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Many Linux arches require fixed mmaps to be aligned higher than pagesize, so use the SHMLBA define as it represents this quantity exactly. This fixes spurious errors seen on those arches like: cannot map archive header: Invalid argument URL: http://sourceware.org/bugzilla/show_bug.cgi?id=10283 Reported-by: CHIKAMA Masaki <masaki.chikama@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/* Definitions for locale archive handling.
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Copyright (C) 2002-2013 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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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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