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* doc: Update for glibc 2.34.Bruno Haible2021-08-148-7/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* fstatat: doc improvementPaul Eggert2021-05-201-2/+2
| | | | | * doc/posix-functions/fstatat.texi (fstatat): Mention AT_EMPTY_PATH when talking about empty strings.
* 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.
* 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.
* 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 Haible2021-04-17173-181/+181
| | | | | | | | | * 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 syntax error (regression from 2021-04-02).Bruno Haible2021-04-041-1/+1
| | | | * doc/posix-functions/strtol.texi: Put @item inside @itemize block.
* 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 Haible2021-03-211-1/+2
| | | | | * doc/glibc-functions/sethostname.texi: Update regarding macOS. * doc/glibc-functions/sethostname.texi: List the affected platforms.
* doc: Update for macOS 11.1.Bruno Haible2021-03-21274-280/+280
| | | | | | | | | | * 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.
* free-posix: Update documentation.Bruno Haible2021-03-061-1/+2
| | | | * doc/posix-functions/free.texi: Add platform details.
* doc: Update for glibc 2.33.Bruno Haible2021-03-066-7/+6
| | | | | | | | | | * doc/glibc-functions/mallinfo2.texi: New file. * doc/gnulib.texi: Include it. (Glibc sys/vtimes.h): Remove section. * doc/glibc-functions/vtimes.texi: Remove file. * doc/pastposix-functions/h_errno.texi: Update. * doc/posix-functions/*.texi: Likewise. * doc/glibc-functions/*.texi: Likewise.
* string-buffer: New module.Bruno Haible2021-02-211-0/+3
| | | | | | | * lib/string-buffer.h: New file. * lib/string-buffer.c: New file. * modules/string-buffer: New file. * doc/posix-functions/open_memstream.texi: Mention the new module.
* Document non-standard prototypes on MidnightBSD.Bruno Haible2021-02-083-1/+12
| | | | | | | | * doc/posix-functions/initstate.texi: Mention different prototype on MidnightBSD 2.0. * doc/posix-functions/srandom.texi: Likewise. * doc/posix-functions/getlogin_r.texi: Likewise. * doc/glibc-functions/sethostname.texi: Likewise.
* wcwidth: Document MidnightBSD bug.Bruno Haible2021-02-071-1/+1
| | | | | | * doc/posix-functions/wcwidth.texi: Mention MidnightBSD as an affected platform. * m4/wcwidth.m4 (gl_FUNC_WCWIDTH): Update comments.
* pthread_sigmask: Document MidnightBSD bug.Bruno Haible2021-02-071-1/+1
| | | | | | | * doc/posix-functions/pthread_sigmask.texi: Mention MidnightBSD as an affected platform. * m4/pthread_sigmask.m4 (gl_FUNC_PTHREAD_SIGMASK): Update cross-compilation guess accordingly.
* fmaf: Document QEMU bugBruno Haible2021-01-311-0/+4
| | | | * doc/posix-functions/fmaf.texi: Add note about QEMU bug.
* remainderl: Work around musl libc bug.Bruno Haible2021-01-311-0/+4
| | | | | | * doc/posix-functions/remainderl.texi: Document musl libc bug. * m4/remainderl.m4 (gl_FUNC_REMAINDERL_WORKS): Add more tests. Update cross compilation guess.
* log2l: Work around musl libc bugs.Bruno Haible2021-01-311-0/+7
| | | | | | * doc/posix-functions/log2l.texi: Document musl libc bugs. * m4/log2l.m4 (gl_FUNC_LOG2L_WORKS): Add more tests. Update cross compilation guess.
* log1pl: Work around musl libc bug.Bruno Haible2021-01-311-0/+4
| | | | | | * doc/posix-functions/log1pl.texi: Document musl libc bug. * m4/log1pl.m4 (gl_FUNC_LOG1PL_WORKS): New macro. (gl_FUNC_LOG1PL): Invoke it.
* log10l: Document musl libc bug.Bruno Haible2021-01-311-1/+1
| | | | | | * doc/posix-functions/log10l.texi: Document musl libc bug. * m4/log10l.m4 (gl_FUNC_LOG10L_WORKS): Update comment and cross compilation guess.
* logl: Document musl libc bug.Bruno Haible2021-01-311-1/+1
| | | | | | * doc/posix-functions/logl.texi: Document musl libc bug. * m4/logl.m4 (gl_FUNC_LOGL_WORKS): Update comment and cross compilation guess.
