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-rw-r--r--src/liblzma/common/easy_decoder_memusage.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/liblzma/common/easy_decoder_memusage.c b/src/liblzma/common/easy_decoder_memusage.c
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+++ b/src/liblzma/common/easy_decoder_memusage.c
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+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file easy_decoder_memusage.c
+/// \brief Decoder memory usage calculation to match easy encoder presets
+//
+// 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 "easy_preset.h"
+
+
+extern LZMA_API(uint64_t)
+lzma_easy_decoder_memusage(uint32_t preset)
+{
+ lzma_options_easy opt_easy;
+ if (lzma_easy_preset(&opt_easy, preset))
+ return UINT32_MAX;
+
+ return lzma_raw_decoder_memusage(opt_easy.filters);
+}