Free DTD nodes

DTD nodes added to a document are not freed when the document is freed. Fixes #1784
sparklemotion · Dec 1, 2018 · 5476f20 · 5476f20
1 parent 543968d
commit 5476f20
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/ext/nokogiri/xml_document.c b/ext/nokogiri/xml_document.c
@@ -9,6 +9,9 @@ static int dealloc_node_i(xmlNodePtr key, xmlNodePtr node, xmlDocPtr doc)
   case XML_NAMESPACE_DECL:
     xmlFreeNs((xmlNsPtr)node);
     break;
+  case XML_DTD_NODE:
+    xmlFreeDtd((xmlDtdPtr)node);
+    break;
   default:
     if(node->parent == NULL) {
       xmlAddChild((xmlNodePtr)doc, node);