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* stdint-tests: long long preproc on recent Sun CPaul Eggert2021-09-121-2/+4
| | | | | * tests/test-stdint.c: Test long long preprocessor constants on Oracle Developer Studio 12.6, where they should work.
* doc: Improve help related to bootstrap script.Simon Josefsson2021-09-041-17/+26
| | | | | | | * doc/gnulib-tool.texi (VCS Issues): Make title more positive, s/Issues/Integration/. Some more bootstrap-related hints, including changing suggested submodule path from .gnulib to gnulib as this seems to be more wide-spread.
* intprops: fix minor doc glitchesPaul Eggert2021-09-041-9/+8
| | | | * doc/intprops.texi (Integer Properties): Fix doc glitches.
* doc: Add suggestions on FDL texinfo usage.Simon Josefsson2021-09-041-6/+32
| | | | | * doc/licenses-texi.texi (License Texinfo sources): Add texinfo examples.
* doc: fix order of stdlib functionsBernhard Voelker2021-08-221-2/+2
| | | | | * doc/gnulib.texi (node Glibc stdlib.h): Move mrand48_r after mkstemps. Reported by Benno Schulenberg.
* autoupdateKarl Berry2021-08-181-18/+33
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* doc: Update for glibc 2.34.Bruno Haible2021-08-1438-155/+363
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * doc/posix-functions/timespec_getres.texi: New file. * doc/glibc-functions/_Fork.texi: New file. * doc/glibc-functions/closefrom.texi: New file. * doc/glibc-functions/dn_comp.texi: New file. * doc/glibc-functions/dn_skipname.texi: New file. * doc/glibc-functions/execveat.texi: New file. * doc/glibc-functions/posix_spawn_file_actions_addclosefrom_np.texi: New file. * doc/glibc-functions/res_dnok.texi: New file. * doc/glibc-functions/res_hnok.texi: New file. * doc/glibc-functions/res_mailok.texi: New file. * doc/glibc-functions/res_nmkquery.texi: New file. * doc/glibc-functions/res_nquery.texi: New file. * doc/glibc-functions/res_nquerydomain.texi: New file. * doc/glibc-functions/res_nsearch.texi: New file. * doc/glibc-functions/res_nsend.texi: New file. * doc/glibc-functions/res_ownok.texi: New file. * doc/glibc-functions/res_send.texi: New file. * doc/gnulib.texi: Include them. * doc/glibc-functions/inet_neta.texi: Remove file. * doc/glibc-functions/malloc_get_state.texi: Remove file. * doc/glibc-functions/malloc_set_state.texi: Remove file. * doc/glibc-functions/pthread_mutex_consistent_np.texi: Remove file. * doc/glibc-functions/pthread_mutexattr_getrobust_np.texi: Remove file. * doc/glibc-functions/pthread_mutexattr_setrobust_np.texi: Remove file. * doc/glibc-functions/pthread_yield.texi: Remove file. * doc/gnulib.texi: Don't include them. * doc/glibc-headers/resolv.texi: Update. * doc/pastposix-functions/h_errno.texi: Likewise. * doc/posix-functions/*.texi: Likewise. * doc/glibc-functions/*.texi: Likewise.
* doc: C2X -> C2xPaul Eggert2021-07-313-6/+6
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* gnulib-common: update for C2x 2020-12-11 draftPaul Eggert2021-07-311-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Use blessed-by-draft-standard way to test for [[__deprecated__]] etc.; this is supported by GCC 11 and the fallback code should work fine with GCC 10 and earlier, clang, etc. * NEWS, doc/attribute.texi: Mention that DEPRECATED etc. must now come first. * lib/fflush.c, lib/unistr.in.h: Do not include unused-parameter.h. All uses of _GL_UNUSED_PARAMETER (after parameters) replaced by _GL_ATTRIBUTE_MAYBE_UNUSED (before parameters). Although perhaps we need a shorter name for _GL_ATTRIBUTE_MAYBE_UNUSED, that should probably be in gnulib-common.m4, due to the ubiquity of this issue. And perhaps the snippet/unused-parameter module should be marked obsolete since it's no longer compatible with its old use. * m4/gnulib-common.m4 (gl_COMMON_BODY): Define the macro _GL_HAS_C_ATTRIBUTE, and use it instead of __STDC_VERSION__ in deciding whether to use C2x attributes like [[__deprecated__]]. (_GL_ATTRIBUTE_MAYBE_UNUSED): Fall back on _GL_ATTRIBUTE_UNUSED. (_GL_ATTRIBUTE_UNUSED): New macro, for labels where C2x [[maybe_unused]] do not work. (_GL_UNUSED, _GL_UNUSED_LABEL): Use it. * modules/fflush, modules/unistr/base (Depends-on): Remove snippet/unused-parameter. * modules/fflush (selinux/selinux.h, selinux/context.h) (selinux/label.h): Do not use $(UNUSED_PARAMETER). Remove useless chmod a-x.
