2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright 2008 Sun Microsystems, Inc.
2N/A * All rights reserved. Use is subject to license terms.
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A#include "lint.h"
2N/A#include <string.h>
2N/A#include <sys/types.h>
2N/A
2N/A/*
2N/A * Returns the number of non-NULL bytes in string argument,
2N/A * but not more than maxlen. Does not look past str + maxlen.
2N/A */
2N/Asize_t
2N/Astrnlen(const char *str, size_t maxlen)
2N/A{
2N/A const char *ptr;
2N/A
2N/A ptr = memchr(str, 0, maxlen);
2N/A if (ptr == NULL)
2N/A return (maxlen);
2N/A
2N/A return (ptr - str);
2N/A}