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106 lines
3.7 KiB
C
106 lines
3.7 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Paul Borman at Krystal Technologies.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)runetype.h 8.1 (Berkeley) 6/2/93
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*/
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#ifndef _RUNETYPE_H_
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#define _RUNETYPE_H_
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#include <sys/cdefs.h>
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#include <sys/_types.h>
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#define _CACHED_RUNES (1 <<8 ) /* Must be a power of 2 */
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#define _CRMASK (~(_CACHED_RUNES - 1))
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/*
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* The lower 8 bits of runetype[] contain the digit value of the rune.
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*/
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typedef struct {
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__rune_t __min; /* First rune of the range */
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__rune_t __max; /* Last rune (inclusive) of the range */
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__rune_t __map; /* What first maps to in maps */
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unsigned long *__types; /* Array of types in range */
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} _RuneEntry;
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typedef struct {
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int __nranges; /* Number of ranges stored */
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_RuneEntry *__ranges; /* Pointer to the ranges */
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} _RuneRange;
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typedef struct {
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char __magic[8]; /* Magic saying what version we are */
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char __encoding[32]; /* ASCII name of this encoding */
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__rune_t (*__sgetrune)(const char *, __size_t, char const **);
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int (*__sputrune)(__rune_t, char *, __size_t, char **);
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__rune_t __invalid_rune;
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unsigned long __runetype[_CACHED_RUNES];
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__rune_t __maplower[_CACHED_RUNES];
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__rune_t __mapupper[_CACHED_RUNES];
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/*
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* The following are to deal with Runes larger than _CACHED_RUNES - 1.
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* Their data is actually contiguous with this structure so as to make
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* it easier to read/write from/to disk.
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*/
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_RuneRange __runetype_ext;
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_RuneRange __maplower_ext;
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_RuneRange __mapupper_ext;
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void *__variable; /* Data which depends on the encoding */
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int __variable_len; /* how long that data is */
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} _RuneLocale;
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#define _RUNE_MAGIC_1 "RuneMagi" /* Indicates version 0 of RuneLocale */
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__BEGIN_DECLS
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extern const _RuneLocale _DefaultRuneLocale;
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extern const _RuneLocale *_CurrentRuneLocale;
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#ifdef __RUNETYPE_INTERNAL
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extern const _RuneLocale *__getCurrentRuneLocale(void);
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#else
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extern _Thread_local const _RuneLocale *_ThreadRuneLocale;
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static __inline const _RuneLocale *__getCurrentRuneLocale(void)
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{
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if (_ThreadRuneLocale)
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return _ThreadRuneLocale;
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return _CurrentRuneLocale;
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}
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#endif /*__RUNETYPE_INTERNAL */
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#define _CurrentRuneLocale (__getCurrentRuneLocale())
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__END_DECLS
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#endif /* !_RUNETYPE_H_ */
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