* limits-h: add BOOL_MAX, BOOL_WIDTHPaul Eggert2021-07-311-0/+4
| | | | | | | * doc/posix-headers/limits.texi (limits.h): Document them. * lib/limits.in.h: Also define CHAR_WIDTH etc. if C2x. (BOOL_MAX, BOOL_WIDTH): New macros, from C2x. * m4/limits-h.m4 (gl_LIMITS_H): Also check BOOL_WIDTH.
* year2038: Add --disable-year2038 optionPaul Eggert2021-07-061-2/+17
| | | | | | | | | | | Also, document this stuff better. Suggested by Bruno Haible in: https://lists.gnu.org/r/bug-gnulib/2021-07/msg00011.html * doc/year2038.texi: Document --disable-year2038. * m4/year2038.m4 (gl_YEAR2038_BODY): Support ‘./configure --disable-year2038’ to disable 64-bit time_t when that is not the default. Arg is now either empty or nonempty (not a shell command) and is evaluated at m4 expansion time instead of at runtime; all callers changed.
* doc: clarify which module fixes 32-bit time_tPaul Eggert2021-07-061-6/+10
| | | | | | * doc/posix-headers/time.texi: Make it clear that the 32-bit time_t problem is addressed by the year2038 module, not by the time module.
* autoupdateKarl Berry2021-07-021-2/+2
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* year2038: support glibc 2.34 _TIME_BITS=64Paul Eggert2021-07-012-5/+13
| | | | | | | | | | | | | | | | | | | | | | | | | In glibc 2.34 on Linux kernels where time_t is traditionally 32-bit, defining _FILE_OFFSET_BITS=64 and _TIME_BITS=64 makes time_t 64-bit. Apps must define both macros. Gnulib applications that use either the largefile or the year2038 modules will want this behavior; largefile because it deals with the off_t and ino_t components of struct stat already, and so should also deal with time_t. * NEWS, doc/largefile.texi, doc/posix-headers/time.texi: Mention this. * m4/largefile.m4: Override two macros even in Autoconf 2.70 and later. (_AC_SYS_LARGEFILE_MACRO_VALUE): #undef $1 before #defining it, in case some other Gnulib macro has #defined it. (AC_SYS_LARGEFILE): Use AS_IF and AS_CASE to propagate AC_REQUIREs. Invoke gl_YEAR2038_BODY if we need to set _FILE_OFFSET_BITS=64. * m4/year2038.m4 (gl_YEAR2038_TEST_INCLUDES): New macro. (gl_YEAR2038_BODY): New macro, with gl_YEAR2038’s old body; this macro is designed to be used directly instead of being AC_REQUIREd. It takes an argument specifying whether 64-bit is required. Set _TIME_BITS=64 if this makes a difference in time_t width when setting _FILE_OFFSET_BITS=64. Do not warn about 32-bit time_t more than once. * modules/largefile (Files): Add year2038.m4. (Depends-on): Require gl_YEAR2038_EARLY.
* autoupdateKarl Berry2021-06-261-18/+16
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* gnulib-tool: Stop doing license notice replacements.Bruno Haible2021-06-042-13/+22
| | | | | | | | | | | * gnulib-tool: Don't document --more-symlinks and --more-hardlinks any more. (do_copyrights): Remove variable. (func_import): Don't perform license updates on imported files any more. * pygnulib/GLInfo.py: Don't document --more-symlinks any more. * doc/gnulib-intro.texi (Copyright): Document the new situation. * doc/gnulib.texi (Module description): Likewise. * NEWS: Mention the change.
* fstatat: doc improvementPaul Eggert2021-05-201-2/+2
| | | | | * doc/posix-functions/fstatat.texi (fstatat): Mention AT_EMPTY_PATH when talking about empty strings.
* valgrind-tests: Doc fix and introduce AM_VALGRINDFLAGS.Simon Josefsson2021-05-141-5/+17
| | | | | | | * 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.
* valgrind-tests: Better option handling.Simon Josefsson2021-05-141-13/+92
| | | | | | * m4/valgrind-tests.m4: Support new variables VALGRINDFLAGS and DEFAULT_VALGRINDFLAGS. * doc/valgrind-tests.texi (Running self-tests under valgrind): Improve.