* expm1l: Document musl libc bug.Bruno Haible2021-01-311-1/+1
| | | | | | * doc/posix-functions/expm1l.texi: Document musl libc bug. * m4/expm1l.m4 (gl_FUNC_EXPM1L): Update comment and cross compilation guess.
* expl: Document musl libc bug.Bruno Haible2021-01-311-1/+1
| | | | | | * doc/posix-functions/expl.texi: Document musl libc bug. * m4/expl.m4 (gl_FUNC_EXPL): Update comment and cross compilation guess.
* posix_spawn_file_actions_addclose: Relax configure test.Bruno Haible2021-01-251-2/+2
| | | | | | | * m4/posix_spawn.m4 (gl_FUNC_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE): Test a negative file descriptor, not an out-of-range file descriptor. * tests/test-posix_spawn_file_actions_addclose.c (main): Add comment. * doc/posix-functions/posix_spawn_file_actions_addclose.texi: Update.
* getaddrinfo: Doc fix.Simon Josefsson2021-01-251-0/+3
| | | | | * doc/posix-functions/getaddrinfo.texi (getaddrinfo): Gnulib does not support IDN.
* getcwd: Fix cross-compilation guess for musl libc.Bruno Haible2021-01-241-1/+1
| | | | | | * m4/getcwd-abort-bug.m4 (gl_FUNC_GETCWD_ABORT_BUG): Guess no also on musl libc. * doc/posix-functions/getcwd.texi: Update platform info.
* canonicalize-lgpl: Work around a Cygwin bug.Bruno Haible2021-01-201-3/+3
| | | | | | * m4/canonicalize.m4 (gl_FUNC_REALPATH_WORKS): Test for lstat. Add a test case that involves a symbolic link to an existing file. * doc/posix-functions/realpath.texi: Mention the Cygwin bug.
* canonicalize-lgpl: Work around // handling in realpath() of musl 1.2.2.Bruno Haible2021-01-171-2/+2
| | | | | | | | | | | Reported by Natanael Copa <ncopa@alpinelinux.org> in <https://lists.gnu.org/archive/html/bug-gettext/2021-01/msg00021.html>. * m4/canonicalize.m4 (gl_FUNC_REALPATH_WORKS): Add a test whether // is the same as /, on Linux only. * lib/canonicalize-lgpl.c: Correct indentation of preprocessor directives. * doc/posix-functions/realpath.texi: Mention the musl 1.2.2 bug.
* doc: Update doc about realpath.Bruno Haible2021-01-151-2/+2
| | | | * doc/posix-functions/realpath.texi: Update info about macOS.
* fchmodat: Work around trailing slash bug in fchmodat() on AIX 7.2.Bruno Haible2021-01-091-0/+4
| | | | | | | | | | * m4/fchmodat.m4 (gl_FUNC_FCHMODAT): In the test whether fchmodat works, also test for the trailing slashes behaviour. Define HAVE_NEARLY_WORKING_FCHMODAT if this is the only missing feature. * lib/fchmodat.c (fchmodat): If HAVE_NEARLY_WORKING_FCHMODAT, handle trailing slashes here. * modules/fchmodat (Depends-on): Sort by condition, not alphabetically. * doc/posix-functions/fchmodat.texi: Document the AIX bug.
* truncate: Document last workaround.Bruno Haible2021-01-091-0/+4
| | | | * doc/posix-functions/truncate.texi: Document the AIX bug.
* logb: Fix test failure on glibc/powerpc.Bruno Haible2021-01-061-1/+1
| | | | | | * doc/posix-functions/logb.texi: Update platform info. * m4/logb.m4 (gl_FUNC_LOGB_WORKS): Test against bug with negative subnormal numbers.
* ilogbl: Fix test failures on AIX 7.1 in 64-bit mode.Bruno Haible2021-01-061-1/+1
| | | | | | * m4/ilogbl.m4 (gl_FUNC_ILOGBL_WORKS): Test also some denormalized argument. * doc/posix-functions/ilogbl.texi: Mention the AIX bug.
* ilogb: Fix test failures on AIX 7.1 in 64-bit mode.Bruno Haible2021-01-061-0/+3
| | | | | | * m4/ilogb.m4 (gl_FUNC_ILOGB_WORKS): Test also some denormalized argument. * doc/posix-functions/ilogb.texi: Mention the AIX bug.
* fclose: Fix test failure on AIX 7.2.Bruno Haible2021-01-062-2/+3
| | | | | | | * m4/fclose.m4 (gl_FUNC_FCLOSE_STDIN): New macro. (gl_FUNC_FCLOSE): Invoke it. Set REPLACE_FCLOSE accordingly. * doc/posix-functions/fclose.texi: Update platform information. * doc/posix-functions/fflush.texi: Likewise.
