release/src-rt-6.x.4708/tools/misc/xz/src/liblzma/common/easy_decoder_memusage.c

   1 ///////////////////////////////////////////////////////////////////////////////
   2 //
   3 /// \file       easy_decoder_memusage.c
   4 /// \brief      Decoder memory usage calculation to match easy encoder presets
   5 //
   6 //  Author:     Lasse Collin
   7 //
   8 //  This file has been put into the public domain.
   9 //  You can do whatever you want with this file.
  10 //
  11 ///////////////////////////////////////////////////////////////////////////////
  12
  13 #include "easy_preset.h"
  14
  15
  16 extern LZMA_API(uint64_t)
  17 lzma_easy_decoder_memusage(uint32_t preset)
  18 {
  19         lzma_options_easy opt_easy;
  20         if (lzma_easy_preset(&opt_easy, preset))
  21                 return UINT32_MAX;
  22
  23         return lzma_raw_decoder_memusage(opt_easy.filters);
  24 }