1/* Copyright (C) 2004 Free Software Foundation, Inc.
2
3   This program is free software; you can redistribute it and/or modify it
4   under the terms of the GNU General Public License as published by the
5   Free Software Foundation; either version 2, or (at your option) any
6   later version.
7
8   This program is distributed in the hope that it will be useful,
9   but WITHOUT ANY WARRANTY; without even the implied warranty of
10   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11   GNU General Public License for more details.
12
13   You should have received a copy of the GNU General Public License
14   along with this program; if not, write to the Free Software Foundation,
15   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
16
17#ifdef HAVE_CONFIG_H
18# include <config.h>
19#endif
20
21#if !defined (HAVE_STRNLEN)
22
23#include <sys/types.h>
24
25#if defined (HAVE_UNISTD_H)
26#  include <unistd.h>
27#endif
28
29#include <stdc.h>
30
31/* Find the length of S, but scan at most MAXLEN characters.  If no '\0'
32   terminator is found within the first MAXLEN characters, return MAXLEN. */
33size_t
34strnlen (s, maxlen)
35     register const char *s;
36     size_t maxlen;
37{
38  register const char *e;
39  size_t n;
40
41  for (e = s, n = 0; *e && n < maxlen; e++, n++)
42    ;
43  return n;
44}
45#endif
46