From d21701afe4230d633ae685ffeee6f5fb5a76f34d Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sat, 27 Jun 2020 11:37:27 +0200
Subject: Check for existing ids in the tree when creating a new node.

---
 src/nodetree.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/nodetree.cc')

diff --git a/src/nodetree.cc b/src/nodetree.cc
index eac919e..a2499ea 100644
--- a/src/nodetree.cc
+++ b/src/nodetree.cc
@@ -101,11 +101,16 @@ nodeid_t NodeTree::createId()
 	{
 		nodeid = nextid++;
 	}
-	while(id2node.find(nodeid) != id2node.end());
+	while(hasId(nodeid));
 
 	return nodeid;
 }
 
+bool NodeTree::hasId(nodeid_t nodeid)
+{
+	return id2node.find(nodeid) != id2node.end();
+}
+
 static nodeid_t rootid = -1;
 
 NodeIdList NodeTree::insertAsChild(nodeid_t parentid, nodeid_t id,
-- 
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