linux/lib/xz/xz_stream.h

/*
 * Definitions for handling the .xz file format
 *
 * Author: Lasse Collin <[email protected]>
 *
 * This file has been put into the public domain.
 * You can do whatever you want with this file.
 */

#ifndef XZ_STREAM_H
#define XZ_STREAM_H

#if defined(__KERNEL__) && !XZ_INTERNAL_CRC32
#	include <linux/crc32.h>
#	undef crc32
#define xz_crc32(buf, size, crc) …
#endif

/*
 * See the .xz file format specification at
 * https://tukaani.org/xz/xz-file-format.txt
 * to understand the container format.
 */

#define STREAM_HEADER_SIZE …

#define HEADER_MAGIC …
#define HEADER_MAGIC_SIZE …

#define FOOTER_MAGIC …
#define FOOTER_MAGIC_SIZE …

/*
 * Variable-length integer can hold a 63-bit unsigned integer or a special
 * value indicating that the value is unknown.
 *
 * Experimental: vli_type can be defined to uint32_t to save a few bytes
 * in code size (no effect on speed). Doing so limits the uncompressed and
 * compressed size of the file to less than 256 MiB and may also weaken
 * error detection slightly.
 */
vli_type;

#define VLI_MAX …
#define VLI_UNKNOWN …

/* Maximum encoded size of a VLI */
#define VLI_BYTES_MAX …

/* Integrity Check types */
enum xz_check { … };

/* Maximum possible Check ID */
#define XZ_CHECK_MAX …

#endif