include/ctype.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Copyright (c) 1989, 1993
  24  *      The Regents of the University of California.  All rights reserved.
  25  * (c) UNIX System Laboratories, Inc.
  26  * All or some portions of this file are derived from material licensed
  27  * to the University of California by American Telephone and Telegraph
  28  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  29  * the permission of UNIX System Laboratories, Inc.
  30  *
  31  * This code is derived from software contributed to Berkeley by
  32  * Paul Borman at Krystal Technologies.
  33  *
  34  * Redistribution and use in source and binary forms, with or without
  35  * modification, are permitted provided that the following conditions
  36  * are met:
  37  * 1. Redistributions of source code must retain the above copyright
  38  *    notice, this list of conditions and the following disclaimer.
  39  * 2. Redistributions in binary form must reproduce the above copyright
  40  *    notice, this list of conditions and the following disclaimer in the
  41  *    documentation and/or other materials provided with the distribution.
  42  * 3. All advertising materials mentioning features or use of this software
  43  *    must display the following acknowledgement:
  44  *      This product includes software developed by the University of
  45  *      California, Berkeley and its contributors.
  46  * 4. Neither the name of the University nor the names of its contributors
  47  *    may be used to endorse or promote products derived from this software
  48  *    without specific prior written permission.
  49  *
  50  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  51  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  52  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  53  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  54  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  55  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  56  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  57  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  58  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  59  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  60  * SUCH DAMAGE.
  61  *
  62  *      @(#)ctype.h     8.4 (Berkeley) 1/21/94
  63  */
  64
  65 #ifndef _CTYPE_H_
  66 #define _CTYPE_H_
  67
  68 #include <runetype.h>
  69
  70 #define _A      0x00000100L             /* Alpha */
  71 #define _C      0x00000200L             /* Control */
  72 #define _D      0x00000400L             /* Digit */
  73 #define _G      0x00000800L             /* Graph */
  74 #define _L      0x00001000L             /* Lower */
  75 #define _P      0x00002000L             /* Punct */
  76 #define _S      0x00004000L             /* Space */
  77 #define _U      0x00008000L             /* Upper */
  78 #define _X      0x00010000L             /* X digit */
  79 #define _B      0x00020000L             /* Blank */
  80 #define _R      0x00040000L             /* Print */
  81 #define _I      0x00080000L             /* Ideogram */
  82 #define _T      0x00100000L             /* Special */
  83 #define _Q      0x00200000L             /* Phonogram */
  84
  85 #define _CTYPE_A        _A
  86 #define _CTYPE_C        _C
  87 #define _CTYPE_D        _D
  88 #define _CTYPE_G        _G
  89 #define _CTYPE_L        _L
  90 #define _CTYPE_P        _P
  91 #define _CTYPE_S        _S
  92 #define _CTYPE_U        _U
  93 #define _CTYPE_X        _X
  94 #define _CTYPE_B        _B
  95 #define _CTYPE_R        _R
  96 #define _CTYPE_I        _I
  97 #define _CTYPE_T        _T
  98 #define _CTYPE_Q        _Q
  99
 100 __BEGIN_DECLS
 101 int     isalnum __P((int));
 102 int     isalpha __P((int));
 103 int     iscntrl __P((int));
 104 int     isdigit __P((int));
 105 int     isgraph __P((int));
 106 int     islower __P((int));
 107 int     isprint __P((int));
 108 int     ispunct __P((int));
 109 int     isspace __P((int));
 110 int     isupper __P((int));
 111 int     isxdigit __P((int));
