gnulib: m4/mbrtowc.m4 annotate

annotate m4/mbrtowc.m4 @ 40151:db994b489ff2

relocatable-prog: Use Linux code on Android. * lib/progreloc.c: Treat Android like Linux.

author	Bruno Haible <bruno@clisp.org>
date	Sun, 27 Jan 2019 11:37:46 +0100
parents	b06060465f09
children

rev	line source
39704 46aa87a2631e mbrtowc, wcwidth: Fix MT-safety bug (regression from 2018-06-23). Bruno Haible <bruno@clisp.org> parents: 19484 diff changeset	1 # mbrtowc.m4 serial 31 -- coding: utf-8 --
40057 b06060465f09 maint: Run 'make update-copyright' Paul Eggert <eggert@cs.ucla.edu> parents: 39704 diff changeset	2 dnl Copyright (C) 2001-2002, 2004-2005, 2008-2019 Free Software Foundation,
12559 c2cbabec01dd update nearly all FSF copyright year lists to include 2010 Jim Meyering <meyering@redhat.com> parents: 11654 diff changeset	3 dnl Inc.
5585 adff74659d81 Use an all-permissive copyright notice, recommended by RMS. Bruno Haible <bruno@clisp.org> parents: 5018 diff changeset	4 dnl This file is free software; the Free Software Foundation
adff74659d81 Use an all-permissive copyright notice, recommended by RMS. Bruno Haible <bruno@clisp.org> parents: 5018 diff changeset	5 dnl gives unlimited permission to copy and/or distribute it,
adff74659d81 Use an all-permissive copyright notice, recommended by RMS. Bruno Haible <bruno@clisp.org> parents: 5018 diff changeset	6 dnl with or without modifications, as long as this notice is preserved.
3167 9e312d4334b8 New file, defining jm_FUNC_MBRTOWC. Jim Meyering <jim@meyering.net> parents: diff changeset	7
10906 6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	8 AC_DEFUN([gl_FUNC_MBRTOWC],
6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	9 [
6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	10 AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	11
6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	12 AC_REQUIRE([AC_TYPE_MBSTATE_T])
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	13 gl_MBSTATE_T_BROKEN
13158 6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	14
10906 6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	15 AC_CHECK_FUNCS_ONCE([mbrtowc])
6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	16 if test $ac_cv_func_mbrtowc = no; then
6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	17 HAVE_MBRTOWC=0
15483 1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	18 AC_CHECK_DECLS([mbrtowc],,, [[
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	19 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	20 <wchar.h>.
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	21 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	22 included before <wchar.h>. */
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	23 #include <stddef.h>
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	24 #include <stdio.h>
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	25 #include <time.h>
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	26 #include <wchar.h>
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	27 ]])
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	28 if test $ac_cv_have_decl_mbrtowc = yes; then
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	29 dnl On Minix 3.1.8, the system's <wchar.h> declares mbrtowc() although
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	30 dnl it does not have the function. Avoid a collision with gnulib's
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	31 dnl replacement.
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	32 REPLACE_MBRTOWC=1
1aca03539329 Work around declaration collisions on Minix. Bruno Haible <bruno@clisp.org> parents: 15029 diff changeset	33 fi
13158 6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	34 else
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	35 if test $REPLACE_MBSTATE_T = 1; then
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	36 REPLACE_MBRTOWC=1
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	37 else
14042 1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	38 gl_MBRTOWC_NULL_ARG1
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	39 gl_MBRTOWC_NULL_ARG2
13158 6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	40 gl_MBRTOWC_RETVAL
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	41 gl_MBRTOWC_NUL_RETVAL
17660 ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	42 gl_MBRTOWC_EMPTY_INPUT
18292 24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	43 gl_MBRTOWC_C_LOCALE
14042 1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	44 case "$gl_cv_func_mbrtowc_null_arg1" in
13158 6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	45 *yes) ;;
14042 1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	46 *) AC_DEFINE([MBRTOWC_NULL_ARG1_BUG], [1],
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	47 [Define if the mbrtowc function has the NULL pwc argument bug.])
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	48 REPLACE_MBRTOWC=1
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	49 ;;
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	50 esac
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	51 case "$gl_cv_func_mbrtowc_null_arg2" in
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	52 *yes) ;;
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	53 *) AC_DEFINE([MBRTOWC_NULL_ARG2_BUG], [1],
13158 6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	54 [Define if the mbrtowc function has the NULL string argument bug.])
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	55 REPLACE_MBRTOWC=1
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	56 ;;
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	57 esac
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	58 case "$gl_cv_func_mbrtowc_retval" in
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	59 *yes) ;;
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	60 *) AC_DEFINE([MBRTOWC_RETVAL_BUG], [1],
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	61 [Define if the mbrtowc function returns a wrong return value.])
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	62 REPLACE_MBRTOWC=1
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	63 ;;
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	64 esac
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	65 case "$gl_cv_func_mbrtowc_nul_retval" in
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	66 *yes) ;;
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	67 *) AC_DEFINE([MBRTOWC_NUL_RETVAL_BUG], [1],
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	68 [Define if the mbrtowc function does not return 0 for a NUL character.])
