strcat.c revision 7257d1b4d25bfac0c802847390e98a464fd787ac
6a67d144095c31bbafed93cec1619590157335eajvergara/*
6a67d144095c31bbafed93cec1619590157335eajvergara * CDDL HEADER START
6a67d144095c31bbafed93cec1619590157335eajvergara *
6a67d144095c31bbafed93cec1619590157335eajvergara * The contents of this file are subject to the terms of the
6a67d144095c31bbafed93cec1619590157335eajvergara * Common Development and Distribution License (the "License").
6a67d144095c31bbafed93cec1619590157335eajvergara * You may not use this file except in compliance with the License.
6a67d144095c31bbafed93cec1619590157335eajvergara *
6a67d144095c31bbafed93cec1619590157335eajvergara * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
6a67d144095c31bbafed93cec1619590157335eajvergara * or http://www.opensolaris.org/os/licensing.
6a67d144095c31bbafed93cec1619590157335eajvergara * See the License for the specific language governing permissions
6a67d144095c31bbafed93cec1619590157335eajvergara * and limitations under the License.
6a67d144095c31bbafed93cec1619590157335eajvergara *
6a67d144095c31bbafed93cec1619590157335eajvergara * When distributing Covered Code, include this CDDL HEADER in each
6a67d144095c31bbafed93cec1619590157335eajvergara * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
6a67d144095c31bbafed93cec1619590157335eajvergara * If applicable, add the following below this CDDL HEADER, with the
6a67d144095c31bbafed93cec1619590157335eajvergara * fields enclosed by brackets "[]" replaced with your own identifying
6a67d144095c31bbafed93cec1619590157335eajvergara * information: Portions Copyright [yyyy] [name of copyright owner]
6a67d144095c31bbafed93cec1619590157335eajvergara *
6a67d144095c31bbafed93cec1619590157335eajvergara * CDDL HEADER END
6a67d144095c31bbafed93cec1619590157335eajvergara */
6a67d144095c31bbafed93cec1619590157335eajvergara
6a67d144095c31bbafed93cec1619590157335eajvergara/*
6a67d144095c31bbafed93cec1619590157335eajvergara * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
6a67d144095c31bbafed93cec1619590157335eajvergara * Use is subject to license terms.
6a67d144095c31bbafed93cec1619590157335eajvergara */
6a67d144095c31bbafed93cec1619590157335eajvergara
6a67d144095c31bbafed93cec1619590157335eajvergara/* Copyright (c) 1988 AT&T */
6a67d144095c31bbafed93cec1619590157335eajvergara/* All Rights Reserved */
6a67d144095c31bbafed93cec1619590157335eajvergara
6a67d144095c31bbafed93cec1619590157335eajvergara#pragma ident "%Z%%M% %I% %E% SMI"
6a67d144095c31bbafed93cec1619590157335eajvergara
6a67d144095c31bbafed93cec1619590157335eajvergara#include "lint.h"
6a67d144095c31bbafed93cec1619590157335eajvergara#include <string.h>
6a67d144095c31bbafed93cec1619590157335eajvergara#include <sys/types.h>
6a67d144095c31bbafed93cec1619590157335eajvergara
6a67d144095c31bbafed93cec1619590157335eajvergara/*
6a67d144095c31bbafed93cec1619590157335eajvergara * Concatenate s2 on the end of s1. S1's space must be large enough.
6a67d144095c31bbafed93cec1619590157335eajvergara * Return s1.
6a67d144095c31bbafed93cec1619590157335eajvergara */
6a67d144095c31bbafed93cec1619590157335eajvergarachar *
6a67d144095c31bbafed93cec1619590157335eajvergarastrcat(char *s1, const char *s2)
6a67d144095c31bbafed93cec1619590157335eajvergara{
6a67d144095c31bbafed93cec1619590157335eajvergara char *os1 = s1;
6a67d144095c31bbafed93cec1619590157335eajvergara
6a67d144095c31bbafed93cec1619590157335eajvergara while (*s1++)
6a67d144095c31bbafed93cec1619590157335eajvergara ;
6a67d144095c31bbafed93cec1619590157335eajvergara --s1;
6a67d144095c31bbafed93cec1619590157335eajvergara while (*s1++ = *s2++)
6a67d144095c31bbafed93cec1619590157335eajvergara ;
6a67d144095c31bbafed93cec1619590157335eajvergara return (os1);
6a67d144095c31bbafed93cec1619590157335eajvergara}
6a67d144095c31bbafed93cec1619590157335eajvergara