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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* id_table.h
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#ifndef SQFS_ID_TABLE_H
#define SQFS_ID_TABLE_H
#include "sqfs/predef.h"
#include "sqfs/compress.h"
typedef struct sqfs_id_table_t sqfs_id_table_t;
#ifdef __cplusplus
extern "C" {
#endif
/* Prints error message to stderr on failure. */
SQFS_API sqfs_id_table_t *sqfs_id_table_create(void);
SQFS_API void sqfs_id_table_destroy(sqfs_id_table_t *tbl);
/* Resolve a 32 bit to a 16 bit table index.
Returns 0 on success. Internally prints errors to stderr. */
SQFS_API int sqfs_id_table_id_to_index(sqfs_id_table_t *tbl, uint32_t id,
uint16_t *out);
/* Write an ID table to a SquashFS image.
Returns 0 on success. Internally prints error message to stderr. */
SQFS_API int sqfs_id_table_write(sqfs_id_table_t *tbl, int outfd,
sqfs_super_t *super, sqfs_compressor_t *cmp);
/* Read an ID table from a SquashFS image.
Returns 0 on success. Internally prints error messages to stderr. */
SQFS_API int sqfs_id_table_read(sqfs_id_table_t *tbl, int fd,
sqfs_super_t *super, sqfs_compressor_t *cmp);
SQFS_API int sqfs_id_table_index_to_id(const sqfs_id_table_t *tbl,
uint16_t index, uint32_t *out);
#ifdef __cplusplus
}
#endif
#endif /* SQFS_ID_TABLE_H */
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