Index: src/libcfa/memcheck.awk
===================================================================
--- src/libcfa/memcheck.awk	(revision 4b1fd2cefbf7ae0179f92c1487624683ab361409)
+++ src/libcfa/memcheck.awk	(revision 4b1fd2cefbf7ae0179f92c1487624683ab361409)
@@ -0,0 +1,26 @@
+#!/usr/bin/nawk -f
+
+BEGIN {
+	print "Freed but not allocated:"
+}
+
+/malloc/ {
+	alloc[ $2 ] = $3;
+}
+
+/free/ {
+	if ( $2 in alloc ) {
+		delete alloc[ $2 ];
+	} else {
+		print $2;
+	} # if
+}
+
+END {
+	print "Allocated but not freed:"
+	for ( i in alloc ) {
+		print i, alloc[ i ];
+		total += alloc[ i ]
+	} # for
+	print "total", total;
+}