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/* Counting the multibyte characters in a string.
Copyright (C) 2007-2018 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 either:
* 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.
or
* the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version.
or both in parallel, as here.
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 "mbiter.h"
/* Return the number of multibyte characters in the character string starting
at STRING and ending at STRING + LEN. */
size_t
mbsnlen (const char *string, size_t len)
{
if (MB_CUR_MAX > 1)
{
size_t count;
mbi_iterator_t iter;
count = 0;
for (mbi_init (iter, string, len); mbi_avail (iter); mbi_advance (iter))
count++;
return count;
}
else
return len;
}
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