This is for Gawk, which does not use malloc-gnu.
* lib/regex.c (_GL_USE_STDLIB_ALLOC) [!_LIBC]:
Define, since this module is now safe for AIX-like malloc.
* lib/regex_internal.h (re_malloc) [!_LIBC && !HAVE_MALLOC_0_NONNULL]:
Don’t pass 0 to malloc.
* lib/regex_internal.h (IDX_MAX) [_REGEX_LARGE_OFFSETS]:
Port to non-POSIX platforms where limits.h does not define SSIZE_MAX.
This is for Gawk, which does not use Gnulib limits.h.
* lib/idx.h: Include <stddef.h>, <stdint.h> only if needed.
(idx_t, IDX_MAX): Rely on builtin macros __PTRDIFF_TYPE__,
__PTRDIFF_MAX__ if present; this avoids polluting the namespace on
GNUish systems.
Respect --disable-threads on native MS-Windows.
* lib/localename-unsafe.c (GLWTHREAD_MUTEX_INIT, glwthread_mutex_t)
(glwthread_mutex_lock, glwthread_mutex_unlock)
[AVOID_ANY_THREADS && _WIN32 && !__CYGWIN]:
Instead of including "windows-mutex.h", provide no-op substitutes
for its symbols used here.
* tests/test-c-strtod-mt.c:
* tests/test-c-strtof-mt.c:
* tests/test-c-strtold-mt.c:
(main): The tests make no sense when single-threaded, so skip them
by exiting with status 77.
* tests/test-c-strtod-mt.sh:
* tests/test-c-strtof-mt.sh:
* tests/test-c-strtold-mt.sh:
Exit with the failing test’s status, so that if it exits with
status 77 then we do too.
* lib/glthread/cond.h: Revert my 2026-03-31 namespace cleanup
patch, which was incorrect because this header’s
gl_cond_timedwait_func function uses lock_t even when threading is
disabled.
* lib/glthread/thread.c (gl_thread_create):
Define as a function only if multithreading.
This is cleaner than my previous patch today that sometimes made
it _Noreturn, as the function’s definition and declaration now always
agree on noreturnedness, and it pushes the noreturnedness issue up
to the caller. Also, it suppresses GCC’s “warning: function
declared 'noreturn' has a 'return' statement”.
* lib/glthread/thread.h (glthread_atfork, glthread_sigmask)
(glthread_create, glthread_join): Evaluate arguments even when
these macros are no-ops. Type-check the arguments too. This is
cleaner anyway, in case the args have the wrong types (or have
side effects!).
In a testdir, the Gnulib replacement for strtol may be used in gltests/
but not in gllib/.
* tests/test-xstrtol.c (is_GNULIB_strtol): Remove macro.
(main): Accept both behaviours of strtol on all platforms except MSVC.
* tests/test-xstrtoll.c (is_GNULIB_strtol): Remove macro.
* modules/regex (Link): Add $(LIBUNISTRING), $(LIBC32CONV).
* modules/regex-tests (Makefile.am): Link test-regex with
$(LIBUNISTRING) and $(LIBC32CONV).
In the regex code, use the char32_t functions instead of the
wchar_t functions, so that regex stays in sync with dfa.
This should fix a bug in Gnu grep reported by Dennis Clarke for
OpenBSD <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=80774#47>.
A similar bug occurs in some macOS releases.
* modules/regex (Depends-on): Replace btowc, iswctype, mbrtowc,
wchar-h, wcrtomb, wctype-h, and wctype with btoc32,
c32_apply_type_test, c32_get_type_test, c32isalnum, c32rtomb,
c32tolower, c32toupper, mbrtoc32-regular, uchar-h.
* lib/regex_internal.h [!_LIBC]: Do not include <wchar.h>, <wctype.h>.
Instead, include <uchar.h> and #define wchar_t, wctype_t,
__wctype, __iswalnum, __iswctype, __towlower, __towupper, __btowc,
__mbrtowc, and __wcrtomb to their char32_t counterparts.
This should help merges changes from Gawk, which always uses the
char32_t API though that’s sometimes implemented with the wchar_t
API even on platforms where wchar_t and char32_t act differently.
The idea is to use char32_t uniformly in both the dfa and regex
modules, so that they get consistent answers on all platforms.
* lib/dfa.c, lib/localeinfo.c, lib/localeinfo.h: If GAWK, do not
include <wctype.h> or redefine the Gnulib char32_t types and
functions to be wchar.h and wctype.h functions or define mbszero
and streq, as I think I have a better way to do this with Gawk
that is less intrusive here; instead, always include <uchar.h>.
* lib/dfa.c: Do not include <wchar.h>. Include "getext.h" before
including "xalloc.h" and "localinfo.h", as Gnulib doesn’t care
about the order and this works better with Gawk’s way of overriding Gnulib.
(parse_bracket_exp): Use && instead of &; either is correct and
both are equally fast nowadays but && triggers a warning in some
Gawk compiles.
