From: Mukund Sivaraman <muks@isc.org>
Date: Fri, 20 Jul 2012 05:34:17 +0000 (+0530)
Subject: [2092] Restore subtree root flag after node fission
X-Git-Tag: trac2351_base~158^2^2~10
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3bdd3af49ba988672eb7b3db05e501d2fd94bbaf;p=thirdparty%2Fkea.git

[2092] Restore subtree root flag after node fission
---

diff --git a/src/lib/datasrc/rbtree.h b/src/lib/datasrc/rbtree.h
index 403edd0956..2ea63442f2 100644
--- a/src/lib/datasrc/rbtree.h
+++ b/src/lib/datasrc/rbtree.h
@@ -1509,8 +1509,10 @@ RBTree<T>::nodeFission(RBNode<T>& node, const isc::dns::Name& base_name) {
     // the rest of this function should be exception free so that it keeps
     // consistent behavior (i.e., a weak form of strong exception guarantee)
     // even if code after the call to this function throws an exception.
+    bool is_root = node.isSubTreeRoot();
     std::swap(node.data_, down_node->data_);
     std::swap(node.flags_, down_node->flags_);
+    node.setSubTreeRoot(is_root);
 
     down_node->down_ = node.getDown();