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. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)ctype.h 8.4 (Berkeley) 1/21/94 38 * $FreeBSD: head/include/ctype.h 233600 2012-03-28 12:11:54Z theraven $ 39 */ 40 41 #ifndef _CTYPE_H_ 42 #define _CTYPE_H_ 43 44 #include <sys/cdefs.h> 45 #include <sys/types.h> 46 47 #define _CTYPE_A 0x00000100L /* Alpha */ 48 #define _CTYPE_C 0x00000200L /* Control */ 49 #define _CTYPE_D 0x00000400L /* Digit */ 50 #define _CTYPE_G 0x00000800L /* Graph */ 51 #define _CTYPE_L 0x00001000L /* Lower */ 52 #define _CTYPE_P 0x00002000L /* Punct */ 53 #define _CTYPE_S 0x00004000L /* Space */ 54 #define _CTYPE_U 0x00008000L /* Upper */ 55 #define _CTYPE_X 0x00010000L /* X digit */ 56 #define _CTYPE_B 0x00020000L /* Blank */ 57 #define _CTYPE_R 0x00040000L /* Print */ 58 #define _CTYPE_I 0x00080000L /* Ideogram */ 59 #define _CTYPE_T 0x00100000L /* Special */ 60 #define _CTYPE_Q 0x00200000L /* Phonogram */ 61 #define _CTYPE_N 0x00400000L /* Number (superset of digit) */ 62 #define _CTYPE_SW0 0x20000000L /* 0 width character */ 63 #define _CTYPE_SW1 0x40000000L /* 1 width character */ 64 #define _CTYPE_SW2 0x80000000L /* 2 width character */ 65 #define _CTYPE_SW3 0xc0000000L /* 3 width character */ 66 #define _CTYPE_SWM 0xe0000000L /* Mask for screen width data */ 67 #define _CTYPE_SWS 30 /* Bits to shift to get width */ 68 69 /* See comments in <sys/_types.h> about __ct_rune_t. */ 70 __BEGIN_DECLS 71 unsigned long ___runetype(__ct_rune_t) __pure; 72 __ct_rune_t ___tolower(__ct_rune_t) __pure; 73 __ct_rune_t ___toupper(__ct_rune_t) __pure; 74 __END_DECLS 75 76 /* 77 * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us 78 * to generate code for extern versions of all our inline functions. 79 */ 80 #ifdef _EXTERNALIZE_CTYPE_INLINES_ 81 #define _USE_CTYPE_INLINE_ 82 #define static 83 #undef __inline 84 #define __inline 85 #undef __always_inline 86 #define __always_inline 87 #endif 88 89 extern int __mb_sb_limit; 90 91 /* 92 * Use inline functions if we are allowed to and the compiler supports them. 93 */ 94 #if !defined(_DONT_USE_CTYPE_INLINE_) && \ 95 (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus)) 96 97 #include <runetype.h> 98 99 static __inline __always_inline int 100 __maskrune(__ct_rune_t _c, unsigned long _f) 101 { 102 return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) : 103 _CurrentRuneLocale->__runetype[_c]) & _f; 104 } 105 106 static __inline __always_inline int 107 __sbmaskrune(__ct_rune_t _c, unsigned long _f) 108 { 109 return (_c < 0 || _c >= __mb_sb_limit) ? 0 : 110 _CurrentRuneLocale->__runetype[_c] & _f; 111 } 112 113 static __inline __always_inline int 114 __istype(__ct_rune_t _c, unsigned long _f) 115 { 116 return (!!__maskrune(_c, _f)); 117 } 118 119 static __inline __always_inline int 120 __sbistype(__ct_rune_t _c, unsigned long _f) 121 { 122 return (!!__sbmaskrune(_c, _f)); 123 } 124 125 static __inline __always_inline int 126 __isctype(__ct_rune_t _c, unsigned long _f) 127 { 128 return (_c < 0 || _c >= 128) ? 0 : 129 !!(_DefaultRuneLocale.__runetype[_c] & _f); 130 } 131 132 static __inline __always_inline __ct_rune_t 133 __toupper(__ct_rune_t _c) 134 { 135 return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) : 136 _CurrentRuneLocale->__mapupper[_c]; 137 } 138 139 static __inline __always_inline __ct_rune_t 140 __sbtoupper(__ct_rune_t _c) 141 { 142 return (_c < 0 || _c >= __mb_sb_limit) ? _c : 143 _CurrentRuneLocale->__mapupper[_c]; 144 } 145 146 static __inline __always_inline __ct_rune_t 147 __tolower(__ct_rune_t _c) 148 { 149 return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) : 150 _CurrentRuneLocale->__maplower[_c]; 151 } 152 153 static __inline __always_inline __ct_rune_t 154 __sbtolower(__ct_rune_t _c) 155 { 156 return (_c < 0 || _c >= __mb_sb_limit) ? _c : 157 _CurrentRuneLocale->__maplower[_c]; 158 } 159 160 static __inline __always_inline int 161 __wcwidth(__ct_rune_t _c) 162 { 163 unsigned int _x; 164 165 if (_c == 0) 166 return (0); 167 _x = (unsigned int)__maskrune(_c, _CTYPE_SWM|_CTYPE_R); 168 if ((_x & _CTYPE_SWM) != 0) 169 return ((_x & _CTYPE_SWM) >> _CTYPE_SWS); 170 return ((_x & _CTYPE_R) != 0 ? 