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	69 REPLACE_MBRTOWC=1
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	70 ;;
6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	71 esac
17660 ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	72 case "$gl_cv_func_mbrtowc_empty_input" in
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	73 *yes) ;;
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	74 *) AC_DEFINE([MBRTOWC_EMPTY_INPUT_BUG], [1],
17661 ec75d04b657d mbrtowc.m4: fix a comment typo Jim Meyering <meyering@fb.com> parents: 17660 diff changeset	75 [Define if the mbrtowc function does not return (size_t) -2
17660 ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	76 for empty input.])
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	77 REPLACE_MBRTOWC=1
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	78 ;;
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	79 esac
18292 24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	80 case $gl_cv_C_locale_sans_EILSEQ in
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	81 *yes) ;;
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	82 *) AC_DEFINE([C_LOCALE_MAYBE_EILSEQ], [1],
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	83 [Define to 1 if the C locale may have encoding errors.])
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	84 REPLACE_MBRTOWC=1
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	85 ;;
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	86 esac
13158 6c2a74cfe75b mbsinit, mbrtowc, wcrtomb: Improve idioms. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	87 fi
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	88 fi
10906 6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	89 ])
6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	90
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	91 dnl Test whether mbsinit() and mbrtowc() need to be overridden in a way that
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	92 dnl redefines the semantics of the given mbstate_t type.
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	93 dnl Result is REPLACE_MBSTATE_T.
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	94 dnl When this is set to 1, we replace both mbsinit() and mbrtowc(), in order to
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	95 dnl avoid inconsistencies.
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	96
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	97 AC_DEFUN([gl_MBSTATE_T_BROKEN],
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	98 [
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	99 AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	100
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	101 AC_REQUIRE([AC_TYPE_MBSTATE_T])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	102 AC_CHECK_FUNCS_ONCE([mbsinit])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	103 AC_CHECK_FUNCS_ONCE([mbrtowc])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	104 if test $ac_cv_func_mbsinit = yes && test $ac_cv_func_mbrtowc = yes; then
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	105 gl_MBRTOWC_INCOMPLETE_STATE
11217 13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	106 gl_MBRTOWC_SANITYCHECK
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	107 REPLACE_MBSTATE_T=0
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	108 case "$gl_cv_func_mbrtowc_incomplete_state" in
11217 13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	109 *yes) ;;
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	110 *) REPLACE_MBSTATE_T=1 ;;
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	111 esac
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	112 case "$gl_cv_func_mbrtowc_sanitycheck" in
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	113 *yes) ;;
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	114 *) REPLACE_MBSTATE_T=1 ;;
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	115 esac
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	116 else
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	117 REPLACE_MBSTATE_T=1
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	118 fi
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	119 ])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	120
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	121 dnl Test whether mbrtowc puts the state into non-initial state when parsing an
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	122 dnl incomplete multibyte character.
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	123 dnl Result is gl_cv_func_mbrtowc_incomplete_state.
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	124
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	125 AC_DEFUN([gl_MBRTOWC_INCOMPLETE_STATE],
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	126 [
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	127 AC_REQUIRE([AC_PROG_CC])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	128 AC_REQUIRE([gt_LOCALE_JA])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	129 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	130 AC_CACHE_CHECK([whether mbrtowc handles incomplete characters],
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	131 [gl_cv_func_mbrtowc_incomplete_state],
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	132 [
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	133 dnl Initial guess, used when cross-compiling or when no suitable locale
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	134 dnl is present.
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	135 changequote(,)dnl
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	136 case "$host_os" in
13485 4098b5bb6242 mbrtowc: Fix cross-compilation guess for AIX. Bruno Haible <bruno@clisp.org> parents: 13158 diff changeset	137 # Guess no on AIX and OSF/1.
4098b5bb6242 mbrtowc: Fix cross-compilation guess for AIX. Bruno Haible <bruno@clisp.org> parents: 13158 diff changeset	138 aix* \| osf*) gl_cv_func_mbrtowc_incomplete_state="guessing no" ;;
4098b5bb6242 mbrtowc: Fix cross-compilation guess for AIX. Bruno Haible <bruno@clisp.org> parents: 13158 diff changeset	139 # Guess yes otherwise.
4098b5bb6242 mbrtowc: Fix cross-compilation guess for AIX. Bruno Haible <bruno@clisp.org> parents: 13158 diff changeset	140 *) gl_cv_func_mbrtowc_incomplete_state="guessing yes" ;;
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	141 esac
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	142 changequote([,])dnl
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	143 if test $LOCALE_JA != none; then
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	144 AC_RUN_IFELSE(
da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	145 [AC_LANG_SOURCE([[
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	146 #include <locale.h>
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	147 #include <string.h>
14020 318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	148 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	149 <wchar.h>.
