2 * Copyright (c) 2004 Tim J. Robbins.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
35 nextwctype(wint_t wc, wctype_t wct)
38 _RuneRange *rr = &_CurrentRuneLocale->__runetype_ext;
39 _RuneEntry *base, *re;
43 if (wc < _CACHED_RUNES) {
45 while (wc < _CACHED_RUNES) {
46 if (_CurrentRuneLocale->__runetype[wc] & wct)
52 if (rr->__ranges != NULL && wc < rr->__ranges[0].__min) {
53 wc = rr->__ranges[0].__min;
57 /* Binary search -- see bsearch.c for explanation. */
59 for (lim = rr->__nranges; lim != 0; lim >>= 1) {
60 re = base + (lim >> 1);
61 if (re->__min <= wc && wc <= re->__max)
63 else if (wc > re->__max) {
72 if (re->__min <= wc && wc <= re->__max) {
73 if (re->__types != NULL) {
74 for (; wc <= re->__max; wc++)
75 if (re->__types[wc - re->__min] & wct)
77 } else if (re->__map & wct)
80 while (++re < rr->__ranges + rr->__nranges) {
82 if (re->__types != NULL) {
83 for (; wc <= re->__max; wc++)
84 if (re->__types[wc - re->__min] & wct)
86 } else if (re->__map & wct)