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authorArseny Kapoulkine <arseny.kapoulkine@gmail.com>2018-03-29 08:27:56 -0700
committerArseny Kapoulkine <arseny.kapoulkine@gmail.com>2018-03-29 08:27:56 -0700
commit951f1ed4ed642faf8b390a5ad910eb840c992553 (patch)
tree22261c059df58c3d346cf4ffc97053b5be2b40f6 /src
parentcec32da2b5ea03066baff55810f7e8f30960b10d (diff)
Add a comment to clarify subtle branch in node_copy_tree
Diffstat (limited to 'src')
-rw-r--r--src/pugixml.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/pugixml.cpp b/src/pugixml.cpp
index bf3346b..d140425 100644
--- a/src/pugixml.cpp
+++ b/src/pugixml.cpp
@@ -4423,6 +4423,7 @@ PUGI__NS_BEGIN
while (sit && sit != sn)
{
+ // when a tree is copied into one of the descendants, we need to skip that subtree to avoid an infinite loop
if (sit != dn)
{
xml_node_struct* copy = append_new_node(dit, alloc, PUGI__NODETYPE(sit));