summaryrefslogtreecommitdiff
path: root/gnulib-m4/mbrtowc.m4
diff options
context:
space:
mode:
Diffstat (limited to 'gnulib-m4/mbrtowc.m4')
-rw-r--r--gnulib-m4/mbrtowc.m4325
1 files changed, 47 insertions, 278 deletions
diff --git a/gnulib-m4/mbrtowc.m4 b/gnulib-m4/mbrtowc.m4
index c0d751d..606de5c 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
])
+])