| commit | 43fc643b75af91363eb1246528c706c1654ddc2e | [log] [tgz] |
|---|---|---|
| author | Jeff King <peff@peff.net> | Fri May 11 14:02:27 2018 -0400 |
| committer | Junio C Hamano <gitster@pobox.com> | Sun May 13 11:23:59 2018 +0900 |
| tree | 405c4d4b7c6e16ec2cabbd276541bf4b2e7a33d1 | |
| parent | 577dd0d29bf7cbbdf1f00c20a90caac50b1c603f [diff] |
mark_parents_uninteresting(): replace list with stack The mark_parents_uninteresting() function uses two loops: an outer one to process our queue of pending parents, and an inner one to process first-parent chains. This is a clever optimization from 941ba8db57 (Eliminate recursion in setting/clearing marks in commit list, 2012-01-14) to limit the number of linked-list allocations when following single-parent chains. Unfortunately, this makes the result a little hard to read. Let's replace the list with a stack. Then we don't have to worry about doing this double-loop optimization, as we'll just reuse the top element of the stack as we pop/push. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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