1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Paul Borman at Krystal Technologies. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef _RUNETYPE_H_ 36 #define _RUNETYPE_H_ 37 38 #include <sys/cdefs.h> 39 #include <sys/_types.h> 40 41 #define _CACHED_RUNES (1 <<8 ) /* Must be a power of 2 */ 42 #define _CRMASK (~(_CACHED_RUNES - 1)) 43 44 /* 45 * The lower 8 bits of runetype[] contain the digit value of the rune. 46 */ 47 typedef struct { 48 __rune_t __min; /* First rune of the range */ 49 __rune_t __max; /* Last rune (inclusive) of the range */ 50 __rune_t __map; /* What first maps to in maps */ 51 unsigned long *__types; /* Array of types in range */ 52 } _RuneEntry; 53 54 typedef struct { 55 int __nranges; /* Number of ranges stored */ 56 _RuneEntry *__ranges; /* Pointer to the ranges */ 57 } _RuneRange; 58 59 typedef struct { 60 char __magic[8]; /* Magic saying what version we are */ 61 char __encoding[32]; /* ASCII name of this encoding */ 62 63 __rune_t (*__sgetrune)(const char *, __size_t, char const **); 64 int (*__sputrune)(__rune_t, char *, __size_t, char **); 65 __rune_t __invalid_rune; 66 67 unsigned long __runetype[_CACHED_RUNES]; 68 __rune_t __maplower[_CACHED_RUNES]; 69 __rune_t __mapupper[_CACHED_RUNES]; 70 71 /* 72 * The following are to deal with Runes larger than _CACHED_RUNES - 1. 73 * Their data is actually contiguous with this structure so as to make 74 * it easier to read/write from/to disk. 75 */ 76 _RuneRange __runetype_ext; 77 _RuneRange __maplower_ext; 78 _RuneRange __mapupper_ext; 79 80 void *__variable; /* Data which depends on the encoding */ 81 int __variable_len; /* how long that data is */ 82 } _RuneLocale; 83 84 #define _RUNE_MAGIC_1 "RuneMagi" /* Indicates version 0 of RuneLocale */ 85 __BEGIN_DECLS 86 extern const _RuneLocale _DefaultRuneLocale; 87 extern const _RuneLocale *_CurrentRuneLocale; 88 #ifdef __RUNETYPE_INTERNAL 89 extern const _RuneLocale *__getCurrentRuneLocale(void); 90 #else 91 extern _Thread_local const _RuneLocale *_ThreadRuneLocale; 92 static __inline const _RuneLocale *__getCurrentRuneLocale(void) 93 { 94 95 if (_ThreadRuneLocale) 96 return _ThreadRuneLocale; 97 return _CurrentRuneLocale; 98 } 99 #endif /*__RUNETYPE_INTERNAL */ 100 #define _CurrentRuneLocale (__getCurrentRuneLocale()) 101 __END_DECLS 102 103 #endif /* !_RUNETYPE_H_ */ 104