bctbx_iterator_ullong_get_next always return its input
return a newly allocated memory buffer instead.
changes modeled after bctbx_map_begin_type<T>
Index: bctoolbox-5.1.17/src/containers/map.cc
===================================================================
--- bctoolbox-5.1.17.orig/src/containers/map.cc
+++ bctoolbox-5.1.17/src/containers/map.cc
@@ -229,12 +229,16 @@ extern "C" bctbx_iterator_t *bctbx_itera
 	return bctbx_iterator_get_next_type<mmap_cchar_t>(it);
 }
 extern "C" bctbx_iterator_t *bctbx_iterator_ullong_get_next_and_delete(bctbx_iterator_t *it) {
+	typedef mmap_ullong_t::iterator iterator;
 	bctbx_iterator_t *next = bctbx_iterator_ullong_get_next(it);
+	next = (bctbx_iterator_t *)(new iterator(*((iterator *)(next))));
 	bctbx_iterator_ullong_delete(it);
 	return next;
 }
 extern "C" bctbx_iterator_t *bctbx_iterator_cchar_get_next_and_delete(bctbx_iterator_t *it) {
+	typedef mmap_cchar_t::iterator iterator;
 	bctbx_iterator_t *next = bctbx_iterator_cchar_get_next(it);
+	next = (bctbx_iterator_t *)(new iterator(*((iterator *)(next))));
 	bctbx_iterator_cchar_delete(it);
 	return next;
 }
