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/* Copyright (c) 2000, 2001, 2006, 2007 MySQL AB
Use is subject to license terms.
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; version 2 of the License.
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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* File : strnlen.c
Author : Michael Widenius
Updated: 20 April 1984
Defines: strnlen.
strnlen(s, len) returns the length of s or len if s is longer than len.
*/
#include <my_global.h>
#include "m_string.h"
#ifndef HAVE_STRNLEN
size_t strnlen(register const char *s, register size_t maxlen)
{
const char *end= (const char *)memchr(s, '\0', maxlen);
return end ? (size_t) (end - s) : maxlen;
}
#endif
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