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	150 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	151 included before <wchar.h>. */
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	152 #include <stddef.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	153 #include <stdio.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	154 #include <time.h>
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	155 #include <wchar.h>
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	156 int main ()
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	157 {
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	158 if (setlocale (LC_ALL, "$LOCALE_JA") != NULL)
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	159 {
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	160 const char input[] = "B\217\253\344\217\251\316er"; /* "Büßer" */
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	161 mbstate_t state;
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	162 wchar_t wc;
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	163
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	164 memset (&state, '\0', sizeof (mbstate_t));
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	165 if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2))
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	166 if (mbsinit (&state))
18530 4cb1f97031ad maint: use a more standard return from mbrtowc test Pádraig Brady <P@draigBrady.com> parents: 18292 diff changeset	167 return 2;
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	168 }
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	169 return 0;
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	170 }]])],
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	171 [gl_cv_func_mbrtowc_incomplete_state=yes],
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	172 [gl_cv_func_mbrtowc_incomplete_state=no],
11493 fcd8e65744b2 Fix cross-compilation results. Bruno Haible <bruno@clisp.org> parents: 11218 diff changeset	173 [:])
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	174 fi
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	175 ])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	176 ])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	177
11217 13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	178 dnl Test whether mbrtowc works not worse than mbtowc.
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	179 dnl Result is gl_cv_func_mbrtowc_sanitycheck.
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	180
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	181 AC_DEFUN([gl_MBRTOWC_SANITYCHECK],
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	182 [
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	183 AC_REQUIRE([AC_PROG_CC])
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	184 AC_REQUIRE([gt_LOCALE_ZH_CN])
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	185 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	186 AC_CACHE_CHECK([whether mbrtowc works as well as mbtowc],
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	187 [gl_cv_func_mbrtowc_sanitycheck],
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	188 [
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	189 dnl Initial guess, used when cross-compiling or when no suitable locale
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	190 dnl is present.
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	191 changequote(,)dnl
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	192 case "$host_os" in
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	193 # Guess no on Solaris 8.
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	194 solaris2.8) gl_cv_func_mbrtowc_sanitycheck="guessing no" ;;
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	195 # Guess yes otherwise.
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	196 *) gl_cv_func_mbrtowc_sanitycheck="guessing yes" ;;
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	197 esac
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	198 changequote([,])dnl
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	199 if test $LOCALE_ZH_CN != none; then
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	200 AC_RUN_IFELSE(
da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	201 [AC_LANG_SOURCE([[
11217 13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	202 #include <locale.h>
11654 22347e3d6b95 Make the tests work with a C++ compiler. Sam Steingold <sds@gnu.org> parents: 11493 diff changeset	203 #include <stdlib.h>
11217 13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	204 #include <string.h>
14020 318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	205 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	206 <wchar.h>.
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	207 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	208 included before <wchar.h>. */
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	209 #include <stddef.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	210 #include <stdio.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	211 #include <time.h>
11217 13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	212 #include <wchar.h>
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	213 int main ()
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	214 {
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	215 /* This fails on Solaris 8:
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	216 mbrtowc returns 2, and sets wc to 0x00F0.
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	217 mbtowc returns 4 (correct) and sets wc to 0x5EDC. */
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	218 if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL)
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	219 {
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	220 char input[] = "B\250\271\201\060\211\070er"; /* "Büßer" */
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	221 mbstate_t state;
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	222 wchar_t wc;
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	223
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	224 memset (&state, '\0', sizeof (mbstate_t));
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	225 if (mbrtowc (&wc, input + 3, 6, &state) != 4
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	226 && mbtowc (&wc, input + 3, 6) == 4)
18530 4cb1f97031ad maint: use a more standard return from mbrtowc test Pádraig Brady <P@draigBrady.com> parents: 18292 diff changeset	227 return 2;
11217 13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	228 }
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	229 return 0;
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	230 }]])],
11217 13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	231 [gl_cv_func_mbrtowc_sanitycheck=yes],
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	232 [gl_cv_func_mbrtowc_sanitycheck=no],
11493 fcd8e65744b2 Fix cross-compilation results. Bruno Haible <bruno@clisp.org> parents: 11218 diff changeset	233 [:])
11217 13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	234 fi
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	235 ])
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	236 ])
13e9d2ea1d1d Work around mbrtowc bug in zh_CN.GB18030 locale on Solaris 8. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	237
14042 1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	238 dnl Test whether mbrtowc supports a NULL pwc argument correctly.
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	239 dnl Result is gl_cv_func_mbrtowc_null_arg1.
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	240
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	241 AC_DEFUN([gl_MBRTOWC_NULL_ARG1],
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	242 [
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	243 AC_REQUIRE([AC_PROG_CC])
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	244 AC_REQUIRE([gt_LOCALE_FR_UTF8])
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	245 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	246 AC_CACHE_CHECK([whether mbrtowc handles a NULL pwc argument],
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	247 [gl_cv_func_mbrtowc_null_arg1],
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	248 [
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	249 dnl Initial guess, used when cross-compiling or when no suitable locale
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	250 dnl is present.
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	251 changequote(,)dnl
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	252 case "$host_os" in
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	253 # Guess no on Solaris.
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	254 solaris*) gl_cv_func_mbrtowc_null_arg1="guessing no" ;;
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	255 # Guess yes otherwise.
