--- a/epoc32/include/ezstream.h	Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/ezstream.h	Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,72 @@
-ezstream.h
+// 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+// which accompanies this distribution, and is available
+// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// EZLib: ZSTREAM.H
+// 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