JMA Support.

zsnes/src/jma/7zlzma.cpp

@@ -0,0 +1,46 @@
+/*
+Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
+
+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.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include "7z.h"
+
+#include "lzmadec.h"
+
+bool decompress_lzma_7z(const unsigned char* in_data, unsigned in_size, unsigned char* out_data, unsigned out_size) throw () {
+	try {
+		NCompress::NLZMA::CDecoder cc;
+
+		ISequentialInStream in(reinterpret_cast<const char*>(in_data), in_size);
+		ISequentialOutStream out(reinterpret_cast<char*>(out_data), out_size);
+
+		UINT64 in_size_l = in_size;
+		UINT64 out_size_l = out_size;
+
+		if (cc.ReadCoderProperties(&in) != S_OK)
+			return false;
+
+		if (cc.Code(&in, &out, &in_size_l, &out_size_l) != S_OK)
+			return false;
+
+		if (out.size_get() != out_size || out.overflow_get())
+			return false;
+
+		return true;
+	} catch (...) {
+		return false;
+	}
+}