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	256 *) gl_cv_func_mbrtowc_null_arg1="guessing yes" ;;
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	257 esac
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	258 changequote([,])dnl
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	259 if test $LOCALE_FR_UTF8 != none; then
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	260 AC_RUN_IFELSE(
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	261 [AC_LANG_SOURCE([[
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	262 #include <locale.h>
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	263 #include <stdlib.h>
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	264 #include <string.h>
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	265 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	266 <wchar.h>.
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	267 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	268 included before <wchar.h>. */
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	269 #include <stddef.h>
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	270 #include <stdio.h>
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	271 #include <time.h>
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	272 #include <wchar.h>
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	273 int main ()
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	274 {
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	275 int result = 0;
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	276
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	277 if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	278 {
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	279 char input[] = "\303\237er";
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	280 mbstate_t state;
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	281 wchar_t wc;
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	282 size_t ret;
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	283
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	284 memset (&state, '\0', sizeof (mbstate_t));
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	285 wc = (wchar_t) 0xBADFACE;
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	286 ret = mbrtowc (&wc, input, 5, &state);
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	287 if (ret != 2)
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	288 result \|= 1;
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	289 if (!mbsinit (&state))
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	290 result \|= 2;
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	291
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	292 memset (&state, '\0', sizeof (mbstate_t));
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	293 ret = mbrtowc (NULL, input, 5, &state);
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	294 if (ret != 2) /* Solaris 7 fails here: ret is -1. */
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	295 result \|= 4;
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	296 if (!mbsinit (&state))
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	297 result \|= 8;
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	298 }
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	299 return result;
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	300 }]])],
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	301 [gl_cv_func_mbrtowc_null_arg1=yes],
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	302 [gl_cv_func_mbrtowc_null_arg1=no],
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	303 [:])
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	304 fi
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	305 ])
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	306 ])
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	307
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	308 dnl Test whether mbrtowc supports a NULL string argument correctly.
14042 1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	309 dnl Result is gl_cv_func_mbrtowc_null_arg2.
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	310
14042 1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	311 AC_DEFUN([gl_MBRTOWC_NULL_ARG2],
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	312 [
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	313 AC_REQUIRE([AC_PROG_CC])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	314 AC_REQUIRE([gt_LOCALE_FR_UTF8])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	315 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	316 AC_CACHE_CHECK([whether mbrtowc handles a NULL string argument],
14042 1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	317 [gl_cv_func_mbrtowc_null_arg2],
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	318 [
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	319 dnl Initial guess, used when cross-compiling or when no suitable locale
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	320 dnl is present.
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	321 changequote(,)dnl
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	322 case "$host_os" in
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	323 # Guess no on OSF/1.
14042 1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	324 osf*) gl_cv_func_mbrtowc_null_arg2="guessing no" ;;
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	325 # Guess yes otherwise.
14042 1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	326 *) gl_cv_func_mbrtowc_null_arg2="guessing yes" ;;
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	327 esac
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	328 changequote([,])dnl
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	329 if test $LOCALE_FR_UTF8 != none; then
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	330 AC_RUN_IFELSE(
da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	331 [AC_LANG_SOURCE([[
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	332 #include <locale.h>
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	333 #include <string.h>
14020 318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	334 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	335 <wchar.h>.
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	336 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	337 included before <wchar.h>. */
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	338 #include <stddef.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	339 #include <stdio.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	340 #include <time.h>
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	341 #include <wchar.h>
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	342 int main ()
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	343 {
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	344 if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	345 {
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	346 mbstate_t state;
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	347 wchar_t wc;
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	348 int ret;
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	349
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	350 memset (&state, '\0', sizeof (mbstate_t));
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	351 wc = (wchar_t) 0xBADFACE;
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	352 mbrtowc (&wc, NULL, 5, &state);
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	353 /* Check that wc was not modified. */
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	354 if (wc != (wchar_t) 0xBADFACE)
18530 4cb1f97031ad maint: use a more standard return from mbrtowc test Pádraig Brady <P@draigBrady.com> parents: 18292 diff changeset	355 return 2;
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	356 }
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	357 return 0;
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	358 }]])],
14042 1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	359 [gl_cv_func_mbrtowc_null_arg2=yes],
1a75c9206d28 mbrtowc: Work around a Solaris 7 bug. Bruno Haible <bruno@clisp.org> parents: 14020 diff changeset	360 [gl_cv_func_mbrtowc_null_arg2=no],
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	361 [:])
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	362 fi
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	363 ])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	364 ])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	365
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	366 dnl Test whether mbrtowc, when parsing the end of a multibyte character,
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	367 dnl correctly returns the number of bytes that were needed to complete the
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	368 dnl character (not the total number of bytes of the multibyte character).
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	369 dnl Result is gl_cv_func_mbrtowc_retval.
