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-rw-r--r--src/lib/libc/string/wcscmp.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/lib/libc/string/wcscmp.c b/src/lib/libc/string/wcscmp.c
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1/* $OpenBSD: wcscmp.c,v 1.1 2005/04/13 16:35:58 espie Exp $ */
2/* $NetBSD: wcscmp.c,v 1.5 2003/08/07 16:43:54 agc Exp $ */
3
4/*-
5 * Copyright (c) 1990, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Chris Torek.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#if defined(LIBC_SCCS) && !defined(lint)
37static char *rcsid = "$OpenBSD: wcscmp.c,v 1.1 2005/04/13 16:35:58 espie Exp $";
38#endif /* LIBC_SCCS and not lint */
39
40#include <wchar.h>
41#include "locale/runetype.h"
42
43/*
44 * Compare strings.
45 */
46int
47wcscmp(s1, s2)
48 const wchar_t *s1, *s2;
49{
50
51 while (*s1 == *s2++)
52 if (*s1++ == 0)
53 return (0);
54 /* XXX assumes wchar_t = int */
55 return (*(const __nbrune_t *)s1 - *(const __nbrune_t *)--s2);
56}