userlibandfileserver/fileserver/sfat32/inc/sl_std.inl
changeset 6 0173bcd7697c
parent 0 a41df078684a
child 8 538db54a451d
--- a/userlibandfileserver/fileserver/sfat32/inc/sl_std.inl	Wed Dec 23 11:43:31 2009 +0000
+++ b/userlibandfileserver/fileserver/sfat32/inc/sl_std.inl	Thu Jan 07 13:38:45 2010 +0200
@@ -20,21 +20,6 @@
 
 
 
-TBool IsPowerOf2(TUint32 aVal)
-    {
-	if (aVal==0)
-		return EFalse;
-
-    return !(aVal & (aVal-1));
-    }
-
-TUint32 Pow2(TUint32 aVal)
-    {
-        //ASSERT(aVal<32);
-        return 1 << aVal;
-    }
-
-
 //---------------------------------------------------------------------------------------------------------------------------------
 // class TEntryPos
 TUint32 TEntryPos::Cluster() const 
@@ -253,9 +238,9 @@
     }
 
 
-TFatDriveInterface& CFatMountCB::DriveInterface() const 
+TDriveInterface& CFatMountCB::DriveInterface() const 
     {
-    return (TFatDriveInterface&)iDriverInterface; 
+    return (TDriveInterface&)iDriverInterface; 
     }
 
 const TFatConfig& CFatMountCB::FatConfig() const 
@@ -325,6 +310,34 @@
 	}
 
 
+/**
+    Checks for "EOC" for all Fat types
+    @param  aCluster FAT table entry (cluster number) to check
+    @return ETrue    if aCluster is a EOC for the FAT type being used by CFatMountCB
+*/
+TBool CFatMountCB::IsEndOfClusterCh(TInt aCluster) const
+	{
+    ASSERT(iFatEocCode);
+
+    if((TUint32)aCluster >= iFatEocCode)
+        return ETrue;
+
+    ASSERT((TUint32)aCluster <= iFatEocCode+7);
+
+	return EFalse;
+    }
+
+/**
+    Sets "End of Cluster Chain" value in aCluster depending on the FAT type.
+    @param aCluster cluster to set to end of chain marker
+*/
+void CFatMountCB::SetEndOfClusterCh(TInt &aCluster) const
+	{
+    ASSERT(iFatEocCode);
+    aCluster = iFatEocCode+7;
+	}
+
+
 //-------  debug methods
 #ifdef  _DEBUG
 /**
@@ -369,6 +382,9 @@
 #endif
 
 
+
+
+
 //---------------------------------------------------------------------------------------------------------------------------------
 // class CFatFormatCB
 
@@ -447,17 +463,6 @@
     return iFreeClusters;
     }
 
-TBool CFatTable::IsEof32Bit(TInt aCluster) const
-	{return(aCluster>=(TInt)0x0FFFFFF8 && aCluster<=(TInt)0x0FFFFFFF);} 
-
-TBool CFatTable::IsEof16Bit(TInt aCluster) const
-	{return(aCluster>=0xFFF8 && aCluster<=0xFFFF);}
-
-TBool CFatTable::IsEof12Bit(TInt aCluster) const
-	{return(aCluster>=0xFF8 && aCluster<=0xFFF);}
-
-TInt CFatTable::SectorSizeLog2() const
-	{return(iOwner->SectorSizeLog2());}
 
 //---------------------------------------------------------------------------------------------------------------------------------
 
@@ -483,6 +488,23 @@
 
 
 /**
+    Checks for "EOC" for all Fat types
+    @param  aCluster FAT table entry (cluster number) to check
+    @return ETrue    if aCluster is a EOC for the FAT type being used by CFatMountCB that owns the CFatTable
+*/
+inline TBool CFatTable::IsEndOfClusterCh(TUint32 aCluster) const
+    {
+    ASSERT(iFatEocCode);
+
+    if(aCluster >= iFatEocCode)
+        return ETrue;
+
+    ASSERT((TUint32)aCluster <= iFatEocCode+7);
+	return EFalse;
+    }
+
+
+/**
 @return Maximal number of addresable FAT entries. This value is taken from the owning mount
 */
 inline TUint32 CFatTable::MaxEntries() const
@@ -492,8 +514,8 @@
     }
 
 
-// class TFatDriveInterface
-TBool TFatDriveInterface::NotifyUser() const
+// class TDriveInterface
+TBool TDriveInterface::NotifyUser() const
 	{return(iMount->GetNotifyUser());}