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1/*-
2 * Copyright (c) 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Paul Borman at Krystal Technologies.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD: src/lib/libc/locale/runetype.c,v 1.14 2007/01/09 00:28:00 imp Exp $");
35
36#include "xlocale_private.h"
37
38#include <ctype.h>
39#include <stdio.h>
40#include <runetype.h>
41
42unsigned long
43___runetype_l(__ct_rune_t c, locale_t loc)
44{
45 size_t lim;
46 _RuneRange *rr;
47 _RuneEntry *base, *re;
48
49 if (c < 0 || c == EOF)
50 return(0L);
51
52 NORMALIZE_LOCALE(loc);
53 rr = &loc->__lc_ctype->_CurrentRuneLocale.__runetype_ext;
54 /* Binary search -- see bsearch.c for explanation. */
55 base = rr->__ranges;
56 for (lim = rr->__nranges; lim != 0; lim >>= 1) {
57 re = base + (lim >> 1);
58 if (re->__min <= c && c <= re->__max) {
59 if (re->__types)
60 return(re->__types[c - re->__min]);
61 else
62 return(re->__map);
63 } else if (c > re->__max) {
64 base = re + 1;
65 lim--;
66 }
67 }
68
69 return(0L);
70}
71
72unsigned long
73___runetype(__ct_rune_t c)
74{
75 return ___runetype_l(c, __current_locale());
76}