1 /* $NetBSD: isctype.c,v 1.17 2009/01/02 00:20:19 tnozaki 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 1.17 2009/01/02 00:20:19 tnozaki Exp $"); 32 #endif /* LIBC_SCCS and not lint */ 33 34 #include "namespace.h" 35 #include <sys/types.h> 36 #include <ctype.h> 37 #include <langinfo.h> 38 #define __SETLOCALE_SOURCE__ 39 #include <locale.h> 40 #include <stdio.h> 41 #if EOF != -1 42 #error "EOF != -1" 43 #endif 44 45 #include "setlocale_local.h" 46 47 #define _CTYPE_TAB(table, i) \ 48 (((*_current_locale())->cache.table + 1)[i]) 49 50 #undef isalnum 51 #undef isalpha 52 #undef iscntrl 53 #undef isdigit 54 #undef isgraph 55 #undef islower 56 #undef isprint 57 #undef ispunct 58 #undef isspace 59 #undef isupper 60 #undef isxdigit 61 62 #define _ISCTYPE_FUNC(name, bit) \ 63 int \ 64 is##name(int c) \ 65 { \ 66 return (int)(_CTYPE_TAB(ctype_tab, c) & (bit)); \ 67 } 68 69 _ISCTYPE_FUNC(alnum, _U|_L|_N ) 70 _ISCTYPE_FUNC(alpha, _U|_L ) 71 _ISCTYPE_FUNC(cntrl, _C ) 72 _ISCTYPE_FUNC(digit, _N ) 73 _ISCTYPE_FUNC(graph, _P|_U|_L|_N ) 74 _ISCTYPE_FUNC(lower, _L ) 75 _ISCTYPE_FUNC(print, _P|_U|_L|_N|_B) 76 _ISCTYPE_FUNC(punct, _P ) 77 _ISCTYPE_FUNC(space, _S ) 78 _ISCTYPE_FUNC(upper, _U ) 79 _ISCTYPE_FUNC(xdigit, _N|_X ) 80 81 #undef isblank 82 int 83 isblank(int c) 84 { 85 /* XXX: FIXME */ 86 return c == ' ' || c == '\t'; 87 } 88 89 #undef toupper 90 int 91 toupper(int c) 92 { 93 return (int)_CTYPE_TAB(toupper_tab, c); 94 } 95 96 #undef tolower 97 int 98 tolower(int c) 99 { 100 return (int)_CTYPE_TAB(tolower_tab, c); 101 } 102 103 #undef _toupper 104 int 105 _toupper(int c) 106 { 107 return (c - 'a' + 'A'); 108 } 109 110 #undef _tolower 111 int 112 _tolower(int c) 113 { 114 return (c - 'A' + 'a'); 115 } 116