* fstatat: Document a glibc 2.7 bug.Bruno Haible2021-05-131-0/+4
| | | | * doc/posix-functions/fstatat.texi: Document an old glibc 2.7 bug.
* posix_spawn, posix_spawnp: Fix build error on Minix 3.3.Bruno Haible2021-05-132-2/+2
| | | | | | | * 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.
* gnulib-tool: port better to current AutoconfPaul Eggert2021-04-261-11/+0
| | | | | | | * 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.
* reallocarray: check for ptrdiff_t overflowPaul Eggert2021-04-241-0/+6
| | | | | | | | | | | | | | | | * 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.
* safe-alloc: fix pointer implementationPaul Eggert2021-04-181-0/+2
| | | | | | | | | | | | | | | | | | | | | | | 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.
* safe-alloc: improve docPaul Eggert2021-04-181-5/+9
| | | | | | * 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.
* malloc-posix, realloc-posix, calloc-posix: Document affected platforms.Bruno Haible2021-04-183-4/+7
| | | | | | * doc/posix-functions/malloc.texi: Re-add platforms list. * doc/posix-functions/realloc.texi: Likewise. * doc/posix-functions/calloc.texi: Likewise.
* doc: Update for FreeBSD 13.0/arm64.Bruno Haible2021-04-181-1/+1
| | | | | * doc/posix-headers/stdint.texi: Mention FreeBSD 13 bug. * m4/stdint.m4: Update comment.
* malloc, etc.: check for ptrdiff_t overflowPaul Eggert2021-04-173-21/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* doc: Update for FreeBSD 11.0, 12.0, 13.0.Bruno Haible2021-04-17667-691/+691
| | | | | | | | | * 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.
* doc: Fix confusion between LIBADD and LDADD.Bruno Haible2021-04-121-1/+1
| | | | | | | | 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.
* doc: Fix syntax error (regression from 2021-04-02).Bruno Haible2021-04-041-1/+1
| | | | * doc/posix-functions/strtol.texi: Put @item inside @itemize block.
* hamt: Document the module in the Gnulib manual.Marc Nieper-Wißkirchen2021-04-041-0/+55
| | | | | | | | | Suggested by Bruno Haible in <https://lists.gnu.org/archive/html/bug-gnulib/2021-04/msg00026.html>. * doc/containers.texi: Add a subsection to section 15.11 Container data types. * lib/hamt.h: Improve documentation on how Hamt_entry is supposed to be used.
* list: Add operations first_node, last_node.Bruno Haible2021-04-031-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reported by Marc Nieper-Wißkirchen in <https://lists.gnu.org/archive/html/bug-gnulib/2021-04/msg00005.html>. * lib/gl_list.h (gl_list_first_node, gl_list_last_node): New functions. (struct gl_list_implementation): Add members first_node, last_node. * lib/gl_array_list.c (gl_array_first_node, gl_array_last_node): New functions. (gl_array_list_implementation): Add the new operations. * lib/gl_carray_list.c (gl_carray_first_node, gl_carray_last_node): New functions. (gl_carray_list_implementation): Add the new operations. * lib/gl_anylinked_list2.h (gl_linked_first_node, gl_linked_last_node): New functions. * lib/gl_linked_list.c (gl_linked_list_implementation): Add the new operations. * lib/gl_linkedhash_list.c (gl_linkedhash_list_implementation): Likewise. * lib/gl_anytree_list2.h (gl_tree_first_node, gl_tree_last_node): New functions. * lib/gl_avltree_list.c (gl_avltree_list_implementation): Add the new operations. * lib/gl_avltreehash_list.c (gl_avltreehash_list_implementation): Likewise. * lib/gl_rbtree_list.c (gl_rbtree_list_implementation): Likewise. * lib/gl_rbtreehash_list.c (gl_rbtreehash_list_implementation): Likewise. * lib/gl_sublist.c (gl_sublist_first_node, gl_sublist_last_node): New functions. (gl_sublist_list_implementation): Add the new operations. * lib/gl_list.hh (class gl_List): Add member functions first_node, last_node. * doc/containers.texi: Update table.
