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/*-

 * Copyright (c) 1993

 *      The Regents of the University of California.  All rights reserved.

 *

 * This code is derived from software contributed to Berkeley by

 * Paul Borman at Krystal Technologies.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. All advertising materials mentioning features or use of this software

 *    must display the following acknowledgement:

 *      This product includes software developed by the University of

 *      California, Berkeley and its contributors.

 * 4. Neither the name of the University nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 *

 *      @(#)runetype.h  8.1 (Berkeley) 6/2/93

 * $FreeBSD: src/include/runetype.h,v 1.5 2002/03/26 01:35:05 bde Exp $

 */

#ifndef _RUNETYPE_H_

#define _RUNETYPE_H_

#include <sys/cdefs.h>

#include <machine/ansi.h>

#ifdef  _BSD_RUNE_T_

typedef _BSD_RUNE_T_    rune_t;

#undef  _BSD_RUNE_T_

#endif

typedef int rune_t;

#ifdef  _BSD_SIZE_T_

typedef _BSD_SIZE_T_    size_t;

#undef  _BSD_SIZE_T_

#endif

typedef unsigned int size_t;

#ifdef  _BSD_WCHAR_T_

typedef _BSD_WCHAR_T_   wchar_t;

#undef  _BSD_WCHAR_T_

#endif

#define _CACHED_RUNES   (1 <<8 )        /* Must be a power of 2 */

#define _CRMASK         (~(_CACHED_RUNES - 1))

/*

 * The lower 8 bits of runetype[] contain the digit value of the rune.

 */

typedef struct {

        rune_t          min;            /* First rune of the range */

        rune_t          max;            /* Last rune (inclusive) of the range */

        rune_t          map;            /* What first maps to in maps */

        unsigned long   *types;         /* Array of types in range */

} _RuneEntry;

typedef struct {

        int             nranges;        /* Number of ranges stored */

        _RuneEntry      *ranges;        /* Pointer to the ranges */

} _RuneRange;

typedef struct {

        char            magic[8];       /* Magic saying what version we are */

        char            encoding[32];   /* ASCII name of this encoding */

        rune_t          (*sgetrune)(const char *, size_t, char const **);

        int             (*sputrune)(rune_t, char *, size_t, char **);

        rune_t          invalid_rune;

        unsigned long   runetype[_CACHED_RUNES];

        rune_t          maplower[_CACHED_RUNES];

        rune_t          mapupper[_CACHED_RUNES];

        /*

         * The following are to deal with Runes larger than _CACHED_RUNES - 1.

         * Their data is actually contiguous with this structure so as to make

         * it easier to read/write from/to disk.

         */

        _RuneRange      runetype_ext;

        _RuneRange      maplower_ext;

        _RuneRange      mapupper_ext;

        void            *variable;      /* Data which depends on the encoding */

        int             variable_len;   /* how long that data is */

} _RuneLocale;

#define _RUNE_MAGIC_1   "RuneMagi"      /* Indicates version 0 of RuneLocale */

extern _RuneLocale _DefaultRuneLocale;

extern _RuneLocale *_CurrentRuneLocale;

#endif  /* !_RUNETYPE_H_ */