 112 int     tolower __P((int));
 113 int     toupper __P((int));
 114
 115 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
 116 int     digittoint __P((int));
 117 int     isascii __P((int));
 118 int     isblank __P((int));
 119 int     ishexnumber __P((int));
 120 int     isideogram __P((int));
 121 int     isnumber __P((int));
 122 int     isphonogram __P((int));
 123 int     isrune __P((int));
 124 int     isspecial __P((int));
 125 int     toascii __P((int));
 126 #endif
 127 __END_DECLS
 128
 129
 130 #define isalnum(c)      __istype((c), (_A|_D))
 131 #define isalpha(c)      __istype((c),     _A)
 132 #define iscntrl(c)      __istype((c),     _C)
 133 #define isdigit(c)      __isctype((c),    _D)   /* ANSI -- locale independent */
 134 #define isgraph(c)      __istype((c),     _G)
 135 #define islower(c)      __istype((c),     _L)
 136 #define isprint(c)      __istype((c),     _R)
 137 #define ispunct(c)      __istype((c),     _P)
 138 #define isspace(c)      __istype((c),     _S)
 139 #define isupper(c)      __istype((c),     _U)
 140 #define isxdigit(c)     __isctype((c),    _X)   /* ANSI -- locale independent */
 141 #define tolower(c)      __tolower(c)
 142 #define toupper(c)      __toupper(c)
 143
 144 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
 145 #define digittoint(c)   __maskrune((c), 0xFF)
 146 #define isascii(c)      ((c & ~0x7F) == 0)
 147 #define isblank(c)      __istype((c), _B)
 148 #define ishexnumber(c)  __istype((c), _X)
 149 #define isideogram(c)   __istype((c), _I)
 150 #define isnumber(c)     __istype((c), _D)
 151 #define isphonogram(c)  __istype((c), _T)
 152 #define isrune(c)       __istype((c),  0xFFFFFF00L)
 153 #define isspecial(c)    __istype((c), _Q)
 154 #define toascii(c)      ((c) & 0x7F)
 155 #endif
 156
 157 /* See comments in <machine/ansi.h> about _BSD_RUNE_T_. */
 158 __BEGIN_DECLS
 159 unsigned long   ___runetype __P((_BSD_CT_RUNE_T_));
 160 _BSD_CT_RUNE_T_ ___tolower __P((_BSD_CT_RUNE_T_));
 161 _BSD_CT_RUNE_T_ ___toupper __P((_BSD_CT_RUNE_T_));
 162 __END_DECLS
 163
 164 /*
 165  * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
 166  * to generate code for extern versions of all our inline functions.
 167  */
 168 #ifdef _EXTERNALIZE_CTYPE_INLINES_
 169 #define _USE_CTYPE_INLINE_
 170 #define static
 171 #define __inline
 172 #endif
 173
 174 /*
 175  * Use inline functions if we are allowed to and the compiler supports them.
 176  */
 177 #if !defined(_DONT_USE_CTYPE_INLINE_) && \
 178     (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))
 179
 180 static __inline int
 181 __maskrune(_BSD_CT_RUNE_T_ _c, unsigned long _f)
 182 {
 183         return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) :
 184                 _CurrentRuneLocale->runetype[_c]) & _f;
 185 }
 186
 187 static __inline int
 188 __istype(_BSD_CT_RUNE_T_ c, unsigned long f)
 189 {
 190         return !!(__maskrune(c, f));
 191 }
 192
 193 static __inline _BSD_CT_RUNE_T_
 194 __isctype(_BSD_CT_RUNE_T_ _c, unsigned long _f)
 195 {
 196         return (_c < 0 || _c >= _CACHED_RUNES) ? 0 :
 197                 !!(_DefaultRuneLocale.runetype[_c] & _f);
 198 }
 199
 200 static __inline _BSD_CT_RUNE_T_
 201 __toupper(_BSD_CT_RUNE_T_ _c)
 202 {
 203         return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) :
 204                 _CurrentRuneLocale->mapupper[_c];
 205 }
 206
 207 static __inline _BSD_CT_RUNE_T_
 208 __tolower(_BSD_CT_RUNE_T_ _c)
 209 {
 210         return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) :
 211                 _CurrentRuneLocale->maplower[_c];
 212 }
 213
 214 #else /* not using inlines */
 215
 216 __BEGIN_DECLS
 217 int             __maskrune __P((_BSD_CT_RUNE_T_, unsigned long));
 218 int             __istype  __P((_BSD_CT_RUNE_T_, unsigned long));
 219 int             __isctype __P((_BSD_CT_RUNE_T_, unsigned long));
 220 _BSD_CT_RUNE_T_ __toupper __P((_BSD_CT_RUNE_T_));
 221 _BSD_CT_RUNE_T_ __tolower __P((_BSD_CT_RUNE_T_));
 222 __END_DECLS
 223 #endif /* using inlines */
 224
 225 #endif /* !_CTYPE_H_ */