* strtoll: Work around a bug on native Windows and Minix.Bruno Haible2021-04-021-0/+4
| | | | | | | | | | | * lib/stdlib.in.h (strtoll): Override if REPLACE_STRTOLL is 1. * m4/stdlib_h.m4 (gl_STDLIB_H_DEFAULTS): Initialize REPLACE_STRTOLL. * m4/strtoll.m4 (gl_FUNC_STRTOLL): Test whether strtoll works. Set REPLACE_STRTOLL. * modules/stdlib (Makefile.am): Substitute REPLACE_STRTOLL. * modules/strtoll (configure.ac): Test REPLACE_STRTOLL. * tests/test-strtoll.c (main): Add tests of hexadecimal integer syntax. * doc/posix-functions/strtoll.texi: Mention the bug.
* strtol: Work around a bug on native Windows and Minix.Bruno Haible2021-04-021-0/+4
| | | | | | | | | | | | | | | | | * lib/stdlib.in.h (strtol): New declaration. * m4/stdlib_h.m4 (gl_STDLIB_H): Test whether strtol is declared. (gl_STDLIB_H_DEFAULTS): Initialize GNULIB_STRTOL, HAVE_STRTOL, REPLACE_STRTOL. * m4/strtol.m4 (gl_FUNC_STRTOL): Require gl_STDLIB_H_DEFAULTS. Test whether strtol works. Set REPLACE_STRTOL. * modules/stdlib (Makefile.am): Substitute GNULIB_STRTOL, HAVE_STRTOL, REPLACE_STRTOL. * modules/strtol (Status, Notice): Remove. (Depends-on): Add stdlib. (configure.ac): Test HAVE_STRTOL and REPLACE_STRTOL. Invoke gl_STDLIB_MODULE_INDICATOR. * tests/test-strtol.c (main): Add tests of hexadecimal integer syntax. * doc/posix-functions/strtol.texi: Mention the bug.
* strtoull: Work around a bug on native Windows and Minix.Bruno Haible2021-04-021-0/+4
| | | | | | | | | | | * lib/stdlib.in.h (strtoull): Override if REPLACE_STRTOULL is 1. * m4/stdlib_h.m4 (gl_STDLIB_H_DEFAULTS): Initialize REPLACE_STRTOULL. * m4/strtoull.m4 (gl_FUNC_STRTOULL): Test whether strtoull works. Set REPLACE_STRTOULL. * modules/stdlib (Makefile.am): Substitute REPLACE_STRTOULL. * modules/strtoull (configure.ac): Test REPLACE_STRTOULL. * tests/test-strtoull.c (main): Add tests of hexadecimal integer syntax. * doc/posix-functions/strtoull.texi: Mention the bug.
* strtoul: Work around a bug on native Windows and Minix.Bruno Haible2021-04-021-0/+4
| | | | | | | | | | | | | | | | | | | | Reported by Eric Blake <eblake@redhat.com> in <https://lists.gnu.org/archive/html/bug-gnulib/2021-03/msg00082.html>. * lib/stdlib.in.h (strtoul): New declaration. * m4/stdlib_h.m4 (gl_STDLIB_H): Test whether strtoul is declared. (gl_STDLIB_H_DEFAULTS): Initialize GNULIB_STRTOUL, HAVE_STRTOUL, REPLACE_STRTOUL. * m4/strtoul.m4 (gl_FUNC_STRTOUL): Require gl_STDLIB_H_DEFAULTS. Test whether strtoul works. Set REPLACE_STRTOUL. * modules/stdlib (Makefile.am): Substitute GNULIB_STRTOUL, HAVE_STRTOUL, REPLACE_STRTOUL. * modules/strtoul (Status, Notice): Remove. (Depends-on): Add stdlib. (configure.ac): Test HAVE_STRTOUL and REPLACE_STRTOUL. Invoke gl_STDLIB_MODULE_INDICATOR. * tests/test-strtoul.c (main): Add tests of hexadecimal integer syntax. * doc/posix-functions/strtoul.texi: Mention the bug.
* doc: Mention an open glibc bug.Bruno Haible2021-03-222-0/+12
| | | | | | * doc/posix-functions/mbrtowc.texi: Mention the possible out-of-range wchar_t values returned by this function on glibc. * doc/posix-functions/mbtowc.texi: Likewise.
* doc: More updates.Bruno Haible2021-03-212-3/+6
| | | | | * doc/glibc-functions/sethostname.texi: Update regarding macOS. * doc/glibc-functions/sethostname.texi: List the affected platforms.
* doc: Update for macOS 11.1.Bruno Haible2021-03-21872-885/+885
| | | | | | | | | | * 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/aligned_alloc.m4 (gl_FUNC_ALIGNED_ALLOC): Update cross-compilation guess.
