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/* Find the length of STRING, but scan at most MAXLEN characters.
Copyright (C) 1996, 1997, 1998, 2000-2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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; either version 2, or (at your option)
any later version.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#if HAVE_CONFIG_H
# include <config.h>
#endif
#if HAVE_STRING_H
# if !STDC_HEADERS && HAVE_MEMORY_H
# include <memory.h>
# endif
/* Temporarily redefine strnlen so that an inconsistent prototype
(on at least AIX4.3.2.0 w/gcc-2.95.3) doesn't cause trouble. */
# define strnlen system_strnlen
# include <string.h>
# undef strnlen
#else
# include <strings.h>
#endif
#ifndef HAVE_DECL_MEMCHR
"this configure-time declaration test was not run"
#endif
#if !HAVE_DECL_MEMCHR
char *memchr ();
#endif
#undef __strnlen
#undef strnlen
#ifndef weak_alias
# define __strnlen strnlen
#endif
/* Find the length of STRING, but scan at most MAXLEN characters.
If no '\0' terminator is found in that many characters, return MAXLEN. */
size_t
__strnlen (const char *string, size_t maxlen)
{
const char *end = memchr (string, '\0', maxlen);
return end ? (size_t) (end - string) : maxlen;
}
#ifdef weak_alias
weak_alias (__strnlen, strnlen)
#endif
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