include/ctype.h

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