xref: /illumos-gate/usr/src/boot/lib/libc/string/strcat.c (revision 199767f8)
1*199767f8SToomas Soome /*
2*199767f8SToomas Soome  * Copyright (c) 1988, 1993
3*199767f8SToomas Soome  *	The Regents of the University of California.  All rights reserved.
4*199767f8SToomas Soome  *
5*199767f8SToomas Soome  * Redistribution and use in source and binary forms, with or without
6*199767f8SToomas Soome  * modification, are permitted provided that the following conditions
7*199767f8SToomas Soome  * are met:
8*199767f8SToomas Soome  * 1. Redistributions of source code must retain the above copyright
9*199767f8SToomas Soome  *    notice, this list of conditions and the following disclaimer.
10*199767f8SToomas Soome  * 2. Redistributions in binary form must reproduce the above copyright
11*199767f8SToomas Soome  *    notice, this list of conditions and the following disclaimer in the
12*199767f8SToomas Soome  *    documentation and/or other materials provided with the distribution.
13*199767f8SToomas Soome  * 3. Neither the name of the University nor the names of its contributors
14*199767f8SToomas Soome  *    may be used to endorse or promote products derived from this software
15*199767f8SToomas Soome  *    without specific prior written permission.
16*199767f8SToomas Soome  *
17*199767f8SToomas Soome  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18*199767f8SToomas Soome  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19*199767f8SToomas Soome  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20*199767f8SToomas Soome  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21*199767f8SToomas Soome  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22*199767f8SToomas Soome  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23*199767f8SToomas Soome  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24*199767f8SToomas Soome  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25*199767f8SToomas Soome  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26*199767f8SToomas Soome  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27*199767f8SToomas Soome  * SUCH DAMAGE.
28*199767f8SToomas Soome  */
29*199767f8SToomas Soome 
30*199767f8SToomas Soome #if defined(LIBC_SCCS) && !defined(lint)
31*199767f8SToomas Soome static char sccsid[] = "@(#)strcat.c	8.1 (Berkeley) 6/4/93";
32*199767f8SToomas Soome #endif /* LIBC_SCCS and not lint */
33*199767f8SToomas Soome #include <sys/cdefs.h>
34*199767f8SToomas Soome __FBSDID("$FreeBSD$");
35*199767f8SToomas Soome 
36*199767f8SToomas Soome #include <string.h>
37*199767f8SToomas Soome 
38*199767f8SToomas Soome char *
strcat(char * __restrict s,const char * __restrict append)39*199767f8SToomas Soome strcat(char * __restrict s, const char * __restrict append)
40*199767f8SToomas Soome {
41*199767f8SToomas Soome 	char *save = s;
42*199767f8SToomas Soome 
43*199767f8SToomas Soome 	for (; *s; ++s);
44*199767f8SToomas Soome 	while ((*s++ = *append++));
45*199767f8SToomas Soome 	return(save);
46*199767f8SToomas Soome }
47