1 /* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. 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 * This code is derived from software contributed to Berkeley by 11 * Paul Borman at Krystal Technologies. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * @(#)ctype.h 8.4 (Berkeley) 1/21/94 42 * $FreeBSD$ 43 */ 44 45 #ifndef _CTYPE_H_ 46 #define _CTYPE_H_ 47 48 #include <sys/cdefs.h> 49 #include <sys/_types.h> 50 51 #define _CTYPE_A 0x00000100L /* Alpha */ 52 #define _CTYPE_C 0x00000200L /* Control */ 53 #define _CTYPE_D 0x00000400L /* Digit */ 54 #define _CTYPE_G 0x00000800L /* Graph */ 55 #define _CTYPE_L 0x00001000L /* Lower */ 56 #define _CTYPE_P 0x00002000L /* Punct */ 57 #define _CTYPE_S 0x00004000L /* Space */ 58 #define _CTYPE_U 0x00008000L /* Upper */ 59 #define _CTYPE_X 0x00010000L /* X digit */ 60 #define _CTYPE_B 0x00020000L /* Blank */ 61 #define _CTYPE_R 0x00040000L /* Print */ 62 #define _CTYPE_I 0x00080000L /* Ideogram */ 63 #define _CTYPE_T 0x00100000L /* Special */ 64 #define _CTYPE_Q 0x00200000L /* Phonogram */ 65 #define _CTYPE_SW0 0x20000000L /* 0 width character */ 66 #define _CTYPE_SW1 0x40000000L /* 1 width character */ 67 #define _CTYPE_SW2 0x80000000L /* 2 width character */ 68 #define _CTYPE_SW3 0xc0000000L /* 3 width character */ 69 70 __BEGIN_DECLS 71 int isalnum(int); 72 int isalpha(int); 73 int iscntrl(int); 74 int isdigit(int); 75 int isgraph(int); 76 int islower(int); 77 int isprint(int); 78 int ispunct(int); 79 int isspace(int); 80 int isupper(int); 81 int isxdigit(int); 82 int tolower(int); 83 int toupper(int); 84 85 #if __XSI_VISIBLE 86 int _tolower(int); 87 int _toupper(int); 88 int isascii(int); 89 int toascii(int); 90 #endif 91 92 #if __ISO_C_VISIBLE >= 1999 93 int isblank(int); 94 #endif 95 96 #if __BSD_VISIBLE 97 int digittoint(int); 98 int ishexnumber(int); 99 int isideogram(int); 100 int isnumber(int); 101 int isphonogram(int); 102 int isrune(int); 103 int isspecial(int); 104 #endif 105 __END_DECLS 106 107 #define isalnum(c) __istype((c), _CTYPE_A|_CTYPE_D) 108 #define isalpha(c) __istype((c), _CTYPE_A) 109 #define iscntrl(c) __istype((c), _CTYPE_C) 110 #define isdigit(c) __isctype((c), _CTYPE_D) /* ANSI -- locale independent */ 111 #define isgraph(c) __istype((c), _CTYPE_G) 112 #define islower(c) __istype((c), _CTYPE_L) 113 #define isprint(c) __istype((c), _CTYPE_R) 114 #define ispunct(c) __istype((c), _CTYPE_P) 115 #define isspace(c) __istype((c), _CTYPE_S) 116 #define isupper(c) __istype((c), _CTYPE_U) 117 #define isxdigit(c) __isctype((c), _CTYPE_X) /* ANSI -- locale independent */ 118 #define tolower(c) __tolower(c) 119 #define toupper(c) __toupper(c) 120 121 #if __XSI_VISIBLE 122 /* 123 * POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to 124 * tolower() and toupper() respectively, minus extra checking to ensure that 125 * the argument is a lower or uppercase letter respectively. We've chosen to 126 * implement these macros with the same error checking as tolower() and 127 * toupper() since this doesn't violate the specification itself, only its 128 * intent. We purposely leave _tolower() and _toupper() undocumented to 129 * discourage their use. 130 * 131 * XXX isascii() and toascii() should similarly be undocumented. 