rm_/lib/mbslen.c
2022-07-28 14:16:50 +08:00

45 lines
1.3 KiB
C

/* Counting the multibyte characters in a string.
Copyright (C) 2007-2022 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2007.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This file 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser 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);
}