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 39const 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 77const char *_ctype_ = _C_ctype_; 78 79 80#if 1 /* ndef NDEBUG */ 81int isalnum(int c) 82{ 83 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L|_N))); 84} 85 86int isalpha(int c) 87{ 88 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L))); 89} 90 91int iscntrl(int c) 92{ 93 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _C)); 94} 95 96int isdigit(int c) 97{ 98 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _N)); 99} 100 101int isgraph(int c) 102{ 103 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N))); 104} 105 106int islower(int c) 107{ 108 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _L)); 109} 110 111int isprint(int c) 112{ 113 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N|_B))); 114} 115 116int ispunct(int c) 117{ 118 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _P)); 119} 120 121int isspace(int c) 122{ 123 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _S)); 124} 125 126int isupper(int c) 127{ 128 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _U)); 129} 130 131int 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 138int isblank(int c) 139{ 140 return (c == ' ' || c == '\t'); 141} 142#endif 143 144#if __BSD_VISIBLE || __XPG_VISIBLE 145int isascii(int c) 146{ 147 return ((unsigned int)c <= 0177); 148} 149 150int toascii(int c) 151{ 152 return (c & 0177); 153} 154 155#endif /* __BSD_VISIBLE || __XPG_VISIBLE */ 156 157#endif /* !NDBEUG */ 158 159