Minor changes to path caching.

2002-02-28 14:37:00 +00:00
parent cc01f99acb
commit cc3d7ddee5
1 changed files with 2 additions and 1 deletions
--- a/simgear/misc/props.cxx
+++ b/simgear/misc/props.cxx
@@ -1338,7 +1338,8 @@ SGPropertyNode::getNode (const string &relative_path, bool create)
    vector<PathComponent> components;
    parse_path(relative_path, components);
    result = find_node(this, components, 0, create);
-    (*_path_cache)[relative_path] = result;
+    if (result != 0)
+      (*_path_cache)[relative_path] = result;
  }
  
  return result;