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* doc: New chapter "Strings and Characters".Bruno Haible2023-05-1621-29/+1056
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | * doc/strings.texi: New file. * doc/gnulib.texi (POSIXURL): New variable. (posixheader, posixfunc, func): New macros, from GNU libunistring's documentation. Include strings.texi. (Particular Modules): Don't include c-locale.texi here. * doc/c-locale.texi: Sections become subsections, subsections become subsubsections. * doc/posix-functions/isalnum.texi: Mention c32isalnum. * doc/posix-functions/isalpha.texi: Mention c32isalpha. * doc/posix-functions/isblank.texi: Mention c32isblank. * doc/posix-functions/iscntrl.texi: Mention c32iscntrl. * doc/posix-functions/isdigit.texi: Mention c32isdigit. * doc/posix-functions/isgraph.texi: Mention c32isgraph. * doc/posix-functions/islower.texi: Mention c32islower. * doc/posix-functions/isprint.texi: Mention c32isprint. * doc/posix-functions/ispunct.texi: Mention c32ispunct. * doc/posix-functions/isspace.texi: Mention c32isspace. * doc/posix-functions/isupper.texi: Mention c32isupper. * doc/posix-functions/isxdigit.texi: Mention c32isxdigit. * doc/posix-functions/tolower.texi: Mention alternative APIs. * doc/posix-functions/toupper.texi: Likewise. * doc/posix-functions/towlower.texi: Mention c32tolower. * doc/posix-functions/towupper.texi: Mention c32toupper. * doc/posix-functions/wcswidth.texi: Mention c32swidth. * doc/posix-functions/wcwidth.texi: Mention c32width.
* Warn against bogus TZ settingsPaul Eggert2023-05-071-0/+3
| | | | | * doc/parse-datetime.texi (Specifying time zone rules): Warn against TZ="UTC=5".
* doc: Mention macOS wcwidth bug.Bruno Haible2023-05-041-1/+1
| | | | | * m4/wcwidth.m4 (gl_FUNC_WCWIDTH): Mention macOS bugs. * doc/posix-functions/wcwidth.texi: Update regarding macOS.
* limits-h: port to pccPaul Eggert2023-05-011-0/+3
| | | | | | | * doc/posix-headers/limits.texi: Document the issue. * lib/limits.in.h (MB_LEN_MAX): New macro, if not already defined. * m4/limits-h.m4 (gl_LIMITS_H): Test for MB_LEN_MAX. * tests/test-limits-h.c: Check that it’s positive.
* year2038-recommended: new modulePaul Eggert2023-04-294-28/+29
| | | | | | | | | | | | | | | | | | Remove year2038-required and largefile-required, replacing the former with year2038-recommended and simply removing the latter. This syncs with Autoconf master. * MODULES.html.sh, NEWS, doc/largefile.texi: * all-modules (exclude): Exclude year2038-recommended, not -required. * doc/posix-headers/sys_types.texi, doc/posix-headers/time.texi: * doc/year2038.texi: Mention this. * m4/largefile.m4: Sync from Autoconf. Override existing macros if AC_SYS_YEAR2038_RECOMMENDED is not defined, rather than if AC_SYS_LARGEFILE_REQUIRED is not defined. * modules/largefile-required, modules/year2038-required: Removed. * modules/year2038: Do not depend on largefile; simply use m4/largefile.m4, since we shouldn’t need the extra goodies largefile supplies. * modules/year2038-recommended: New module.
* localeconv: Work around a mingw bug.Bruno Haible2023-04-281-0/+4
| | | | | | | | | | * m4/localeconv.m4 (gl_FUNC_LOCALECONV): Test whether fields of type 'char' are filled correctly. (gl_PREREQ_LOCALECONV): Test whether 'struct lconv' has the int_{p,n}_* members. * lib/localeconv.c (FIX_CHAR_VALUE): New macro. (localeconv): Replace negative field values with CHAR_MAX. * doc/posix-functions/localeconv.texi: Mention the mingw bug.
