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Diffstat (limited to 'include/runetype.h')
| -rw-r--r-- | include/runetype.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/include/runetype.h b/include/runetype.h new file mode 100644 index 0000000..6aad915 --- /dev/null +++ b/include/runetype.h @@ -0,0 +1,106 @@ +/*- + * 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. 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 <sys/_types.h> + +#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 */ +__BEGIN_DECLS +extern const _RuneLocale _DefaultRuneLocale; +extern const _RuneLocale *_CurrentRuneLocale; +#if defined(__NO_TLS) || defined(__RUNETYPE_INTERNAL) +extern const _RuneLocale *__getCurrentRuneLocale(void); +#else +extern _Thread_local const _RuneLocale *_ThreadRuneLocale; +static __inline const _RuneLocale *__getCurrentRuneLocale(void) +{ + + if (_ThreadRuneLocale) + return _ThreadRuneLocale; + if (_CurrentRuneLocale) + return _CurrentRuneLocale; + return &_DefaultRuneLocale; +} +#endif /* __NO_TLS || __RUNETYPE_INTERNAL */ +#define _CurrentRuneLocale (__getCurrentRuneLocale()) +__END_DECLS + +#endif /* !_RUNETYPE_H_ */ |
