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 18 typedef struct { 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 } lzma_delta_coder; 31 32 33 extern 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