--- a/paraspace/injection.py	Mon Jul 25 13:23:02 2011 +0800
+++ b/paraspace/injection.py	Mon Jul 25 14:22:08 2011 +0800
@@ -175,9 +175,19 @@
         raise RuntimeError, \
             'clone a class \'%s\'that is already in the DEXFile' % \
             classdef_name(clazz)
-    pass
+    
+    clone = visit_log[id(obj)]
+    return clone
 
 
+## \brief Clone a class definition and insert into a DEXFile.
+#
+# This function clone a class definition from a linked DEXFile and
+# insert it into another one.
+#
+# \param dex is a DEXFile_linked to insert the clone.
+# \param class_def is a class definition going to be cloned.
+#
 def dexfile_insert_class(dex, class_def):
-    _clone_classdef(dex, class_def)
-    pass
+    clone = _clone_classdef(dex, class_def)
+    return clone