* lib/dfa.h (_GL_ATTRIBUTE_MALLOC, _GL_ATTRIBUTE_DEALLOC)
(_GL_ATTRIBUTE_DEALLOC_FREE)
(_GL_ATTRIBUTE_RETURNS_NONNULL) [!_GL_ATTRIBUTE_MALLOC]:
Remove, as Gawk’s custom.h can define them.
* lib/localeinfo.c: Go back to using <verify.h> and ‘verify’
instead of using static_assert which Gawk can’t easily use because
it does not use Gnulib’s assert-h module.
* lib/localeinfo.h: Do not include <limits.h>, avoding some
namespace pollution.
(struct localeinfo): Use (unsigned char) -1 instead of UCHAR_MAX
to avoid the need to include <limits.h>.
* modules/dfa (Depends-on): Remove wchar-h.
This is only a partial cleanup; to be cleaner we’d need to
move declarations of Gnulib extensions like c32isalpha
into a separate .h file. However, if no Gnulib modules that
extend <uchar.h> are used, Gnulib <uchar.h> is now pretty clean on
recent GNUish platforms.
* lib/uchar.in.h: On GNUish platforms, include <stdint.h>,
<wchar.h>, <wctype.h> only if needed. Do not include <string.h>,
as we never need it directly: even if we use <string.h>’s memset
via mbszero, <wchar.h> should include <string.h> if needed, as
<wchar.h> defines mbszero. Move a static_assert from here to tests,
as the static_assert uses a symbol that is no longer guaranteed
to be visible.
* modules/uchar-h (Depends-on): Do not depend on assert-h.
* tests/test-uchar-h.c: Move a static_assert here from lib/uchar.in.h,
and include <wchar.h> so that wchar_t is guaranteed to be visible.
In the manual, document where POSIX.1-2024 allows namespace pollution.
Although it might be nice to add something like GNULIB_POSIXCHECK to
detect when Gnulib-using code is unportable in this area, I don’t
offhand see a good way to do that.
Do not pollute <wchar.h> includers with <string.h> names
on GCC-compatible platforms.
* lib/wchar.in.h (_GL_WCHAR_MEMSET) [@GNULIB_MBSZERO@]: New macro.
(mbszero): Use it.
With highly parallel "make syntax-check", sc_Wundef_boolean's
in_files='config.h' was matched as an unanchored, unescaped regex
by "find | grep -E", so the '.' matched any character and the lack
of anchoring matched anywhere in a path. This made it match the
.sc-start-sc_*config_h* marker files created by parallel rules.
Symptom: I saw see these go by:
grep: ./.sc-start-sc_require_config_h_first: No such file or directory
grep: ./.sc-start-sc_prohibit_have_config_h: No such file or directory
grep: ./.sc-start-sc_require_config_h: No such file or directory
* top/maint.mk (sc_Wundef_boolean): Use '(^|/)config\.h$' rather
than bare 'config.h' as the in_files ERE.
* lib/readutmp.c (read_utmp_from_systemd):
Do not merely treat a "manager*" class as a login process.
Instead, treat all non-"user*" processes as login processes.
With current systemd, this changes the treatment of "greeter",
"lock-screen", "background", "background-light", and "none"
classes so that they are now considered to be login processes, not
user processes.
* lib/regex_internal.c (re_node_set_insert): Remove the DEBUG_ASSERT
and instead return early for an attempt to insert an ELEM that is
already present in the set. Relax the function's comment that says
there should be no duplicate. This function is called from many
places and has been working fine. With its nontrivial backrefs,
the sample regexp apparently elicits enough backtracking retries
and state-set merges to trigger this duplicate insertion attempt.
Reported by Bruno Haible in
https://lists.gnu.org/r/bug-gnulib/2026-04/msg00138.html
* lib/fts.in.h (FTS_NOSTAT): Use a FIFO, not a directory,
in the commentary’s example. This is a better example
because directories never have FTS_NSOK.
Reported by Pádraig Brady.
* tests/test-pthread_sigmask2.c (main): Reestablish the signal handler
after SIGINT arrived.
* tests/test-sigdelay2.c (main): Likewise.
* tests/test-sigdelay1.c: New file, based on
tests/test-pthread_sigmask1.c.
* tests/test-sigdelay2.c: New file, based on
tests/test-pthread_sigmask2.c.
* modules/sigdelay-tests: New file.
* tests/test-pthread_sigmask2.c (killer_thread1): Renamed from
killer_thread.
(killer_thread2): New variable.
(killer_thread1_func): Renamed from killer_thread_func.
(killer_thread2_func): New function.
(main): Add a second test with killer_thread2.
* lib/stdbit.in.h: With the Intel icpx C++ compiler, include <stddef.h>
and <stdint.h>, and define the __STDC_ENDIAN_* macros.
* doc/posix-headers/stdbit.texi: Document the Intel icpx bug.
