1 /* 2 * Copyright (c) 1989 The Regents of the University of California. 3 * All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)ctype.h 5.3 (Berkeley) 4/3/91 35 * $NetBSD: src/include/ctype.h,v 1.25 2003/10/22 15:51:18 kleink Exp $ 36 * $DragonFly: src/include/ctype.h,v 1.17 2006/03/06 02:54:12 swildner Exp $ 37 */ 38 39 #ifndef _CTYPE_H_ 40 #define _CTYPE_H_ 41 42 #include <sys/cdefs.h> 43 #include <machine/stdint.h> 44 45 #define _CTYPEMASK_U 0x0001 46 #define _CTYPEMASK_L 0x0002 47 #define _CTYPEMASK_D 0x0004 48 #define _CTYPEMASK_S 0x0008 49 #define _CTYPEMASK_P 0x0010 50 #define _CTYPEMASK_C 0x0020 51 #define _CTYPEMASK_X 0x0040 52 #define _CTYPEMASK_B 0x0080 53 #define _CTYPEMASK_A 0x0100 54 #define _CTYPEMASK_G 0x0200 55 #define _CTYPEMASK_R 0x0400 56 57 extern const __uint16_t *__libc_ctype_; 58 extern const __int16_t *__libc_tolower_tab_; 59 extern const __int16_t *__libc_toupper_tab_; 60 61 __BEGIN_DECLS 62 int isalnum(int); 63 int isalpha(int); 64 int iscntrl(int); 65 int isdigit(int); 66 int isgraph(int); 67 int islower(int); 68 int isprint(int); 69 int ispunct(int); 70 int isspace(int); 71 int isupper(int); 72 int isxdigit(int); 73 int tolower(int); 74 int toupper(int); 75 76 #if defined(__XSI_VISIBLE) 77 int isascii(int); 78 int toascii(int); 79 int _tolower(int); 80 int _toupper(int); 81 #endif 82 83 #if __ISO_C_VISIBLE >= 1999 || __POSIX_VISIBLE >= 200112L || \ 84 __XSI_VISIBLE >= 600 85 int isblank(int); 86 #endif 87 __END_DECLS 88 89 #ifdef _CTYPE_PRIVATE 90 extern const __uint16_t __libc_C_ctype_[]; 91 extern const __int16_t __libc_C_toupper_[]; 92 extern const __int16_t __libc_C_tolower_[]; 93 #endif 94 95 /* 96 * don't get all wishy washy and try to support architectures where 97 * char isn't 8 bits. It's 8 bits, period. 98 */ 99 #if !defined(_CTYPE_H_DISABLE_MACROS_) 100 101 #define _CTYPE_NUM_CHARS (1 << (8*sizeof(char))) 102 103 static __inline int 104 __libc_ctype_index(__uint16_t mask, int c) 105 { 106 if (c < -1 || c >= _CTYPE_NUM_CHARS) 107 return(0); /* XXX maybe assert instead? */ 108 return(__libc_ctype_[c + 1] & mask); 109 } 110 111 static __inline int 112 __libc_ctype_convert(const __int16_t *array, int c) 113 { 114 if (c < -1 || c >= _CTYPE_NUM_CHARS) 115 return(c); /* XXX maybe assert instead? */ 116 return(array[c + 1]); 117 } 118 119 #ifndef _CTYPE_PRIVATE 120 #undef _CTYPE_NUM_CHARS 121 #endif 122 123 #define isdigit(c) __libc_ctype_index(_CTYPEMASK_D, c) 124 #define islower(c) __libc_ctype_index(_CTYPEMASK_L, c) 125 #define isspace(c) __libc_ctype_index(_CTYPEMASK_S, c) 126 #define ispunct(c) __libc_ctype_index(_CTYPEMASK_P, c) 127 #define isupper(c) __libc_ctype_index(_CTYPEMASK_U, c) 128 #define isalpha(c) __libc_ctype_index(_CTYPEMASK_A, c) 129 #define isxdigit(c) __libc_ctype_index(_CTYPEMASK_X, c) 130 #define isalnum(c) __libc_ctype_index(_CTYPEMASK_A|_CTYPEMASK_D, c) 131 #define isprint(c) __libc_ctype_index(_CTYPEMASK_R, c) 132 #define isgraph(c) __libc_ctype_index(_CTYPEMASK_G, c) 133 #define iscntrl(c) __libc_ctype_index(_CTYPEMASK_C, c) 134 #define tolower(c) __libc_ctype_convert(__libc_tolower_tab_, c) 135 #define toupper(c) __libc_ctype_convert(__libc_toupper_tab_, c) 136 137 #if defined(__XSI_VISIBLE) 138 #define isascii(c) ((unsigned)(c) <= 0177) 139 #define toascii(c) ((c) & 0177) 140 #define _tolower(c) ((c) - 'A' + 'a') 141 #define _toupper(c) ((c) - 'a' + 'A') 142 #endif 143 144 #if __ISO_C_VISIBLE >= 1999 || __POSIX_VISIBLE >= 200112L || \ 145 __XSI_VISIBLE >= 600 146 #define isblank(c) __libc_ctype_index(_CTYPEMASK_B, c) 147 #endif 148 149 #endif /* !_CTYPE_H_DISABLE_MACROS_ */ 150 151 #endif /* !_CTYPE_H_ */ 152