1 /* $OpenBSD: ctype_.c,v 1.9 2005/08/08 08:05:33 espie Exp $ */ 2 /* 3 * Copyright (c) 1989 The Regents of the University of California. 4 * All rights reserved. 5 * (c) UNIX System Laboratories, Inc. 6 * All or some portions of this file are derived from material licensed 7 * to the University of California by American Telephone and Telegraph 8 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 9 * the permission of UNIX System Laboratories, Inc. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <ctype.h> 37 #include "ctype_private.h" 38 39 #define _U _CTYPE_U 40 #define _L _CTYPE_L 41 #define _N _CTYPE_N 42 #define _S _CTYPE_S 43 #define _P _CTYPE_P 44 #define _C _CTYPE_C 45 #define _X _CTYPE_X 46 #define _B _CTYPE_B 47 48 const char _C_ctype_[1 + CTYPE_NUM_CHARS] = { 49 0, 50 _C, _C, _C, _C, _C, _C, _C, _C, 51 _C, _C|_S, _C|_S, _C|_S, _C|_S, _C|_S, _C, _C, 52 _C, _C, _C, _C, _C, _C, _C, _C, 53 _C, _C, _C, _C, _C, _C, _C, _C, 54 _S|(char)_B, _P, _P, _P, _P, _P, _P, _P, 55 _P, _P, _P, _P, _P, _P, _P, _P, 56 _N, _N, _N, _N, _N, _N, _N, _N, 57 _N, _N, _P, _P, _P, _P, _P, _P, 58 _P, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U, 59 _U, _U, _U, _U, _U, _U, _U, _U, 60 _U, _U, _U, _U, _U, _U, _U, _U, 61 _U, _U, _U, _P, _P, _P, _P, _P, 62 _P, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L, 63 _L, _L, _L, _L, _L, _L, _L, _L, 64 _L, _L, _L, _L, _L, _L, _L, _L, 65 /* determine printability based on the IS0 8859 8-bit standard */ 66 _L, _L, _L, _P, _P, _P, _P, _C, 67 68 _C, _C, _C, _C, _C, _C, _C, _C, /* 80 */ 69 _C, _C, _C, _C, _C, _C, _C, _C, /* 88 */ 70 _C, _C, _C, _C, _C, _C, _C, _C, /* 90 */ 71 _C, _C, _C, _C, _C, _C, _C, _C, /* 98 */ 72 _P, _P, _P, _P, _P, _P, _P, _P, /* A0 */ 73 _P, _P, _P, _P, _P, _P, _P, _P, /* A8 */ 74 _P, _P, _P, _P, _P, _P, _P, _P, /* B0 */ 75 _P, _P, _P, _P, _P, _P, _P, _P, /* B8 */ 76 _P, _P, _P, _P, _P, _P, _P, _P, /* C0 */ 77 _P, _P, _P, _P, _P, _P, _P, _P, /* C8 */ 78 _P, _P, _P, _P, _P, _P, _P, _P, /* D0 */ 79 _P, _P, _P, _P, _P, _P, _P, _P, /* D8 */ 80 _P, _P, _P, _P, _P, _P, _P, _P, /* E0 */ 81 _P, _P, _P, _P, _P, _P, _P, _P, /* E8 */ 82 _P, _P, _P, _P, _P, _P, _P, _P, /* F0 */ 83 _P, _P, _P, _P, _P, _P, _P, _P /* F8 */ 84 }; 85 86 const char *_ctype_ = _C_ctype_; 87 88 89 // TODO: fix the header file so we don't have to duplicate all this inlined stuff. 90 91 #if 1 /* ndef NDEBUG */ 92 int isalnum(int c) 93 { 94 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L|_N))); 95 } 96 97 int isalpha(int c) 98 { 99 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L))); 100 } 101 102 int iscntrl(int c) 103 { 104 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _C)); 105 } 106 107 int isdigit(int c) 108 { 109 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _N)); 110 } 111 112 int isgraph(int c) 113 { 114 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N))); 115 } 116 117 int islower(int c) 118 { 119 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _L)); 120 } 121 122 int isprint(int c) 123 { 124 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N|_B))); 125 } 126 127 int ispunct(int c) 128 { 129 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _P)); 130 } 131 132 int isspace(int c) 133 { 134 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _S)); 135 } 136 137 int isupper(int c) 138 { 139 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _U)); 140 } 141 142 int isxdigit(int c) 143 { 144 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_N|_X))); 145 } 146 147 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __POSIX_VISIBLE > 200112 \ 148 || __XPG_VISIBLE > 600 149 int isblank(int c) 150 { 151 return (c == ' ' || c == '\t'); 152 } 153 #endif 154 155 #if __BSD_VISIBLE || __XPG_VISIBLE 156 int isascii(int c) 157 { 158 return ((unsigned int)c <= 0177); 159 } 160 161 int toascii(int c) 162 { 163 return (c & 0177); 164 } 165 166 #endif /* __BSD_VISIBLE || __XPG_VISIBLE */ 167 168 #endif /* !NDBEUG */ 169