2N/A/* Find the length of STRING + 1, but scan at most MAXLEN bytes.
2N/A Copyright (C) 2005-2006, 2009-2010 Free Software Foundation, Inc.
2N/A
2N/A This program is free software: you can redistribute it and/or modify
2N/A it under the terms of the GNU General Public License as published by
2N/A the Free Software Foundation; either version 3 of the License, or
2N/A (at your option) any later version.
2N/A
2N/A This program is distributed in the hope that it will be useful,
2N/A but WITHOUT ANY WARRANTY; without even the implied warranty of
2N/A MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2N/A GNU General Public License for more details.
2N/A
2N/A You should have received a copy of the GNU General Public License
2N/A along with this program. If not, see <http://www.gnu.org/licenses/>. */
2N/A
2N/A#include <config.h>
2N/A
2N/A/* Specification. */
2N/A#include "strnlen1.h"
2N/A
2N/A#include <string.h>
2N/A
2N/A/* Find the length of STRING + 1, but scan at most MAXLEN bytes.
2N/A If no '\0' terminator is found in that many characters, return MAXLEN. */
2N/A/* This is the same as strnlen (string, maxlen - 1) + 1. */
2N/Asize_t
2N/Astrnlen1 (const char *string, size_t maxlen)
2N/A{
2N/A const char *end = (const char *) memchr (string, '\0', maxlen);
2N/A if (end != NULL)
2N/A return end - string + 1;
2N/A else
2N/A return maxlen;
2N/A}