From: David Given <dg@cowlark.com>
Date: Sat, 21 Jan 2017 19:50:47 +0000 (+0100)
Subject: The degree of missing vertices is now always 0.
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=9c7310f1079f86e67c173782c93e86604997d17b;p=ack.git

The degree of missing vertices is now always 0.
---

diff --git a/modules/src/data/bigraph.c b/modules/src/data/bigraph.c
index 7f44ee07a..5b7232f1f 100644
--- a/modules/src/data/bigraph.c
+++ b/modules/src/data/bigraph.c
@@ -227,7 +227,8 @@ int graph_get_vertex_degree(struct graph* g, void* data)
 
     lazy_init(g);
     vertex = hashtable_get(&g->vertices, data);
-    assert(vertex);
+    if (!vertex)
+        return 0;
     return vertex->degree;
 }