1 : -1); 171 } 172 173 #else /* not using inlines */ 174 175 __BEGIN_DECLS 176 int __maskrune(__ct_rune_t, unsigned long); 177 int __sbmaskrune(__ct_rune_t, unsigned long); 178 int __istype(__ct_rune_t, unsigned long); 179 int __sbistype(__ct_rune_t, unsigned long); 180 int __isctype(__ct_rune_t, unsigned long); 181 __ct_rune_t __toupper(__ct_rune_t); 182 __ct_rune_t __sbtoupper(__ct_rune_t); 183 __ct_rune_t __tolower(__ct_rune_t); 184 __ct_rune_t __sbtolower(__ct_rune_t); 185 int __wcwidth(__ct_rune_t); 186 __END_DECLS 187 #endif /* using inlines */ 188 189 190 __BEGIN_DECLS 191 int isalnum(int); 192 int isalpha(int); 193 int iscntrl(int); 194 int isdigit(int); 195 int isgraph(int); 196 int islower(int); 197 int isprint(int); 198 int ispunct(int); 199 int isspace(int); 200 int isupper(int); 201 int isxdigit(int); 202 int tolower(int); 203 int toupper(int); 204 205 #if __XSI_VISIBLE 206 int isascii(int); 207 int toascii(int); 208 #endif 209 210 #if __ISO_C_VISIBLE >= 1999 211 int isblank(int); 212 #endif 213 214 #if __BSD_VISIBLE 215 int digittoint(int); 216 int ishexnumber(int); 217 int isideogram(int); 218 int isnumber(int); 219 int isphonogram(int); 220 int isrune(int); 221 int isspecial(int); 222 #endif 223 224 #if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_) 225 #include <xlocale/_ctype.h> 226 #endif 227 __END_DECLS 228 229 #ifndef __cplusplus 230 #define isalnum(c) __sbistype((c), _CTYPE_A|_CTYPE_D|_CTYPE_N) 231 #define isalpha(c) __sbistype((c), _CTYPE_A) 232 #define iscntrl(c) __sbistype((c), _CTYPE_C) 233 #define isdigit(c) __sbistype((c), _CTYPE_D) 234 #define isgraph(c) __sbistype((c), _CTYPE_G) 235 #define islower(c) __sbistype((c), _CTYPE_L) 236 #define isprint(c) __sbistype((c), _CTYPE_R) 237 #define ispunct(c) __sbistype((c), _CTYPE_P) 238 #define isspace(c) __sbistype((c), _CTYPE_S) 239 #define isupper(c) __sbistype((c), _CTYPE_U) 240 #define isxdigit(c) __sbistype((c), _CTYPE_X) 241 #define tolower(c) __sbtolower(c) 242 #define toupper(c) __sbtoupper(c) 243 #endif /* !__cplusplus */ 244 245 #if __XSI_VISIBLE 246 /* 247 * POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to 248 * tolower() and toupper() respectively, minus extra checking to ensure that 249 * the argument is a lower or uppercase letter respectively. We've chosen to 250 * implement these macros with the same error checking as tolower() and 251 * toupper() since this doesn't violate the specification itself, only its 252 * intent. We purposely leave _tolower() and _toupper() undocumented to 253 * discourage their use. 254 * 255 * XXX isascii() and toascii() should similarly be undocumented. 256 */ 257 #define _tolower(c) __sbtolower(c) 258 #define _toupper(c) __sbtoupper(c) 259 #define isascii(c) (((c) & ~0x7F) == 0) 260 #define toascii(c) ((c) & 0x7F) 261 #endif 262 263 #if __ISO_C_VISIBLE >= 1999 && !defined(__cplusplus) 264 #define isblank(c) __sbistype((c), _CTYPE_B) 265 #endif 266 267 #if __BSD_VISIBLE 268 #define digittoint(c) __sbmaskrune((c), 0xFF) 269 #define ishexnumber(c) __sbistype((c), _CTYPE_X) 270 #define isideogram(c) __sbistype((c), _CTYPE_I) 271 #define isnumber(c) __sbistype((c), _CTYPE_D|_CTYPE_N) 272 #define isphonogram(c) __sbistype((c), _CTYPE_Q) 273 #define isrune(c) __sbistype((c), 0xFFFFFF00L) 274 #define isspecial(c) __sbistype((c), _CTYPE_T) 275 #endif 276 277 #endif /* !_CTYPE_H_ */ 278