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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 | ||
42 | unsigned 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 | ||
72 | unsigned long | |
73 | ___runetype(__ct_rune_t c) | |
74 | { | |
75 | return ___runetype_l(c, __current_locale()); | |
76 | } |