wcscat.c revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c)1999 Citrus Project,
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 *	citrus Id: wcscat.c,v 1.1 1999/12/29 21:47:45 tshiozak Exp
29 */
30
31#include <sys/cdefs.h>
32#if 0
33#if defined(LIBC_SCCS) && !defined(lint)
34__RCSID("$NetBSD: wcscat.c,v 1.1 2000/12/23 23:14:36 itojun Exp $");
35#endif /* LIBC_SCCS and not lint */
36#endif
37__FBSDID("$FreeBSD: stable/11/lib/libc/string/wcscat.c 330897 2018-03-14 03:19:51Z eadler $");
38
39#include <wchar.h>
40
41wchar_t *
42wcscat(wchar_t * __restrict s1, const wchar_t * __restrict s2)
43{
44	wchar_t *cp;
45
46	cp = s1;
47	while (*cp != L'\0')
48		cp++;
49	while ((*cp++ = *s2++) != L'\0')
50		;
51
52	return (s1);
53}
54