1 // SPDX-License-Identifier: 0BSD 2 3 /////////////////////////////////////////////////////////////////////////////// 4 // 5 /// \file delta_private.h 6 /// \brief Private common stuff for Delta encoder and decoder 7 // 8 // Author: Lasse Collin 9 // 10 /////////////////////////////////////////////////////////////////////////////// 11 12 #ifndef LZMA_DELTA_PRIVATE_H 13 #define LZMA_DELTA_PRIVATE_H 14 15 #include "delta_common.h" 16 17 typedef struct { 18 /// Next coder in the chain 19 lzma_next_coder next; 20 21 /// Delta distance 22 size_t distance; 23 24 /// Position in history[] 25 uint8_t pos; 26 27 /// Buffer to hold history of the original data 28 uint8_t history[LZMA_DELTA_DIST_MAX]; 29 } lzma_delta_coder; 30 31 32 extern lzma_ret lzma_delta_coder_init( 33 lzma_next_coder *next, const lzma_allocator *allocator, 34 const lzma_filter_info *filters); 35 36 #endif 37