freebsd-src/include/runetype.h
2002-03-26 01:35:05 +00:00

110 lines
3.7 KiB
C

/*-
* 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
* $FreeBSD$
*/
#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
#ifdef _BSD_SIZE_T_
typedef _BSD_SIZE_T_ size_t;
#undef _BSD_SIZE_T_
#endif
#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_ */