* poll tests: Avoid test failure on native Windows.Bruno Haible2023-04-251-1/+1
| | | | | | | * tests/test-poll.c (test_pipe): Disable the POLLHUP check also on native Windows. * doc/posix-functions/poll.texi: Mention also native Windows w.r.t. POLLHUP.
* ftell, ftello: Fix recognition of pipes on native Windows.Bruno Haible2023-04-243-0/+9
| | | | | | | | | * m4/lseek.m4 (gl_FUNC_LSEEK): Update comment. * m4/ftello.m4 (gl_FUNC_FTELLO): On native Windows, set REPLACE_FTELLO=1 always. * doc/posix-functions/ftello.texi: Mention the behaviour on pipes. * doc/posix-functions/ftell.texi: Likewise. * doc/posix-functions/fgetpos.texi: Likewise.
* Improve quoting of AS_HELP_STRING's first argument.Bruno Haible2023-04-241-1/+1
| | | | | | | | | | | | | | | | | | | | | * m4/acl.m4 (gl_FUNC_ACL_ARG): Don't underquote AS_HELP_STRING's first argument. * m4/assert.m4 (gl_ASSERT): Likewise. * m4/gc.m4 (gl_GC): Likewise. * m4/gnulib-common.m4 (gl_COMMON_BODY): Likewise. * m4/ld-version-script.m4 (gl_LD_VERSION_SCRIPT): Likewise. * m4/lib-ld.m4 (AC_LIB_PROG_LD): Likewise. * m4/libgmp.m4 (gl_LIBGMP): Likewise. * m4/regex.m4 (gl_REGEX): Likewise. * m4/relocatable-lib.m4 (gl_RELOCATABLE_NOP): Likewise. * m4/selinux-selinux-h.m4 (gl_LIBSELINUX): Likewise. * m4/sigsegv.m4 (gl_SIGSEGV): Likewise. * m4/threadlib.m4 (gl_THREADLIB_EARLY_BODY): Likewise. * m4/valgrind-tests.m4 (gl_VALGRIND_TESTS): Likewise. * m4/version-etc.m4 (gl_VERSION_ETC_FLAG): Likewise. * m4/xattr.m4 (gl_FUNC_XATTR): Likewise. * doc/manywarnings.texi (manywarnings): Likewise. This avoids the use of quadrigraphs.
* manywarnings: update C warnings for GCC 13Paul Eggert2023-04-231-0/+7
| | | | | | | | | | Adjust for C programs compiled by GCC 13. (A C++ expert still needs to look at manywarnings-c++.m4.) * build-aux/gcc-warning.spec: Add warnings introduced in GCC 13. * doc/manywarnings.texi (manywarnings): Document flex arrays. * m4/manywarnings.m4 (gl_MANYWARN_ALL_GCC): Add -fstrict-flex-arrays and -Wstrict-flex-arrays as these should be suitable for Gnulib-using code.
* manywarnings: bring doc up to datePaul Eggert2023-04-231-27/+60
| | | | * doc/manywarnings.texi: Bring doc up to date for GCC 12.
* doc: Add references to changes accepted for future POSIX revisions.Bruno Haible2023-04-1918-2/+38
| | | | | | | | | | | | | | | | | | | | | | | | * doc/glibc-functions/bind_textdomain_codeset.texi: Add reference to www.austingroupbugs.net issue. * doc/glibc-functions/bindtextdomain.texi: Likewise. * doc/glibc-functions/dcgettext.texi: Likewise. * doc/glibc-functions/dcngettext.texi: Likewise. * doc/glibc-functions/dgettext.texi: Likewise. * doc/glibc-functions/dngettext.texi: Likewise. * doc/glibc-functions/getentropy.texi: Likewise. * doc/glibc-functions/getresgid.texi: Likewise. * doc/glibc-functions/getresuid.texi: Likewise. * doc/glibc-functions/gettext.texi: Likewise. * doc/glibc-functions/ngettext.texi: Likewise. * doc/glibc-functions/posix_spawn_file_actions_addchdir_np.texi: Likewise. * doc/glibc-functions/posix_spawn_file_actions_addfchdir_np.texi: Likewise. * doc/glibc-functions/setresgid.texi: Likewise. * doc/glibc-functions/setresuid.texi: Likewise. * doc/glibc-functions/textdomain.texi: Likewise. * doc/posix-functions/asctime_r.texi: Likewise. * doc/posix-functions/ctime_r.texi: Likewise.
