xref: /minix3/crypto/external/bsd/heimdal/dist/lib/wind/combining.c (revision ebfedea0ce5bbe81e252ddf32d732e40fb633fae)
1*ebfedea0SLionel Sambuc /*	$NetBSD: combining.c,v 1.1.1.1 2011/04/13 18:15:45 elric Exp $	*/
2*ebfedea0SLionel Sambuc 
3*ebfedea0SLionel Sambuc /*
4*ebfedea0SLionel Sambuc  * Copyright (c) 2008 Kungliga Tekniska Högskolan
5*ebfedea0SLionel Sambuc  * (Royal Institute of Technology, Stockholm, Sweden).
6*ebfedea0SLionel Sambuc  * All rights reserved.
7*ebfedea0SLionel Sambuc  *
8*ebfedea0SLionel Sambuc  * Redistribution and use in source and binary forms, with or without
9*ebfedea0SLionel Sambuc  * modification, are permitted provided that the following conditions
10*ebfedea0SLionel Sambuc  * are met:
11*ebfedea0SLionel Sambuc  *
12*ebfedea0SLionel Sambuc  * 1. Redistributions of source code must retain the above copyright
13*ebfedea0SLionel Sambuc  *    notice, this list of conditions and the following disclaimer.
14*ebfedea0SLionel Sambuc  *
15*ebfedea0SLionel Sambuc  * 2. Redistributions in binary form must reproduce the above copyright
16*ebfedea0SLionel Sambuc  *    notice, this list of conditions and the following disclaimer in the
17*ebfedea0SLionel Sambuc  *    documentation and/or other materials provided with the distribution.
18*ebfedea0SLionel Sambuc  *
19*ebfedea0SLionel Sambuc  * 3. Neither the name of the Institute nor the names of its contributors
20*ebfedea0SLionel Sambuc  *    may be used to endorse or promote products derived from this software
21*ebfedea0SLionel Sambuc  *    without specific prior written permission.
22*ebfedea0SLionel Sambuc  *
23*ebfedea0SLionel Sambuc  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24*ebfedea0SLionel Sambuc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25*ebfedea0SLionel Sambuc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26*ebfedea0SLionel Sambuc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27*ebfedea0SLionel Sambuc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28*ebfedea0SLionel Sambuc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29*ebfedea0SLionel Sambuc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30*ebfedea0SLionel Sambuc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31*ebfedea0SLionel Sambuc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32*ebfedea0SLionel Sambuc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33*ebfedea0SLionel Sambuc  * SUCH DAMAGE.
34*ebfedea0SLionel Sambuc  */
35*ebfedea0SLionel Sambuc 
36*ebfedea0SLionel Sambuc #include "windlocl.h"
37*ebfedea0SLionel Sambuc 
38*ebfedea0SLionel Sambuc #include <stdlib.h>
39*ebfedea0SLionel Sambuc 
40*ebfedea0SLionel Sambuc #include "combining_table.h"
41*ebfedea0SLionel Sambuc 
42*ebfedea0SLionel Sambuc static int
translation_cmp(const void * key,const void * data)43*ebfedea0SLionel Sambuc translation_cmp(const void *key, const void *data)
44*ebfedea0SLionel Sambuc {
45*ebfedea0SLionel Sambuc     const struct translation *t1 = (const struct translation *)key;
46*ebfedea0SLionel Sambuc     const struct translation *t2 = (const struct translation *)data;
47*ebfedea0SLionel Sambuc 
48*ebfedea0SLionel Sambuc     return t1->key - t2->key;
49*ebfedea0SLionel Sambuc }
50*ebfedea0SLionel Sambuc 
51*ebfedea0SLionel Sambuc int
_wind_combining_class(uint32_t code_point)52*ebfedea0SLionel Sambuc _wind_combining_class(uint32_t code_point)
53*ebfedea0SLionel Sambuc {
54*ebfedea0SLionel Sambuc     struct translation ts = {code_point};
55*ebfedea0SLionel Sambuc     void *s = bsearch(&ts, _wind_combining_table, _wind_combining_table_size,
56*ebfedea0SLionel Sambuc 		      sizeof(_wind_combining_table[0]),
57*ebfedea0SLionel Sambuc 		      translation_cmp);
58*ebfedea0SLionel Sambuc     if (s != NULL) {
59*ebfedea0SLionel Sambuc 	const struct translation *t = (const struct translation *)s;
60*ebfedea0SLionel Sambuc 	return t->combining_class;
61*ebfedea0SLionel Sambuc     } else {
62*ebfedea0SLionel Sambuc 	return 0;
63*ebfedea0SLionel Sambuc     }
64*ebfedea0SLionel Sambuc }
65