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 		const lzma_allocator *allocator,
23 		const lzma_filter_info *filters);
24 
25 extern uint64_t lzma_lzma_decoder_memusage(const void *options);
26 
27 extern lzma_ret lzma_lzma_props_decode(
28 		void **options, const lzma_allocator *allocator,
29 		const uint8_t *props, size_t props_size);
30 
31 
32 /// \brief      Decodes the LZMA Properties byte (lc/lp/pb)
33 ///
34 /// \return     true if error occurred, false on success
35 ///
36 extern bool lzma_lzma_lclppb_decode(
37 		lzma_options_lzma *options, uint8_t byte);
38 
39 
40 #ifdef LZMA_LZ_DECODER_H
41 /// Allocate and setup function pointers only. This is used by LZMA1 and
42 /// LZMA2 decoders.
43 extern lzma_ret lzma_lzma_decoder_create(
44 		lzma_lz_decoder *lz, const lzma_allocator *allocator,
45 		const void *opt, lzma_lz_options *lz_options);
46 
47 /// Gets memory usage without validating lc/lp/pb. This is used by LZMA2
48 /// decoder, because raw LZMA2 decoding doesn't need lc/lp/pb.
49 extern uint64_t lzma_lzma_decoder_memusage_nocheck(const void *options);
50 
51 #endif
52 
53 #endif
54