* utimensat: Work around trailing slash bug in utimensat() on AIX 7.2.Bruno Haible2021-01-063-2/+5
| | | | | | | | | | | * m4/utimensat.m4 (gl_FUNC_UTIMENSAT): Require AC_CANONICAL_HOST. Add a test for trailing slash handling. Improve cross-compilation guesses. Conditionally define HAVE_NEARLY_WORKING_UTIMENSAT. * lib/utimensat.c (rpl_utimensat): Add alternative implementation when HAVE_NEARLY_WORKING_UTIMENSAT is defined. * lib/utimens.c: Use the overridden utimensat when HAVE_NEARLY_WORKING_UTIMENSAT is defined. * doc/posix-functions/utimensat.texi: Mention the AIX bug.
* mkfifoat: Work around trailing slash bug in mknodat() on AIX 7.2.Bruno Haible2021-01-051-0/+4
| | | | | | | | | | * m4/mkfifoat.m4 (gl_FUNC_MKFIFOAT): Set also REPLACE_MKNODAT. * lib/sys_stat.in.h (mknodat): Consider REPLACE_MKNODAT. * lib/mknodat.c: Add an overriding implementation of mknodat(). * m4/sys_stat_h.m4 (gl_SYS_STAT_H_DEFAULTS): Initialize REPLACE_MKNODAT. * modules/sys_stat (Makefile.am): Substitute REPLACE_MKNODAT. * modules/mkfifoat (Depends-on, configure.ac): Consider REPLACE_MKNODAT. * doc/posix-functions/mknodat.texi: Mention the AIX bug.
* mkfifoat: Work around trailing slash bug in mkfifoat() on AIX 7.2.Bruno Haible2021-01-051-0/+4
| | | | | | | | | | | | | * m4/mkfifoat.m4 (gl_FUNC_MKFIFOAT): Add a test whether mkfifoat rejects trailing slashes. Set REPLACE_MKFIFOAT if not. * lib/sys_stat.in.h (mkfifoat): Consider REPLACE_MKFIFOAT. * lib/mkfifoat.c: Add an overriding implementation of mkfifoat(). * m4/sys_stat_h.m4 (gl_SYS_STAT_H_DEFAULTS): Initialize REPLACE_MKFIFOAT. * modules/sys_stat (Makefile.am): Substitute REPLACE_MKFIFOAT. * modules/mkfifoat (Depends-on): Add fstatat. (configure.ac): Consider REPLACE_MKFIFOAT. * doc/posix-functions/mkfifoat.texi: Mention the AIX bug.
* expm1f-ieee: Work around AIX 7.2 bug.Bruno Haible2021-01-041-2/+10
| | | | | | | | | | | * m4/expm1f.m4 (gl_FUNC_EXPM1F): Initialize gl_expm1f_required. If module 'expm1f-ieee' is in use, check whether expm1f works according to IEEE. * m4/expm1f-ieee.m4: New file. * modules/expm1f-ieee (Files): Add it. (Depends-on): Update conditions. (configure.ac): Invoke gl_FUNC_EXPM1F_IEEE. * doc/posix-functions/expm1f.texi: Mention the AIX bug.
* iconv, iconv_open: Improve documentation.Bruno Haible2021-01-032-1/+13
| | | | | | | | | | Reported by Noah Misch <noah@leadboat.com> in <https://lists.gnu.org/archive/html/bug-gnulib/2020-12/msg00172.html>. * doc/posix-functions/iconv_open.texi: Add new paragraph "Portability problems handled by Gnulib". * doc/posix-functions/iconv.texi: Likewise. Update info about AIX. * m4/iconv.m4 (AM_ICONV_LINK): Improve comments.
* doc: mention year-0 bugs in Solaris etc.Paul Eggert2020-12-315-0/+20
| | | | | | | | * doc/posix-functions/gmtime.texi, doc/posix-functions/gmtime_r.texi: * doc/posix-functions/localtime.texi: * doc/posix-functions/localtime_r.texi: * doc/posix-functions/mktime.texi: Mention year-0 bugs in localtime etc.
* poll tests: Avoid test failure on AIX.Bruno Haible2020-12-311-3/+3
| | | | | | * tests/test-poll.c (test_pipe): Disable the "expecting POLLHUP after shutdown" test on AIX. * doc/posix-functions/poll.texi: Mention the AIX bug.
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