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	370
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	371 AC_DEFUN([gl_MBRTOWC_RETVAL],
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	372 [
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	373 AC_REQUIRE([AC_PROG_CC])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	374 AC_REQUIRE([gt_LOCALE_FR_UTF8])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	375 AC_REQUIRE([gt_LOCALE_JA])
14346 dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	376 AC_REQUIRE([AC_CANONICAL_HOST])
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	377 AC_CACHE_CHECK([whether mbrtowc has a correct return value],
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	378 [gl_cv_func_mbrtowc_retval],
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	379 [
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	380 dnl Initial guess, used when cross-compiling or when no suitable locale
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	381 dnl is present.
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	382 changequote(,)dnl
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	383 case "$host_os" in
14346 dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	384 # Guess no on HP-UX, Solaris, native Windows.
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	385 hpux* \| solaris* \| mingw*) gl_cv_func_mbrtowc_retval="guessing no" ;;
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	386 # Guess yes otherwise.
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	387 *) gl_cv_func_mbrtowc_retval="guessing yes" ;;
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	388 esac
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	389 changequote([,])dnl
14346 dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	390 if test $LOCALE_FR_UTF8 != none \|\| test $LOCALE_JA != none \
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	391 \|\| { case "$host_os" in mingw) true;; ) false;; esac; }; then
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	392 AC_RUN_IFELSE(
da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	393 [AC_LANG_SOURCE([[
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	394 #include <locale.h>
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	395 #include <string.h>
14020 318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	396 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	397 <wchar.h>.
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	398 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	399 included before <wchar.h>. */
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	400 #include <stddef.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	401 #include <stdio.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	402 #include <time.h>
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	403 #include <wchar.h>
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	404 int main ()
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	405 {
13918 d5a74c6ec06b Put more information about failed tests into the test return codes. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	406 int result = 0;
14346 dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	407 int found_some_locale = 0;
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	408 /* This fails on Solaris. */
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	409 if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	410 {
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	411 char input[] = "B\303\274\303\237er"; /* "Büßer" */
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	412 mbstate_t state;
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	413 wchar_t wc;
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	414
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	415 memset (&state, '\0', sizeof (mbstate_t));
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	416 if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2))
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	417 {
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	418 input[1] = '\0';
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	419 if (mbrtowc (&wc, input + 2, 5, &state) != 1)
13918 d5a74c6ec06b Put more information about failed tests into the test return codes. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	420 result \|= 1;
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	421 }
14346 dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	422 found_some_locale = 1;
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	423 }
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	424 /* This fails on HP-UX 11.11. */
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	425 if (setlocale (LC_ALL, "$LOCALE_JA") != NULL)
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	426 {
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	427 char input[] = "B\217\253\344\217\251\316er"; /* "Büßer" */
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	428 mbstate_t state;
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	429 wchar_t wc;
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	430
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	431 memset (&state, '\0', sizeof (mbstate_t));
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	432 if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2))
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	433 {
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	434 input[1] = '\0';
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	435 if (mbrtowc (&wc, input + 2, 5, &state) != 2)
13918 d5a74c6ec06b Put more information about failed tests into the test return codes. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	436 result \|= 2;
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	437 }
14346 dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	438 found_some_locale = 1;
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	439 }
14346 dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	440 /* This fails on native Windows. */
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	441 if (setlocale (LC_ALL, "Japanese_Japan.932") != NULL)
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	442 {
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	443 char input[] = "<\223\372\226\173\214\352>"; /* "<日本語>" */
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	444 mbstate_t state;
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	445 wchar_t wc;
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	446
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	447 memset (&state, '\0', sizeof (mbstate_t));
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	448 if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2))
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	449 {
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	450 input[3] = '\0';
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	451 if (mbrtowc (&wc, input + 4, 4, &state) != 1)
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	452 result \|= 4;
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	453 }
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	454 found_some_locale = 1;
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	455 }
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	456 if (setlocale (LC_ALL, "Chinese_Taiwan.950") != NULL)
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	457 {
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	458 char input[] = "<\244\351\245\273\273\171>"; /* "<日本語>" */
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	459 mbstate_t state;
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	460 wchar_t wc;
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	461
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	462 memset (&state, '\0', sizeof (mbstate_t));
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	463 if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2))
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	464 {
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	465 input[3] = '\0';
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	466 if (mbrtowc (&wc, input + 4, 4, &state) != 1)
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	467 result \|= 8;
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	468 }
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	469 found_some_locale = 1;
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	470 }
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	471 if (setlocale (LC_ALL, "Chinese_China.936") != NULL)
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	472 {
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	473 char input[] = "<\310\325\261\276\325\132>"; /* "<日本語>" */
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	474 mbstate_t state;
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	475 wchar_t wc;
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	476
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	477 memset (&state, '\0', sizeof (mbstate_t));
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	478 if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2))
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	479 {
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	480 input[3] = '\0';
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	481 if (mbrtowc (&wc, input + 4, 4, &state) != 1)
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	482 result \|= 16;
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	483 }
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	484 found_some_locale = 1;
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	485 }
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	486 return (found_some_locale ? result : 77);
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	487 }]])],
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	488 [gl_cv_func_mbrtowc_retval=yes],
14346 dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	489 [if test $? != 77; then
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	490 gl_cv_func_mbrtowc_retval=no
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	491 fi
dceb65f713b5 mbrtowc: Work around native Windows bug. Bruno Haible <bruno@clisp.org> parents: 14079 diff changeset	492 ],
11493 fcd8e65744b2 Fix cross-compilation results. Bruno Haible <bruno@clisp.org> parents: 11218 diff changeset	493 [:])
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	494 fi
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	495 ])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	496 ])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	497
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	498 dnl Test whether mbrtowc, when parsing a NUL character, correctly returns 0.
