From: Emden R. Gansner <erg@alum.mit.edu>
Date: Fri, 25 Jul 2014 20:27:17 +0000 (-0400)
Subject: Fix bug in nexthead and nexttail functions
X-Git-Tag: TRAVIS_CI_BUILD_EXPERIMENTAL~191
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=51722b911b05f7735f98920fbc233b1a061dd4ee;p=graphviz

Fix bug in nexthead and nexttail functions
---

diff --git a/tclpkg/gv/gv.cpp b/tclpkg/gv/gv.cpp
index f2d9669b9..8612885e3 100644
--- a/tclpkg/gv/gv.cpp
+++ b/tclpkg/gv/gv.cpp
@@ -584,7 +584,7 @@ Agnode_t *nexthead(Agnode_t *n, Agnode_t *h)
     if (!e)
         return NULL;
     do {
-        e = agnxtout(g, e);
+        e = agnxtout(g, AGMKOUT(e));
         if (!e)
             return NULL;
     } while (aghead(e) == h);
@@ -671,7 +671,7 @@ Agnode_t *nexttail(Agnode_t *n, Agnode_t *t)
     if (!e)
         return NULL;
     do {
-        e = agnxtin(g, e);
+        e = agnxtin(g, AGMKIN(e));
         if (!e)
             return NULL;
     } while (agtail(e) == t);