compiler/clib/runetype.h

   1 /*-
   2  * Copyright (c) 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Paul Borman at Krystal Technologies.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  *      @(#)runetype.h  8.1 (Berkeley) 6/2/93
  37  * $FreeBSD: src/include/runetype.h,v 1.9 2004/06/23 07:01:43 tjr Exp $
  38  */
  39
  40 #ifndef _RUNETYPE_H_
  41 #define _RUNETYPE_H_
  42
  43 #include <sys/cdefs.h>
  44 #include <sys/_types.h>
  45
  46 #ifdef __AROS__
  47 #undef __size_t
  48 #endif
  49
  50 #define _CACHED_RUNES   (1 <<8 )        /* Must be a power of 2 */
  51 #define _CRMASK         (~(_CACHED_RUNES - 1))
  52
  53 /*
  54  * The lower 8 bits of runetype[] contain the digit value of the rune.
  55  */
  56 typedef struct {
  57         __rune_t        __min;          /* First rune of the range */
  58         __rune_t        __max;          /* Last rune (inclusive) of the range */
  59         __rune_t        __map;          /* What first maps to in maps */
  60         unsigned long   *__types;       /* Array of types in range */
  61 } _RuneEntry;
  62
  63 typedef struct {
  64         int             __nranges;      /* Number of ranges stored */
  65         _RuneEntry      *__ranges;      /* Pointer to the ranges */
  66 } _RuneRange;
  67
  68 typedef struct {
  69         char            __magic[8];     /* Magic saying what version we are */
  70         char            __encoding[32]; /* ASCII name of this encoding */
  71
  72         __rune_t        (*__sgetrune)(const char *, __size_t, char const **);
  73         int             (*__sputrune)(__rune_t, char *, __size_t, char **);
  74         __rune_t        __invalid_rune;
  75
  76         unsigned long   __runetype[_CACHED_RUNES];
  77         __rune_t        __maplower[_CACHED_RUNES];
  78         __rune_t        __mapupper[_CACHED_RUNES];
  79
  80         /*
  81          * The following are to deal with Runes larger than _CACHED_RUNES - 1.
  82          * Their data is actually contiguous with this structure so as to make
  83          * it easier to read/write from/to disk.
  84          */
  85         _RuneRange      __runetype_ext;
  86         _RuneRange      __maplower_ext;
  87         _RuneRange      __mapupper_ext;
  88
  89         void            *__variable;    /* Data which depends on the encoding */
  90         int             __variable_len; /* how long that data is */
  91 } _RuneLocale;
  92
  93 #define _RUNE_MAGIC_1   "RuneMagi"      /* Indicates version 0 of RuneLocale */
  94
  95 extern _RuneLocale _DefaultRuneLocale;
  96 extern _RuneLocale *_CurrentRuneLocale;
  97
  98 #endif  /* !_RUNETYPE_H_ */