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* login_tty: Fix compilation error in C++ mode on Solaris 11.4.Bruno Haible2023-04-081-2/+4
| | | | | | | | * m4/login_tty.m4 (gl_FUNC_LOGIN_TTY): Test whether <termios.h> exists. Consider it when testing whether login_tty is declared. * lib/utmp.in.h: If none of <util.h> and <libutil.h> exists, include <termios.h> instead. * doc/glibc-functions/login_tty.texi: Document the Solaris 11.4 problem.
* vasnwprintf-posix: Work around %La bug in glibc 2.15 and Haiku.Bruno Haible2023-04-072-43/+113
| | | | | | | | | | * m4/printf.m4 (gl_SWPRINTF_DIRECTIVE_LA): New macro. * m4/vasnprintf.m4 (gl_PREREQ_VASNWPRINTF): Invoke gl_SWPRINTF_DIRECTIVE_LA and define NEED_WPRINTF_DIRECTIVE_LA accordingly. * lib/vasnprintf.c: When compiling vasnwprintf, if NEED_WPRINTF_DIRECTIVE_LA, handle the %La and %LA directives ourselves. * doc/posix-functions/swprintf.texi: Mention the %La bug.
* uchar: Force inline functions to C linkage in C++ mode.Bruno Haible2023-04-061-1/+13
| | | | | | | * m4/gnulib-common.m4 (gl_COMMON_BODY): Put definitions of _GL_BEGIN_C_LINKAGE, _GL_END_C_LINKAGE into config.h. * lib/uchar.in.h: Enclose all inline functions in _GL_BEGIN_C_LINKAGE / _GL_END_C_LINKAGE.
* forkpty, openpty, login_tty: Fix link errors of the tests.Bruno Haible2023-04-051-11/+18
| | | | * m4/pty.m4 (gl_PTY_LIB): On Haiku, set PTY_LIB to '-lbsd'.
* uchar: Work around Haiku bug.Bruno Haible2023-04-053-6/+47
| | | | | | | | | | | | * m4/uchar_h.m4 (gl_UCHAR_H, gl_TYPE_CHAR8_T, gl_TYPE_CHAR16_T, gl_TYPE_CHAR32_T): Before including <uchar.h>, on Haiku, first include <stdint.h>. * m4/c32rtomb.m4 (gl_FUNC_C32RTOMB): Likewise. * m4/mbrtoc32.m4 (gl_FUNC_MBRTOC32, gl_CHECK_FUNC_MBRTOC32, gl_MBRTOC32_EMPTY_INPUT, gl_MBRTOC32_C_LOCALE, gl_MBRTOC32_SANITYCHECK): Likewise. * lib/uchar.in.h: On Haiku, include <stdint.h> before the include_next. * doc/posix-headers/uchar.texi: Mention the Haiku bug.
* stdlib: Work around MB_CUR_MAX bug on Solaris 10.Bruno Haible2023-04-041-1/+45
| | | | | | | | | | * lib/stdlib.in.h (gl_MB_CUR_MAX): New function. (MB_CUR_MAX, GNULIB_defined_MB_CUR_MAX): New macros. * m4/stdlib_h.m4 (gl_STDLIB_H): Test whether MB_CUR_MAX is correct. (gl_STDLIB_H_DEFAULTS): Initialize REPLACE_MB_CUR_MAX. * modules/stdlib (Files): Add m4/locale-fr.m4. (Makefile.am): Substitute REPLACE_MB_CUR_MAX. * doc/posix-headers/stdlib.texi: Mention the Solaris 10 bug.
* c32rtomb: Fix an autoconf test.Bruno Haible2023-04-041-1/+2
| | | | | * m4/c32rtomb.m4 (gl_FUNC_C32RTOMB): In a test program, include <stddef.h>, for NULL.
* mbrtoc32 tests: Add comment.Bruno Haible2023-04-032-1/+10
| | | | | | | | * m4/mbrtowc.m4 (gl_MBRTOWC_C_LOCALE): Add comment. * m4/mbrtoc32.m4 (gl_MBRTOC32_C_LOCALE): Add comment. * tests/test-mbrtoc32.c: Add comment. * tests/test-mbrtoc32-5.sh: Use symmetric coding style. * doc/posix-functions/mbrtoc32.texi: Update.
* vasnwprintf-posix: Fix behaviour in the C locale.Bruno Haible2023-04-011-1/+10
| | | | | | | | | | | | | | | | * lib/vasnprintf.c (VASNPRINTF): If NEED_WPRINTF_DIRECTIVE_C is set, implement the 'c' directive here. * m4/vasnprintf.m4 (gl_PREREQ_VASNWPRINTF): Invoke gl_MBRTOWC_C_LOCALE. If mbrtowc is buggy in the C locale, define NEED_WPRINTF_DIRECTIVE_C. * modules/vasnwprintf (Files): Add m4/mbrtowc.m4. * tests/test-vasnwprintf-posix.c (test_function): Add tests of %s and %c in the C locale. * doc/posix-functions/fwprintf.texi: Mention the C locale behaviour bug. * doc/posix-functions/swprintf.texi: Likewise. * doc/posix-functions/vfwprintf.texi: Likewise. * doc/posix-functions/vswprintf.texi: Likewise. * doc/posix-functions/vwprintf.texi: Likewise. * doc/posix-functions/wprintf.texi: Likewise.
* mbstowcs: New module.Bruno Haible2023-03-312-3/+26
| | | | | | | | | | | | | | | * lib/stdlib.in.h (mbstowcs): New declaration. * lib/mbstowcs.c: New file, based on lib/mbstoc32s.c. * m4/mbstowcs.m4: New file. * m4/stdlib_h.m4 (gl_STDLIB_H): Test whether mbstowcs is declared. (gl_STDLIB_H_REQUIRE_DEFAULTS): Initialize GNULIB_MBSTOWCS. (gl_STDLIB_H_DEFAULTS): Initialize REPLACE_MBSTOWCS. * modules/stdlib (Makefile.am): Substitute GNULIB_MBSTOWCS, REPLACE_MBSTOWCS. * modules/mbstowcs: New file. * tests/test-stdlib-c++.cc (mbstowcs): Check signature. * doc/posix-functions/mbstowcs.texi: Mention the C locale behaviour bug and the new module.