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	499 dnl Result is gl_cv_func_mbrtowc_nul_retval.
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	500
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	501 AC_DEFUN([gl_MBRTOWC_NUL_RETVAL],
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	502 [
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	503 AC_REQUIRE([AC_PROG_CC])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	504 AC_REQUIRE([gt_LOCALE_ZH_CN])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	505 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	506 AC_CACHE_CHECK([whether mbrtowc returns 0 when parsing a NUL character],
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	507 [gl_cv_func_mbrtowc_nul_retval],
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	508 [
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	509 dnl Initial guess, used when cross-compiling or when no suitable locale
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	510 dnl is present.
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	511 changequote(,)dnl
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	512 case "$host_os" in
11218 d3d4cc78595e Update guessed test results. Bruno Haible <bruno@clisp.org> parents: 11217 diff changeset	513 # Guess no on Solaris 8 and 9.
d3d4cc78595e Update guessed test results. Bruno Haible <bruno@clisp.org> parents: 11217 diff changeset	514 solaris2.[89]) gl_cv_func_mbrtowc_nul_retval="guessing no" ;;
d3d4cc78595e Update guessed test results. Bruno Haible <bruno@clisp.org> parents: 11217 diff changeset	515 # Guess yes otherwise.
d3d4cc78595e Update guessed test results. Bruno Haible <bruno@clisp.org> parents: 11217 diff changeset	516 *) gl_cv_func_mbrtowc_nul_retval="guessing yes" ;;
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	517 esac
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	518 changequote([,])dnl
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	519 if test $LOCALE_ZH_CN != none; then
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	520 AC_RUN_IFELSE(
da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	521 [AC_LANG_SOURCE([[
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	522 #include <locale.h>
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	523 #include <string.h>
14020 318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	524 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	525 <wchar.h>.
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	526 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	527 included before <wchar.h>. */
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	528 #include <stddef.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	529 #include <stdio.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	530 #include <time.h>
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	531 #include <wchar.h>
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	532 int main ()
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	533 {
11218 d3d4cc78595e Update guessed test results. Bruno Haible <bruno@clisp.org> parents: 11217 diff changeset	534 /* This fails on Solaris 8 and 9. */
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	535 if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL)
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	536 {
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	537 mbstate_t state;
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	538 wchar_t wc;
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	539
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	540 memset (&state, '\0', sizeof (mbstate_t));
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	541 if (mbrtowc (&wc, "", 1, &state) != 0)
18530 4cb1f97031ad maint: use a more standard return from mbrtowc test Pádraig Brady <P@draigBrady.com> parents: 18292 diff changeset	542 return 2;
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	543 }
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	544 return 0;
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13485 diff changeset	545 }]])],
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	546 [gl_cv_func_mbrtowc_nul_retval=yes],
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	547 [gl_cv_func_mbrtowc_nul_retval=no],
11493 fcd8e65744b2 Fix cross-compilation results. Bruno Haible <bruno@clisp.org> parents: 11218 diff changeset	548 [:])
10924 6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	549 fi
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	550 ])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	551 ])
6f547b3710c7 Work around mbrtowc bugs on AIX, HP-UX, OSF/1, Solaris. Bruno Haible <bruno@clisp.org> parents: 10906 diff changeset	552
17660 ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	553 dnl Test whether mbrtowc returns the correct value on empty input.
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	554
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	555 AC_DEFUN([gl_MBRTOWC_EMPTY_INPUT],
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	556 [
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	557 AC_REQUIRE([AC_PROG_CC])
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	558 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	559 AC_CACHE_CHECK([whether mbrtowc works on empty input],
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	560 [gl_cv_func_mbrtowc_empty_input],
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	561 [
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	562 dnl Initial guess, used when cross-compiling or when no suitable locale
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	563 dnl is present.
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	564 changequote(,)dnl
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	565 case "$host_os" in
19479 4bc5b8cefed7 Add cross-compilation results for GNU/Hurd. Samuel Thibault <samuel.thibault@gnu.org> parents: 18993 diff changeset	566 # Guess no on AIX and glibc systems.
4bc5b8cefed7 Add cross-compilation results for GNU/Hurd. Samuel Thibault <samuel.thibault@gnu.org> parents: 18993 diff changeset	567 aix* \| -gnu \| gnu*) gl_cv_func_mbrtowc_empty_input="guessing no" ;;
4bc5b8cefed7 Add cross-compilation results for GNU/Hurd. Samuel Thibault <samuel.thibault@gnu.org> parents: 18993 diff changeset	568 # Guess yes on native Windows.
