1 /* $NetBSD: wcsxfrm.c,v 1.2 2006/10/15 16:14:08 christos Exp $ */
2
3 /*-
4 * Copyright (c)2003 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 #include <LibConfig.h>
29 #include <sys/EfiCdefs.h>
30 #if defined(LIBC_SCCS) && !defined(lint)
31 __RCSID("$NetBSD: wcsxfrm.c,v 1.2 2006/10/15 16:14:08 christos Exp $");
32 #endif /* LIBC_SCCS and not lint */
33
34 #include "namespace.h"
35
36 #include <assert.h>
37 #include <wchar.h>
38
39 /*
40 * Compare strings with using collating information.
41 */
42 size_t
wcsxfrm(wchar_t * s1,const wchar_t * s2,size_t n)43 wcsxfrm(
44 wchar_t *s1,
45 const wchar_t *s2,
46 size_t n
47 )
48 {
49 size_t len;
50
51 /* XXX: LC_COLLATE should be implemented. */
52
53 len = wcslen(s2);
54 if (len<n)
55 wcscpy(s1, s2);
56 else {
57 /*
58 * SUSv3 says:
59 * If the value returned is n or more, the contents
60 * of the array pointed to by ws1 are unspecified.
61 */
62 /* thus, do nothing */
63 }
64
65 return (len);
66 }
67