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. All advertising materials mentioning features or use of this software
  22  *    must display the following acknowledgement:
  23  *      This product includes software developed by the University of
  24  *      California, Berkeley and its contributors.
  25  * 4. Neither the name of the University nor the names of its contributors
  26  *    may be used to endorse or promote products derived from this software
  27  *    without specific prior written permission.
  28  *
  29  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  30  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  33  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  34  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  35  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  37  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  38  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  39  * SUCH DAMAGE.
  40  *
  41  * From @(#)ctype.h     8.4 (Berkeley) 1/21/94
  42  * From FreeBSD: src/include/ctype.h,v 1.27 2004/06/23 07:11:39 tjr Exp
  43  * $FreeBSD$
  44  */
  45
  46 #ifndef __CTYPE_H_
  47 #define __CTYPE_H_
  48
  49 #include <sys/cdefs.h>
  50 #include <sys/_types.h>
  51
  52 #define _CTYPE_A        0x00000100L             /* Alpha */
  53 #define _CTYPE_C        0x00000200L             /* Control */
  54 #define _CTYPE_D        0x00000400L             /* Digit */
  55 #define _CTYPE_G        0x00000800L             /* Graph */
  56 #define _CTYPE_L        0x00001000L             /* Lower */
  57 #define _CTYPE_P        0x00002000L             /* Punct */
  58 #define _CTYPE_S        0x00004000L             /* Space */
  59 #define _CTYPE_U        0x00008000L             /* Upper */
  60 #define _CTYPE_X        0x00010000L             /* X digit */
  61 #define _CTYPE_B        0x00020000L             /* Blank */
  62 #define _CTYPE_R        0x00040000L             /* Print */
  63 #define _CTYPE_I        0x00080000L             /* Ideogram */
  64 #define _CTYPE_T        0x00100000L             /* Special */
  65 #define _CTYPE_Q        0x00200000L             /* Phonogram */
  66 #define _CTYPE_SW0      0x20000000L             /* 0 width character */
  67 #define _CTYPE_SW1      0x40000000L             /* 1 width character */
  68 #define _CTYPE_SW2      0x80000000L             /* 2 width character */
  69 #define _CTYPE_SW3      0xc0000000L             /* 3 width character */
  70 #define _CTYPE_SWM      0xe0000000L             /* Mask for screen width data */
  71 #define _CTYPE_SWS      30                      /* Bits to shift to get width */
  72
  73 /* See comments in <sys/_types.h> about __ct_rune_t. */
  74 __BEGIN_DECLS
  75 unsigned long   ___runetype(__ct_rune_t) __pure;
  76 __ct_rune_t     ___tolower(__ct_rune_t) __pure;
  77 __ct_rune_t     ___toupper(__ct_rune_t) __pure;
  78 __END_DECLS
  79
  80 /*
  81  * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
  82  * to generate code for extern versions of all our inline functions.
  83  */
  84 #ifdef _EXTERNALIZE_CTYPE_INLINES_
  85 #define _USE_CTYPE_INLINE_
  86 #define static
  87 #define __inline
  88 #endif
  89
  90 extern int __mb_sb_limit;
  91
  92 /*
  93  * Use inline functions if we are allowed to and the compiler supports them.
  94  */
  95 #if !defined(_DONT_USE_CTYPE_INLINE_) && \
  96     (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))
  97
  98 #include <runetype.h>
  99
 100 static __inline int
 101 __maskrune(__ct_rune_t _c, unsigned long _f)
 102 {
 103         return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) :
 104                 _CurrentRuneLocale->__runetype[_c]) & _f;
 105 }
 106
 107 static __inline int
 108 __sbmaskrune(__ct_rune_t _c, unsigned long _f)
 109 {
 110         return (_c < 0 || _c >= __mb_sb_limit) ? 0 :
 111                _CurrentRuneLocale->__runetype[_c] & _f;
 112 }
 113
 114 static __inline int
 115 __istype(__ct_rune_t _c, unsigned long _f)
 116 {
 117         return (!!__maskrune(_c, _f));
 118 }
 119
 120 static __inline int
 121 __sbistype(__ct_rune_t _c, unsigned long _f)
 122 {
 123         return (!!__sbmaskrune(_c, _f));
 124 }
 125
 126 static __inline int
 127 __isctype(__ct_rune_t _c, unsigned long _f)
 128 {
 129         return (_c < 0 || _c >= 128) ? 0 :
 130                !!(_DefaultRuneLocale.__runetype[_c] & _f);
 131 }
 132
 133 static __inline __ct_rune_t
 134 __toupper(__ct_rune_t _c)
 135 {
 136         return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) :
 137                _CurrentRuneLocale->__mapupper[_c];
 138 }
 139
 140 static __inline __ct_rune_t
 141 __sbtoupper(__ct_rune_t _c)
 142 {
 143         return (_c < 0 || _c >= __mb_sb_limit) ? _c :
 144                _CurrentRuneLocale->__mapupper[_c];
 145 }
 146
 147 static __inline __ct_rune_t
 148 __tolower(__ct_rune_t _c)
 149 {
 150         return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) :
 151                _CurrentRuneLocale->__maplower[_c];
 152 }
 153
 154 static __inline __ct_rune_t
 155 __sbtolower(__ct_rune_t _c)
 156 {
 157         return (_c < 0 || _c >= __mb_sb_limit) ? _c :
 158                _CurrentRuneLocale->__maplower[_c];
 159 }
 160
 161 static __inline int
 162 __wcwidth(__ct_rune_t _c)
 163 {
 164         unsigned int _x;
 165
 166         if (_c == 0)
 167                 return (0);
 168         _x = (unsigned int)__maskrune(_c, _CTYPE_SWM|_CTYPE_R);
 169         if ((_x & _CTYPE_SWM) != 0)
 170                 return ((_x & _CTYPE_SWM) >> _CTYPE_SWS);
 171         return ((_x & _CTYPE_R) != 0 ? 1 : -1);
 172 }
 173
 174 #else /* not using inlines */
 175
 176 __BEGIN_DECLS
 177 int             __maskrune(__ct_rune_t, unsigned long);
 178 int             __sbmaskrune(__ct_rune_t, unsigned long);
 179 int             __istype(__ct_rune_t, unsigned long);
 180 int             __sbistype(__ct_rune_t, unsigned long);
 181 int             __isctype(__ct_rune_t, unsigned long);
 182 __ct_rune_t     __toupper(__ct_rune_t);
 183 __ct_rune_t     __sbtoupper(__ct_rune_t);
 184 __ct_rune_t     __tolower(__ct_rune_t);
 185 __ct_rune_t     __sbtolower(__ct_rune_t);
 186 int             __wcwidth(__ct_rune_t);
 187 __END_DECLS
 188 #endif /* using inlines */
 189
 190 #endif /* !__CTYPE_H_ */