* wcsncmp: Work around two ISO C compliance bugs on several platforms.Bruno Haible2023-04-191-0/+8
| | | | | | | | | | | | | * lib/wchar.in.h (wcsncmp): Consider REPLACE_WCSNCMP. * lib/wcsncmp-impl.h (wcsncmp): Don't assume that the two wide characters are in the range 0..INT_MAX. * m4/wcsncmp.m4 (gl_FUNC_WCSNCMP): Test whether wcsncmp works for all wide characters. Set REPLACE_WCSNCMP. * m4/wchar_h.m4 (gl_WCHAR_H_DEFAULTS): Initialize REPLACE_WCSNCMP. * modules/wchar (Makefile.am): Substitute REPLACE_WCSNCMP. * modules/wcsncmp (Status, Notice): Un-obsolete this module. (configure.ac): Consider REPLACE_WCSNCMP. * doc/posix-functions/wcsncmp.texi: Mention the two bugs.
* wcscmp: Work around two ISO C compliance bugs on several platforms.Bruno Haible2023-04-191-0/+8
| | | | | | | | | | | | | * lib/wchar.in.h (wcscmp): Consider REPLACE_WCSCMP. * lib/wcscmp-impl.h (wcscmp): Don't assume that the two wide characters are in the range 0..INT_MAX. * m4/wcscmp.m4 (gl_FUNC_WCSCMP): Test whether wcscmp works for all wide characters. Set REPLACE_WCSCMP. * m4/wchar_h.m4 (gl_WCHAR_H_DEFAULTS): Initialize REPLACE_WCSCMP. * modules/wchar (Makefile.am): Substitute REPLACE_WCSCMP. * modules/wcscmp (Status, Notice): Un-obsolete this module. (configure.ac): Consider REPLACE_WCSCMP. * doc/posix-functions/wcscmp.texi: Mention the two bugs.
* wmemcmp: Work around ISO C compliance bug on several platforms.Bruno Haible2023-04-191-0/+4
| | | | | | | | | | | | * lib/wchar.in.h (wmemcmp): Consider REPLACE_WMEMCMP. * lib/wmemcmp-impl.h (wmemcmp): Don't assume that the two wide characters are in the range 0..INT_MAX. * m4/wmemcmp.m4 (gl_FUNC_WMEMCMP): Test whether wmemcmp works for all wide characters. Set REPLACE_WMEMCMP. * m4/wchar_h.m4 (gl_WCHAR_H_DEFAULTS): Initialize REPLACE_WMEMCMP. * modules/wchar (Makefile.am): Substitute REPLACE_WMEMCMP. * modules/wmemcmp (configure.ac): Consider REPLACE_WMEMCMP. * doc/posix-functions/wmemcmp.texi: Mention the bug.
* doc: Update platform list for posix_spawnp.Bruno Haible2023-04-191-1/+1
| | | | * doc/posix-functions/posix_spawnp.texi: Update platform list.
* doc: mention when O_* defaults to 0Paul Eggert2023-04-181-2/+7
| | | | | * doc/posix-headers/fcntl.texi: Document in more detail which O_* macros default to 0 in Gnulib.
* doc: Mention a Cygwin 3.4.6 bug.Bruno Haible2023-04-181-0/+5
| | | | | * doc/posix-functions/readlinkat.texi: Mention a readlinkat bug on Cygwin < 3.4.7.
* ilogbl: Work around a Cygwin 3.4.6 bug.Bruno Haible2023-04-181-0/+4
| | | | | | * m4/ilogbl.m4 (gl_FUNC_ILOGBL_WORKS): Also test the value of ilogbl(NaN). * doc/posix-functions/ilogbl.texi: Mention the new Cygwin bug.