* ftell: Document bug in macOS >= 10.15.Bruno Haible2021-03-211-0/+5
| | | | * doc/posix-functions/ftell.texi: Mention the macOS bug.
* ftello: Work around bug in macOS >= 10.15.Bruno Haible2021-03-211-0/+5
| | | | | | | | | | | | | | | Reported by Martin Storsjö <martin@martin.st> in <https://lists.gnu.org/archive/html/bug-gnulib/2020-12/msg00002.html>. * m4/ungetc.m4 (gl_FUNC_UNGETC_WORKS): On macOS, don't define FUNC_UNGETC_BROKEN. Instead, set gl_ftello_broken_after_ungetc to yes. * m4/ftello.m4 (gl_FUNC_FTELLO): Invoke gl_FUNC_UNGETC_WORKS, and arrange to provide the workaround if ftello is broken after ungetc. * lib/ftello.c: Include <errno.h>, intprops.h. (ftello) [FTELLO_BROKEN_AFTER_UNGETC]: Implement from scratch. * modules/ftello (Files): Add m4/ungetc.m4. (Depends-on): Add intprops. * doc/posix-functions/ftello.texi: Mention the macOS bug.
* manywarnings: modernize documentationPaul Eggert2021-03-071-5/+3
| | | | | | | Problem reported by Reuben Thomas in: https://lists.gnu.org/r/bug-gnulib/2021-03/msg00046.html * doc/manywarnings.texi (manywarnings): Update in the light of recent changes to the manywarnings module.
* sysexits: Fix for Haiku.Bruno Haible2021-03-071-0/+4
| | | | | | * lib/sysexits.in.h: Don't assume that <sysexits.h>, when it exists, defines anything. * doc/glibc-headers/sysexits.texi: Mention the Haiku bug.
* Rename GNULIB_WCHAR_SINGLE to GNULIB_WCHAR_SINGLE_LOCALE.Bruno Haible2021-03-071-3/+10
| | | | | | | | | | * lib/lc-charset-dispatch.c: Test GNULIB_WCHAR_SINGLE_LOCALE instead of GNULIB_WCHAR_SINGLE. * lib/wcwidth.c: Likewise. * tests/test-wcwidth.c: Likewise. * doc/multithread.texi: Document GNULIB_WCHAR_SINGLE_LOCALE instead of GNULIB_WCHAR_SINGLE. * NEWS: Document the change.
* mbrtowc: Allow locking optimization independently of 'unlocked-io'.Bruno Haible2021-03-071-0/+5
| | | | | | * lib/mbtowc-lock.h: Test GNULIB_MBRTOWC_SINGLE_THREAD instead of USE_UNLOCKED_IO. * doc/multithread.texi: Document GNULIB_MBRTOWC_SINGLE_THREAD.
* regex: Allow locking optimization independently of 'unlocked-io'.Bruno Haible2021-03-071-0/+4
| | | | | | * lib/regex_internal.h: Test GNULIB_REGEX_SINGLE_THREAD instead of USE_UNLOCKED_IO. * doc/multithread.texi: Document GNULIB_REGEX_SINGLE_THREAD.
* exclude: Allow stdio optimization independently of 'unlocked-io'.Bruno Haible2021-03-071-0/+4
| | | | | | | * lib/exclude.c: Test GNULIB_EXCLUDE_SINGLE_THREAD instead of USE_UNLOCKED_IO. * modules/exclude (Depends-on): Add unlocked-io-internal. * doc/multithread.texi: Document GNULIB_EXCLUDE_SINGLE_THREAD.
* getusershell: Optimize stdio accesses when possible.Bruno Haible2021-03-071-0/+4
| | | | | | | * lib/getusershell.c: Test GNULIB_GETUSERSHELL_SINGLE_THREAD instead of USE_UNLOCKED_IO. * modules/getusershell (Depends-on): Add unlocked-io-internal. * doc/multithread.texi: Document GNULIB_GETUSERSHELL_SINGLE_THREAD.
* unlocked-io-internal: New module.Bruno Haible2021-03-071-5/+11
| | | | | | | | | | | | * m4/unlocked-io.m4 (gl_FUNC_GLIBC_UNLOCKED_IO): Don't define USE_UNLOCKED_IO here. * modules/unlocked-io-internal: New file, based on modules/unlocked-io. * modules/unlocked-io (Description): Clarify. (Files, Depends-on): Just use the unlocked-io-internal module. (configure.ac): Define GNULIB_STDIO_SINGLE_THREAD and USE_UNLOCKED_IO here. * doc/multithread.texi: Clarify when the 'unlocked-io' module can be used.
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