user/dev discussion of public-inbox itself
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* [PATCH 1/2] searchthread: update comment about loop prevention
       [not found] <20161221073607.32236-1-e@80x24.org>
@ 2016-12-21  7:36 ` Eric Wong
  0 siblings, 0 replies; 1+ messages in thread
From: Eric Wong @ 2016-12-21  7:36 UTC (permalink / raw)
  To: meta

It definitely is necessary to prevent looping with the
%seen hash.
---
 lib/PublicInbox/SearchThread.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PublicInbox/SearchThread.pm b/lib/PublicInbox/SearchThread.pm
index 601a84b..fafe7d7 100644
--- a/lib/PublicInbox/SearchThread.pm
+++ b/lib/PublicInbox/SearchThread.pm
@@ -129,7 +129,7 @@ sub add_child {
 
 sub has_descendent {
 	my ($self, $child) = @_;
-	my %seen; # loop prevention XXX may not be necessary
+	my %seen; # loop prevention
 	while ($child) {
 		return 1 if $self == $child || $seen{$child}++;
 		$child = $child->{parent};
-- 
EW


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     [not found] <20161221073607.32236-1-e@80x24.org>
2016-12-21  7:36 ` [PATCH 1/2] searchthread: update comment about loop prevention Eric Wong

user/dev discussion of public-inbox itself

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