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-rw-r--r--debug/memusage.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/debug/memusage.c b/debug/memusage.c
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+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file memusage.c
+/// \brief Calculates memory usage using lzma_memory_usage()
+///
+// Copyright (C) 2008 Lasse Collin
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include "sysdefs.h"
+#include <stdio.h>
+
+int
+main(void)
+{
+
+ lzma_options_lzma lzma = {
+ .dictionary_size = (1 << 27) + (1 << 26),
+ .literal_context_bits = 3,
+ .literal_pos_bits = 0,
+ .pos_bits = 2,
+ .preset_dictionary = NULL,
+ .preset_dictionary_size = 0,
+ .mode = LZMA_MODE_BEST,
+ .fast_bytes = 48,
+ .match_finder = LZMA_MF_BT4,
+ .match_finder_cycles = 0,
+ };
+
+/*
+ lzma_options_filter filters[] = {
+ { LZMA_FILTER_LZMA,
+ (lzma_options_lzma *)&lzma_preset_lzma[6 - 1] },
+ { UINT64_MAX, NULL }
+ };
+*/
+ lzma_options_filter filters[] = {
+ { LZMA_FILTER_LZMA, &lzma },
+ { UINT64_MAX, NULL }
+ };
+
+ printf("%u MiB\n", lzma_memory_usage(filters, true));
+
+ return 0;
+}