1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Paul Borman at Krystal Technologies.
9 *
10 * Copyright (c) 2011 The FreeBSD Foundation
11 *
12 * Portions of this software were developed by David Chisnall
13 * under sponsorship from the FreeBSD Foundation.
14 *
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions
17 * are met:
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in the
22 * documentation and/or other materials provided with the distribution.
23 * 3. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 */
39
40 #include <ctype.h>
41 #include <stdio.h>
42 #include <runetype.h>
43 #include <wchar.h>
44 #include "mblocal.h"
45
46 unsigned long
___runetype_l(__ct_rune_t c,locale_t locale)47 ___runetype_l(__ct_rune_t c, locale_t locale)
48 {
49 size_t lim;
50 FIX_LOCALE(locale);
51 _RuneRange *rr = &(XLOCALE_CTYPE(locale)->runes->__runetype_ext);
52 _RuneEntry *base, *re;
53
54 if (c < 0 || c == EOF)
55 return(0L);
56
57 /* Binary search -- see bsearch.c for explanation. */
58 base = rr->__ranges;
59 for (lim = rr->__nranges; lim != 0; lim >>= 1) {
60 re = base + (lim >> 1);
61 if (re->__min <= c && c <= re->__max) {
62 if (re->__types)
63 return(re->__types[c - re->__min]);
64 else
65 return(re->__map);
66 } else if (c > re->__max) {
67 base = re + 1;
68 lim--;
69 }
70 }
71
72 return(0L);
73 }
74 unsigned long
___runetype(__ct_rune_t c)75 ___runetype(__ct_rune_t c)
76 {
77 return ___runetype_l(c, __get_locale());
78 }
79
___mb_cur_max(void)80 int ___mb_cur_max(void)
81 {
82 return XLOCALE_CTYPE(__get_locale())->__mb_cur_max;
83 }
___mb_cur_max_l(locale_t locale)84 int ___mb_cur_max_l(locale_t locale)
85 {
86 FIX_LOCALE(locale);
87 return XLOCALE_CTYPE(locale)->__mb_cur_max;
88 }
89