diff options
Diffstat (limited to 'm4/mbrtowc.m4')
| -rw-r--r-- | m4/mbrtowc.m4 | 365 |
1 files changed, 6 insertions, 359 deletions
diff --git a/m4/mbrtowc.m4 b/m4/mbrtowc.m4 index 9ec93f5..a3bd911 100644 --- a/m4/mbrtowc.m4 +++ b/m4/mbrtowc.m4 @@ -1,367 +1,15 @@ -# mbrtowc.m4 serial 16 -dnl Copyright (C) 2001-2002, 2004-2005, 2008-2010 Free Software Foundation, -dnl Inc. +# mbrtowc.m4 serial 8 +dnl Copyright (C) 2001-2002, 2004-2005 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. -AC_DEFUN([gl_FUNC_MBRTOWC], -[ - AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) - - AC_REQUIRE([AC_TYPE_MBSTATE_T]) - gl_MBSTATE_T_BROKEN - if test $REPLACE_MBSTATE_T = 1; then - REPLACE_MBRTOWC=1 - fi - AC_CHECK_FUNCS_ONCE([mbrtowc]) - if test $ac_cv_func_mbrtowc = no; then - HAVE_MBRTOWC=0 - fi - if test $HAVE_MBRTOWC != 0 && test $REPLACE_MBRTOWC != 1; then - gl_MBRTOWC_NULL_ARG - gl_MBRTOWC_RETVAL - gl_MBRTOWC_NUL_RETVAL - case "$gl_cv_func_mbrtowc_null_arg" in - *yes) ;; - *) AC_DEFINE([MBRTOWC_NULL_ARG_BUG], [1], - [Define if the mbrtowc function has the NULL string argument bug.]) - REPLACE_MBRTOWC=1 - ;; - esac - case "$gl_cv_func_mbrtowc_retval" in - *yes) ;; - *) AC_DEFINE([MBRTOWC_RETVAL_BUG], [1], - [Define if the mbrtowc function returns a wrong return value.]) - REPLACE_MBRTOWC=1 - ;; - esac - case "$gl_cv_func_mbrtowc_nul_retval" in - *yes) ;; - *) AC_DEFINE([MBRTOWC_NUL_RETVAL_BUG], [1], - [Define if the mbrtowc function does not return 0 for a NUL character.]) - REPLACE_MBRTOWC=1 - ;; - esac - fi - if test $HAVE_MBRTOWC = 0 || test $REPLACE_MBRTOWC = 1; then - gl_REPLACE_WCHAR_H - AC_LIBOBJ([mbrtowc]) - gl_PREREQ_MBRTOWC - fi -]) - -dnl Test whether mbsinit() and mbrtowc() need to be overridden in a way that -dnl redefines the semantics of the given mbstate_t type. -dnl Result is REPLACE_MBSTATE_T. -dnl When this is set to 1, we replace both mbsinit() and mbrtowc(), in order to -dnl avoid inconsistencies. - -AC_DEFUN([gl_MBSTATE_T_BROKEN], -[ - AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) - - AC_REQUIRE([AC_TYPE_MBSTATE_T]) - AC_CHECK_FUNCS_ONCE([mbsinit]) - AC_CHECK_FUNCS_ONCE([mbrtowc]) - if test $ac_cv_func_mbsinit = yes && test $ac_cv_func_mbrtowc = yes; then - gl_MBRTOWC_INCOMPLETE_STATE - gl_MBRTOWC_SANITYCHECK - REPLACE_MBSTATE_T=0 - case "$gl_cv_func_mbrtowc_incomplete_state" in - *yes) ;; - *) REPLACE_MBSTATE_T=1 ;; - esac - case "$gl_cv_func_mbrtowc_sanitycheck" in - *yes) ;; - *) REPLACE_MBSTATE_T=1 ;; - esac - else - REPLACE_MBSTATE_T=1 - fi - if test $REPLACE_MBSTATE_T = 1; then - gl_REPLACE_WCHAR_H - fi -]) - -dnl Test whether mbrtowc puts the state into non-initial state when parsing an -dnl incomplete multibyte character. -dnl Result is gl_cv_func_mbrtowc_incomplete_state. - -AC_DEFUN([gl_MBRTOWC_INCOMPLETE_STATE], -[ - AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([gt_LOCALE_JA]) - AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles - AC_CACHE_CHECK([whether mbrtowc handles incomplete characters], - [gl_cv_func_mbrtowc_incomplete_state], - [ - dnl Initial guess, used when cross-compiling or when no suitable locale - dnl is present. -changequote(,)dnl - case "$host_os" in - # Guess no on AIX and OSF/1. - osf*) gl_cv_func_mbrtowc_incomplete_state="guessing no" ;; - # Guess yes otherwise. - *) gl_cv_func_mbrtowc_incomplete_state="guessing yes" ;; - esac -changequote([,])dnl - if test $LOCALE_JA != none; then - AC_TRY_RUN([ -#include <locale.h> -#include <string.h> -#include <wchar.h> -int main () -{ - if (setlocale (LC_ALL, "$LOCALE_JA") != NULL) - { - const char input[] = "B\217\253\344\217\251\316er"; /* "Büßer" */ - mbstate_t state; - wchar_t wc; - - memset (&state, '\0', sizeof (mbstate_t)); - if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2)) - if (mbsinit (&state)) - return 1; - } - return 0; -}], - [gl_cv_func_mbrtowc_incomplete_state=yes], - [gl_cv_func_mbrtowc_incomplete_state=no], - [:]) - fi - ]) -]) - -dnl Test whether mbrtowc works not worse than mbtowc. -dnl Result is gl_cv_func_mbrtowc_sanitycheck. - -AC_DEFUN([gl_MBRTOWC_SANITYCHECK], -[ - AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([gt_LOCALE_ZH_CN]) - AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles - AC_CACHE_CHECK([whether mbrtowc works as well as mbtowc], - [gl_cv_func_mbrtowc_sanitycheck], - [ - dnl Initial guess, used when cross-compiling or when no suitable locale - dnl is present. -changequote(,)dnl - case "$host_os" in - # Guess no on Solaris 8. - solaris2.8) gl_cv_func_mbrtowc_sanitycheck="guessing no" ;; - # Guess yes otherwise. - *) gl_cv_func_mbrtowc_sanitycheck="guessing yes" ;; - esac -changequote([,])dnl - if test $LOCALE_ZH_CN != none; then - AC_TRY_RUN([ -#include <locale.h> -#include <stdlib.h> -#include <string.h> -#include <wchar.h> -int main () -{ - /* This fails on Solaris 8: - mbrtowc returns 2, and sets wc to 0x00F0. - mbtowc returns 4 (correct) and sets wc to 0x5EDC. */ - if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL) - { - char input[] = "B\250\271\201\060\211\070er"; /* "Büßer" */ - mbstate_t state; - wchar_t wc; - - memset (&state, '\0', sizeof (mbstate_t)); - if (mbrtowc (&wc, input + 3, 6, &state) != 4 - && mbtowc (&wc, input + 3, 6) == 4) - return 1; - } - return 0; -}], - [gl_cv_func_mbrtowc_sanitycheck=yes], - [gl_cv_func_mbrtowc_sanitycheck=no], - [:]) - fi - ]) -]) - -dnl Test whether mbrtowc supports a NULL string argument correctly. -dnl Result is gl_cv_func_mbrtowc_null_arg. - -AC_DEFUN([gl_MBRTOWC_NULL_ARG], -[ - AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([gt_LOCALE_FR_UTF8]) - AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles - AC_CACHE_CHECK([whether mbrtowc handles a NULL string argument], - [gl_cv_func_mbrtowc_null_arg], - [ - dnl Initial guess, used when cross-compiling or when no suitable locale - dnl is present. -changequote(,)dnl - case "$host_os" in - # Guess no on OSF/1. - osf*) gl_cv_func_mbrtowc_null_arg="guessing no" ;; - # Guess yes otherwise. - *) gl_cv_func_mbrtowc_null_arg="guessing yes" ;; - esac -changequote([,])dnl - if test $LOCALE_FR_UTF8 != none; then - AC_TRY_RUN([ -#include <locale.h> -#include <string.h> -#include <wchar.h> -int main () -{ - if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL) - { - mbstate_t state; - wchar_t wc; - int ret; - - memset (&state, '\0', sizeof (mbstate_t)); - wc = (wchar_t) 0xBADFACE; - mbrtowc (&wc, NULL, 5, &state); - /* Check that wc was not modified. */ - if (wc != (wchar_t) 0xBADFACE) - return 1; - } - return 0; -}], [gl_cv_func_mbrtowc_null_arg=yes], [gl_cv_func_mbrtowc_null_arg=no], [:]) - fi - ]) -]) - -dnl Test whether mbrtowc, when parsing the end of a multibyte character, -dnl correctly returns the number of bytes that were needed to complete the -dnl character (not the total number of bytes of the multibyte character). -dnl Result is gl_cv_func_mbrtowc_retval. - -AC_DEFUN([gl_MBRTOWC_RETVAL], -[ - AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([gt_LOCALE_FR_UTF8]) - AC_REQUIRE([gt_LOCALE_JA]) - AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles - AC_CACHE_CHECK([whether