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. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)runetype.h 8.1 (Berkeley) 6/2/93 33 * $FreeBSD$ 34 */ 35 36 #ifndef _RUNETYPE_H_ 37 #define _RUNETYPE_H_ 38 39 #include <sys/cdefs.h> 40 #include <sys/_types.h> 41 42 #define _CACHED_RUNES (1 <<8 ) /* Must be a power of 2 */ 43 #define _CRMASK (~(_CACHED_RUNES - 1)) 44 45 /* 46 * The lower 8 bits of runetype[] contain the digit value of the rune. 47 */ 48 typedef struct { 49 __rune_t __min; /* First rune of the range */ 50 __rune_t __max; /* Last rune (inclusive) of the range */ 51 __rune_t __map; /* What first maps to in maps */ 52 unsigned long *__types; /* Array of types in range */ 53 } _RuneEntry; 54 55 typedef struct { 56 int __nranges; /* Number of ranges stored */ 57 _RuneEntry *__ranges; /* Pointer to the ranges */ 58 } _RuneRange; 59 60 typedef struct { 61 char __magic[8]; /* Magic saying what version we are */ 62 char __encoding[32]; /* ASCII name of this encoding */ 63 64 __rune_t (*__sgetrune)(const char *, __size_t, char const **); 65 int (*__sputrune)(__rune_t, char *, __size_t, char **); 66 __rune_t __invalid_rune; 67 68 unsigned long __runetype[_CACHED_RUNES]; 69 __rune_t __maplower[_CACHED_RUNES]; 70 __rune_t __mapupper[_CACHED_RUNES]; 71 72 /* 73 * The following are to deal with Runes larger than _CACHED_RUNES - 1. 74 * Their data is actually contiguous with this structure so as to make 75 * it easier to read/write from/to disk. 76 */ 77 _RuneRange __runetype_ext; 78 _RuneRange __maplower_ext; 79 _RuneRange __mapupper_ext; 80 81 void *__variable; /* Data which depends on the encoding */ 82 int __variable_len; /* how long that data is */ 83 } _RuneLocale; 84 85 #define _RUNE_MAGIC_1 "RuneMagi" /* Indicates version 0 of RuneLocale */ 86 __BEGIN_DECLS 87 extern const _RuneLocale _DefaultRuneLocale; 88 extern const _RuneLocale *_CurrentRuneLocale; 89 #if defined(__NO_TLS) || defined(__RUNETYPE_INTERNAL) 90 extern const _RuneLocale *__getCurrentRuneLocale(void); 91 #else 92 extern _Thread_local const _RuneLocale *_ThreadRuneLocale; 93 static __inline const _RuneLocale *__getCurrentRuneLocale(void) 94 { 95 96 if (_ThreadRuneLocale) 97 return _ThreadRuneLocale; 98 if (_CurrentRuneLocale) 99 return _CurrentRuneLocale; 100 return &_DefaultRuneLocale; 101 } 102 #endif /* __NO_TLS || __RUNETYPE_INTERNAL */ 103 #define _CurrentRuneLocale (__getCurrentRuneLocale()) 104 __END_DECLS 105 106 #endif /* !_RUNETYPE_H_ */ 107