diff -r 2d65c2f76d7b -r 947f0dc9f7a8 userlibandfileserver/fileserver/sfat32/ram_fat_table32.cpp
--- a/userlibandfileserver/fileserver/sfat32/ram_fat_table32.cpp	Tue Feb 02 01:24:03 2010 +0200
+++ b/userlibandfileserver/fileserver/sfat32/ram_fat_table32.cpp	Fri Apr 16 16:24:37 2010 +0300
@@ -287,7 +287,7 @@
 
 /**
     Copy memory with filling the source buffer with zeroes. Target and source buffers can overlap.
-    Used on RAMDrive srinking in order to wipe data from the file that is being deleted.
+    Used on RAMDrive shrinking in order to wipe data from the file that is being deleted.
     
     @param   aTrg       pointer to the target address
     @param   aSrc       pointer to the destination address
@@ -391,7 +391,7 @@
     
     if (aNumber>1)
 	    {//-- if this part leaves (e.g. fail to expand the RAM drive), we will need to handle the first allocated EOC
-    	TRAPD(nRes, ExtendClusterListL(aNumber-1, (TInt&)aNearestCluster));
+    	TRAPD(nRes, ExtendClusterListL(aNumber-1, aNearestCluster));
         if(nRes != KErrNone)
             {
             __PRINT1(_L("CRamFatTable::AllocateClusterListL:ExtendClusterListL() failed with %d") ,nRes);
@@ -431,7 +431,7 @@
     @param aCluster     starting cluster number / ending cluster number after
     @leave KErrDiskFull + system wide error codes
 */
-void CRamFatTable::ExtendClusterListL(TUint32 aNumber, TInt& aCluster)
+void CRamFatTable::ExtendClusterListL(TUint32 aNumber, TUint32& aCluster)
     {
     __PRINT2(_L("CRamFatTable::ExtendClusterListL(%d, %d)"), aNumber, aCluster);
     __ASSERT_DEBUG(aNumber>0,Fault(EFatBadParameter));
@@ -479,8 +479,8 @@
         return; // File has no cluster allocated
 
     const TInt clusterShift=iOwner->ClusterSizeLog2();
-    TInt startCluster=aCluster;
-    TInt endCluster=0;
+    TUint32 startCluster=aCluster;
+    TUint32 endCluster=0;
     TInt totalFreed=0;
     TLinAddr srcEnd=0;
 
@@ -628,5 +628,27 @@
 #endif
     }
 
+TUint32 CRamFatTable::CountContiguousClustersL(TUint32 aStartCluster, TUint32& aEndCluster, TUint32 aMaxCount) const
+	{
+	__PRINT2(_L("CRamFatTable::CountContiguousClustersL() start:%d, max:%d"),aStartCluster, aMaxCount);
+	TUint32 clusterListLen=1;
+	TUint32 endCluster=aStartCluster;
+	TInt64 endClusterPos=DataPositionInBytes(endCluster);
+	while (clusterListLen<aMaxCount)
+		{
+		TInt oldCluster=endCluster;
+		TInt64 oldClusterPos=endClusterPos;
+		if (GetNextClusterL(endCluster)==EFalse || (endClusterPos=DataPositionInBytes(endCluster))!=(oldClusterPos+(1<<iOwner->ClusterSizeLog2())))
+			{
+			endCluster=oldCluster;
+			break;
+			}
+		clusterListLen++;
+		}
+	aEndCluster=endCluster;
+	
+    return(clusterListLen);
+    }
 
 
+