mbrtowc has a correct return value], - [gl_cv_func_mbrtowc_retval], - [ - dnl Initial guess, used when cross-compiling or when no suitable locale - dnl is present. -changequote(,)dnl - case "$host_os" in - # Guess no on HP-UX and Solaris. - hpux* | solaris*) gl_cv_func_mbrtowc_retval="guessing no" ;; - # Guess yes otherwise. - *) gl_cv_func_mbrtowc_retval="guessing yes" ;; - esac -changequote([,])dnl - if test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none; then - AC_TRY_RUN([ -#include <locale.h> -#include <string.h> -#include <wchar.h> -int main () -{ - /* This fails on Solaris. */ - if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL) - { - char input[] = "B\303\274\303\237er"; /* "Büßer" */ - mbstate_t state; - wchar_t wc; - - memset (&state, '\0', sizeof (mbstate_t)); - if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2)) - { - input[1] = '\0'; - if (mbrtowc (&wc, input + 2, 5, &state) != 1) - return 1; - } - } - /* This fails on HP-UX 11.11. */ - if (setlocale (LC_ALL, "$LOCALE_JA") != NULL) - { - char input[] = "B\217\253\344\217\251\316er"; /* "Büßer" */ - mbstate_t state; - wchar_t wc; - - memset (&state, '\0', sizeof (mbstate_t)); - if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2)) - { - input[1] = '\0'; - if (mbrtowc (&wc, input + 2, 5, &state) != 2) - return 1; - } - } - return 0; -}], - [gl_cv_func_mbrtowc_retval=yes], - [gl_cv_func_mbrtowc_retval=no], - [:]) - fi - ]) -]) - -dnl Test whether mbrtowc, when parsing a NUL character, correctly returns 0. -dnl Result is gl_cv_func_mbrtowc_nul_retval. - -AC_DEFUN([gl_MBRTOWC_NUL_RETVAL], -[ - AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([gt_LOCALE_ZH_CN]) - AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles - AC_CACHE_CHECK([whether mbrtowc returns 0 when parsing a NUL character], - [gl_cv_func_mbrtowc_nul_retval], - [ - dnl Initial guess, used when cross-compiling or when no suitable locale - dnl is present. -changequote(,)dnl - case "$host_os" in - # Guess no on Solaris 8 and 9. - solaris2.[89]) gl_cv_func_mbrtowc_nul_retval="guessing no" ;; - # Guess yes otherwise. - *) gl_cv_func_mbrtowc_nul_retval="guessing yes" ;; - esac -changequote([,])dnl - if test $LOCALE_ZH_CN != none; then - AC_TRY_RUN([ -#include <locale.h> -#include <string.h> -#include <wchar.h> -int main () -{ - /* This fails on Solaris 8 and 9. */ - if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL) - { - mbstate_t state; - wchar_t wc; - - memset (&state, '\0', sizeof (mbstate_t)); - if (mbrtowc (&wc, "", 1, &state) != 0) - return 1; - } - return 0; -}], - [gl_cv_func_mbrtowc_nul_retval=yes], - [gl_cv_func_mbrtowc_nul_retval=no], - [:]) - fi - ]) -]) - -# Prerequisites of lib/mbrtowc.c. -AC_DEFUN([gl_PREREQ_MBRTOWC], [ - : -]) - - dnl From Paul Eggert -dnl This override of an autoconf macro can be removed when autoconf 2.60 or -dnl newer can be assumed everywhere. +dnl This file can be removed, and gl_FUNC_MBRTOWC replaced with +dnl AC_FUNC_MBRTOWC, when autoconf 2.60 can be assumed everywhere. -m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.60]),[-1],[ -AC_DEFUN([AC_FUNC_MBRTOWC], +AC_DEFUN([gl_FUNC_MBRTOWC], [ dnl Same as AC_FUNC_MBRTOWC in autoconf-2.60. AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared], @@ -377,8 +25,7 @@ AC_DEFUN([AC_FUNC_MBRTOWC], gl_cv_func_mbrtowc=yes, gl_cv_func_mbrtowc=no)]) if test $gl_cv_func_mbrtowc = yes; then - AC_DEFINE([HAVE_MBRTOWC], [1], + AC_DEFINE([HAVE_MBRTOWC], 1, [Define to 1 if mbrtowc and mbstate_t are properly declared.]) fi ]) -]) |