1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * This code is derived from software contributed to Berkeley by 13 * Paul Borman at Krystal Technologies. 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 3. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 */ 39 40 #if defined(LIBC_SCCS) && !defined(lint) 41 static char sccsid[] = "@(#)isctype.c 8.3 (Berkeley) 2/24/94"; 42 #endif /* LIBC_SCCS and not lint */ 43 #include <sys/cdefs.h> 44 __FBSDID("$FreeBSD$"); 45 46 #include <ctype.h> 47 48 #undef digittoint 49 int 50 digittoint(int c) 51 { 52 return (__sbmaskrune(c, 0xFF)); 53 } 54 55 #undef isalnum 56 int 57 isalnum(int c) 58 { 59 return (__sbistype(c, _CTYPE_A|_CTYPE_N)); 60 } 61 62 #undef isalpha 63 int 64 isalpha(int c) 65 { 66 return (__sbistype(c, _CTYPE_A)); 67 } 68 69 #undef isascii 70 int 71 isascii(int c) 72 { 73 return ((c & ~0x7F) == 0); 74 } 75 76 #undef isblank 77 int 78 isblank(int c) 79 { 80 return (__sbistype(c, _CTYPE_B)); 81 } 82 83 #undef iscntrl 84 int 85 iscntrl(int c) 86 { 87 return (__sbistype(c, _CTYPE_C)); 88 } 89 90 #undef isdigit 91 int 92 isdigit(int c) 93 { 94 return (__isctype(c, _CTYPE_D)); 95 } 96 97 #undef isgraph 98 int 99 isgraph(int c) 100 { 101 return (__sbistype(c, _CTYPE_G)); 102 } 103 104 #undef ishexnumber 105 int 106 ishexnumber(int c) 107 { 108 return (__sbistype(c, _CTYPE_X)); 109 } 110 111 #undef isideogram 112 int 113 isideogram(int c) 114 { 115 return (__sbistype(c, _CTYPE_I)); 116 } 117 118 #undef islower 119 int 120 islower(int c) 121 { 122 return (__sbistype(c, _CTYPE_L)); 123 } 124 125 #undef isnumber 126 int 127 isnumber(int c) 128 { 129 return (__sbistype(c, _CTYPE_N)); 130 } 131 132 #undef isphonogram 133 int 134 isphonogram(int c) 135 { 136 return (__sbistype(c, _CTYPE_Q)); 137 } 138 139 #undef isprint 140 int 141 isprint(int c) 142 { 143 return (__sbistype(c, _CTYPE_R)); 144 } 145 146 #undef ispunct 147 int 148 ispunct(int c) 149 { 150 return (__sbistype(c, _CTYPE_P)); 151 } 152 153 #undef isrune 154 int 155 isrune(int c) 156 { 157 return (__sbistype(c, 0xFFFFFF00L)); 158 } 159 160 #undef isspace 161 int 162 isspace(int c) 163 { 164 return (__sbistype(c, _CTYPE_S)); 165 } 166 167 #undef isspecial 168 int 169 isspecial(int c) 170 { 171 return (__sbistype(c, _CTYPE_T)); 172 } 173 174 #undef isupper 175 int 176 isupper(int c) 177 { 178 return (__sbistype(c, _CTYPE_U)); 179 } 180 181 #undef isxdigit 182 int 183 isxdigit(int c) 184 { 185 return (__isctype(c, _CTYPE_X)); 186 } 187 188 #undef toascii 189 int 190 toascii(int c) 191 { 192 return (c & 0x7F); 193 } 194 195 #undef tolower 196 int 197 tolower(int c) 198 { 199 return (__sbtolower(c)); 200 } 201 202 #undef toupper 203 int 204 toupper(int c) 205 { 206 return (__sbtoupper(c)); 207 } 208 209