Node.cpp: let plist_t operations free _node when in a container.

Fixes libimobiledevice/libplist#50.

1 files changed, 6 insertions, 1 deletions

diff --git a/src/Node.cpp b/src/Node.cpp
index aaadd52..3da401e 100644
--- a/src/Node.cpp
+++ b/src/Node.cpp
@@ -88,7 +88,12 @@ Node::Node(plist_type type, Node* parent) : _parent(parent)
 
 Node::~Node()
 {
-    plist_free(_node);
+        /* If the Node is in a container, let _node be cleaned up by
+         * operations on the parent plist_t. Otherwise, duplicate frees
+         * occur when a Node is removed from or replaced in a Dictionary.
+         */
+        if (_parent == NULL)
+                plist_free(_node);
     _node = NULL;
     _parent = NULL;
 }