* sys_shm: New module.Bruno Haible2023-04-141-1/+1
| | | | | | | * lib/sys_shm.in.h: New file. * m4/sys_shm_h.m4: New file. * modules/sys_shm: New file. * doc/posix-headers/sys_shm.texi: Mention the new module.
* sys_sem: New module.Bruno Haible2023-04-141-1/+1
| | | | | | | * lib/sys_sem.in.h: New file. * m4/sys_sem_h.m4: New file. * modules/sys_sem: New file. * doc/posix-headers/sys_sem.texi: Mention the new module.
* sys_msg: New module.Bruno Haible2023-04-141-1/+1
| | | | | | | * lib/sys_msg.in.h: New file. * m4/sys_msg_h.m4: New file. * modules/sys_msg: New file. * doc/posix-headers/sys_msg.texi: Mention the new module.
* doc: year2038 MIPS o32 nudgePaul Eggert2023-04-121-1/+1
| | | | | * doc/year2038.texi: Use more-common "o32" name for 32-bit MIPS ABI.
* doc: update year2038 list furtherPaul Eggert2023-04-111-2/+4
| | | | | | | | Prompted by Adhemerval Zanella Netto’s email in: https://lists.gnu.org/r/bug-gnulib/2023-04/msg00083.html Also, mention 32-bit Android. * doc/year2038.texi: Mention Linux/ork1 and Android. Append "32" to powerpc and sparc names.
* doc: update list of year2038 platformsPaul Eggert2023-04-101-27/+31
| | | | | | | | * doc/year2038.texi: Update list of platforms by adding dates and version numbers and fixing some that appear to have been misfiled. Also, list working systems and versions first, as that helps shorten the list of failing systems by saying "older versions".
* doc: moved year2038 para upPaul Eggert2023-04-101-9/+9
| | | | | * doc/year2038.texi: Move a paragraph up, as it’s lonely at the end.
* doc: document year2038 firstPaul Eggert2023-04-102-26/+35
| | | | | * doc/year2038.texi: Document year2038 first, then year2038-required.
* doc: Clarify list of platforms for year2038 support.Bruno Haible2023-04-101-0/+2
| | | | * doc/year2038.texi (Avoiding the year 2038 problem): List one more platform.
* doc: Clarify list of platforms for year2038 support.Bruno Haible2023-04-101-0/+45
| | | | | * doc/year2038.texi (Avoiding the year 2038 problem): List the platforms on which year2038-required is known to fail vs. known to succeed.
* doc: Avoid ambiguous wording.Bruno Haible2023-04-101-2/+2
| | | | * doc/posix-headers/time.texi: Say "or" not "and".
* doc: Fix a typo.Bruno Haible2023-04-101-1/+1
| | | | * doc/posix-headers/time.texi: Fix typo in module name.
* doc: improve cross-refs for year 2038 issuePaul Eggert2023-04-0951-139/+134
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* largefile: sync from Autoconf masterPaul Eggert2023-04-093-23/+58
| | | | | | | | | | | * modules/largefile-required, modules/year2038-required: New modules. * MODULES.html.sh, doc/largefile.texi, doc/posix-headers/time.texi: * doc/year2038.texi: Document this. * m4/largefile.m4: Sync from Autoconf master. Conditionalize the workaround on AC_SYS_LARGEFILE_REQUIRED rather than on AC_SYS_YEAR2038 so that we replace older but still unreleased Autoconf. (AC_SYS_LARGEFILE_REQUIRED, AC_SYS_YEAR2038_REQUIRED): New macros.
* doc: Mention a NetBSD bug.Bruno Haible2023-04-092-0/+10
| | | | | * doc/posix-functions/towlower.texi: Mention NetBSD bug 57339. * doc/posix-functions/towupper.texi: Likewise.
* vasnwprintf-posix: More details about the glibc bug.Bruno Haible2023-04-091-0/+1
| | | | | | * doc/posix-functions/swprintf.texi: Add comment. * m4/printf.m4 (gl_SWPRINTF_DIRECTIVE_LA): Update cross-compilation guess.
