lzma_decoder.h revision 292588 
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
21extern lzma_ret lzma_lzma_decoder_init(lzma_next_coder *next,
22		const lzma_allocator *allocator,
23		const lzma_filter_info *filters);
24
25extern uint64_t lzma_lzma_decoder_memusage(const void *options);
26
27extern 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///
36extern 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.
43extern 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.
49extern uint64_t lzma_lzma_decoder_memusage_nocheck(const void *options);
50
51#endif
52
53#endif
54