include/ctype.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Copyright (c) 1989, 1993
  27  *      The Regents of the University of California.  All rights reserved.
  28  * (c) UNIX System Laboratories, Inc.
  29  * All or some portions of this file are derived from material licensed
  30  * to the University of California by American Telephone and Telegraph
  31  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  32  * the permission of UNIX System Laboratories, Inc.
  33  *
  34  * This code is derived from software contributed to Berkeley by
  35  * Paul Borman at Krystal Technologies.
  36  *
  37  * Redistribution and use in source and binary forms, with or without
  38  * modification, are permitted provided that the following conditions
  39  * are met:
  40  * 1. Redistributions of source code must retain the above copyright
  41  *    notice, this list of conditions and the following disclaimer.
  42  * 2. Redistributions in binary form must reproduce the above copyright
  43  *    notice, this list of conditions and the following disclaimer in the
  44  *    documentation and/or other materials provided with the distribution.
  45  * 3. All advertising materials mentioning features or use of this software
  46  *    must display the following acknowledgement:
  47  *      This product includes software developed by the University of
  48  *      California, Berkeley and its contributors.
  49  * 4. Neither the name of the University nor the names of its contributors
  50  *    may be used to endorse or promote products derived from this software
  51  *    without specific prior written permission.
  52  *
  53  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  54  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  55  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  56  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  57  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  58  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  59  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  60  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  61  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  62  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  63  * SUCH DAMAGE.
  64  *
  65  *      @(#)ctype.h     8.4 (Berkeley) 1/21/94
  66  */
  67
  68 #ifndef _CTYPE_H_
  69 #define _CTYPE_H_
  70
  71 #include <runetype.h>
  72
  73 #define _CTYPE_A        0x00000100L             /* Alpha */
  74 #define _CTYPE_C        0x00000200L             /* Control */
  75 #define _CTYPE_D        0x00000400L             /* Digit */
  76 #define _CTYPE_G        0x00000800L             /* Graph */
  77 #define _CTYPE_L        0x00001000L             /* Lower */
  78 #define _CTYPE_P        0x00002000L             /* Punct */
  79 #define _CTYPE_S        0x00004000L             /* Space */
  80 #define _CTYPE_U        0x00008000L             /* Upper */
  81 #define _CTYPE_X        0x00010000L             /* X digit */
  82 #define _CTYPE_B        0x00020000L             /* Blank */
  83 #define _CTYPE_R        0x00040000L             /* Print */
  84 #define _CTYPE_I        0x00080000L             /* Ideogram */
  85 #define _CTYPE_T        0x00100000L             /* Special */
  86 #define _CTYPE_Q        0x00200000L             /* Phonogram */
  87 #define _CTYPE_SW0      0x20000000L             /* 0 width character */
  88 #define _CTYPE_SW1      0x40000000L             /* 1 width character */
  89 #define _CTYPE_SW2      0x80000000L             /* 2 width character */
  90 #define _CTYPE_SW3      0xc0000000L             /* 3 width character */
  91
  92 /*
  93  * Backward compatibility
  94  */
  95 #define _A              _CTYPE_A                /* Alpha */
  96 #define _C              _CTYPE_C                /* Control */
  97 #define _D              _CTYPE_D                /* Digit */
  98 #define _G              _CTYPE_G                /* Graph */
  99 #define _L              _CTYPE_L                /* Lower */
 100 #define _P              _CTYPE_P                /* Punct */
 101 #define _S              _CTYPE_S                /* Space */
 102 #define _U              _CTYPE_U                /* Upper */
 103 #define _X              _CTYPE_X                /* X digit */
 104 #define _B              _CTYPE_B                /* Blank */
 105 #define _R              _CTYPE_R                /* Print */
 106 #define _I              _CTYPE_I                /* Ideogram */
 107 #define _T              _CTYPE_T                /* Special */
 108 #define _Q              _CTYPE_Q                /* Phonogram */
 109 #define _SW0            _CTYPE_SW0              /* 0 width character */
 110 #define _SW1            _CTYPE_SW1              /* 1 width character */
 111 #define _SW2            _CTYPE_SW2              /* 2 width character */
 112 #define _SW3            _CTYPE_SW3              /* 3 width character */
 113
 114 __BEGIN_DECLS
 115 int     isalnum(int);