132 */ 133 #define _tolower(c) __tolower(c) 134 #define _toupper(c) __toupper(c) 135 #define isascii(c) (((c) & ~0x7F) == 0) 136 #define toascii(c) ((c) & 0x7F) 137 #endif 138 139 #if __ISO_C_VISIBLE >= 1999 140 #define isblank(c) __istype((c), _CTYPE_B) 141 #endif 142 143 #if __BSD_VISIBLE 144 #define digittoint(c) __maskrune((c), 0xFF) 145 #define ishexnumber(c) __istype((c), _CTYPE_X) 146 #define isideogram(c) __istype((c), _CTYPE_I) 147 #define isnumber(c) __istype((c), _CTYPE_D) 148 #define isphonogram(c) __istype((c), _CTYPE_Q) 149 #define isrune(c) __istype((c), 0xFFFFFF00L) 150 #define isspecial(c) __istype((c), _CTYPE_T) 151 #endif 152 153 /* See comments in <sys/_types.h> about __ct_rune_t. */ 154 __BEGIN_DECLS 155 unsigned long ___runetype(__ct_rune_t); 156 __ct_rune_t ___tolower(__ct_rune_t); 157 __ct_rune_t ___toupper(__ct_rune_t); 158 __END_DECLS 159 160 /* 161 * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us 162 * to generate code for extern versions of all our inline functions. 163 */ 164 #ifdef _EXTERNALIZE_CTYPE_INLINES_ 165 #define _USE_CTYPE_INLINE_ 166 #define static 167 #define __inline 168 #endif 169 170 /* 171 * <runetype.h> brings namespace pollution (struct member names). This prevents 172 * us from using the inline optimizations in the more strict __POSIX_VISIBLE and 173 * __XSI_VISIBLE namespaces. To fix this properly would require that we rename 174 * member names of long-standing structs, or something equally evil. 175 */ 176 #if !__BSD_VISIBLE && !defined(_USE_CTYPE_INLINE_) && \ 177 !defined(_DONT_USE_CTYPE_INLINE_) 178 #define _DONT_USE_CTYPE_INLINE_ 179 #endif 180 181 /* 182 * Use inline functions if we are allowed to and the compiler supports them. 183 */ 184 #if !defined(_DONT_USE_CTYPE_INLINE_) && \ 185 (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus)) 186 187 #include <runetype.h> 188 189 static __inline int 190 __maskrune(__ct_rune_t _c, unsigned long _f) 191 { 192 return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) : 193 _CurrentRuneLocale->runetype[_c]) & _f; 194 } 195 196 static __inline int 197 __istype(__ct_rune_t _c, unsigned long _f) 198 { 199 return (!!__maskrune(_c, _f)); 200 } 201 202 static __inline int 203 __isctype(__ct_rune_t _c, unsigned long _f) 204 { 205 return (_c < 0 || _c >= _CACHED_RUNES) ? 0 : 206 !!(_DefaultRuneLocale.runetype[_c] & _f); 207 } 208 209 static __inline __ct_rune_t 210 __toupper(__ct_rune_t _c) 211 { 212 return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) : 213 _CurrentRuneLocale->mapupper[_c]; 214 } 215 216 static __inline __ct_rune_t 217 __tolower(__ct_rune_t _c) 218 { 219 return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) : 220 _CurrentRuneLocale->maplower[_c]; 221 } 222 223 #else /* not using inlines */ 224 225 __BEGIN_DECLS 226 int __maskrune(__ct_rune_t, unsigned long); 227 int __istype(__ct_rune_t, unsigned long); 228 int __isctype(__ct_rune_t, unsigned long); 229 __ct_rune_t __toupper(__ct_rune_t); 230 __ct_rune_t __tolower(__ct_rune_t); 231 __END_DECLS 232 #endif /* using inlines */ 233 234 #endif /* !_CTYPE_H_ */ 235