From: erg <devnull@localhost>
Date: Mon, 12 Nov 2007 22:25:14 +0000 (+0000)
Subject: Fix bug when mode=ipsep: overlap mode function requires non-NULL string
X-Git-Tag: LAST_LIBGRAPH~32^2~5034
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=80ff26e2285d702b861156335c2ccfa18fd6503d;p=graphviz

Fix bug when mode=ipsep: overlap mode function requires non-NULL string
---

diff --git a/lib/neatogen/adjust.c b/lib/neatogen/adjust.c
index 6b84afa43..fcd7951c3 100644
--- a/lib/neatogen/adjust.c
+++ b/lib/neatogen/adjust.c
@@ -722,7 +722,8 @@ static adjust_data *getAdjustMode(char *s)
 
 adjust_data *graphAdjustMode(graph_t *G)
 {
-    return (getAdjustMode (agget(G, "overlap")));
+    char* am = agget(G, "overlap");
+    return (getAdjustMode (am ? am : ""));
 }
 
 /* removeOverlapAs: