integrate lzma

[zpackage] / lzma / common / easy_preset.c

diff --git a/lzma/common/easy_preset.c b/lzma/common/easy_preset.c
new file mode 100644 (file)
index 0000000..2f98598
--- /dev/null
+++ b/lzma/common/easy_preset.c
@@ -0,0 +1,27 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file       easy_preset.c
+/// \brief      Preset handling for easy encoder and decoder
+//
+//  Author:     Lasse Collin
+//
+//  This file has been put into the public domain.
+//  You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include "easy_preset.h"
+
+
+extern bool
+lzma_easy_preset(lzma_options_easy *opt_easy, uint32_t preset)
+{
+       if (lzma_lzma_preset(&opt_easy->opt_lzma, preset))
+               return true;
+
+       opt_easy->filters[0].id = LZMA_FILTER_LZMA2;
+       opt_easy->filters[0].options = &opt_easy->opt_lzma;
+       opt_easy->filters[1].id = LZMA_VLI_UNKNOWN;
+
+       return false;
+}