* mbsnrtowcs: Fix behaviour in the C locale.Bruno Haible2023-03-301-1/+8
| | | | | | | | | | | | | * m4/mbsnrtowcs.m4 (gl_FUNC_MBSNRTOWCS): Invoke gl_MBRTOWC_C_LOCALE. If mbrtowc is buggy in the C locale, override also mbsnrtowcs. * modules/mbsnrtowcs (Files): Add m4/mbrtowc.m4. * tests/test-mbsnrtowcs.c (main): Add a test of the C locale, based on tests/test-mbsrtowcs.c. * tests/test-mbsnrtowcs5.sh: New file, based on tests/test-mbrtowc5.sh. * modules/mbsnrtowcs-tests (Files): Add it. (Makefile.am): Test it. * doc/posix-functions/mbsnrtowcs.texi: Mention the C locale behaviour bug.
* mbsrtowcs: Fix behaviour in the C locale.Bruno Haible2023-03-301-1/+8
| | | | | | | | | | | | | * m4/mbsrtowcs.m4 (gl_FUNC_MBSRTOWCS): Invoke gl_MBRTOWC_C_LOCALE. If mbrtowc is buggy in the C locale, override also mbsrtowcs. * modules/mbsrtowcs (Files): Add m4/mbrtowc.m4. * tests/test-mbsrtowcs.c (main): Add a test of the C locale, based on tests/test-mbrtowc.c. * tests/test-mbsrtowcs5.sh: New file, based on tests/test-mbrtowc5.sh. * modules/mbsrtowcs-tests (Files): Add it. (Makefile.am): Test it. * doc/posix-functions/mbsrtowcs.texi: Mention the C locale behaviour bug.
* btowc: Fix behaviour in the C locale.Bruno Haible2023-03-301-1/+56
| | | | | | | | | | | | | | | | | | * lib/btowc.c: Include <string.h> (btowc): Use mbrtowc instead of mbtowc when possible. * m4/btowc.m4 (gl_FUNC_BTOWC): Test for the mingw bug in the C locale. Invoke gl_MBRTOWC_C_LOCALE. If mbrtowc is buggy in the C locale, override also btowc. (gl_PREREQ_BTOWC): Test whether mbrtowc exists. * modules/btowc (Files): Add m4/mbrtowc.m4. (Depends-on): Add mbrtowc. * tests/test-btowc.c (main): Add a test of the C locale, based on tests/test-mbrtowc.c. * tests/test-btowc3.sh: New file, based on tests/test-mbrtowc5.sh. * modules/btowc-tests (Files): Add it. (Makefile.am): Test it. * doc/posix-functions/btowc.texi: Mention the two C locale behaviour bugs and that they are worked around.
* snprintf: Avoid autoconf warning regarding gl_PRINTF_POSITIONS.Bruno Haible2023-03-301-2/+2
| | | | * m4/printf.m4 (gl_PRINTF_POSITIONS): Define through AC_DEFUN_ONCE.
* wcsstr: Ensure worst-case linear execution time.Bruno Haible2023-03-272-3/+63
| | | | | | | | | | | | | | | | | | | | | | | | | * lib/wchar.in.h (wcsstr): Consider REPLACE_WCSSTR. * lib/wcs-two-way.h: New file, based on lib/str-two-way.h. * lib/wcsstr-impl.h: If requested, use the two-way algorithm. New code based on lib/strstr.c. * m4/wcsstr.m4 (gl_FUNC_WCSSTR_SIMPLE): Renamed from gl_FUNC_WCSSTR. (gl_FUNC_WCSSTR): New macro, based on gl_FUNC_STRSTR in m4/strstr.m4. * m4/wchar_h.m4 (gl_WCHAR_H_DEFAULTS): Initialize REPLACE_WCSSTR. * modules/wchar (Makefile.am): Substitute REPLACE_WCSSTR. * modules/wcsstr-simple: New file, based on modules/wcsstr. * modules/wcsstr (Description): Document that this module now provides an efficient implementation. (Files): Add lib/wcs-two-way.h. (Depends-on): Depend on wcsstr-simple and the dependencies of the two-way implementation. (configure.ac): Use AC_LIBOBJ instead of a conditional. Don't invoke gl_WCHAR_MODULE_INDICATOR. (Makefile.am): Don't augment lib_SOURCES. * tests/test-wcsstr.c: New file, based on tests/test-strstr.c. * modules/wcsstr-tests: New file, based on modules/strstr-tests. * doc/posix-functions/wcsstr.texi: Mention the worst-case complexity. Mention the new 'wcsstr-simple' module. * doc/posix-functions/strstr.texi: Fix typo.
* uchar: ISO C 23: Define char8_t.Bruno Haible2023-03-271-1/+50
| | | | | | | | | * lib/uchar.in.h (char8_t): New type or macro. * m4/uchar_h.m4 (gl_TYPE_CHAR8_T): New macro. (gl_UCHAR_H): Invoke it. Set CXX_HAS_CHAR8_TYPE. * modules/uchar (Makefile.am): Substitute CXX_HAS_CHAR8_TYPE, GNULIBHEADERS_OVERRIDE_CHAR8_T. * tests/test-uchar.c: Add tests for char8_t.
* call_once: New module, separate from mtx.Bruno Haible2023-03-251-1/+2
| | | | | | | | | | | | | | | | | | | * lib/threads.in.h (call_once): Declare as part of module 'call_once', not module 'mtx'. * lib/call_once.c: New file, extracted from lib/mtx.c. * lib/mtx.c (call_once): Remove function. * m4/threads_h.m4 (gl_THREADS_H_REQUIRE_DEFAULTS): Inititalize GNULIB_CALL_ONCE. * modules/threads-h (Makefile.am): Substitute GNULIB_CALL_ONCE. * modules/call_once: New file, based on modules/mtx. * modules/threads (Depends-on): Add call_once. * tests/test-threads-c++.cc: Update accordingly. * modules/call_once-tests: New file, based on modules/mtx-tests. * modules/mtx-tests (Files): Remove tests/test-call_once.c. (Makefile.am): Don't compile test-call_once. * doc/posix-functions/call_once.texi: Document that the relevant module is now 'call_once'. * NEWS: Mention the change.
* stdio: ISO C 23: Define _PRINTF_NAN_LEN_MAX.Bruno Haible2023-03-251-1/+4
| | | | | | | | | | | | * lib/stdio.in.h (_PRINTF_NAN_LEN_MAX): New macro. * m4/stdio_h.m4 (gl_STDIO_H): Invoke gl_MUSL_LIBC. * modules/stdio (Files): Add m4/musl.m4. * tests/test-stdio.c: Check that _PRINTF_NAN_LEN_MAX is defined. Include nan.h, macros.h. (main): Check the value of _PRINTF_NAN_LEN_MAX. * modules/stdio-tests (Files): Add tests/nan.h, tests/macros.h, m4/exponentd.m4. (configure.ac): Invoke gl_DOUBLE_EXPONENT_LOCATION.
