diff -r 000000000000 -r e4d67989cc36 compressionlibs/ziplib/inc/ezstream.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/compressionlibs/ziplib/inc/ezstream.h	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,71 @@
+// Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Declaration for CEZStream class.  
+// 
+//
+
+#ifndef __EZZSTREAM_H__
+#define __EZZSTREAM_H__
+
+#include <e32base.h>
+#include <ezlib.h> 
+#include <ezliberrorcodes.h>
+
+/**
+Represents a zip stream
+
+@publishedAll
+@released
+*/
+class CEZZStream : public CBase
+	{
+public:
+/** stream panic values */
+	enum 
+		{
+		EStreamError = -Z_STREAM_ERROR,
+		EDataError = -Z_DATA_ERROR,
+		EBufError = -Z_BUF_ERROR,
+		EVersionError = -Z_VERSION_ERROR,
+		EUnexpected
+		};
+public:
+	IMPORT_C void SetInput(const TDesC8& aInputData);
+	IMPORT_C void SetOutput(TDes8& aOutputData);
+
+	IMPORT_C TPtrC8 OutputDescriptor() const;
+	IMPORT_C TInt TotalOut() const;
+	IMPORT_C TInt TotalIn() const;
+	IMPORT_C TInt32 Adler32() const;
+	IMPORT_C TInt AvailIn() const;
+	IMPORT_C TInt AvailOut() const;
+
+	IMPORT_C TInt Progress(TInt aTotalLength) const;
+	
+protected:
+	CEZZStream();
+
+	
+protected:
+	z_stream iStream;
+
+	// This pointer is reset every time SetOutput is called.  It maintains a pointer to the
+	// start of the output buffer which is being written to.  We cannot use iStream.next_out,
+	// because zlib will modifify this during its deflate and inflate.
+	
+	TUint8* iOutputPointer;
+	TInt iOutputBufferLength;
+	};
+
+#endif