view lib/mbslen.c @ 40086:d6de7c427079

stdopen: modernize and simplify * lib/stdopen.c: Update copyright date Do not include sys/types.h; no longer needed these days. (stdopen): Use C99-style decl in loop. Return int errno value, rather than just a bool. Do not worry about fd mismatches, since the caller cares only if 0, 1, 2 are occupied. * lib/stdopen.h: No need to include <stdbool.h>. * m4/stdopen.m4: Remove. * modules/stdopen: New file.
author Paul Eggert <eggert@cs.ucla.edu>
date Sat, 05 Jan 2019 18:02:32 -0800
parents b06060465f09
children
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/* Counting the multibyte characters in a string.
   Copyright (C) 2007-2019 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 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 <https://www.gnu.org/licenses/>.  */

#include <config.h>

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

#include <stdlib.h>

#include "mbuiter.h"

/* Return the number of multibyte characters in the character string STRING.  */
size_t
mbslen (const char *string)
{
  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
    return strlen (string);
}