* *printf-posix: ISO C 23: Support size specifiers 'wN' and 'wfN'.Bruno Haible2023-03-2412-311/+454
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * lib/printf-args.h: Include <stdint.h>. (arg_type): Add TYPE_[U]INT8_T, ..., TYPE_[U]INT_FAST64_T and TYPE_COUNT_INT8_T_POINTER, ..., TYPE_COUNT_INT_FAST64_T_POINTER. (argument): Add the union members a_[u]int8_t, ..., a_[u]int_fast64_t and a_count_int8_t_pointer, ..., a_count_int_fast64_t_pointer. * lib/printf-args.c: Include <limits.h>. (PRINTF_FETCHARGS): Handle TYPE_[U]INT8_T, ..., TYPE_[U]INT_FAST64_T and TYPE_COUNT_INT8_T_POINTER, ..., TYPE_COUNT_INT_FAST64_T_POINTER. * lib/printf-parse.c (PRINTF_PARSE): Accept only one size specifier, not a sequence of size specifiers. Accept "wN" and "wfN", where N = 8, 16, 32, 64. * lib/vasnprintf.c (MAX_ROOM_NEEDED, VASNPRINTF): Handle the new TYPE_* values as well. * m4/printf.m4 (gl_PRINTF_SIZES_C23): New macro. * m4/vasnprintf-posix.m4 (gl_FUNC_VASNPRINTF_IS_POSIX): Require gl_PRINTF_SIZES_C23. Test gl_cv_func_printf_sizes_c23. * m4/dprintf-posix.m4 (gl_FUNC_DPRINTF_IS_POSIX): Likewise. * m4/fprintf-posix.m4 (gl_FUNC_FPRINTF_IS_POSIX): Likewise. * m4/obstack-printf-posix.m4 (gl_FUNC_OBSTACK_PRINTF_IS_POSIX): Likewise. * m4/snprintf-posix.m4 (gl_FUNC_SNPRINTF_IS_POSIX): Likewise. * m4/sprintf-posix.m4 (gl_FUNC_SPRINTF_IS_POSIX): Likewise. * m4/vasprintf-posix.m4 (gl_FUNC_VASPRINTF_IS_POSIX): Likewise. * m4/vdprintf-posix.m4 (gl_FUNC_VDPRINTF_IS_POSIX): Likewise. * m4/vfprintf-posix.m4 (gl_FUNC_VFPRINTF_IS_POSIX): Likewise. * m4/vsnprintf-posix.m4 (gl_FUNC_VSNPRINTF_IS_POSIX): Likewise. * m4/vsprintf-posix.m4 (gl_FUNC_VSPRINTF_IS_POSIX): Likewise. * tests/test-vasnprintf-posix.c (test_function): Add tests for size specifiers with %d, %u, %b, %o, %x. * tests/test-snprintf-posix.h (test_function): Likewise. * tests/test-sprintf-posix.h (test_function): Likewise. * tests/test-vasnwprintf-posix.c (test_function): Likewise. * tests/test-vasprintf-posix.c (test_function): Likewise. * modules/vasnprintf (Depends-on): Add limits-h. * modules/vasnwprintf (Depends-on): Add limits-h. * modules/c-vasnprintf (Depends-on): Add limits-h, stdint. * modules/unistdio/u-printf-args (Depends-on): Add stdint, limits-h. * doc/posix-functions/dprintf.texi: Mention the ISO C 23 size specifiers. * doc/posix-functions/fprintf.texi: Likewise. * doc/posix-functions/fwprintf.texi: Likewise. * doc/posix-functions/printf.texi: Likewise. * doc/posix-functions/snprintf.texi: Likewise. * doc/posix-functions/sprintf.texi: Likewise. * doc/posix-functions/swprintf.texi: Likewise. * doc/posix-functions/vdprintf.texi: Likewise. * doc/posix-functions/vfprintf.texi: Likewise. * doc/posix-functions/vfwprintf.texi: Likewise. * doc/posix-functions/vprintf.texi: Likewise. * doc/posix-functions/vsnprintf.texi: Likewise. * doc/posix-functions/vsprintf.texi: Likewise. * doc/posix-functions/vswprintf.texi: Likewise. * doc/posix-functions/vwprintf.texi: Likewise. * doc/posix-functions/wprintf.texi: Likewise.
* vasnwprintf-gnu: New module.Bruno Haible2023-03-242-14/+41
| | | | | | | | * m4/vasnwprintf-posix.m4 (gl_FUNC_VASNWPRINTF_IS_POSIX): New macro. (gl_FUNC_VASNWPRINTF_POSIX): Require it. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS. * m4/vasnwprintf-gnu.m4: New file, based on m4/vasnprintf-gnu.m4. * modules/vasnwprintf-gnu: New file, based on modules/vasnprintf-gnu.
* obstack-printf-gnu: New module.Bruno Haible2023-03-242-19/+40
| | | | | | | | | | | | * m4/obstack-printf-posix.m4 (gl_FUNC_OBSTACK_PRINTF_IS_POSIX): New macro, extracted from gl_FUNC_OBSTACK_PRINTF_POSIX. (gl_FUNC_OBSTACK_PRINTF_POSIX): Require it. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS. * m4/obstack-printf-gnu.m4: New file, based on m4/obstack-printf-posix.m4. * modules/obstack-printf-gnu: New file, based on modules/vasnprintf-gnu. * doc/glibc-functions/obstack_printf.texi: Mention the new module. * doc/glibc-functions/obstack_vprintf.texi: Likewise.
* dprintf-gnu: New module.Bruno Haible2023-03-242-18/+38
| | | | | | | | | | * m4/dprintf-posix.m4 (gl_FUNC_DPRINTF_IS_POSIX): New macro, extracted from gl_FUNC_DPRINTF_POSIX. (gl_FUNC_DPRINTF_POSIX): Require it. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS. * m4/dprintf-gnu.m4: New file, based on m4/dprintf-posix.m4. * modules/dprintf-gnu: New file, based on modules/vasnprintf-gnu. * doc/posix-functions/dprintf.texi: Mention the new module.
