Index: libcfa/src/heap.cfa
===================================================================
--- libcfa/src/heap.cfa	(revision 527acfcbdd2e4856c0e36daf93b4dff8066f520b)
+++ libcfa/src/heap.cfa	(revision 849fb3703b7c4fc7518b47008ebdcb4762ca5e49)
@@ -10,6 +10,6 @@
 // Created On       : Tue Dec 19 21:58:35 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Sat Jun 13 22:42:15 2020
-// Update Count     : 805
+// Last Modified On : Sun Jul 19 17:37:21 2020
+// Update Count     : 806
 //
 
@@ -1098,5 +1098,5 @@
 	// Returns original total allocation size (not bucket size) => array size is dimension * sizeif(T).
 	size_t malloc_size( void * addr ) {
-	  if ( unlikely( addr == 0p ) ) return false;		// null allocation is not zero fill
+	  if ( unlikely( addr == 0p ) ) return 0;			// null allocation has zero size
 		HeapManager.Storage.Header * header = headerAddr( addr );
 		if ( (header->kind.fake.alignment & 1) == 1 ) { // fake header ?
@@ -1108,5 +1108,5 @@
 	// Set allocation size and return previous size.
 	size_t $malloc_size_set( void * addr, size_t size ) {
-	  if ( unlikely( addr == 0p ) ) return false;		// null allocation is not zero fill
+	  if ( unlikely( addr == 0p ) ) return 0;			// null allocation has 0 size
 		HeapManager.Storage.Header * header = headerAddr( addr );
 		if ( (header->kind.fake.alignment & 1) == 1 ) { // fake header ?