-# wcsrtombs.m4 serial 3
-dnl Copyright (C) 2008-2009 Free Software Foundation, Inc.
+# wcsrtombs.m4 serial 11
+dnl Copyright (C) 2008-2013 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_REQUIRE([gl_WCHAR_H_DEFAULTS])
AC_REQUIRE([AC_TYPE_MBSTATE_T])
+ gl_MBSTATE_T_BROKEN
+
AC_CHECK_FUNCS_ONCE([wcsrtombs])
if test $ac_cv_func_wcsrtombs = no; then
HAVE_WCSRTOMBS=0
+ AC_CHECK_DECLS([wcsrtombs],,, [[
+/* 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 $ac_cv_have_decl_wcsrtombs = yes; then
+ dnl On Minix 3.1.8, the system's <wchar.h> declares wcsrtombs() although
+ dnl it does not have the function. Avoid a collision with gnulib's
+ dnl replacement.
+ REPLACE_WCSRTOMBS=1
+ fi
else
- gl_WCSRTOMBS_TERMINATION
- gl_WCSRTOMBS_NULL
- case "$gl_cv_func_wcsrtombs_termination" in
- *yes) ;;
- *) AC_DEFINE([WCSRTOMBS_TERMINATION_BUG], [1],
- [Define if the wcsrtombs function may set the source pointer to NULL without NUL-terminating the destination.])
- REPLACE_WCSRTOMBS=1 ;;
- esac
- case "$gl_cv_func_wcsrtombs_null" in
- *yes) ;;
- *) AC_DEFINE([WCSRTOMBS_NULL_ARG_BUG], [1],
- [Define if the wcsrtombs function has the NULL destination argument bug.])
- REPLACE_WCSRTOMBS=1 ;;
- esac
- fi
- if test $HAVE_WCSRTOMBS = 0 || test $REPLACE_WCSRTOMBS = 1; then
- gl_REPLACE_WCHAR_H
- AC_LIBOBJ([wcsrtombs])
- AC_LIBOBJ([wcsrtombs-state])
- gl_PREREQ_WCSRTOMBS
+ if test $REPLACE_MBSTATE_T = 1; then
+ REPLACE_WCSRTOMBS=1
+ else
+ gl_WCSRTOMBS_TERMINATION
+ gl_WCSRTOMBS_NULL
+ case "$gl_cv_func_wcsrtombs_termination" in
+ *yes) ;;
+ *) AC_DEFINE([WCSRTOMBS_TERMINATION_BUG], [1],
+ [Define if the wcsrtombs function may set the source pointer to NULL without NUL-terminating the destination.])
+ REPLACE_WCSRTOMBS=1 ;;
+ esac
+ case "$gl_cv_func_wcsrtombs_null" in
+ *yes) ;;
+ *) AC_DEFINE([WCSRTOMBS_NULL_ARG_BUG], [1],
+ [Define if the wcsrtombs function has the NULL destination argument bug.])
+ REPLACE_WCSRTOMBS=1 ;;
+ esac
+ fi
fi
])
esac
changequote([,])dnl
if test $LOCALE_FR != none; then
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <locale.h>
#include <stdlib.h>
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+ <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+ included before <wchar.h>. */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
#include <wchar.h>
int main ()
{
}
}
return 0;
-}],
+}]])],
[gl_cv_func_wcsrtombs_termination=yes],
[gl_cv_func_wcsrtombs_termination=no],
[:])
dnl is present.
changequote(,)dnl
case "$host_os" in
- # Guess no on HP-UX and OSF/1.
- hpux* | osf*) gl_cv_func_wcsrtombs_null="guessing no" ;;
- # Guess yes otherwise.
- *) gl_cv_func_wcsrtombs_null="guessing yes" ;;
+ # Guess no on HP-UX, OSF/1, mingw.
+ hpux* | osf* | mingw*) gl_cv_func_wcsrtombs_null="guessing no" ;;
+ # Guess yes otherwise.
+ *) gl_cv_func_wcsrtombs_null="guessing yes" ;;
esac
changequote([,])dnl
if test $LOCALE_FR != none; then
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <locale.h>
#include <stdlib.h>
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+ <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+ included before <wchar.h>. */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
#include <wchar.h>
int main ()
{
+ int result = 0;
if (setlocale (LC_ALL, "$LOCALE_FR") != NULL)
{
const char original[] = "B\374\337er";
if (mbstowcs (input, original, 10) == 5)
{
const wchar_t *src = input;
- wcsrtombs (NULL, &src, 10, NULL);
+ size_t ret = wcsrtombs (NULL, &src, 3, NULL);
+ if (ret != 5)
+ result |= 1;
if (src != input)
- return 1;
+ result |= 2;
}
}
- return 0;
-}],
+ return result;
+}]])],
[gl_cv_func_wcsrtombs_null=yes],
[gl_cv_func_wcsrtombs_null=no],
[:])