projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 5b2abdfb A |
1 | /*- |
| 2 | * Copyright (c) 1993 | |
| e9ce8d39 A |
3 | * The Regents of the University of California. All rights reserved. |
| 4 | * | |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 5b2abdfb | 6 | * Paul Borman at Krystal Technologies. |
| e9ce8d39 A |
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. | |
| e9ce8d39 A |
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 | ||
| 9385eb3d | 33 | #include <sys/cdefs.h> |
| 1f2f436a | 34 | __FBSDID("$FreeBSD: src/lib/libc/locale/runetype.c,v 1.14 2007/01/09 00:28:00 imp Exp $"); |
| 9385eb3d | 35 | |
| ad3c9f2a A |
36 | #include "xlocale_private.h" |
| 37 | ||
| 1f2f436a | 38 | #include <ctype.h> |
| e9ce8d39 | 39 | #include <stdio.h> |
| 3d9156a7 | 40 | #include <runetype.h> |
| e9ce8d39 | 41 | |
| 5b2abdfb | 42 | unsigned long |
| ad3c9f2a | 43 | ___runetype_l(__ct_rune_t c, locale_t loc) |
| e9ce8d39 | 44 | { |
| 3d9156a7 | 45 | size_t lim; |
| ad3c9f2a | 46 | _RuneRange *rr; |
| 3d9156a7 | 47 | _RuneEntry *base, *re; |
| 5b2abdfb A |
48 | |
| 49 | if (c < 0 || c == EOF) | |
| 50 | return(0L); | |
| 51 | ||
| ad3c9f2a A |
52 | NORMALIZE_LOCALE(loc); |
| 53 | rr = &loc->__lc_ctype->_CurrentRuneLocale.__runetype_ext; | |
| 3d9156a7 A |
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]); | |
| 5b2abdfb | 61 | else |
| 3d9156a7 A |
62 | return(re->__map); |
| 63 | } else if (c > re->__max) { | |
| 64 | base = re + 1; | |
| 65 | lim--; | |
| 5b2abdfb A |
66 | } |
| 67 | } | |
| 68 | ||
| 69 | return(0L); | |
| e9ce8d39 | 70 | } |
| ad3c9f2a A |
71 | |
| 72 | unsigned long | |
| 73 | ___runetype(__ct_rune_t c) | |
| 74 | { | |
| 75 | return ___runetype_l(c, __current_locale()); | |
| 76 | } |