2 * Copyright (c) 2004 Tim J. Robbins.
5 * Copyright (c) 2011 The FreeBSD Foundation
7 * Portions of this software were developed by David Chisnall
8 * under sponsorship from the FreeBSD Foundation.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 AUTHOR 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
31 * $FreeBSD: head/lib/libc/locale/nextwctype.c 227753 2011-11-20 14:45:42Z theraven $
41 nextwctype_l(wint_t wc, wctype_t wct, locale_t locale)
45 _RuneLocale *runes = XLOCALE_CTYPE(locale)->runes;
46 _RuneRange *rr = &runes->__runetype_ext;
47 _RuneEntry *base, *re;
51 if (wc < _CACHED_RUNES) {
53 while (wc < _CACHED_RUNES) {
54 if (runes->__runetype[wc] & wct)
60 if (rr->__ranges != NULL && wc < rr->__ranges[0].__min) {
61 wc = rr->__ranges[0].__min;
65 /* Binary search -- see bsearch.c for explanation. */
67 for (lim = rr->__nranges; lim != 0; lim >>= 1) {
68 re = base + (lim >> 1);
69 if (re->__min <= wc && wc <= re->__max)
71 else if (wc > re->__max) {
80 if (re->__min <= wc && wc <= re->__max) {
81 if (re->__types != NULL) {
82 for (; wc <= re->__max; wc++)
83 if (re->__types[wc - re->__min] & wct)
85 } else if (re->__map & wct)
88 while (++re < rr->__ranges + rr->__nranges) {
90 if (re->__types != NULL) {
91 for (; wc <= re->__max; wc++)
92 if (re->__types[wc - re->__min] & wct)
94 } else if (re->__map & wct)
100 nextwctype(wint_t wc, wctype_t wct)
102 return nextwctype_l(wc, wct, __get_locale());