strcat.c revision 110605
11541Srgrimes/*
21541Srgrimes * Copyright (c) 1988, 1993
31541Srgrimes *	The Regents of the University of California.  All rights reserved.
41541Srgrimes *
51541Srgrimes * Redistribution and use in source and binary forms, with or without
61541Srgrimes * modification, are permitted provided that the following conditions
71541Srgrimes * are met:
81541Srgrimes * 1. Redistributions of source code must retain the above copyright
91541Srgrimes *    notice, this list of conditions and the following disclaimer.
101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright
111541Srgrimes *    notice, this list of conditions and the following disclaimer in the
121541Srgrimes *    documentation and/or other materials provided with the distribution.
131541Srgrimes * 3. All advertising materials mentioning features or use of this software
141541Srgrimes *    must display the following acknowledgement:
151541Srgrimes *	This product includes software developed by the University of
161541Srgrimes *	California, Berkeley and its contributors.
171541Srgrimes * 4. Neither the name of the University nor the names of its contributors
181541Srgrimes *    may be used to endorse or promote products derived from this software
191541Srgrimes *    without specific prior written permission.
201541Srgrimes *
211541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
221541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
231541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
241541Srgrimes * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
251541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
261541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
271541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
281541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
291541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
301541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
311541Srgrimes * SUCH DAMAGE.
321817Sdg *
3350477Speter * $FreeBSD: head/sys/libkern/strcat.c 110605 2003-02-10 00:36:27Z hsu $
341541Srgrimes */
351541Srgrimes
36102281Sjhb#include <sys/libkern.h>
371541Srgrimes
381541Srgrimeschar *
39110605Shsustrcat(char * __restrict s, const char * __restrict append)
401541Srgrimes{
411541Srgrimes	char *save = s;
421541Srgrimes
431541Srgrimes	for (; *s; ++s);
4443315Sdillon	while ((*s++ = *append++) != 0);
451541Srgrimes	return(save);
461541Srgrimes}
47