diff -r 6ca72c0fe49a -r a941bc465d9f wvuing/Utils/CAVersion.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/Utils/CAVersion.cpp	Wed Sep 01 12:31:13 2010 +0100
@@ -0,0 +1,127 @@
+/*
+* Copyright (c) 2004 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:  Version provider for IM.
+*
+*/
+
+
+#include "CAVersion.h"
+#include "ChatDebugPrint.h"
+
+#include <f32file.h>
+#include <pathinfo.h>
+
+
+// CONSTANTS
+const TInt KChatVersionBuffer = 1024;
+const TInt KDriveAndColon = 2;
+
+// ---------------------------------------------------------
+// CAVersion::UpdateVersion
+// ---------------------------------------------------------
+//
+TInt CAVersion::UpdateVersion( RFs& aFs
+                               , const TDesC& aOwnVersionFile
+                               , const TDesC& aTargetFile )
+    {
+    CHAT_DP( D_CHAT_LIT( "CAVersion::UpdateVersion %S %S" ), &aOwnVersionFile,
+             &aTargetFile );
+
+    // Get ROM and C drives
+    TBuf<KDriveAndColon> romDrive;
+    TBuf<KDriveAndColon> cDrive;
+    romDrive = PathInfo::RomRootPath().Left( KDriveAndColon );
+    cDrive = PathInfo::PhoneMemoryRootPath().Left( KDriveAndColon );
+
+    // Construct full path for private version file
+    TFileName ownVersionFile;
+    aFs.PrivatePath( ownVersionFile );
+    ownVersionFile.Insert( 0, romDrive );
+    ownVersionFile.Append( aOwnVersionFile );
+
+    // Append drive to published version file
+    TFileName targetFile;
+    targetFile.Append( cDrive );
+    targetFile.Append( aTargetFile );
+
+    if ( ownVersionFile.Compare( targetFile ) == KErrNone )
+        {
+        //nothing to do
+        return KErrNone;
+        }
+
+    TBuf8< KChatVersionBuffer > myBuffer;
+    myBuffer.Zero();
+
+    TInt err( KErrNone );
+
+    RFile myInputFile;
+    RFile myOutputFile;
+
+    err = myInputFile.Open( aFs, ownVersionFile, EFileRead );
+
+    if ( !err )
+        {
+        err = myOutputFile.Replace( aFs, targetFile, EFileWrite );
+        }
+#ifdef _DEBUG
+    else
+        {
+        CHAT_DP( D_CHAT_LIT( "CAVersion::UpdateVersion Open %d" ), err );
+        }
+#endif
+
+    if ( !err )
+        {
+        TBool more( ETrue );
+        while ( !err && more )
+            {
+            err = myInputFile.Read( myBuffer, KChatVersionBuffer );
+            if ( !myBuffer.Length() )
+                {
+                more = EFalse;
+                }
+            if ( !err )
+                {
+                err = myOutputFile.Write( myBuffer );
+                }
+#ifdef _DEBUG
+            else
+                {
+                CHAT_DP( D_CHAT_LIT( "CAVersion::UpdateVersion Read %d" ),
+                         err );
+                }
+
+            if ( err )
+                {
+                CHAT_DP( D_CHAT_LIT( "CAVersion::UpdateVersion Write %d" ),
+                         err );
+                }
+#endif
+            }
+        }
+#ifdef _DEBUG
+    else
+        {
+        CHAT_DP( D_CHAT_LIT( "CAVersion::UpdateVersion Replace %d" ), err );
+        }
+#endif
+
+    myInputFile.Close();
+    myOutputFile.Close();
+
+    return err;
+    }
+
+// End of file