1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 /// \file       lzma_decoder.h
4 /// \brief      LZMA decoder API
5 ///
6 //  Authors:    Igor Pavlov
7 //              Lasse Collin
8 //
9 //  This file has been put into the public domain.
10 //  You can do whatever you want with this file.
11 //
12 ///////////////////////////////////////////////////////////////////////////////
13 
14 #ifndef LZMA_LZMA_DECODER_H
15 #define LZMA_LZMA_DECODER_H
16 
17 #include "common.h"
18 
19 
20 /// Allocates and initializes LZMA decoder
21 extern lzma_ret lzma_lzma_decoder_init(lzma_next_coder *next,
22 		lzma_allocator *allocator, const lzma_filter_info *filters);
23 
24 extern uint64_t lzma_lzma_decoder_memusage(const void *options);
25 
26 extern lzma_ret lzma_lzma_props_decode(
27 		void **options, lzma_allocator *allocator,
28 		const uint8_t *props, size_t props_size);
29 
30 
31 /// \brief      Decodes the LZMA Properties byte (lc/lp/pb)
32 ///
33 /// \return     true if error occurred, false on success
34 ///
35 extern bool lzma_lzma_lclppb_decode(
36 		lzma_options_lzma *options, uint8_t byte);
37 
38 
39 #ifdef LZMA_LZ_DECODER_H
40 /// Allocate and setup function pointers only. This is used by LZMA1 and
41 /// LZMA2 decoders.
42 extern lzma_ret lzma_lzma_decoder_create(
43 		lzma_lz_decoder *lz, lzma_allocator *allocator,
44 		const void *opt, lzma_lz_options *lz_options);
45 
46 /// Gets memory usage without validating lc/lp/pb. This is used by LZMA2
47 /// decoder, because raw LZMA2 decoding doesn't need lc/lp/pb.
48 extern uint64_t lzma_lzma_decoder_memusage_nocheck(const void *options);
49 
50 #endif
51 
52 #endif
53