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/* SPDX-License-Identifier: LGPL-3.0-or-later */
/*
* xattr_writer.h
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#ifndef XATTR_WRITER_H
#define XATTR_WRITER_H
#define SQFS_BUILDING_DLL
#include "config.h"
#include "sqfs/xattr_writer.h"
#include "sqfs/meta_writer.h"
#include "sqfs/super.h"
#include "sqfs/xattr.h"
#include "sqfs/error.h"
#include "sqfs/block.h"
#include "sqfs/io.h"
#include "str_table.h"
#include "rbtree.h"
#include "util.h"
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#define XATTR_KEY_BUCKETS 31
#define XATTR_VALUE_BUCKETS 511
#define XATTR_INITIAL_PAIR_CAP 128
#define MK_PAIR(key, value) (((sqfs_u64)(key) << 32UL) | (sqfs_u64)(value))
#define GET_KEY(pair) ((pair >> 32UL) & 0x0FFFFFFFFUL)
#define GET_VALUE(pair) (pair & 0x0FFFFFFFFUL)
typedef struct kv_block_desc_t {
struct kv_block_desc_t *next;
size_t start;
size_t count;
sqfs_u64 start_ref;
size_t size_bytes;
} kv_block_desc_t;
struct sqfs_xattr_writer_t {
sqfs_object_t base;
str_table_t keys;
str_table_t values;
sqfs_u64 *kv_pairs;
size_t max_pairs;
size_t num_pairs;
size_t kv_start;
rbtree_t kv_block_tree;
kv_block_desc_t *kv_block_first;
kv_block_desc_t *kv_block_last;
size_t num_blocks;
};
#endif /* XATTR_WRITER_H */
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