/* Counting the multibyte characters in a string.

   Copyright (C) 2007 Free Software Foundation, Inc.

   Written by Bruno Haible <bruno@clisp.org>, 2007.

   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 2, 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, write to the Free Software Foundation,

   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

#include <config.h>

/* Specification.  */

#include <string.h>

#include <stdlib.h>

#if HAVE_MBRTOWC

# include "mbuiter.h"

#endif

/* Return the number of multibyte characters in the character string STRING.  */

size_t

mbslen (const char *string)

{

#if HAVE_MBRTOWC

  if (MB_CUR_MAX > 1)

    {

      size_t count;

      mbui_iterator_t iter;

      count = 0;

      for (mbui_init (iter, string); mbui_avail (iter); mbui_advance (iter))

	count++;

      return count;

    }

  else

#endif

    return strlen (string);

}