 116 int     isalpha(int);
 117 int     isblank(int);
 118 int     iscntrl(int);
 119 int     isdigit(int);
 120 int     isgraph(int);
 121 int     islower(int);
 122 int     isprint(int);
 123 int     ispunct(int);
 124 int     isspace(int);
 125 int     isupper(int);
 126 int     isxdigit(int);
 127 int     tolower(int);
 128 int     toupper(int);
 129
 130 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
 131 int     _tolower(int);
 132 int     _toupper(int);
 133 int     digittoint(int);
 134 int     isascii(int);
 135 int     ishexnumber(int);
 136 int     isideogram(int);
 137 int     isnumber(int);
 138 int     isphonogram(int);
 139 int     isrune(int);
 140 int     isspecial(int);
 141 int     toascii(int);
 142 #endif
 143 __END_DECLS
 144
 145
 146 #define isalnum(c)      __istype((c), (_CTYPE_A|_CTYPE_D))
 147 #define isalpha(c)      __istype((c), _CTYPE_A)
 148 #define isblank(c)      __istype((c), _CTYPE_B)
 149 #define iscntrl(c)      __istype((c), _CTYPE_C)
 150 #define isdigit(c)      __isctype((c), _CTYPE_D)        /* ANSI -- locale independent */
 151 #define isgraph(c)      __istype((c), _CTYPE_G)
 152 #define islower(c)      __istype((c), _CTYPE_L)
 153 #define isprint(c)      __istype((c), _CTYPE_R)
 154 #define ispunct(c)      __istype((c), _CTYPE_P)
 155 #define isspace(c)      __istype((c), _CTYPE_S)
 156 #define isupper(c)      __istype((c), _CTYPE_U)
 157 #define isxdigit(c)     __isctype((c), _CTYPE_X)        /* ANSI -- locale independent */
 158 #define tolower(c)      __tolower(c)
 159 #define toupper(c)      __toupper(c)
 160
 161 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
 162 #define _tolower(c)     __tolower(c)
 163 #define _toupper(c)     __toupper(c)
 164 #define digittoint(c)   __maskrune((c), 0xFF)
 165 #define isascii(c)      (((c) & ~0x7F) == 0)
 166 #define ishexnumber(c)  __istype((c), _CTYPE_X)
 167 #define isideogram(c)   __istype((c), _CTYPE_I)
 168 #define isnumber(c)     __istype((c), _CTYPE_D)
 169 #define isphonogram(c)  __istype((c), _CTYPE_Q)
 170 #define isrune(c)       __istype((c),  0xFFFFFF00L)
 171 #define isspecial(c)    __istype((c), _CTYPE_T)
 172 #define toascii(c)      ((c) & 0x7F)
 173 #endif
 174
 175 /* See comments in <machine/ansi.h> about _BSD_RUNE_T_. */
 176 __BEGIN_DECLS
 177 unsigned long   ___runetype(_BSD_CT_RUNE_T_);
 178 _BSD_CT_RUNE_T_ ___tolower(_BSD_CT_RUNE_T_);
 179 _BSD_CT_RUNE_T_ ___toupper(_BSD_CT_RUNE_T_);
 180 __END_DECLS
 181
 182 /*
 183  * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
 184  * to generate code for extern versions of all our inline functions.
 185  */
 186 #ifdef _EXTERNALIZE_CTYPE_INLINES_
 187 #define _USE_CTYPE_INLINE_
 188 #define static
 189 #define __inline
 190 #endif
 191
 192 /*
 193  * Use inline functions if we are allowed to and the compiler supports them.
 194  */
 195 #if !defined(_DONT_USE_CTYPE_INLINE_) && \
 196     (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))
 197
 198 static __inline int
 199 __maskrune(_BSD_CT_RUNE_T_ _c, unsigned long _f)
 200 {
 201 #ifdef USE_ASCII
 202         return _CurrentRuneLocale->runetype[_c && 0xff] & _f;
 203 #else /* USE_ASCII */
 204         return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) :
 205                 _CurrentRuneLocale->runetype[_c]) & _f;
 206 #endif /* USE_ASCII */
 207 }
 208
 209 static __inline int
 210 __istype(_BSD_CT_RUNE_T_ c, unsigned long f)
 211 {
 212         return !!(__maskrune(c, f));
 213 }
 214
 215 static __inline _BSD_CT_RUNE_T_
 216 __isctype(_BSD_CT_RUNE_T_ _c, unsigned long _f)
 217 {
 218 #ifdef USE_ASCII
 219         return !!(_DefaultRuneLocale.runetype[_c & 0xff] & _f);
 220 #else /* USE_ASCII */
 221         return (_c < 0 || _c >= _CACHED_RUNES) ? 0 :
 222                 !!(_DefaultRuneLocale.runetype[_c] & _f);
 223 #endif /* USE_ASCII */
 224 }
 225
 226 static __inline _BSD_CT_RUNE_T_
 227 __toupper(_BSD_CT_RUNE_T_ _c)
 228 {
 229 #ifdef USE_ASCII
 230         return _CurrentRuneLocale->mapupper[_c & 0xff];
 231 #else /* USE_ASCII */
 232         return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) :
 233                 _CurrentRuneLocale->mapupper[_c];
 234 #endif /* USE_ASCII */
 235 }
 236
 237 static __inline _BSD_CT_RUNE_T_
 238 __tolower(_BSD_CT_RUNE_T_ _c)
 239 {
 240 #ifdef USE_ASCII
 241         return _CurrentRuneLocale->maplower[_c & 0xff];
 242 #else /* USE_ASCII */
 243         return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) :
 244                 _CurrentRuneLocale->maplower[_c];
 245 #endif /* USE_ASCII */
 246 }
 247
 248 #else /* not using inlines */
 249
 250 __BEGIN_DECLS
 251 int             __maskrune(_BSD_CT_RUNE_T_, unsigned long);
 252 int             __istype (_BSD_CT_RUNE_T_, unsigned long);
 253 int             __isctype(_BSD_CT_RUNE_T_, unsigned long);
 254 _BSD_CT_RUNE_T_ __toupper(_BSD_CT_RUNE_T_);
 255 _BSD_CT_RUNE_T_ __tolower(_BSD_CT_RUNE_T_);
 256 __END_DECLS
 257 #endif /* using inlines */
 258
 259 #endif /* !_CTYPE_H_ */