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/* Definitions for locale archive handling.
Copyright (C) 2002-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _LOCARCHIVE_H
#define _LOCARCHIVE_H 1
#include <stdint.h>
#define AR_MAGIC 0xde020109
struct locarhead
{
uint32_t magic;
/* Serial number. */
uint32_t serial;
/* Name hash table. */
uint32_t namehash_offset;
uint32_t namehash_used;
uint32_t namehash_size;
/* String table. */
uint32_t string_offset;
uint32_t string_used;
uint32_t string_size;
/* Table with locale records. */
uint32_t locrectab_offset;
uint32_t locrectab_used;
uint32_t locrectab_size;
/* MD5 sum hash table. */
uint32_t sumhash_offset;
uint32_t sumhash_used;
uint32_t sumhash_size;
};
struct namehashent
{
/* Hash value of the name. */
uint32_t hashval;
/* Offset of the name in the string table. */
uint32_t name_offset;
/* Offset of the locale record. */
uint32_t locrec_offset;
};
struct sumhashent
{
/* MD5 sum. */
char sum[16];
/* Offset of the file in the archive. */
uint32_t file_offset;
};
struct locrecent
{
uint32_t refs; /* # of namehashent records that point here */
struct
{
uint32_t offset;
uint32_t len;
} record[__LC_LAST];
};
struct locarhandle
{
/* Full path to the locale archive file. */
const char *fname;
int fd;
void *addr;
size_t mmaped;
size_t reserved;
/* If this mmap required adjustment (such as re-aligning), then this is the
real address that was returned from mmap and thus should be passed to the
munmap call. The addr field above is the first usable address. */
void *mmap_base;
/* Same as above for mmap_base vs addr, but this is the real length of the
map rather than the usable (which is what reserved represents). */
size_t mmap_len;
};
/* In memory data for the locales with their checksums. */
typedef struct locale_category_data
{
off64_t size;
void *addr;
char sum[16];
} locale_data_t[__LC_LAST];
#endif /* locarchive.h */
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