Line data Source code
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 <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 6924 : static __inline const _RuneLocale *__getCurrentRuneLocale(void)
94 : {
95 :
96 6924 : if (_ThreadRuneLocale)
97 0 : return _ThreadRuneLocale;
98 6924 : if (_CurrentRuneLocale)
99 6924 : return _CurrentRuneLocale;
100 0 : return &_DefaultRuneLocale;
101 : }
102 : #endif /* __NO_TLS || __RUNETYPE_INTERNAL */
103 : #define _CurrentRuneLocale (__getCurrentRuneLocale())
104 : __END_DECLS
105 :
106 : #endif /* !_RUNETYPE_H_ */
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