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a7b65cdc | 1 | /* Definitions for locale archive handling. |
b168057a | 2 | Copyright (C) 2002-2015 Free Software Foundation, Inc. |
a7b65cdc UD |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
a7b65cdc UD |
18 | |
19 | #ifndef _LOCARCHIVE_H | |
20 | #define _LOCARCHIVE_H 1 | |
21 | ||
22 | #include <stdint.h> | |
23 | ||
24 | ||
25 | #define AR_MAGIC 0xde020109 | |
26 | ||
27 | struct locarhead | |
28 | { | |
29 | uint32_t magic; | |
30 | /* Serial number. */ | |
31 | uint32_t serial; | |
32 | /* Name hash table. */ | |
33 | uint32_t namehash_offset; | |
34 | uint32_t namehash_used; | |
35 | uint32_t namehash_size; | |
36 | /* String table. */ | |
37 | uint32_t string_offset; | |
38 | uint32_t string_used; | |
39 | uint32_t string_size; | |
40 | /* Table with locale records. */ | |
41 | uint32_t locrectab_offset; | |
42 | uint32_t locrectab_used; | |
43 | uint32_t locrectab_size; | |
44 | /* MD5 sum hash table. */ | |
45 | uint32_t sumhash_offset; | |
46 | uint32_t sumhash_used; | |
47 | uint32_t sumhash_size; | |
48 | }; | |
49 | ||
50 | ||
51 | struct namehashent | |
52 | { | |
53 | /* Hash value of the name. */ | |
54 | uint32_t hashval; | |
55 | /* Offset of the name in the string table. */ | |
56 | uint32_t name_offset; | |
57 | /* Offset of the locale record. */ | |
58 | uint32_t locrec_offset; | |
59 | }; | |
60 | ||
61 | ||
62 | struct sumhashent | |
63 | { | |
64 | /* MD5 sum. */ | |
65 | char sum[16]; | |
66 | /* Offset of the file in the archive. */ | |
67 | uint32_t file_offset; | |
68 | }; | |
69 | ||
70 | struct locrecent | |
71 | { | |
aa97cce1 | 72 | uint32_t refs; /* # of namehashent records that point here */ |
a7b65cdc UD |
73 | struct |
74 | { | |
75 | uint32_t offset; | |
76 | uint32_t len; | |
77 | } record[__LC_LAST]; | |
78 | }; | |
79 | ||
80 | ||
81 | struct locarhandle | |
82 | { | |
484c12fb CD |
83 | /* Full path to the locale archive file. */ |
84 | const char *fname; | |
a7b65cdc UD |
85 | int fd; |
86 | void *addr; | |
705341a9 UD |
87 | size_t mmaped; |
88 | size_t reserved; | |
17db6e8d MF |
89 | /* If this mmap required adjustment (such as re-aligning), then this is the |
90 | real address that was returned from mmap and thus should be passed to the | |
91 | munmap call. The addr field above is the first usable address. */ | |
92 | void *mmap_base; | |
93 | /* Same as above for mmap_base vs addr, but this is the real length of the | |
94 | map rather than the usable (which is what reserved represents). */ | |
95 | size_t mmap_len; | |
a7b65cdc UD |
96 | }; |
97 | ||
98 | ||
99 | /* In memory data for the locales with their checksums. */ | |
ac8f8c53 | 100 | typedef struct locale_category_data |
a7b65cdc UD |
101 | { |
102 | off64_t size; | |
103 | void *addr; | |
104 | char sum[16]; | |
105 | } locale_data_t[__LC_LAST]; | |
106 | ||
107 | #endif /* locarchive.h */ |