4bc5b8cefed7 Add cross-compilation results for GNU/Hurd. Samuel Thibault <samuel.thibault@gnu.org> parents: 18993 diff changeset	569 mingw*) gl_cv_func_mbrtowc_empty_input="guessing yes" ;;
4bc5b8cefed7 Add cross-compilation results for GNU/Hurd. Samuel Thibault <samuel.thibault@gnu.org> parents: 18993 diff changeset	570 *) gl_cv_func_mbrtowc_empty_input="guessing yes" ;;
17660 ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	571 esac
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	572 changequote([,])dnl
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	573 AC_RUN_IFELSE(
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	574 [AC_LANG_SOURCE([[
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	575 #include <wchar.h>
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	576 static wchar_t wc;
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	577 static mbstate_t mbs;
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	578 int
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	579 main (void)
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	580 {
18185 aac4a75f4676 maint: fix operator precedence in mbrtowc test Daiki Ueno <ueno@gnu.org> parents: 18152 diff changeset	581 return mbrtowc (&wc, "", 0, &mbs) != (size_t) -2;
17660 ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	582 }]])],
18152 1997ee52dcf6 maint: use a more standard return from mbrtowc test Pádraig Brady <P@draigBrady.com> parents: 18109 diff changeset	583 [gl_cv_func_mbrtowc_empty_input=yes],
17660 ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	584 [gl_cv_func_mbrtowc_empty_input=no],
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	585 [:])
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	586 ])
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	587 ])
ea9dc06bfca8 mbrlen, mbrtowc: fix bug with empty input Paul Eggert <eggert@cs.ucla.edu> parents: 17576 diff changeset	588
18292 24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	589 dnl Test whether mbrtowc reports encoding errors in the C locale.
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	590 dnl Although POSIX was never intended to allow this, the GNU C Library
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	591 dnl and other implementations do it. See:
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	592 dnl https://sourceware.org/bugzilla/show_bug.cgi?id=19932
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	593
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	594 AC_DEFUN([gl_MBRTOWC_C_LOCALE],
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	595 [
18993 a75cfc731331 Improve cross-compilation guesses for native Windows. Bruno Haible <bruno@clisp.org> parents: 18990 diff changeset	596 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
18292 24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	597 AC_CACHE_CHECK([whether the C locale is free of encoding errors],
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	598 [gl_cv_C_locale_sans_EILSEQ],
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	599 [
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	600 dnl Initial guess, used when cross-compiling or when no suitable locale
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	601 dnl is present.
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	602 gl_cv_C_locale_sans_EILSEQ="guessing no"
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	603
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	604 AC_RUN_IFELSE(
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	605 [AC_LANG_PROGRAM(
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	606 [[#include <limits.h>
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	607 #include <locale.h>
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	608 #include <wchar.h>
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	609 ]], [[
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	610 int i;
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	611 char *locale = setlocale (LC_ALL, "C");
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	612 if (! locale)
18530 4cb1f97031ad maint: use a more standard return from mbrtowc test Pádraig Brady <P@draigBrady.com> parents: 18292 diff changeset	613 return 2;
18292 24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	614 for (i = CHAR_MIN; i <= CHAR_MAX; i++)
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	615 {
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	616 char c = i;
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	617 wchar_t wc;
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	618 mbstate_t mbs = { 0, };
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	619 size_t ss = mbrtowc (&wc, &c, 1, &mbs);
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	620 if (1 < ss)
18530 4cb1f97031ad maint: use a more standard return from mbrtowc test Pádraig Brady <P@draigBrady.com> parents: 18292 diff changeset	621 return 3;
18292 24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	622 }
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	623 return 0;
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	624 ]])],
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	625 [gl_cv_C_locale_sans_EILSEQ=yes],
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	626 [gl_cv_C_locale_sans_EILSEQ=no],
18993 a75cfc731331 Improve cross-compilation guesses for native Windows. Bruno Haible <bruno@clisp.org> parents: 18990 diff changeset	627 [case "$host_os" in
a75cfc731331 Improve cross-compilation guesses for native Windows. Bruno Haible <bruno@clisp.org> parents: 18990 diff changeset	628 # Guess yes on native Windows.
a75cfc731331 Improve cross-compilation guesses for native Windows. Bruno Haible <bruno@clisp.org> parents: 18990 diff changeset	629 mingw*) gl_cv_C_locale_sans_EILSEQ="guessing yes" ;;
a75cfc731331 Improve cross-compilation guesses for native Windows. Bruno Haible <bruno@clisp.org> parents: 18990 diff changeset	630 esac
a75cfc731331 Improve cross-compilation guesses for native Windows. Bruno Haible <bruno@clisp.org> parents: 18990 diff changeset	631 ])
a75cfc731331 Improve cross-compilation guesses for native Windows. Bruno Haible <bruno@clisp.org> parents: 18990 diff changeset	632 ])
18292 24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	633 ])
24fde31e764d mbrtowc: work around glibc bug#19932 Paul Eggert <eggert@penguin.cs.ucla.edu> parents: 18189 diff changeset	634
10906 6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	635 # Prerequisites of lib/mbrtowc.c.
