Modify agdelete to indicate an error if the object does not

belong to the graph

diff --git a/lib/cgraph/obj.c b/lib/cgraph/obj.c
index d83662997dec69428a30eb56fb400d85f377d187..ae0918b43137617d8d969ae085edb114a46a6b69 100755 (executable)
--- a/lib/cgraph/obj.c
+++ b/lib/cgraph/obj.c
@@ -15,8 +15,10 @@
 
 int agdelete(Agraph_t * g, void *obj)
 {
-    if ((AGTYPE((Agobj_t *) obj) == AGRAPH) && (g != agparent(obj)))
+    if ((AGTYPE((Agobj_t *) obj) == AGRAPH) && (g != agparent(obj))) {
        agerr(AGERR, "agdelete on wrong graph");
+       return FAILURE;
+    }
 
     switch (AGTYPE((Agobj_t *) obj)) {
     case AGNODE: