2N/A# mbsrtowcs.m4 serial 7

2N/Adnl Copyright (C) 2008-2010 Free Software Foundation, Inc.

2N/Adnl This file is free software; the Free Software Foundation

2N/Adnl gives unlimited permission to copy and/or distribute it,

2N/Adnl with or without modifications, as long as this notice is preserved.

2N/A

2N/AAC_DEFUN([gl_FUNC_MBSRTOWCS],

2N/A[

2N/A AC_REQUIRE([gl_WCHAR_H_DEFAULTS])

2N/A

2N/A AC_REQUIRE([AC_TYPE_MBSTATE_T])

2N/A gl_MBSTATE_T_BROKEN

2N/A

2N/A AC_CHECK_FUNCS_ONCE([mbsrtowcs])

2N/A if test $ac_cv_func_mbsrtowcs = no; then

2N/A HAVE_MBSRTOWCS=0

2N/A else

2N/A if test $REPLACE_MBSTATE_T = 1; then

2N/A REPLACE_MBSRTOWCS=1

2N/A else

2N/A gl_MBSRTOWCS_WORKS

2N/A case "$gl_cv_func_mbsrtowcs_works" in

2N/A *yes) ;;

2N/A *) REPLACE_MBSRTOWCS=1 ;;

2N/A esac

2N/A fi

2N/A fi

2N/A if test $HAVE_MBSRTOWCS = 0 || test $REPLACE_MBSRTOWCS = 1; then

2N/A gl_REPLACE_WCHAR_H

2N/A AC_LIBOBJ([mbsrtowcs])

2N/A AC_LIBOBJ([mbsrtowcs-state])

2N/A gl_PREREQ_MBSRTOWCS

2N/A fi

2N/A])

2N/A

2N/Adnl Test whether mbsrtowcs works.

2N/Adnl Result is gl_cv_func_mbsrtowcs_works.

2N/A

2N/AAC_DEFUN([gl_MBSRTOWCS_WORKS],

2N/A[

2N/A AC_REQUIRE([AC_PROG_CC])

2N/A AC_REQUIRE([gt_LOCALE_FR_UTF8])

2N/A AC_REQUIRE([gt_LOCALE_JA])

2N/A AC_REQUIRE([gt_LOCALE_ZH_CN])

2N/A AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles

2N/A AC_CACHE_CHECK([whether mbsrtowcs works],

2N/A [gl_cv_func_mbsrtowcs_works],

2N/A [

2N/A dnl Initial guess, used when cross-compiling or when no suitable locale

2N/A dnl is present.

2N/Achangequote(,)dnl

2N/A case "$host_os" in

2N/A # Guess no on HP-UX and Solaris.

2N/A hpux* | solaris*) gl_cv_func_mbsrtowcs_works="guessing no" ;;

2N/A # Guess yes otherwise.

2N/A *) gl_cv_func_mbsrtowcs_works="guessing yes" ;;

2N/A esac

2N/Achangequote([,])dnl

2N/A if test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none || test $LOCALE_ZH_CN != none; then

2N/A AC_RUN_IFELSE(

2N/A [AC_LANG_SOURCE([[

2N/A#include <locale.h>

2N/A#include <string.h>

2N/A#include <wchar.h>

2N/Aint main ()

2N/A{

2N/A /* Test whether the function works when started with a conversion state

2N/A in non-initial state. This fails on HP-UX 11.11 and Solaris 10. */

2N/A if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)

2N/A {

2N/A const char input[] = "B\303\274\303\237er";

2N/A mbstate_t state;

2N/A

2N/A memset (&state, '\0', sizeof (mbstate_t));

2N/A if (mbrtowc (NULL, input + 1, 1, &state) == (size_t)(-2))

2N/A if (!mbsinit (&state))

2N/A {

2N/A const char *src = input + 2;

2N/A if (mbsrtowcs (NULL, &src, 10, &state) != 4)

2N/A return 1;

2N/A }

2N/A }

2N/A if (setlocale (LC_ALL, "$LOCALE_JA") != NULL)

2N/A {

2N/A const char input[] = "<\306\374\313\334\270\354>";

2N/A mbstate_t state;

2N/A

2N/A memset (&state, '\0', sizeof (mbstate_t));

2N/A if (mbrtowc (NULL, input + 3, 1, &state) == (size_t)(-2))

2N/A if (!mbsinit (&state))

2N/A {

2N/A const char *src = input + 4;

2N/A if (mbsrtowcs (NULL, &src, 10, &state) != 3)

2N/A return 1;

2N/A }

2N/A }

2N/A if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL)

2N/A {

2N/A const char input[] = "B\250\271\201\060\211\070er";

2N/A mbstate_t state;

2N/A

2N/A memset (&state, '\0', sizeof (mbstate_t));

2N/A if (mbrtowc (NULL, input + 1, 1, &state) == (size_t)(-2))

2N/A if (!mbsinit (&state))

2N/A {

2N/A const char *src = input + 2;

2N/A if (mbsrtowcs (NULL, &src, 10, &state) != 4)

2N/A return 1;

2N/A }

2N/A }

2N/A return 0;

2N/A}]])],

2N/A [gl_cv_func_mbsrtowcs_works=yes],

2N/A [gl_cv_func_mbsrtowcs_works=no],

2N/A [:])

2N/A fi

2N/A ])

2N/A])

2N/A

2N/A# Prerequisites of lib/mbsrtowcs.c.

2N/AAC_DEFUN([gl_PREREQ_MBSRTOWCS], [

2N/A :

2N/A])