1 /* Find the length of STRING, but scan at most MAXLEN characters.
2 Copyright (C) 1996, 1997, 1998, 2000-2003 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
30 # define strnlen rpl_strnlen
34 # define __strnlen strnlen
37 /* Find the length of STRING, but scan at most MAXLEN characters.
38 If no '\0' terminator is found in that many characters, return MAXLEN. */
41 __strnlen (const char *string, size_t maxlen)
43 const char *end = memchr (string, '\0', maxlen);
44 return end ? (size_t) (end - string) : maxlen;
47 weak_alias (__strnlen, strnlen)