view lib/wcsrtombs.c @ 17364:7524d97ae56f

stdalign: port to stricter ISO C11 ISO C11 says that _Alignof's operand must be a parenthesized type. Problem reported by Eli Zaretskii in <http://lists.gnu.org/archive/html/emacs-devel/2013-03/msg00960.html>. * doc/posix-headers/stdalign.texi (stdalign.h): Document this. * m4/stdalign.m4 (gl_STDALIGN_H): Don't use _Alignof (expr).
author Paul Eggert <eggert@cs.ucla.edu>
date Fri, 29 Mar 2013 19:47:13 -0700
parents e542fd46ad6f
children 344018b6e5d7
line wrap: on
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/* Convert wide string to string.
   Copyright (C) 2008, 2010-2013 Free Software Foundation, Inc.
   Written by Bruno Haible <bruno@clisp.org>, 2008.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include <config.h>

/* Specification.  */
#include <wchar.h>

extern mbstate_t _gl_wcsrtombs_state;

#if HAVE_WCSRTOMBS && !WCSRTOMBS_TERMINATION_BUG && !defined GNULIB_defined_mbstate_t
/* Override the system's wcsrtombs() function.  */

# undef wcsrtombs

size_t
rpl_wcsrtombs (char *dest, const wchar_t **srcp, size_t len, mbstate_t *ps)
{
  if (ps == NULL)
    ps = &_gl_wcsrtombs_state;
# if WCSRTOMBS_NULL_ARG_BUG
  if (dest == NULL)
    {
      const wchar_t *temp_src = *srcp;

      return wcsrtombs (NULL, &temp_src, (size_t)-1, ps);
    }
  else
# endif
    return wcsrtombs (dest, srcp, len, ps);
}

#else
/* Implement wcsrtombs on top of wcrtomb().  */

# include <errno.h>
# include <stdlib.h>
# include <string.h>

# include "wcsrtombs-impl.h"

#endif