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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
25 # if !STDC_HEADERS && HAVE_MEMORY_H
33 #ifndef HAVE_DECL_MEMCHR
34 "this configure-time declaration test was not run"
44 # define strnlen rpl_strnlen
48 # define __strnlen strnlen
51 /* Find the length of STRING, but scan at most MAXLEN characters.
52 If no '\0' terminator is found in that many characters, return MAXLEN. */
55 __strnlen (const char *string
, size_t maxlen
)
57 const char *end
= memchr (string
, '\0', maxlen
);
58 return end
? (size_t) (end
- string
) : maxlen
;
61 weak_alias (__strnlen
, strnlen
)