1 /* $NetBSD: isctype.c,v 1.23 2013/04/16 11:29:13 joerg Exp $ */ 2 3 /*- 4 * Copyright (c)2008 Citrus Project, 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 #if defined(LIBC_SCCS) && !defined(lint) 31 __RCSID("$NetBSD: isctype.c,v 1.23 2013/04/16 11:29:13 joerg Exp $"); 32 #endif /* LIBC_SCCS and not lint */ 33 34 #include "namespace.h" 35 #include <sys/types.h> 36 #include <sys/ctype_bits.h> 37 #define _CTYPE_NOINLINE 38 #include <ctype.h> 39 #include <langinfo.h> 40 #define __SETLOCALE_SOURCE__ 41 #include <locale.h> 42 #include <stdio.h> 43 #if EOF != -1 44 #error "EOF != -1" 45 #endif 46 47 #include "setlocale_local.h" 48 49 #define _CTYPE_TAB(table, i) ((_current_cache()->table + 1)[i]) 50 51 #define _ISCTYPE_FUNC(name, bit) \ 52 int \ 53 is##name(int c) \ 54 { \ 55 return (int)(_CTYPE_TAB(ctype_tab, c) & (bit)); \ 56 } \ 57 int \ 58 is##name ## _l(int c, locale_t loc) \ 59 { \ 60 if (loc == NULL) \ 61 loc = _C_locale; \ 62 return (int)(((loc->cache->ctype_tab + 1)[c]) & (bit)); \ 63 } 64 65 _ISCTYPE_FUNC(alnum, (_CTYPE_A|_CTYPE_D)) 66 _ISCTYPE_FUNC(alpha, _CTYPE_A) 67 _ISCTYPE_FUNC(blank, _CTYPE_BL) 68 _ISCTYPE_FUNC(cntrl, _CTYPE_C ) 69 _ISCTYPE_FUNC(digit, _CTYPE_D) 70 _ISCTYPE_FUNC(graph, _CTYPE_G) 71 _ISCTYPE_FUNC(lower, _CTYPE_L ) 72 _ISCTYPE_FUNC(print, _CTYPE_R) 73 _ISCTYPE_FUNC(punct, _CTYPE_P ) 74 _ISCTYPE_FUNC(space, _CTYPE_S ) 75 _ISCTYPE_FUNC(upper, _CTYPE_U ) 76 _ISCTYPE_FUNC(xdigit, _CTYPE_X) 77 78 int 79 toupper(int c) 80 { 81 return (int)_CTYPE_TAB(toupper_tab, c); 82 } 83 84 int 85 toupper_l(int c, locale_t loc) 86 { 87 if (loc == NULL) 88 loc = _C_locale; 89 return (int)(((loc->cache->toupper_tab + 1)[c])); 90 } 91 92 int 93 tolower(int c) 94 { 95 return (int)_CTYPE_TAB(tolower_tab, c); 96 } 97 98 int 99 tolower_l(int c, locale_t loc) 100 { 101 if (loc == NULL) 102 loc = _C_locale; 103 return (int)(((loc->cache->tolower_tab + 1)[c])); 104 } 105 106 int 107 _toupper(int c) 108 { 109 return (c - 'a' + 'A'); 110 } 111 112 int 113 _tolower(int c) 114 { 115 return (c - 'A' + 'a'); 116 } 117