1/*
2 * Copyright (C) 1996 by Andrey A. Chernov, Moscow, Russia.
3 * All rights reserved.
4 *
5 * Copyright (c) 2011 The FreeBSD Foundation
6 * All rights reserved.
7 * Portions of this software were developed by David Chisnall
8 * under sponsorship from the FreeBSD Foundation.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD: releng/11.0/lib/libc/locale/collcmp.c 301461 2016-06-05 19:12:52Z pfg $");
34
35#include <string.h>
36#include <wchar.h>
37#include <xlocale.h>
38#include "collate.h"
39
40/*
41 * Compare two characters using collate
42 */
43
44int __collate_range_cmp(struct xlocale_collate *table, char c1, char c2)
45{
46	char s1[2], s2[2];
47
48	s1[0] = c1;
49	s1[1] = '\0';
50	s2[0] = c2;
51	s2[1] = '\0';
52	struct _xlocale l = {{0}};
53	l.components[XLC_COLLATE] = (struct xlocale_component *)table;
54	return (strcoll_l(s1, s2, &l));
55}
56
57int __wcollate_range_cmp(struct xlocale_collate *table, wchar_t c1, wchar_t c2)
58{
59	wchar_t s1[2], s2[2];
60
61	s1[0] = c1;
62	s1[1] = L'\0';
63	s2[0] = c2;
64	s2[1] = L'\0';
65	struct _xlocale l = {{0}};
66	l.components[XLC_COLLATE] = (struct xlocale_component *)table;
67	return (wcscoll_l(s1, s2, &l));
68}
69