* doc: Mention another Haiku bug.Bruno Haible2023-04-081-0/+5
| | | | * doc/posix-functions/open.texi: Mention a Haiku bug with symlinks.
* login_tty: Fix compilation error in C++ mode on Solaris 11.4.Bruno Haible2023-04-081-1/+2
| | | | | | | | * 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 Haible2023-04-071-0/+6
| | | | | | | | | | * 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.
* doc: Add references to registered Haiku bugs.Bruno Haible2023-04-068-2/+32
| | | | | | | | | | | * doc/posix-functions/call_once.texi: Mention Haiku bug. * doc/posix-functions/duplocale.texi: Likewise. * doc/posix-functions/freelocale.texi: Likewise. * doc/posix-functions/getlogin_r.texi: Likewise. * doc/posix-functions/initstate.texi: Likewise. * doc/posix-functions/mbrtoc32.texi: Likewise. * doc/posix-functions/strxfrm.texi: Likewise. * doc/posix-headers/math.texi: Update.
* uchar: Work around Haiku bug.Bruno Haible2023-04-051-0/+4
| | | | | | | | | | | | * 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 Haible2023-04-041-0/+4
| | | | | | | | | | * 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.
* mbrtoc32 tests: Add comment.Bruno Haible2023-04-031-1/+1
| | | | | | | | * 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 Haible2023-04-016-0/+24
| | | | | | | | | | | | | | | | * 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 Haible2023-03-311-1/+5
| | | | | | | | | | | | | | | * 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 Haible2023-03-301-0/+4
| | | | | | | | | | | | | * 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 Haible2023-03-301-0/+4
| | | | | | | | | | | | | * 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.
* mbrlen: Add tests.Bruno Haible2023-03-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | * tests/test-mbrlen1.sh: New file, based on tests/test-mbrtowc1.sh. * tests/test-mbrlen2.sh: New file, based on tests/test-mbrtowc2.sh. * tests/test-mbrlen3.sh: New file, based on tests/test-mbrtowc3.sh. * tests/test-mbrlen4.sh: New file, based on tests/test-mbrtowc4.sh. * tests/test-mbrlen5.sh: New file, based on tests/test-mbrtowc5.sh. * tests/test-mbrlen.c: New file, based on tests/test-mbrtowc.c. * tests/test-mbrlen-w32-1.sh: New file, based on tests/test-mbrtowc-w32-1.sh. * tests/test-mbrlen-w32-2.sh: New file, based on tests/test-mbrtowc-w32-2.sh. * tests/test-mbrlen-w32-3.sh: New file, based on tests/test-mbrtowc-w32-3.sh. * tests/test-mbrlen-w32-4.sh: New file, based on tests/test-mbrtowc-w32-4.sh. * tests/test-mbrlen-w32-5.sh: New file, based on tests/test-mbrtowc-w32-5.sh. * tests/test-mbrlen-w32-6.sh: New file, based on tests/test-mbrtowc-w32-6.sh. * tests/test-mbrlen-w32-7.sh: New file, based on tests/test-mbrtowc-w32-7.sh. * tests/test-mbrlen-w32.c: New file, based on tests/test-mbrtowc-w32.c. * modules/mbrlen-tests: New file, based on modules/mbrtowc-tests. * doc/posix-functions/mbrlen.texi: Update.
* btowc: Fix behaviour in the C locale.Bruno Haible2023-03-301-4/+8
| | | | | | | | | | | | | | | | | | * 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.
* mbrtowc tests: Add comment.Bruno Haible2023-03-301-1/+1
| | | | | | * tests/test-mbrtowc.c: Add comment. * tests/test-mbrtowc5.sh: Use symmetric coding style. * doc/posix-functions/mbrtowc.texi: Update.
* doc: Document string-desc and related modules.Bruno Haible2023-03-292-0/+106
| | | | | * doc/string-desc.texi: New file. * doc/gnulib.texi (Particular Modules): Include it.
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