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108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
/* Definitions for locale archive handling.
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Copyright (C) 2002-2015 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _LOCARCHIVE_H
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#define _LOCARCHIVE_H 1
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#include <stdint.h>
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#define AR_MAGIC 0xde020109
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struct locarhead
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{
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uint32_t magic;
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/* Serial number. */
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uint32_t serial;
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/* Name hash table. */
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uint32_t namehash_offset;
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uint32_t namehash_used;
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uint32_t namehash_size;
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/* String table. */
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uint32_t string_offset;
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uint32_t string_used;
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uint32_t string_size;
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/* Table with locale records. */
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uint32_t locrectab_offset;
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uint32_t locrectab_used;
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uint32_t locrectab_size;
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/* MD5 sum hash table. */
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uint32_t sumhash_offset;
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uint32_t sumhash_used;
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uint32_t sumhash_size;
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};
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struct namehashent
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{
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/* Hash value of the name. */
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uint32_t hashval;
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/* Offset of the name in the string table. */
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uint32_t name_offset;
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/* Offset of the locale record. */
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uint32_t locrec_offset;
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};
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struct sumhashent
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{
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/* MD5 sum. */
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char sum[16];
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/* Offset of the file in the archive. */
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uint32_t file_offset;
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};
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struct locrecent
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{
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uint32_t refs; /* # of namehashent records that point here */
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struct
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{
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uint32_t offset;
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uint32_t len;
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} record[__LC_LAST];
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};
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struct locarhandle
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{
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/* Full path to the locale archive file. */
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const char *fname;
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int fd;
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void *addr;
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size_t mmaped;
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size_t reserved;
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/* If this mmap required adjustment (such as re-aligning), then this is the
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real address that was returned from mmap and thus should be passed to the
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munmap call. The addr field above is the first usable address. */
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void *mmap_base;
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/* Same as above for mmap_base vs addr, but this is the real length of the
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map rather than the usable (which is what reserved represents). */
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size_t mmap_len;
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};
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/* In memory data for the locales with their checksums. */
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typedef struct locale_category_data
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{
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off64_t size;
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void *addr;
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char sum[16];
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} locale_data_t[__LC_LAST];
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#endif /* locarchive.h */
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