--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/dbms/sdbms/Sd_buf2.cpp	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,56 @@
+// Copyright (c) 2004-2009 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:
+// SD_BUF.CPP
+// HDbsBuf class - "DBMS security" related code only
+// 
+//
+
+#include "SD_STD.H"
+
+/**
+Standard phase-one factory method for HDbsBuf instances.
+@param aDbSession RDbs session instance.
+@param aFunction DBMS server function code. EDbsDatabaseList DBMS function code is only used.
+@param aArgs EDbsDatabaseList related set of arguments.
+@return A pointer to the created HDbsBuf instance.
+@leave One of the system-wide error codes, including KErrNoMemory.
+*/
+HDbsBuf* HDbsBuf::NewLC(const RDbs& aDbSession, TDbsFunction aFunction, TIpcArgs& aArgs)
+	{
+	HDbsBuf* self = new (ELeave) HDbsBuf;
+	self->PushL();
+	self->ConstructL(aDbSession, aFunction, aArgs);
+	return self;
+	}
+
+/**
+Standard phase-two construction method for HDbsBuf instances.
+@param aDbSession RDbs session instance.
+@param aFunction DBMS server function code. EDbsDatabaseList DBMS function code is only used.
+@param aArgs EDbsDatabaseList related set of arguments.
+@leave One of the system-wide error codes, including KErrNoMemory.
+*/
+void HDbsBuf::ConstructL(const RDbs& aDbSession, TDbsFunction aFunction, TIpcArgs& aArgs)
+	{
+	TPckg<TDbsStreamBuf> pckg(iBuf);
+	aArgs.Set(3, &pckg);
+	iIpc.OpenL(aDbSession, aFunction, aArgs);
+	TUint8* base = iBuf.iData;
+	// if reading we already have one buffer-full of data
+	TInt avail = Max(0, Min(iBuf.iExt, KDbsStreamBufSize));
+	SetBuf(ERead, base, base + avail);
+	SetPos(ERead, avail);
+	SetBuf(EWrite, base, base);
+	SetPos(EWrite, 0);
+	}