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 const char _C_ctype_[1 + CTYPE_NUM_CHARS] = { 40 0, 41 _C, _C, _C, _C, _C, _C, _C, _C, 42 _C, _C|_S, _C|_S, _C|_S, _C|_S, _C|_S, _C, _C, 43 _C, _C, _C, _C, _C, _C, _C, _C, 44 _C, _C, _C, _C, _C, _C, _C, _C, 45 _S|(char)_B, _P, _P, _P, _P, _P, _P, _P, 46 _P, _P, _P, _P, _P, _P, _P, _P, 47 _N, _N, _N, _N, _N, _N, _N, _N, 48 _N, _N, _P, _P, _P, _P, _P, _P, 49 _P, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U, 50 _U, _U, _U, _U, _U, _U, _U, _U, 51 _U, _U, _U, _U, _U, _U, _U, _U, 52 _U, _U, _U, _P, _P, _P, _P, _P, 53 _P, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L, 54 _L, _L, _L, _L, _L, _L, _L, _L, 55 _L, _L, _L, _L, _L, _L, _L, _L, 56 /* determine printability based on the IS0 8859 8-bit standard */ 57 _L, _L, _L, _P, _P, _P, _P, _C, 58 59 _C, _C, _C, _C, _C, _C, _C, _C, /* 80 */ 60 _C, _C, _C, _C, _C, _C, _C, _C, /* 88 */ 61 _C, _C, _C, _C, _C, _C, _C, _C, /* 90 */ 62 _C, _C, _C, _C, _C, _C, _C, _C, /* 98 */ 63 _P, _P, _P, _P, _P, _P, _P, _P, /* A0 */ 64 _P, _P, _P, _P, _P, _P, _P, _P, /* A8 */ 65 _P, _P, _P, _P, _P, _P, _P, _P, /* B0 */ 66 _P, _P, _P, _P, _P, _P, _P, _P, /* B8 */ 67 _P, _P, _P, _P, _P, _P, _P, _P, /* C0 */ 68 _P, _P, _P, _P, _P, _P, _P, _P, /* C8 */ 69 _P, _P, _P, _P, _P, _P, _P, _P, /* D0 */ 70 _P, _P, _P, _P, _P, _P, _P, _P, /* D8 */ 71 _P, _P, _P, _P, _P, _P, _P, _P, /* E0 */ 72 _P, _P, _P, _P, _P, _P, _P, _P, /* E8 */ 73 _P, _P, _P, _P, _P, _P, _P, _P, /* F0 */ 74 _P, _P, _P, _P, _P, _P, _P, _P /* F8 */ 75 }; 76 77 const char *_ctype_ = _C_ctype_; 78 79 80 #if 1 /* ndef NDEBUG */ 81 int isalnum(int c) 82 { 83 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L|_N))); 84 } 85 86 int isalpha(int c) 87 { 88 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L))); 89 } 90 91 int iscntrl(int c) 92 { 93 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _C)); 94 } 95 96 int isdigit(int c) 97 { 98 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _N)); 99 } 100 101 int isgraph(int c) 102 { 103 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N))); 104 } 105 106 int islower(int c) 107 { 108 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _L)); 109 } 110 111 int isprint(int c) 112 { 113 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N|_B))); 114 } 115 116 int ispunct(int c) 117 { 118 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _P)); 119 } 120 121 int isspace(int c) 122 { 123 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _S)); 124 } 125 126 int isupper(int c) 127 { 128 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _U)); 129 } 130 131 int isxdigit(int c) 132 { 133 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_N|_X))); 134 } 135 136 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __POSIX_VISIBLE > 200112 \ 137 || __XPG_VISIBLE > 600 138 int isblank(int c) 139 { 140 return (c == ' ' || c == '\t'); 141 } 142 #endif 143 144 #if __BSD_VISIBLE || __XPG_VISIBLE 145 int isascii(int c) 146 { 147 return ((unsigned int)c <= 0177); 148 } 149 150 int toascii(int c) 151 { 152 return (c & 0177); 153 } 154 155 #endif /* __BSD_VISIBLE || __XPG_VISIBLE */ 156 157 #endif /* !NDBEUG */ 158 159
