diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/userlibandfileserver/fileserver/shostmassstorage/client/debug.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/kernelhwsrv/userlibandfileserver/fileserver/shostmassstorage/client/debug.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,78 @@
+// Copyright (c) 2008-2009 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 "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:
+//
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#ifndef DEBUG_H
+#define DEBUG_H
+
+#if (defined(_DEBUG) || defined(_DEBUG_RELEASE))
+#include <e32debug.h>
+#endif
+
+// #define _USBMS_DEBUG_PRINT_
+
+#if defined(_USBMS_DEBUG_PRINT_) && (defined(_DEBUG) || defined(_DEBUG_RELEASE))
+/** Trace - format string  */
+#define __PRINT(t) {RDebug::Print(t);}
+/** Trace - format string with 1 param */
+#define __PRINT1(t,a) {RDebug::Print(t,a);}
+/** Trace - format string with 2 params */
+#define __PRINT2(t,a,b) {RDebug::Print(t,a,b);}
+/** Trace - format string with 3 params */
+#define __PRINT3(t,a,b,c) {RDebug::Print(t,a,b,c);}
+/** Trace - format string with 4 params */
+#define __PRINT4(t,a,b,c,d) {RDebug::Print(t,a,b,c,d);}
+/** Trace - format string with 5 params */
+#define __PRINT5(t,a,b,c,d,e) {RDebug::Print(t,a,b,c,d,e);}
+
+
+_LIT(KMsgIn, ">>%S\n");
+_LIT(KMsgOut,"<<%S\n");
+
+class TMSLogFn
+{
+	protected:
+	TBuf<100> iName;
+
+	public:
+	TMSLogFn(const TDesC& aName){iName = aName; RDebug::Print(KMsgIn, &iName);};
+	~TMSLogFn(){RDebug::Print(KMsgOut, &iName);};
+};
+
+#define __FNLOG(name) TMSLogFn __fn_log__(_L(name))
+
+#else
+
+/** NULL definition */
+#define __PRINT(t)
+/** NULL definition */
+#define __PRINT1(t,a)
+/** NULL definition */
+#define __PRINT2(t,a,b)
+/** NULL definition */
+#define __PRINT3(t,a,b,c)
+/** NULL definition */
+#define __PRINT4(t,a,b,c,d)
+/** NULL definition */
+#define __PRINT5(t,a,b,c,d,e)
+/** NULL definition */
+#define __FNLOG(name)
+#endif
+
+#endif // DEBUG_H