src/liblzma/lzma/lzma_decoder.h

   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 lzma_options_lzma *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