23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner/*
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * CDDL HEADER START
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner *
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * The contents of this file are subject to the terms of the
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * Common Development and Distribution License (the "License").
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * You may not use this file except in compliance with the License.
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner *
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * or http://www.opensolaris.org/os/licensing.
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * See the License for the specific language governing permissions
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * and limitations under the License.
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner *
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * When distributing Covered Code, include this CDDL HEADER in each
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * If applicable, add the following below this CDDL HEADER, with the
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * fields enclosed by brackets "[]" replaced with your own identifying
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * information: Portions Copyright [yyyy] [name of copyright owner]
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner *
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * CDDL HEADER END
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner */
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner/*
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner */
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner#include "lint.h"
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner#include <string.h>
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner#include <stdlib.h>
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner#include <sys/types.h>
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner/*
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * Create a copy of string s, but only duplicate the first n bytes.
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * Return NULL if the new string can't be allocated.
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner */
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulknerchar *
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulknerstrndup(const char *s1, size_t n)
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner{
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner char *s2;
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner n = strnlen(s1, n);
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner if ((s2 = malloc(n + 1)) != NULL)
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner (void) strlcpy(s2, s1, n + 1);
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner return (s2);
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner}