| | 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/toupper.c,v 1.13 2007/01/09 00:28:01 imp Exp $"); |
| | 35 | |
| | 36 | #include "xlocale_private.h" |
| | 37 | |
| | 38 | #include <ctype.h> |
| | 39 | #include <stdio.h> |
| | 40 | #include <runetype.h> |
| | 41 | |
| | 42 | __ct_rune_t |
| | 43 | ___toupper_l(c, loc) |
| | 44 | __ct_rune_t c; |
| | 45 | locale_t loc; |
| | 46 | { |
| | 47 | size_t lim; |
| | 48 | _RuneRange *rr; |
| | 49 | _RuneEntry *base, *re; |
| | 50 | |
| | 51 | if (c < 0 || c == EOF) |
| | 52 | return(c); |
| | 53 | |
| | 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; |
| | 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 | } |
| | 73 | } |
| | 74 | |
| | 75 | return(c); |
| | 76 | } |
| | 77 | |
| | 78 | __ct_rune_t |
| | 79 | ___toupper(c) |
| | 80 | __ct_rune_t c; |
| | 81 | { |
| | 82 | return ___toupper_l(c, __current_locale()); |
| | 83 | } |
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