From 85fc5b73f9cee4bb0fb30eb069b2b27d0936d87a Mon Sep 17 00:00:00 2001
From: Eric Gallager <egall@gwmail.gwu.edu>
Date: Fri, 12 Apr 2024 18:08:06 -0400
Subject: [PATCH] Update raptor_uri.c

check for potential null pointer dereference; see dajobe/raptor#66
(untested)
---
 src/raptor_uri.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/raptor_uri.c b/src/raptor_uri.c
index 53768e72..e993ed94 100644
--- a/src/raptor_uri.c
+++ b/src/raptor_uri.c
@@ -496,7 +496,7 @@ raptor_free_uri(raptor_uri *uri)
   }
 
   /* this does not free the uri */
-  if(uri->world->uris_tree)
+  if(uri->world && uri->world->uris_tree)
     raptor_avltree_delete(uri->world->uris_tree, uri);
 
   if(uri->string)