On Sat, Jan 14, 2012 at 07:19:53PM +0700, Nguyễn Thái Ngọc Duy wrote:
quoted
Recursion in a DAG is generally a bad idea because it could be very
deep. Be defensive and avoid recursion in mark_parents_uninteresting()
and clear_commit_marks().
mark_parents_uninteresting() learns a trick from clear_commit_marks()
to avoid malloc() in (dorminant) single-parent case.