* vdprintf-gnu: New module.Bruno Haible2023-03-242-18/+38
| | | | | | | | | | * m4/vdprintf-posix.m4 (gl_FUNC_VDPRINTF_IS_POSIX): New macro, extracted from gl_FUNC_VDPRINTF_POSIX. (gl_FUNC_VDPRINTF_POSIX): Require it. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS. * m4/vdprintf-gnu.m4: New file, based on m4/vdprintf-posix.m4. * modules/vdprintf-gnu: New file, based on modules/vasnprintf-gnu. * doc/posix-functions/vdprintf.texi: Mention the new module.
* printf-gnu: New module.Bruno Haible2023-03-242-3/+38
| | | | | | | | | | | | * m4/printf-posix.m4: Renamed from m4/printf-posix-rpl.m4. (gl_FUNC_PRINTF_IS_POSIX): New macro. (gl_FUNC_PRINTF_POSIX): Require it. Don't require gl_FUNC_VFPRINTF_POSIX. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS and gl_REPLACE_VASNPRINTF. * m4/printf-gnu.m4: New file, based on m4/fprintf-posix.m4. * modules/printf-posix (Files): Update. * modules/printf-gnu: New file, based on modules/vasnprintf-gnu. * doc/posix-functions/printf.texi: Mention the new module.
* vprintf-gnu: New module.Bruno Haible2023-03-242-3/+38
| | | | | | | | | | * m4/vprintf-posix.m4 (gl_FUNC_VPRINTF_IS_POSIX): New macro. (gl_FUNC_VPRINTF_POSIX): Require it. Don't require gl_FUNC_VFPRINTF_POSIX. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS and gl_REPLACE_VASNPRINTF. * m4/vprintf-gnu.m4: New file, based on m4/vfprintf-posix.m4. * modules/vprintf-gnu: New file, based on modules/vasnprintf-gnu. * doc/posix-functions/vprintf.texi: Mention the new module.
* fprintf-gnu: New module.Bruno Haible2023-03-242-18/+38
| | | | | | | | | | * m4/fprintf-posix.m4 (gl_FUNC_FPRINTF_IS_POSIX): New macro, extracted from gl_FUNC_FPRINTF_POSIX. (gl_FUNC_FPRINTF_POSIX): Require it. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS. * m4/fprintf-gnu.m4: New file, based on m4/fprintf-posix.m4. * modules/fprintf-gnu: New file, based on modules/vasnprintf-gnu. * doc/posix-functions/fprintf.texi: Mention the new module.
* vfprintf-gnu: New module.Bruno Haible2023-03-242-18/+38
| | | | | | | | | | * m4/vfprintf-posix.m4 (gl_FUNC_VFPRINTF_IS_POSIX): New macro, extracted from gl_FUNC_VFPRINTF_POSIX. (gl_FUNC_VFPRINTF_POSIX): Require it. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS. * m4/vfprintf-gnu.m4: New file, based on m4/vfprintf-posix.m4. * modules/vfprintf-gnu: New file, based on modules/vasnprintf-gnu. * doc/posix-functions/vfprintf.texi: Mention the new module.
* vasprintf-gnu: New module.Bruno Haible2023-03-242-18/+38
| | | | | | | | | | | * m4/vasprintf-posix.m4 (gl_FUNC_VASPRINTF_IS_POSIX): New macro, extracted from gl_FUNC_VASPRINTF_POSIX. (gl_FUNC_VASPRINTF_POSIX): Require it. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS. * m4/vasprintf-gnu.m4: New file, based on m4/vasprintf-posix.m4. * modules/vasprintf-gnu: New file, based on modules/vasnprintf-gnu. * doc/glibc-functions/vasprintf.texi: Mention the new module. * doc/glibc-functions/asprintf.texi: Likewise.
* sprintf-gnu: New module.Bruno Haible2023-03-242-18/+38
| | | | | | | | | | * m4/sprintf-posix.m4 (gl_FUNC_SPRINTF_IS_POSIX): New macro, extracted from gl_FUNC_SPRINTF_POSIX. (gl_FUNC_SPRINTF_POSIX): Require it. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS. * m4/sprintf-gnu.m4: New file, based on m4/sprintf-posix.m4. * modules/sprintf-gnu: New file, based on modules/vasnprintf-gnu. * doc/posix-functions/sprintf.texi: Mention the new module.
* vsprintf-gnu: New module.Bruno Haible2023-03-242-18/+38
| | | | | | | | | | * m4/vsprintf-posix.m4 (gl_FUNC_VSPRINTF_IS_POSIX): New macro, extracted from gl_FUNC_VSPRINTF_POSIX. (gl_FUNC_VSPRINTF_POSIX): Require it. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS. * m4/vsprintf-gnu.m4: New file, based on m4/vsprintf-posix.m4. * modules/vsprintf-gnu: New file, based on modules/vasnprintf-gnu. * doc/posix-functions/vsprintf.texi: Mention the new module.
* snprintf-gnu: New module.Bruno Haible2023-03-242-18/+38
| | | | | | | | | | * m4/snprintf-posix.m4 (gl_FUNC_SNPRINTF_IS_POSIX): New macro, extracted from gl_FUNC_SNPRINTF_POSIX. (gl_FUNC_SNPRINTF_POSIX): Require it. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS. * m4/snprintf-gnu.m4: New file, based on m4/snprintf-posix.m4. * modules/snprintf-gnu: New file, based on modules/vasnprintf-gnu. * doc/posix-functions/snprintf.texi: Mention the new module.
* vsnprintf-gnu: New module.Bruno Haible2023-03-242-18/+38
| | | | | | | | | | * m4/vsnprintf-posix.m4 (gl_FUNC_VSNPRINTF_IS_POSIX): New macro, extracted from gl_FUNC_VSNPRINTF_POSIX. (gl_FUNC_VSNPRINTF_POSIX): Require it. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS. * m4/vsnprintf-gnu.m4: New file, based on m4/vsnprintf-posix.m4. * modules/vsnprintf-gnu: New file, based on modules/vasnprintf-gnu. * doc/posix-functions/vsnprintf.texi: Mention the new module.
