release/src-rt-6.x.4708/tools/misc/xz/debug/memusage.c

   1 ///////////////////////////////////////////////////////////////////////////////
   2 //
   3 /// \file       memusage.c
   4 /// \brief      Calculates memory usage using lzma_memory_usage()
   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 "sysdefs.h"
  14 #include "lzma.h"
  15 #include <stdio.h>
  16
  17 int
  18 main(void)
  19 {
  20         lzma_options_lzma lzma = {
  21                 .dict_size = (1U << 30) + (1U << 29),
  22                 .lc = 3,
  23                 .lp = 0,
  24                 .pb = 2,
  25                 .preset_dict = NULL,
  26                 .preset_dict_size = 0,
  27                 .mode = LZMA_MODE_NORMAL,
  28                 .nice_len = 48,
  29                 .mf = LZMA_MF_BT4,
  30                 .depth = 0,
  31         };
  32
  33 /*
  34         lzma_options_filter filters[] = {
  35                 { LZMA_FILTER_LZMA1,
  36                         (lzma_options_lzma *)&lzma_preset_lzma[6 - 1] },
  37                 { UINT64_MAX, NULL }
  38         };
  39 */
  40         lzma_filter filters[] = {
  41                 { LZMA_FILTER_LZMA1, &lzma },
  42                 { UINT64_MAX, NULL }
  43         };
  44
  45         printf("Encoder: %10" PRIu64 " B\n",
  46                         lzma_raw_encoder_memusage(filters));
  47         printf("Decoder: %10" PRIu64 " B\n",
  48                         lzma_raw_decoder_memusage(filters));
  49
  50         return 0;
  51 }