/* Find the length of STRING, but scan at most MAXLEN characters. Copyright (C) 1996, 1997, 1998, 2000-2003 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 #endif #undef strnlen #include #undef __strnlen #undef strnlen #ifndef _LIBC # define strnlen rpl_strnlen #endif #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