added totalsizeoccupied stat

minimal_heap.h

@@ -68,15 +68,20 @@ typedef struct _MIHP_HeapConfig
 typedef struct _MIHP_HeapStats
 {
 	size_t 				NumMemoryAreas;
+
 	size_t 				NumTotalSegments;
 	size_t 				NumTotalOccupiedSegments;
+
 	size_t 				TotalSize;
+	size_t				TotalSizeOccupied;
 } MIHP_HeapStats;
 
 // This structs size must be multiple of 8
 typedef struct _MIHP_HeapMemoryAreaHeader
 {
 	size_t 							AreaSize;
+	size_t							AreaSizeOccupied;
+
 	size_t 							NumSegments;
 	size_t 							NumOccupiedSegments;