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 (c) 2010, Oracle and/or its affiliates. All rights reserved.
2N/A */
2N/A
2N/A/*
2N/A * Returns the number of non-NULL characters in str,
2N/A * but not more than maxlen. Does not look past str + maxlen.
2N/A */
2N/A
2N/A#include "lint.h"
2N/A#include <stdlib.h>
2N/A#include <wchar.h>
2N/A
2N/Asize_t
2N/Awcsnlen(const wchar_t *str, size_t maxlen)
2N/A{
2N/A const wchar_t *ptr = str;
2N/A
2N/A if (maxlen != 0) {
2N/A do {
2N/A if (*ptr++ == L'\0') {
2N/A ptr--;
2N/A break;
2N/A }
2N/A } while (--maxlen != 0);
2N/A }
2N/A
2N/A return (ptr - str);
2N/A}