* vasnprintf-gnu: New module.Bruno Haible2023-03-244-97/+210
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Suggested by Eric Blake in <https://lists.gnu.org/archive/html/bug-gnulib/2023-03/msg00060.html>. * lib/printf-parse.c (PRINTF_PARSE): Recognize the 'B' conversion. * lib/printf-parse.h: Update comments. * lib/wprintf-parse.h: Likewise. * lib/vasnprintf.c (MAX_ROOM_NEEDED): Treat the 'B' conversion like 'b'. (VASNPRINTF): Implement 'B' conversion if NEED_PRINTF_DIRECTIVE_UPPERCASE_B is set. Support the 'B' conversion if requested. * m4/printf.m4 (gl_PRINTF_DIRECTIVE_B): When cross-compiling, guess yes on glibc >= 2.35. (gl_PRINTF_DIRECTIVE_UPPERCASE_B): New macro. * m4/vasnprintf.m4 (gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS): Renamed from gl_PREREQ_VASNPRINTF_WITH_EXTRAS. (gl_PREREQ_VASNPRINTF_DIRECTIVE_UPPERCASE_B, gl_PREREQ_VASNPRINTF_WITH_GNU_EXTRAS): New macros. * m4/vasnprintf-posix.m4 (gl_FUNC_VASNPRINTF_IS_POSIX): New macro, extracted from gl_FUNC_VASNPRINTF_POSIX. (gl_FUNC_VASNPRINTF_POSIX): Require it. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS. * m4/vasnprintf-gnu.m4: New file. * modules/vasnprintf-gnu: New file. * modules/c-vasnprintf (configure.ac): Update. * modules/unistdio/u8-vasnprintf (configure.ac): Likewise. * modules/unistdio/u8-u8-vasnprintf (configure.ac): Likewise. * modules/unistdio/u16-vasnprintf (configure.ac): Likewise. * modules/unistdio/u16-u16-vasnprintf (configure.ac): Likewise. * modules/unistdio/u32-vasnprintf (configure.ac): Likewise. * modules/unistdio/u32-u32-vasnprintf (configure.ac): Likewise. * modules/unistdio/ulc-vasnprintf (configure.ac): Likewise.
* vasnwprintf: Fix a warning: implicit declaration of function ‘wcsnlen’.Bruno Haible2023-03-221-1/+2
| | | | | | | * m4/vasnprintf.m4 (gl_PREREQ_VASNWPRINTF): Test also whether wcsnlen is declared. * lib/vasnprintf.c (local_wcsnlen): Together with HAVE_WCSNLEN, test also HAVE_DECL_WCSNLEN.
* vasnwprintf: Fix test failures on FreeBSD, NetBSD, AIX, mingw.Bruno Haible2023-03-222-45/+120
| | | | | | | | | | | | | * m4/printf.m4 (gl_SWPRINTF_WORKS): New macro. * m4/vasnprintf.m4 (gl_PREREQ_VASNWPRINTF): Invoke it and define HAVE_WORKING_SWPRINTF accordingly. * lib/vasnprintf.c: Together with HAVE_SWPRINTF, test also HAVE_WORKING_SWPRINTF. (VASNPRINTF): If WIDE_CHAR_VERSION && !DCHAR_IS_TCHAR, don't pass a wchar_t[] to snprintf. Add a workaround against mingw's snwprintf function. * doc/posix-functions/swprintf.texi: Document the null wide character bug.
* *printf-posix: Work around bug with %lc of 0 on many platforms.Bruno Haible2023-03-2113-189/+323
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * lib/vasnprintf.c (local_wctomb): Define also for NEED_PRINTF_DIRECTIVE_LC. (VASNPRINTF): Implement %lc handling ourselves if NEED_PRINTF_DIRECTIVE_LC. * m4/printf.m4 (gl_PRINTF_DIRECTIVE_LC): New macro. * m4/vasnprintf.m4 (gl_PREREQ_VASNPRINTF_DIRECTIVE_LC): New macro. (gl_PREREQ_VASNPRINTF_WITH_EXTRAS): Invoke it. * m4/dprintf-posix.m4 (gl_FUNC_DPRINTF_POSIX): Require gl_PRINTF_DIRECTIVE_LC and test its result. Invoke gl_PREREQ_VASNPRINTF_DIRECTIVE_LC. * m4/fprintf-posix.m4 (gl_FUNC_FPRINTF_POSIX): Likewise. * m4/obstack-printf-posix.m4 (gl_FUNC_OBSTACK_PRINTF_POSIX): Likewise. * m4/snprintf-posix.m4 (gl_FUNC_SNPRINTF_POSIX): Likewise. * m4/sprintf-posix.m4 (gl_FUNC_SPRINTF_POSIX): Likewise. * m4/vasnprintf-posix.m4 (gl_FUNC_VASNPRINTF_POSIX): Likewise. * m4/vasprintf-posix.m4 (gl_FUNC_VASPRINTF_POSIX): Likewise. * m4/vdprintf-posix.m4 (gl_FUNC_VDPRINTF_POSIX): Likewise. * m4/vfprintf-posix.m4 (gl_FUNC_VFPRINTF_POSIX): Likewise. * m4/vsnprintf-posix.m4 (gl_FUNC_VSNPRINTF_POSIX): Likewise. * m4/vsprintf-posix.m4 (gl_FUNC_VSPRINTF_POSIX): Likewise. * tests/test-snprintf-posix.h (test_function): Add more tests for the %c and %lc directives. * tests/test-sprintf-posix.h (test_function): Likewise. * tests/test-vasnprintf-posix.c (test_function): Likewise. * tests/test-vasprintf-posix.c (test_function): Likewise. * doc/glibc-functions/asprintf.texi: Mention the %lc 0 bug. * doc/glibc-functions/obstack_printf.texi: Likewise. * doc/glibc-functions/obstack_vprintf.texi: Likewise. * doc/glibc-functions/vasprintf.texi: Likewise. * doc/posix-functions/dprintf.texi: Likewise. * doc/posix-functions/fprintf.texi: Likewise. * doc/posix-functions/printf.texi: Likewise. * doc/posix-functions/snprintf.texi: Likewise. * doc/posix-functions/sprintf.texi: Likewise. * doc/posix-functions/vdprintf.texi: Likewise. * doc/posix-functions/vfprintf.texi: Likewise. * doc/posix-functions/vprintf.texi: Likewise. * doc/posix-functions/vsnprintf.texi: Likewise. * doc/posix-functions/vsprintf.texi: Likewise.
* vasnwprintf: Port to older platforms without swprintf.Bruno Haible2023-03-201-2/+2
| | | | | | | | | | | * m4/vasnprintf.m4 (gl_PREREQ_VASNWPRINTF): Test for swprintf. * lib/vasnprintf.c (TCHAR_T, DCHAR_IS_TCHAR, SNPRINTF): When WIDE_CHAR_VERSION and swprintf does not exist, use TCHAR_T = char, SNPRINTF = snprintf, and !DCHAR_IS_TCHAR. (VASNPRINTF): In this case, implement %ls and %lc directly. Adjust a couple of #if conditions. For the conversion from TCHAR_T[] to DCHAR_T[], use mbsrtowcs. * modules/vasnwprintf (Depends-on): Add mbsrtowcs.
