delta_private.h revision 292588 
1///////////////////////////////////////////////////////////////////////////////
2//
3/// \file       delta_private.h
4/// \brief      Private common stuff for Delta encoder and decoder
5//
6//  Author:     Lasse Collin
7//
8//  This file has been put into the public domain.
9//  You can do whatever you want with this file.
10//
11///////////////////////////////////////////////////////////////////////////////
12
13#ifndef LZMA_DELTA_PRIVATE_H
14#define LZMA_DELTA_PRIVATE_H
15
16#include "delta_common.h"
17
18struct lzma_coder_s {
19	/// Next coder in the chain
20	lzma_next_coder next;
21
22	/// Delta distance
23	size_t distance;
24
25	/// Position in history[]
26	uint8_t pos;
27
28	/// Buffer to hold history of the original data
29	uint8_t history[LZMA_DELTA_DIST_MAX];
30};
31
32
33extern lzma_ret lzma_delta_coder_init(
34		lzma_next_coder *next, const lzma_allocator *allocator,
35		const lzma_filter_info *filters);
36
37#endif
38