wine/libs/port/strnlen.c
Alexandre Julliard 9d36aad457 libport: Add a replacement implementation for strnlen.
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2017-12-15 11:00:36 +01:00

31 lines
1 KiB
C

/*
* strnlen function
*
* Copyright 2017 Alexandre Julliard
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#ifndef HAVE_STRNLEN
size_t strnlen( const char *str, size_t maxlen )
{
const char *ptr = memchr( str, 0, maxlen );
if (!ptr) return maxlen;
return ptr - str;
}
#endif /* HAVE_STRNLEN */