diff options
Diffstat (limited to 'gnulib-m4/mbrtowc.m4')
| -rw-r--r-- | gnulib-m4/mbrtowc.m4 | 325 |
1 files changed, 47 insertions, 278 deletions
diff --git a/gnulib-m4/mbrtowc.m4 b/gnulib-m4/mbrtowc.m4 index c0d751dc..606de5c9 100644 --- a/gnulib-m4/mbrtowc.m4 +++ b/gnulib-m4/mbrtowc.m4 @@ -1,5 +1,5 @@ -# mbrtowc.m4 serial 26 -dnl Copyright (C) 2001-2002, 2004-2005, 2008-2015 Free Software Foundation, +# mbrtowc.m4 serial 17 +dnl Copyright (C) 2001-2002, 2004-2005, 2008-2010 Free Software Foundation, dnl Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -15,41 +15,16 @@ AC_DEFUN([gl_FUNC_MBRTOWC], AC_CHECK_FUNCS_ONCE([mbrtowc]) if test $ac_cv_func_mbrtowc = no; then HAVE_MBRTOWC=0 - AC_CHECK_DECLS([mbrtowc],,, [[ -/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before - <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be - included before <wchar.h>. */ -#include <stddef.h> -#include <stdio.h> -#include <time.h> -#include <wchar.h> -]]) - if test $ac_cv_have_decl_mbrtowc = yes; then - dnl On Minix 3.1.8, the system's <wchar.h> declares mbrtowc() although - dnl it does not have the function. Avoid a collision with gnulib's - dnl replacement. - REPLACE_MBRTOWC=1 - fi else if test $REPLACE_MBSTATE_T = 1; then REPLACE_MBRTOWC=1 else - gl_MBRTOWC_NULL_ARG1 - gl_MBRTOWC_NULL_ARG2 + gl_MBRTOWC_NULL_ARG gl_MBRTOWC_RETVAL gl_MBRTOWC_NUL_RETVAL - gl_MBRTOWC_EMPTY_INPUT - case "$gl_cv_func_mbrtowc_null_arg1" in - *yes) ;; - *) AC_DEFINE([MBRTOWC_NULL_ARG1_BUG], [1], - [Define if the mbrtowc function has the NULL pwc argument bug.]) - REPLACE_MBRTOWC=1 - ;; - esac - case "$gl_cv_func_mbrtowc_null_arg2" in + case "$gl_cv_func_mbrtowc_null_arg" in *yes) ;; - *) AC_DEFINE([MBRTOWC_NULL_ARG2_BUG], [1], + *) AC_DEFINE([MBRTOWC_NULL_ARG_BUG], [1], [Define if the mbrtowc function has the NULL string argument bug.]) REPLACE_MBRTOWC=1 ;; @@ -68,16 +43,13 @@ AC_DEFUN([gl_FUNC_MBRTOWC], REPLACE_MBRTOWC=1 ;; esac - case "$gl_cv_func_mbrtowc_empty_input" in - *yes) ;; - *) AC_DEFINE([MBRTOWC_EMPTY_INPUT_BUG], [1], - [Define if the mbrtowc function does not return (size_t) -2 - for empty input.]) - REPLACE_MBRTOWC=1 - ;; - esac fi 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 @@ -108,6 +80,9 @@ AC_DEFUN([gl_MBSTATE_T_BROKEN], else REPLACE_MBSTATE_T=1 fi + if test $REPLACE_MBSTATE_T = 1; then + gl_REPLACE_WCHAR_H + fi ]) dnl Test whether mbrtowc puts the state into non-initial state when parsing an @@ -126,24 +101,16 @@ AC_DEFUN([gl_MBRTOWC_INCOMPLETE_STATE], dnl is present. changequote(,)dnl case "$host_os" in - # Guess no on AIX and OSF/1. - aix* | osf*) gl_cv_func_mbrtowc_incomplete_state="guessing no" ;; - # Guess yes otherwise. - *) gl_cv_func_mbrtowc_incomplete_state="guessing yes" ;; + # 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_RUN_IFELSE( - [AC_LANG_SOURCE([[ + AC_TRY_RUN([ #include <locale.h> #include <string.h> -/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before - <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be - included before <wchar.h>. */ -#include <stddef.h> -#include <stdio.h> -#include <time.h> #include <wchar.h> int main () { @@ -159,7 +126,7 @@ int main () return 1; } return 0; -}]])], +}], [gl_cv_func_mbrtowc_incomplete_state=yes], [gl_cv_func_mbrtowc_incomplete_state=no], [:]) @@ -189,18 +156,10 @@ changequote(,)dnl esac changequote([,])dnl if test $LOCALE_ZH_CN != none; then - AC_RUN_IFELSE( - [AC_LANG_SOURCE([[ + AC_TRY_RUN([ #include <locale.h> #include <stdlib.h> #include <string.h> -/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before - <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be - included before <wchar.h>. */ -#include <stddef.h> -#include <stdio.h> -#include <time.h> #include <wchar.h> int main () { @@ -219,7 +178,7 @@ int main () return 1; } return 0; -}]])], +}], [gl_cv_func_mbrtowc_sanitycheck=yes], [gl_cv_func_mbrtowc_sanitycheck=no], [:]) @@ -227,109 +186,31 @@ int main () ]) ]) -dnl Test whether mbrtowc supports a NULL pwc argument correctly. -dnl Result is gl_cv_func_mbrtowc_null_arg1. - -AC_DEFUN([gl_MBRTOWC_NULL_ARG1], -[ - AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([gt_LOCALE_FR_UTF8]) - AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles - AC_CACHE_CHECK([whether mbrtowc handles a NULL pwc argument], - [gl_cv_func_mbrtowc_null_arg1], - [ - dnl Initial guess, used when cross-compiling or when no suitable locale - dnl is present. -changequote(,)dnl - case "$host_os" in - # Guess no on Solaris. - solaris*) gl_cv_func_mbrtowc_null_arg1="guessing no" ;; - # Guess yes otherwise. - *) gl_cv_func_mbrtowc_null_arg1="guessing yes" ;; - esac -changequote([,])dnl - if test $LOCALE_FR_UTF8 != none; then - AC_RUN_IFELSE( - [AC_LANG_SOURCE([[ -#include <locale.h> -#include <stdlib.h> -#include <string.h> -/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before - <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be - included before <wchar.h>. */ -#include <stddef.h> -#include <stdio.h> -#include <time.h> -#include <wchar.h> -int main () -{ - int result = 0; - - if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL) - { - char input[] = "\303\237er"; - mbstate_t state; - wchar_t wc; - size_t ret; - - memset (&state, '\0', sizeof (mbstate_t)); - wc = (wchar_t) 0xBADFACE; - ret = mbrtowc (&wc, input, 5, &state); - if (ret != 2) - result |= 1; - if (!mbsinit (&state)) - result |= 2; - - memset (&state, '\0', sizeof (mbstate_t)); - ret = mbrtowc (NULL, input, 5, &state); - if (ret != 2) /* Solaris 7 fails here: ret is -1. */ - result |= 4; - if (!mbsinit (&state)) - result |= 8; - } - return result; -}]])], - [gl_cv_func_mbrtowc_null_arg1=yes], - [gl_cv_func_mbrtowc_null_arg1=no], - [:]) - fi - ]) -]) - dnl Test whether mbrtowc supports a NULL string argument correctly. -dnl Result is gl_cv_func_mbrtowc_null_arg2. +dnl Result is gl_cv_func_mbrtowc_null_arg. -AC_DEFUN([gl_MBRTOWC_NULL_ARG2], +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_arg2], + [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_arg2="guessing no" ;; + osf*) gl_cv_func_mbrtowc_null_arg="guessing no" ;; # Guess yes otherwise. - *) gl_cv_func_mbrtowc_null_arg2="guessing yes" ;; + *) gl_cv_func_mbrtowc_null_arg="guessing yes" ;; esac changequote([,])dnl if test $LOCALE_FR_UTF8 != none; then - AC_RUN_IFELSE( - [AC_LANG_SOURCE([[ + AC_TRY_RUN([ #include <locale.h> #include <string.h> -/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before - <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be - included before <wchar.h>. */ -#include <stddef.h> -#include <stdio.h> -#include <time.h> #include <wchar.h> int main () { @@ -347,10 +228,7 @@ int main () return 1; } return 0; -}]])], - [gl_cv_func_mbrtowc_null_arg2=yes], - [gl_cv_func_mbrtowc_null_arg2=no], - [:]) +}], [gl_cv_func_mbrtowc_null_arg=yes], [gl_cv_func_mbrtowc_null_arg=no], [:]) fi ]) ]) @@ -365,7 +243,7 @@ AC_DEFUN([gl_MBRTOWC_RETVAL], AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([gt_LOCALE_FR_UTF8]) AC_REQUIRE([gt_LOCALE_JA]) - AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_CACHE_CHECK([whether mbrtowc has a correct return value], [gl_cv_func_mbrtowc_retval], [ @@ -373,30 +251,19 @@ AC_DEFUN([gl_MBRTOWC_RETVAL], dnl is present. changequote(,)dnl case "$host_os" in - # Guess no on HP-UX, Solaris, native Windows. - hpux* | solaris* | mingw*) gl_cv_func_mbrtowc_retval="guessing no" ;; - # Guess yes otherwise. - *) gl_cv_func_mbrtowc_retval="guessing yes" ;; + # 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 $LOCALE_JA != none \ - || { case "$host_os" in mingw*) true;; *) false;; esac; }; then - AC_RUN_IFELSE( - [AC_LANG_SOURCE([[ + if test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none; then + AC_TRY_RUN([ #include <locale.h> #include <string.h> -/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before - <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be - included before <wchar.h>. */ -#include <stddef.h> -#include <stdio.h> -#include <time.h> #include <wchar.h> int main () { - int result = 0; - int found_some_locale = 0; /* This fails on Solaris. */ if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL) { @@ -409,9 +276,8 @@ int main () { input[1] = '\0'; if (mbrtowc (&wc, input + 2, 5, &state) != 1) - result |= 1; + return 1; } - found_some_locale = 1; } /* This fails on HP-UX 11.11. */ if (setlocale (LC_ALL, "$LOCALE_JA") != NULL) @@ -425,63 +291,13 @@ int main () { input[1] = '\0'; if (mbrtowc (&wc, input + 2, 5, &state) != 2) - result |= 2; + return 1; } - found_some_locale = 1; } - /* This fails on native Windows. */ - if (setlocale (LC_ALL, "Japanese_Japan.932") != NULL) - { - char input[] = "<\223\372\226\173\214\352>"; /* "<日本語>" */ - mbstate_t state; - wchar_t wc; - - memset (&state, '\0', sizeof (mbstate_t)); - if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2)) - { - input[3] = '\0'; - if (mbrtowc (&wc, input + 4, 4, &state) != 1) - result |= 4; - } - found_some_locale = 1; - } - if (setlocale (LC_ALL, "Chinese_Taiwan.950") != NULL) - { - char input[] = "<\244\351\245\273\273\171>"; /* "<日本語>" */ - mbstate_t state; - wchar_t wc; - - memset (&state, '\0', sizeof (mbstate_t)); - if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2)) - { - input[3] = '\0'; - if (mbrtowc (&wc, input + 4, 4, &state) != 1) - result |= 8; - } - found_some_locale = 1; - } - if (setlocale (LC_ALL, "Chinese_China.936") != NULL) - { - char input[] = "<\310\325\261\276\325\132>"; /* "<日本語>" */ - mbstate_t state; - wchar_t wc; - - memset (&state, '\0', sizeof (mbstate_t)); - if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2)) - { - input[3] = '\0'; - if (mbrtowc (&wc, input + 4, 4, &state) != 1) - result |= 16; - } - found_some_locale = 1; - } - return (found_some_locale ? result : 77); -}]])], + return 0; +}], [gl_cv_func_mbrtowc_retval=yes], - [if test $? != 77; then - gl_cv_func_mbrtowc_retval=no - fi - ], + [gl_cv_func_mbrtowc_retval=no], [:]) fi ]) @@ -509,17 +325,9 @@ changequote(,)dnl esac changequote([,])dnl if test $LOCALE_ZH_CN != none; then - AC_RUN_IFELSE( - [AC_LANG_SOURCE([[ + AC_TRY_RUN([ #include <locale.h> #include <string.h> -/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before - <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be - included before <wchar.h>. */ -#include <stddef.h> -#include <stdio.h> -#include <time.h> #include <wchar.h> int main () { @@ -534,7 +342,7 @@ int main () return 1; } return 0; -}]])], +}], [gl_cv_func_mbrtowc_nul_retval=yes], [gl_cv_func_mbrtowc_nul_retval=no], [:]) @@ -542,41 +350,6 @@ int main () ]) ]) -dnl Test whether mbrtowc returns the correct value on empty input. - -AC_DEFUN([gl_MBRTOWC_EMPTY_INPUT], -[ - AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles - AC_CACHE_CHECK([whether mbrtowc works on empty input], - [gl_cv_func_mbrtowc_empty_input], - [ - dnl Initial guess, used when cross-compiling or when no suitable locale - dnl is present. -changequote(,)dnl - case "$host_os" in - # Guess no on AIX and glibc systems. - aix* | *-gnu*) - gl_cv_func_mbrtowc_empty_input="guessing no" ;; - *) gl_cv_func_mbrtowc_empty_input="guessing yes" ;; - esac -changequote([,])dnl - AC_RUN_IFELSE( - [AC_LANG_SOURCE([[ - #include <wchar.h> - static wchar_t wc; - static mbstate_t mbs; - int - main (void) - { - return mbrtowc (&wc, "", 0, &mbs) == (size_t) -2; - }]])], - [gl_cv_func_mbrtowc_empty_input=no], - [gl_cv_func_mbrtowc_empty_input=yes], - [:]) - ]) -]) - # Prerequisites of lib/mbrtowc.c. AC_DEFUN([gl_PREREQ_MBRTOWC], [ : @@ -585,8 +358,10 @@ AC_DEFUN([gl_PREREQ_MBRTOWC], [ dnl From Paul Eggert -dnl This is an override of an autoconf macro. +dnl This override of an autoconf macro can be removed when autoconf 2.60 or +dnl newer can be assumed everywhere. +m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.60]),[-1],[ AC_DEFUN([AC_FUNC_MBRTOWC], [ dnl Same as AC_FUNC_MBRTOWC in autoconf-2.60. @@ -594,14 +369,7 @@ AC_DEFUN([AC_FUNC_MBRTOWC], gl_cv_func_mbrtowc, [AC_LINK_IFELSE( [AC_LANG_PROGRAM( - [[/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be - included before <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> - must be included before <wchar.h>. */ - #include <stddef.h> - #include <stdio.h> - #include <time.h> - #include <wchar.h>]], + [[#include <wchar.h>]], [[wchar_t wc; char const s[] = ""; size_t n = 1; @@ -614,3 +382,4 @@ AC_DEFUN([AC_FUNC_MBRTOWC], [Define to 1 if mbrtowc and mbstate_t are properly declared.]) fi ]) +]) |