* vasnwprintf: Fix test failures on musl libc.Bruno Haible2023-03-201-1/+2
| | | | | | | | | | * m4/vasnprintf.m4 (gl_PREREQ_VASNWPRINTF): Invoke gl_MUSL_LIBC. * lib/vasnprintf.c (VASNPRINTF): On musl libc, when WIDE_CHAR_VERSION, - force pad_ourselves to be 1, - don't use %n. Fix zero-padding when the result starts with a prefix "0x" or "0b". * modules/vasnwprintf (Files): Add musl.m4. * doc/posix-functions/swprintf.texi: Mention two musl libc bugs.
* *printf-posix: ISO C 23: Add %b directive for binary output of integers.Bruno Haible2023-03-1714-229/+358
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * lib/printf-parse.c (PRINTF_PARSE): Recognize the 'b' directive. * lib/printf-parse.h: Update comment. * lib/wprintf-parse.h: Likewise. * lib/vasnprintf.c (MAX_ROOM_NEEDED, VASNPRINTF): Add support for the 'b' directive. * m4/printf.m4 (gl_PRINTF_DIRECTIVE_B): New macro. * m4/vasnprintf.m4 (gl_PREREQ_VASNPRINTF_DIRECTIVE_B): New macro. (gl_PREREQ_VASNPRINTF_WITH_EXTRAS): Invoke it. * m4/vasnwprintf-posix.m4 (gl_FUNC_VASNWPRINTF_POSIX): Invoke gl_PREREQ_VASNPRINTF_DIRECTIVE_B. * m4/dprintf-posix.m4 (gl_FUNC_DPRINTF_POSIX): Require gl_PRINTF_DIRECTIVE_B and test its result. Invoke gl_PREREQ_VASNPRINTF_DIRECTIVE_B. * m4/fprintf-posix.m4 (gl_FUNC_FPRINTF_POSIX): Likewise. * m4/obstack-printf-posix.m4 (gl_FUNC_OBSTACK_PRINTF_POSIX): Likewise. * m4/snprintf-posix.m4 (gl_FUNC_SNPRINTF_POSIX): Likewise. * m4/sprintf-posix.m4 (gl_FUNC_SPRINTF_POSIX): Likewise. * m4/vasnprintf-posix.m4 (gl_FUNC_VASNPRINTF_POSIX): Likewise. * m4/vasprintf-posix.m4 (gl_FUNC_VASPRINTF_POSIX): Likewise. * m4/vdprintf-posix.m4 (gl_FUNC_VDPRINTF_POSIX): Likewise. * m4/vfprintf-posix.m4 (gl_FUNC_VFPRINTF_POSIX): Likewise. * m4/vsnprintf-posix.m4 (gl_FUNC_VSNPRINTF_POSIX): Likewise. * m4/vsprintf-posix.m4 (gl_FUNC_VSPRINTF_POSIX): Likewise. * tests/test-snprintf-posix.h (test_function): Add some tests of the %b directive. * tests/test-sprintf-posix.h (test_function): Likewise. * tests/test-vasnprintf-posix.c (test_function): Likewise. * tests/test-vasnwprintf-posix.c (test_function): Likewise. * tests/test-vasprintf-posix.c (test_function): Likewise. * doc/glibc-functions/asprintf.texi: Mention the 'b' directive. * doc/glibc-functions/obstack_printf.texi: Likewise. * doc/glibc-functions/obstack_vprintf.texi: Likewise. * doc/glibc-functions/vasprintf.texi: Likewise. * doc/posix-functions/dprintf.texi: Likewise. * doc/posix-functions/fprintf.texi: Likewise. * doc/posix-functions/fwprintf.texi: Likewise. * doc/posix-functions/printf.texi: Likewise. * doc/posix-functions/snprintf.texi: Likewise. * doc/posix-functions/sprintf.texi: Likewise. * doc/posix-functions/swprintf.texi: Likewise. * doc/posix-functions/vdprintf.texi: Likewise. * doc/posix-functions/vfprintf.texi: Likewise. * doc/posix-functions/vfwprintf.texi: Likewise. * doc/posix-functions/vprintf.texi: Likewise. * doc/posix-functions/vsnprintf.texi: Likewise. * doc/posix-functions/vsprintf.texi: Likewise. * doc/posix-functions/vswprintf.texi: Likewise. * doc/posix-functions/vwprintf.texi: Likewise. * doc/posix-functions/wprintf.texi: Likewise.
* time: Fix test failure on AIX 7.2.Bruno Haible2023-03-171-1/+3
| | | | | * m4/time.m4 (gl_FUNC_TIME): Guess that it does not work on AIX. * doc/posix-functions/time.texi: Mention the bug on AIX.
* time: Fix test failure on native Windows.Bruno Haible2023-03-171-4/+7
| | | | | | | * m4/time.m4 (gl_FUNC_TIME): Guess that it does not work on native Windows. * modules/time (Depends-on): Add gettimeofday. * doc/posix-functions/time.texi: Mention the bug on Windows.
* vasnwprintf-posix: New module.Bruno Haible2023-03-171-0/+21
| | | | | | * m4/vasnwprintf-posix.m4: New file. * modules/vasnwprintf-posix: New file, based on modules/vasnprintf-posix.
* vasnwprintf: New module.Bruno Haible2023-03-171-9/+35
| | | | | | | | | | | | | | | | | | | * lib/vasnprintf.c: Enable more code for WIDE_CHAR_VERSION, because snwprintf()/_snwprintf() (Windows) and swprintf() (Unix) don't return the needed buffer size, like snprintf does. * lib/wprintf-parse.h: New file, based on lib/printf-parse.h and gettext/gettext-runtime/intl/wprintf-parse.h. * lib/wprintf-parse.c: New file, based on gettext/gettext-runtime/intl/printf.c. * lib/vasnwprintf.h: New file, based on lib/vasnprintf.h and gettext/gettext-runtime/intl/vasnwprintf.h. * lib/vasnwprintf.c: New file. * lib/asnwprintf.c: New file, based on lib/asnprintf.c. * m4/vasnprintf.m4 (gl_FUNC_VASNWPRINTF): New macro. (gl_PREREQ_VASNXPRINTF): New macro, extracted from gl_PREREQ_VASNPRINTF. (gl_PREREQ_VASNPRINTF): Invoke it. Don't test for wcsnlen and mbrtowc. (gl_PREREQ_VASNWPRINTF): New macro. * modules/vasnwprintf: New file, based on modules/vasnprintf.
