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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.
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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.
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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/toupper.c,v 1.13 2007/01/09 00:28:01 imp Exp $");
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35
36#include "xlocale_private.h"
9385eb3d 37
1f2f436a 38#include <ctype.h>
e9ce8d39 39#include <stdio.h>
3d9156a7 40#include <runetype.h>
e9ce8d39 41
9385eb3d 42__ct_rune_t
ad3c9f2a 43___toupper_l(c, loc)
9385eb3d 44 __ct_rune_t c;
ad3c9f2a 45 locale_t loc;
e9ce8d39 46{
3d9156a7 47 size_t lim;
ad3c9f2a 48 _RuneRange *rr;
3d9156a7 49 _RuneEntry *base, *re;
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50
51 if (c < 0 || c == EOF)
52 return(c);
53
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54 NORMALIZE_LOCALE(loc);
55 /*
56 * the following is not used by toupper(), but can be used by
57 * toupper_l(). This provides the oppurtunity to optimize toupper()
58 * when compatibility for Panther and lower is no longer needed
59 */
60 if (c < _CACHED_RUNES)
61 return loc->__lc_ctype->_CurrentRuneLocale.__mapupper[c];
62 rr = &loc->__lc_ctype->_CurrentRuneLocale.__mapupper_ext;
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63 /* Binary search -- see bsearch.c for explanation. */
64 base = rr->__ranges;
65 for (lim = rr->__nranges; lim != 0; lim >>= 1) {
66 re = base + (lim >> 1);
67 if (re->__min <= c && c <= re->__max)
68 return (re->__map + c - re->__min);
69 else if (c > re->__max) {
70 base = re + 1;
71 lim--;
72 }
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73 }
74
75 return(c);
e9ce8d39 76}
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77
78__ct_rune_t
79___toupper(c)
80 __ct_rune_t c;
81{
82 return ___toupper_l(c, __current_locale());
83}