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: head/include/runetype.h 232620 2012-03-06 20:15:23Z dim $ 34 */ 35 36 #ifndef _RUNETYPE_H_ 37 #define _RUNETYPE_H_ 38 39 #include <sys/cdefs.h> 40 #include <machine/stdint.h> 41 42 #define _CACHED_RUNES (1 <<8 ) /* Must be a power of 2 */ 43 #define _CRMASK (~(_CACHED_RUNES - 1)) 44 45 /* See comments in <ctype.h> about __ct_rune_t. */ 46 #ifndef ___CT_RUNE_T_DECLARED 47 typedef int __ct_rune_t; /* Arg type for ctype funcs */ 48 #define ___CT_RUNE_T_DECLARED 49 #endif 50 51 typedef __ct_rune_t __rune_t; /* Internal runetype.h type */ 52 53 /* 54 * The lower 8 bits of runetype[] contain the digit value of the rune. 55 */ 56 typedef struct { 57 __rune_t __min; /* First rune of the range */ 58 __rune_t __max; /* Last rune (inclusive) of the range */ 59 __rune_t __map; /* What first maps to in maps */ 60 unsigned long *__types; /* Array of types in range */ 61 } _RuneEntry; 62 63 typedef struct { 64 int __nranges; /* Number of ranges stored */ 65 _RuneEntry *__ranges; /* Pointer to the ranges */ 66 } _RuneRange; 67 68 typedef struct { 69 char __magic[8]; /* Magic saying what version we are */ 70 char __encoding[32]; /* ASCII name of this encoding */ 71 72 __rune_t (*__sgetrune)(const char *, __size_t, char const **); 73 int (*__sputrune)(__rune_t, char *, __size_t, char **); 74 __rune_t __invalid_rune; 75 76 unsigned long __runetype[_CACHED_RUNES]; 77 __rune_t __maplower[_CACHED_RUNES]; 78 __rune_t __mapupper[_CACHED_RUNES]; 79 80 /* 81 * The following are to deal with Runes larger than _CACHED_RUNES - 1. 82 * Their data is actually contiguous with this structure so as to make 83 * it easier to read/write from/to disk. 84 */ 85 _RuneRange __runetype_ext; 86 _RuneRange __maplower_ext; 87 _RuneRange __mapupper_ext; 88 89 void *__variable; /* Data which depends on the encoding */ 90 int __variable_len; /* how long that data is */ 91 } _RuneLocale; 92 93 #define _RUNE_MAGIC_1 "RuneMagi" /* Indicates version 0 of RuneLocale */ 94 __BEGIN_DECLS 95 extern const _RuneLocale _DefaultRuneLocale; 96 extern const _RuneLocale *_CurrentRuneLocale; 97 #if defined(__RUNETYPE_INTERNAL) 98 extern const _RuneLocale *__getCurrentRuneLocale(void); 99 #else 100 extern __thread const _RuneLocale *_ThreadRuneLocale; 101 static __inline const _RuneLocale *__getCurrentRuneLocale(void) 102 { 103 104 if (_ThreadRuneLocale) 105 return _ThreadRuneLocale; 106 if (_CurrentRuneLocale) 107 return _CurrentRuneLocale; 108 return &_DefaultRuneLocale; 109 } 110 #endif /* __RUNETYPE_INTERNAL */ 111 #define _CurrentRuneLocale (__getCurrentRuneLocale()) 112 __END_DECLS 113 114 #endif /* !_RUNETYPE_H_ */ 115