6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	636 AC_DEFUN([gl_PREREQ_MBRTOWC], [
39704 46aa87a2631e mbrtowc, wcwidth: Fix MT-safety bug (regression from 2018-06-23). Bruno Haible <bruno@clisp.org> parents: 19484 diff changeset	637 AC_REQUIRE([AC_C_INLINE])
10906 6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	638 :
6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	639 ])
6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	640
6e283a40b2c1 New module 'mbrtowc'. Bruno Haible <bruno@clisp.org> parents: 10900 diff changeset	641
3167 9e312d4334b8 New file, defining jm_FUNC_MBRTOWC. Jim Meyering <jim@meyering.net> parents: diff changeset	642 dnl From Paul Eggert
9e312d4334b8 New file, defining jm_FUNC_MBRTOWC. Jim Meyering <jim@meyering.net> parents: diff changeset	643
14020 318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	644 dnl This is an override of an autoconf macro.
4108 c1d472db5c30 An independent .m4 file for each module. Bruno Haible <bruno@clisp.org> parents: 3882 diff changeset	645
10897 45e1c3577b49 Rename gl_FUNC_MBRTOWC to AC_FUNC_MBRTOWC. Bruno Haible <bruno@clisp.org> parents: 5964 diff changeset	646 AC_DEFUN([AC_FUNC_MBRTOWC],
3167 9e312d4334b8 New file, defining jm_FUNC_MBRTOWC. Jim Meyering <jim@meyering.net> parents: diff changeset	647 [
5964 111f78a51516 Avoid false positive on mingw. Bruno Haible <bruno@clisp.org> parents: 5585 diff changeset	648 dnl Same as AC_FUNC_MBRTOWC in autoconf-2.60.
3171 702f81769818 (jm_FUNC_MBRTOWC): Adapt to use AC_CACHE_CHECK etc., rather than AC_CACHE_VAL. Jim Meyering <jim@meyering.net> parents: 3167 diff changeset	649 AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
18990 4e69302a47a0 More systematic m4 quoting and indentation. Bruno Haible <bruno@clisp.org> parents: 18626 diff changeset	650 [gl_cv_func_mbrtowc],
5964 111f78a51516 Avoid false positive on mingw. Bruno Haible <bruno@clisp.org> parents: 5585 diff changeset	651 [AC_LINK_IFELSE(
111f78a51516 Avoid false positive on mingw. Bruno Haible <bruno@clisp.org> parents: 5585 diff changeset	652 [AC_LANG_PROGRAM(
14020 318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	653 [[/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	654 included before <wchar.h>.
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	655 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	656 must be included before <wchar.h>. */
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	657 #include <stddef.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	658 #include <stdio.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	659 #include <time.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13918 diff changeset	660 #include <wchar.h>]],
5964 111f78a51516 Avoid false positive on mingw. Bruno Haible <bruno@clisp.org> parents: 5585 diff changeset	661 [[wchar_t wc;
111f78a51516 Avoid false positive on mingw. Bruno Haible <bruno@clisp.org> parents: 5585 diff changeset	662 char const s[] = "";
111f78a51516 Avoid false positive on mingw. Bruno Haible <bruno@clisp.org> parents: 5585 diff changeset	663 size_t n = 1;
111f78a51516 Avoid false positive on mingw. Bruno Haible <bruno@clisp.org> parents: 5585 diff changeset	664 mbstate_t state;
111f78a51516 Avoid false positive on mingw. Bruno Haible <bruno@clisp.org> parents: 5585 diff changeset	665 return ! (sizeof state && (mbrtowc) (&wc, s, n, &state));]])],
18990 4e69302a47a0 More systematic m4 quoting and indentation. Bruno Haible <bruno@clisp.org> parents: 18626 diff changeset	666 [gl_cv_func_mbrtowc=yes],
4e69302a47a0 More systematic m4 quoting and indentation. Bruno Haible <bruno@clisp.org> parents: 18626 diff changeset	667 [gl_cv_func_mbrtowc=no])])
5018 9802b74db9a3 jm_ -> gl_ Bruno Haible <bruno@clisp.org> parents: 5016 diff changeset	668 if test $gl_cv_func_mbrtowc = yes; then
11007 f6cba5a556ce many .m4 files: improve m4 quoting Jim Meyering <meyering@redhat.com>* parents: 10957 diff changeset	669 AC_DEFINE([HAVE_MBRTOWC], [1],
3167 9e312d4334b8 New file, defining jm_FUNC_MBRTOWC. Jim Meyering <jim@meyering.net> parents: diff changeset	670 [Define to 1 if mbrtowc and mbstate_t are properly declared.])
9e312d4334b8 New file, defining jm_FUNC_MBRTOWC. Jim Meyering <jim@meyering.net> parents: diff changeset	671 fi
9e312d4334b8 New file, defining jm_FUNC_MBRTOWC. Jim Meyering <jim@meyering.net> parents: diff changeset	672 ])

Mercurial > gnulib

annotate m4/mbrtowc.m4 @ 40151:db994b489ff2