include/_ctype.h

   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  * From @(#)ctype.h     8.4 (Berkeley) 1/21/94
  38  * From FreeBSD: src/include/ctype.h,v 1.27 2004/06/23 07:11:39 tjr Exp
  39  * $FreeBSD$
  40  */
  41
  42 #ifndef __CTYPE_H_
  43 #define __CTYPE_H_
  44
  45 #include <sys/cdefs.h>
  46 #include <sys/_types.h>
  47
  48 #define _CTYPE_A        0x00000100L             /* Alpha */
  49 #define _CTYPE_C        0x00000200L             /* Control */
  50 #define _CTYPE_D        0x00000400L             /* Digit */
  51 #define _CTYPE_G        0x00000800L             /* Graph */
  52 #define _CTYPE_L        0x00001000L             /* Lower */
  53 #define _CTYPE_P        0x00002000L             /* Punct */
  54 #define _CTYPE_S        0x00004000L             /* Space */
  55 #define _CTYPE_U        0x00008000L             /* Upper */
  56 #define _CTYPE_X        0x00010000L             /* X digit */
  57 #define _CTYPE_B        0x00020000L             /* Blank */
  58 #define _CTYPE_R        0x00040000L             /* Print */
  59 #define _CTYPE_I        0x00080000L             /* Ideogram */
  60 #define _CTYPE_T        0x00100000L             /* Special */
  61 #define _CTYPE_Q        0x00200000L             /* Phonogram */
  62 #define _CTYPE_N        0x00400000L             /* Number (superset of digit) */
  63 #define _CTYPE_SW0      0x20000000L             /* 0 width character */
  64 #define _CTYPE_SW1      0x40000000L             /* 1 width character */
  65 #define _CTYPE_SW2      0x80000000L             /* 2 width character */
  66 #define _CTYPE_SW3      0xc0000000L             /* 3 width character */
  67 #define _CTYPE_SWM      0xe0000000L             /* Mask for screen width data */
  68 #define _CTYPE_SWS      30                      /* Bits to shift to get width */
  69
  70 /* See comments in <sys/_types.h> about __ct_rune_t. */
  71 __BEGIN_DECLS
  72 unsigned long   ___runetype(__ct_rune_t) __pure;
  73 __ct_rune_t     ___tolower(__ct_rune_t) __pure;
  74 __ct_rune_t     ___toupper(__ct_rune_t) __pure;
  75 __END_DECLS
  76
  77 /*
  78  * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
  79  * to generate code for extern versions of all our inline functions.
  80  */
  81 #ifdef _EXTERNALIZE_CTYPE_INLINES_
  82 #define _USE_CTYPE_INLINE_
  83 #define static
  84 #define __inline
  85 #endif
  86
  87 extern int __mb_sb_limit;
  88
  89 /*
  90  * Use inline functions if we are allowed to and the compiler supports them.
  91  */
  92 #if !defined(_DONT_USE_CTYPE_INLINE_) && \
  93     (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))
  94
  95 #include <runetype.h>
  96
  97 static __inline int
  98 __maskrune(__ct_rune_t _c, unsigned long _f)
  99 {
 100         return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) :
 101                 _CurrentRuneLocale->__runetype[_c]) & _f;
 102 }
 103
 104 static __inline int
 105 __sbmaskrune(__ct_rune_t _c, unsigned long _f)
 106 {
 107         return (_c < 0 || _c >= __mb_sb_limit) ? 0 :
 108                _CurrentRuneLocale->__runetype[_c] & _f;
 109 }
 110
 111 static __inline int
 112 __istype(__ct_rune_t _c, unsigned long _f)
 113 {
 114         return (!!__maskrune(_c, _f));
 115 }
 116
 117 static __inline int
 118 __sbistype(__ct_rune_t _c, unsigned long _f)
 119 {
 120         return (!!__sbmaskrune(_c, _f));
 121 }
 122
 123 static __inline int
 124 __isctype(__ct_rune_t _c, unsigned long _f)
 125 {
 126         return (_c < 0 || _c >= 128) ? 0 :
 127                !!(_DefaultRuneLocale.__runetype[_c] & _f);
 128 }
 129
 130 static __inline __ct_rune_t
 131 __toupper(__ct_rune_t _c)
 132 {
 133         return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) :
 134                _CurrentRuneLocale->__mapupper[_c];
 135 }
 136
 137 static __inline __ct_rune_t
 138 __sbtoupper(__ct_rune_t _c)
 139 {
 140         return (_c < 0 || _c >= __mb_sb_limit) ? _c :
 141                _CurrentRuneLocale->__mapupper[_c];
 142 }
 143
 144 static __inline __ct_rune_t
 145 __tolower(__ct_rune_t _c)
 146 {
 147         return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) :
 148                _CurrentRuneLocale->__maplower[_c];
 149 }
 150
 151 static __inline __ct_rune_t
 152 __sbtolower(__ct_rune_t _c)
 153 {
 154         return (_c < 0 || _c >= __mb_sb_limit) ? _c :
 155                _CurrentRuneLocale->__maplower[_c];
 156 }
 157
 158 static __inline int
 159 __wcwidth(__ct_rune_t _c)
 160 {
 161         unsigned int _x;
 162
 163         if (_c == 0)
 164                 return (0);
 165         _x = (unsigned int)__maskrune(_c, _CTYPE_SWM|_CTYPE_R);
 166         if ((_x & _CTYPE_SWM) != 0)
 167                 return ((_x & _CTYPE_SWM) >> _CTYPE_SWS);
 168         return ((_x & _CTYPE_R) != 0 ? 1 : -1);
 169 }
 170
 171 #else /* not using inlines */
 172
 173 __BEGIN_DECLS
 174 int             __maskrune(__ct_rune_t, unsigned long);
 175 int             __sbmaskrune(__ct_rune_t, unsigned long);
 176 int             __istype(__ct_rune_t, unsigned long);
 177 int             __sbistype(__ct_rune_t, unsigned long);
 178 int             __isctype(__ct_rune_t, unsigned long);
 179 __ct_rune_t     __toupper(__ct_rune_t);
 180 __ct_rune_t     __sbtoupper(__ct_rune_t);
 181 __ct_rune_t     __tolower(__ct_rune_t);
 182 __ct_rune_t     __sbtolower(__ct_rune_t);
 183 int             __wcwidth(__ct_rune_t);
 184 __END_DECLS
 185 #endif /* using inlines */
 186
 187 #endif /* !__CTYPE_H_ */