Dec 2022 18:27:43 +0000 (10:27 -0800)]
fts: fix race + mishandling of fstatat failure
I hope this fixes a Luke Dashjr coreutils bug report about ext4
ramdisks; see “9.1: du Aborted (corrupt filesystem)”
<https://debbugs.gnu.org/59821>.
* lib/fts.c (fts_build): Fix two bugs. First, fts_stat was being
called without checking its return value, causing a later abort.
Second, there was a race between opening a directory and statting
it, fixed by using fstat on the file descriptor rather than
fstatat on the directory name.
Pádraig Brady [Fri, 2 Dec 2022 14:45:23 +0000 (14:45 +0000)]
doc: poll: document poll of special files not supported on macOS
* doc/posix-functions/poll.texi: Reinstate (updated) macOS info,
removed in recent cleanup re removal of support for Mac OS X <= 10.4.
* m4/poll.m4: Update macOS to latest tested version.
Paul Eggert [Mon, 28 Nov 2022 04:52:04 +0000 (20:52 -0800)]
read-file: use memset_explicit
* lib/read-file.c (fread_file, read_file):
Use memset_explicit instead of explicit_bzero.
* modules/read-file (Depends-on): Depend on memset_explicit
instead of on explicit_bzero.