* strtol, strtoll, strtoul, strtoull: Make ISO C 23 compliant.Bruno Haible2023-03-164-16/+60
| | | | | | | | | | | | | | | | | | | | * lib/strtol.c (INTERNAL (strtol)): Treat 'b' and base 2 like 'x' and base 16. Based on glibc commit 64924422a99690d147a166b4de3103f3bf3eaf6c by Joseph Myers. * m4/strtol.m4 (gl_FUNC_STRTOL): Test also whether parsing binary integers works. Update cross-compilation guesses. * m4/strtoll.m4 (gl_FUNC_STRTOLL): Likewise. * m4/strtoul.m4 (gl_FUNC_STRTOUL): Likewise. * m4/strtoull.m4 (gl_FUNC_STRTOULL): Likewise. * tests/test-strtol.c (main): Add tests of parsing binary integers. * tests/test-strtoll.c (main): Likewise. * tests/test-strtoul.c (main): Likewise. * tests/test-strtoull.c (main): Likewise. * doc/posix-functions/strtol.texi: Mention the problem with parsing binary integers. * doc/posix-functions/strtoll.texi: Likewise. * doc/posix-functions/strtoul.texi: Likewise. * doc/posix-functions/strtoull.texi: Likewise.
* stddef: Define 'unreachable', for ISO C 23 compliance.Bruno Haible2023-03-161-1/+16
| | | | | | | | | | | | * lib/verify.h (_GL_HAS_BUILTIN_UNREACHABLE): Don't define if already defined. * lib/stddef.in.h (_GL_HAS_BUILTIN_UNREACHABLE, unreachable): New macros. (abort): Declare if needed for unreachable. * m4/stddef_h.m4 (gl_STDDEF_H): Test for unreachable. * tests/test-stddef.c (test_unreachable_optimization, test_unreachable_noreturn): New functions, based on tests/test-verify.c. * doc/posix-headers/stddef.texi: Mention unreachable.
* time: New module.Bruno Haible2023-03-082-1/+46
| | | | | | | | | | | | | | * lib/time.in.h (time): New declaration. * lib/time.c: New file. * m4/time_h.m4 (gl_TIME_H_REQUIRE_DEFAULTS): Initialize GNULIB_TIME. (gl_TIME_H_DEFAULTS): Initialize REPLACE_TIME. * m4/time.m4: New file. * modules/time-h (Makefile.am): Substitute GNULIB_TIME, REPLACE_TIME. * modules/time: New file. * tests/test-time-h-c++.cc: Check the signature of GNULIB_NAMESPACE::time. * doc/posix-functions/time.texi: Mention the glibc problem and the 'time' module.
* lseek: avoid SEEK_HOLE bugs in FreeBSD, macOSPaul Eggert2023-02-231-6/+26
| | | | | | | | | | | | | This attempts to fix <https://bugs.gnu.org/61386>, a bug in GNU cp caused by a serious data corruption bug in FreeBSD and macOS. * doc/posix-functions/lseek.texi: Mention the bug. * lib/unistd.in.h (SEEK_DATA, SEEK_HOLE): Undef in macOS < 13 and FreeBSD < 14. FreeBSD fixed the bug sometime during FreeBSD 13 <https://bugs.freebsd.org/256205>, so the "FreeBSD < 14" is conservative. It’s unknown when Apple will fix macOS so use macOS "9999" as a placeholder. * m4/lseek.m4 (gl_FUNC_LSEEK): Replace lseek if on one of the above platforms.
* configmake: Add support for $build_os != $host_os.Bruno Haible2023-02-182-3/+217
| | | | | | | | | | | * m4/build-to-host.m4: New file. * m4/configmake.m4 (gl_CONFIGMAKE_PREP): Provide a configure-time definition for pkgdatadir, pkgincludedir, pkglibdir. (gl_CONFIGMAKE): New macro. * modules/configmake (Files): Add m4/build-to-host.m4. (configure.ac): Invoke gl_CONFIGMAKE instead of gl_CONFIGMAKE_PREP. (Makefile.am): For creating configmake.h, use the various *prefix_c_make and *dir_c_make variables.
* Improve cross-compilation for midipix.Bruno Haible2023-02-1720-19/+71
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reported by Ørjan Malde <red@foxi.me> at <https://lists.gnu.org/archive/html/bug-gnulib/2023-02/msg00131.html>. This patch handles the cases where midipix acts like Linux. * m4/chmod.m4 (gl_FUNC_CHMOD): Treat midipix like Linux with glibc or musl libc. * m4/d-ino.m4 (gl_CHECK_TYPE_STRUCT_DIRENT_D_INO): Likewise. * m4/fchdir.m4 (gl_FUNC_FCHDIR): Likewise. * m4/getcwd.m4 (gl_FUNC_GETCWD_NULL): Likewise. * m4/link.m4 (gl_FUNC_LINK): Likewise. * m4/linkat.m4 (gl_FUNC_LINKAT): Likewise. * m4/lstat.m4 (gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK): Likewise. * m4/mkdir.m4 (gl_FUNC_MKDIR): Likewise. * m4/pselect.m4 (gl_FUNC_PSELECT): Likewise. * m4/ptsname.m4 (gl_FUNC_PTSNAME): Likewise. * m4/readlink.m4 (gl_FUNC_READLINK): Likewise. * m4/rename.m4 (gl_FUNC_RENAME): Likewise. * m4/rmdir.m4 (gl_FUNC_RMDIR): Likewise. * m4/select.m4 (gl_FUNC_SELECT): Likewise. * m4/sleep.m4 (gl_FUNC_SLEEP): Likewise. * m4/stat.m4 (gl_FUNC_STAT): Likewise. * m4/symlink.m4 (gl_FUNC_SYMLINK): Likewise. * m4/symlinkat.m4 (gl_FUNC_SYMLINKAT): Likewise. * m4/unlink.m4 (gl_FUNC_UNLINK): Likewise. * m4/usleep.m4 (gl_FUNC_USLEEP): Likewise.
* Improve cross-compilation from midipix.Bruno Haible2023-02-1770-655/+656
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reported by Ørjan Malde <red@foxi.me> at <https://lists.gnu.org/archive/html/bug-gnulib/2023-02/msg00131.html>. Since midipix consists of musl libc based on an emulation of Linux system calls, for pure libc functionality it can be treated like musl libc. * m4/calloc.m4 (_AC_FUNC_CALLOC_IF): Treat midipix like systems with musl libc. * m4/cbrtl.m4 (gl_FUNC_CBRTL): Likewise. * m4/ceil.m4 (gl_FUNC_CEIL): Likewise. * m4/ceilf.m4 (gl_FUNC_CEILF): Likewise. * m4/ceill.m4 (gl_FUNC_CEILL): Likewise. * m4/exp2l.m4 (gl_FUNC_EXP2L): Likewise. * m4/expl.m4 (gl_FUNC_EXPL): Likewise. * m4/expm1.m4 (gl_FUNC_EXPM1): Likewise. * m4/expm1f.m4 (gl_FUNC_EXPM1F): Likewise. * m4/expm1l.m4 (gl_FUNC_EXPM1L): Likewise. * m4/fclose.m4 (gl_FUNC_FCLOSE_STDIN): Likewise. * m4/fdopendir.m4 (gl_FUNC_FDOPENDIR): Likewise. * m4/ffsll.m4 (gl_FUNC_FFSLL): Likewise. * m4/floor.m4 (gl_FUNC_FLOOR): Likewise. * m4/floorf.m4 (gl_FUNC_FLOORF): Likewise. * m4/fmod.m4 (gl_FUNC_FMOD): Likewise. * m4/fmodf.m4 (gl_FUNC_FMODF): Likewise. * m4/fmodl.m4 (gl_FUNC_FMODL): Likewise. * m4/fnmatch.m4 (gl_FUNC_FNMATCH_POSIX): Likewise. * m4/fopen.m4 (gl_FUNC_FOPEN_GNU): Likewise. * m4/fpurge.m4 (gl_FUNC_FPURGE): Likewise. * m4/getdelim.m4 (gl_FUNC_GETDELIM): Likewise. * m4/getline.m4 (gl_FUNC_GETLINE): Likewise. * m4/hypot.m4 (gl_FUNC_HYPOT): Likewise. * m4/hypotf.m4 (gl_FUNC_HYPOTF): Likewise. * m4/hypotl.m4 (gl_FUNC_HYPOTL): Likewise. * m4/iconv_open-utf.m4 (gl_FUNC_ICONV_OPEN_UTF_SUPPORT): Likewise. * m4/log.m4 (gl_FUNC_LOG): Likewise. * m4/log10.m4 (gl_FUNC_LOG10): Likewise. * m4/log10f.m4 (gl_FUNC_LOG10F): Likewise. * m4/log10l.m4 (gl_FUNC_LOG10L_WORKS): Likewise. * m4/log1p.m4 (gl_FUNC_LOG1P): Likewise. * m4/log1pf.m4 (gl_FUNC_LOG1PF): Likewise. * m4/log1pl.m4 (gl_FUNC_LOG1PL, gl_FUNC_LOG1PL_WORKS): Likewise. * m4/log2.m4 (gl_FUNC_LOG2): Likewise. * m4/log2f.m4 (gl_FUNC_LOG2F): Likewise. * m4/log2l.m4 (gl_FUNC_LOG2L_WORKS): Likewise. * m4/logf.m4 (gl_FUNC_LOGF): Likewise. * m4/logl.m4 (gl_FUNC_LOGL_WORKS): Likewise. * m4/malloc.m4 (_AC_FUNC_MALLOC_IF): Likewise. * m4/mkstemp.m4 (gl_FUNC_MKSTEMP): Likewise. * m4/modf.m4 (gl_FUNC_MODF): Likewise. * m4/modff.m4 (gl_FUNC_MODFF): Likewise. * m4/modfl.m4 (gl_FUNC_MODFL): Likewise. * m4/musl.m4 (gl_MUSL_LIBC): Likewise. * m4/perror.m4 (gl_FUNC_PERROR): Likewise. * m4/posix_spawn.m4 (gl_POSIX_SPAWN_SECURE, gl_FUNC_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE, gl_FUNC_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2, gl_FUNC_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN): Likewise. * m4/printf.m4 (gl_PRINTF_SIZES_C99, gl_PRINTF_INFINITE, gl_PRINTF_INFINITE_LONG_DOUBLE, gl_PRINTF_DIRECTIVE_A, gl_PRINTF_DIRECTIVE_F, gl_PRINTF_FLAG_ZERO, gl_SNPRINTF_TRUNCATION_C99, gl_SNPRINTF_RETVAL_C99, gl_SNPRINTF_DIRECTIVE_N, gl_VSNPRINTF_ZEROSIZE_C99): Likewise. * m4/pthread_rwlock_rdlock.m4 (gl_PTHREAD_RWLOCK_RDLOCK_PREFER_WRITER): Likewise. * m4/putenv.m4 (gl_FUNC_PUTENV): Likewise. * m4/realloc.m4 (_AC_FUNC_REALLOC_IF): Likewise. * m4/remainder.m4 (gl_FUNC_REMAINDER): Likewise. * m4/remainderf.m4 (gl_FUNC_REMAINDERF): Likewise. * m4/remainderl.m4 (gl_FUNC_REMAINDERL, gl_FUNC_REMAINDERL_WORKS): Likewise. * m4/rintl.m4 (gl_FUNC_RINTL): Likewise. * m4/round.m4 (gl_FUNC_ROUND): Likewise. * m4/roundf.m4 (gl_FUNC_ROUNDF): Likewise. * m4/roundl.m4 (gl_FUNC_ROUNDL): Likewise. * m4/setenv.m4 (gl_FUNC_SETENV): Likewise. * m4/setlocale_null.m4 (gl_FUNC_SETLOCALE_NULL): Likewise. * m4/signbit.m4 (gl_SIGNBIT): Likewise. * m4/stpncpy.m4 (gl_FUNC_STPNCPY): Likewise. * m4/strerror.m4 (gl_FUNC_STRERROR, gl_FUNC_STRERROR_0): Likewise. * m4/strtod.m4 (gl_FUNC_STRTOD): Likewise. * m4/strtold.m4 (gl_FUNC_STRTOLD): Likewise. * m4/trunc.m4 (gl_FUNC_TRUNC): Likewise. * m4/truncf.m4 (gl_FUNC_TRUNCF): Likewise. * m4/truncl.m4 (gl_FUNC_TRUNCL): Likewise. * m4/ungetc.m4 (gl_FUNC_UNGETC_WORKS): Likewise. * m4/wcwidth.m4 (gl_FUNC_WCWIDTH): Likewise.