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 * Copyright (c) 2011 The FreeBSD Foundation
9 * All rights reserved.
10 * Portions of this software were developed by David Chisnall
11 * under sponsorship from the FreeBSD Foundation.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * $FreeBSD: head/lib/libc/locale/runetype.c 227753 2011-11-20 14:45:42Z theraven $
38 */
39
40
41 #include <ctype.h>
42 #include <stdio.h>
43 #include <runetype.h>
44 #include <wchar.h>
45 #include "mblocal.h"
46
47 unsigned long
___runetype_l(__ct_rune_t c,locale_t locale)48 ___runetype_l(__ct_rune_t c, locale_t locale)
49 {
50 size_t lim;
51 FIX_LOCALE(locale);
52 _RuneRange *rr = &(XLOCALE_CTYPE(locale)->runes->__runetype_ext);
53 _RuneEntry *base, *re;
54
55 if (c < 0 || c == EOF)
56 return(0L);
57
58 /* Binary search -- see bsearch.c for explanation. */
59 base = rr->__ranges;
60 for (lim = rr->__nranges; lim != 0; lim >>= 1) {
61 re = base + (lim >> 1);
62 if (re->__min <= c && c <= re->__max) {
63 if (re->__types)
64 return(re->__types[c - re->__min]);
65 else
66 return(re->__map);
67 } else if (c > re->__max) {
68 base = re + 1;
69 lim--;
70 }
71 }
72
73 return(0L);
74 }
75 unsigned long
___runetype(__ct_rune_t c)76 ___runetype(__ct_rune_t c)
77 {
78 return ___runetype_l(c, __get_locale());
79 }
80
___mb_cur_max(void)81 int ___mb_cur_max(void)
82 {
83 return XLOCALE_CTYPE(__get_locale())->__mb_cur_max;
84 }
___mb_cur_max_l(locale_t locale)85 int ___mb_cur_max_l(locale_t locale)
86 {
87 FIX_LOCALE(locale);
88 return XLOCALE_CTYPE(locale)->__mb_cur_max;
89 }
90