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diff --git a/heimdall-frontend/source/GZipFile.h b/heimdall-frontend/source/GZipFile.h
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+++ b/heimdall-frontend/source/GZipFile.h
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+/* Copyright (c) 2010-2014 Benjamin Dobell, Glass Echidna
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.*/
+
+#ifndef GZIPFILE_H
+#define GZIPFILE_H
+
+// Qt
+#include <QFile>
+#include <qglobal.h>
+
+// zlib
+#include "zlib.h"
+
+namespace HeimdallFrontend
+{
+	class GZipFile
+	{
+		public:
+
+			enum Mode
+			{
+				ReadOnly = 0,
+				WriteOnly
+			};
+
+		private:
+
+			QFile file;
+			gzFile gzFile;
+
+			bool temporary;
+
+		public:
+
+			GZipFile(const QString& path);
+			~GZipFile();
+
+			bool Open(Mode mode);
+			void Close();
+
+			int Read(void *buffer, int length);
+			bool Write(void *buffer, int length);
+
+			qint64 Offset() const;
+
+			bool IsTemporary() const
+			{
+				return temporary;
+			}
+
+			// Delete the file when we go out of scope?
+			void SetTemporary(bool temporary)
+			{
+				this->temporary = temporary;
+			}
+
+			qint64 Size() const
+			{
+				return file.size();
+			}
+	};
+}
+
+#endif