From: north <devnull@localhost>
Date: Wed, 11 Mar 2009 01:00:24 +0000 (+0000)
Subject: fixed bug in handling self-edges in agnxtedge()
X-Git-Tag: LAST_LIBGRAPH~32^2~2294
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d66c6f123a383f97df2b62a84cdd7b7d3690a3f0;p=graphviz

fixed bug in handling self-edges in agnxtedge()
---

diff --git a/lib/cgraph/edge.c b/lib/cgraph/edge.c
index 98e45f1a5..5510cb6ba 100644
--- a/lib/cgraph/edge.c
+++ b/lib/cgraph/edge.c
@@ -91,12 +91,12 @@ Agedge_t *agnxtedge(Agraph_t * g, Agedge_t * e, Agnode_t * n)
 {
     Agedge_t *rv;
 
-    if (n == AGTAIL(e)) {
-	rv = agnxtout(g, e);
-	if (rv == NILedge)
-	    rv = agfstin(g, n);
+	if (AGTYPE(e) == AGOUTEDGE) {
+		rv = agnxtout(g, e);
+		if (rv == NILedge)
+			rv = agfstin(g, n);
     } else
-	rv = agnxtin(g, e);
+		rv = agnxtin(g, e);
     return rv;
 }