anticipate failure from fdpLayout

Related to #1801.

diff --git a/lib/fdpgen/layout.c b/lib/fdpgen/layout.c
index 29246148090eb32b747ce3ab6c280dec9ff5c760..f7aace78a5519a085bb73eaf4658962f70d9f91f 100644 (file)
--- a/lib/fdpgen/layout.c
+++ b/lib/fdpgen/layout.c
@@ -1094,7 +1094,9 @@ void fdp_layout(graph_t * g)
     if (setjmp(jbuf)) {
        return;
     }
-    fdpLayout(g);
+    if (fdpLayout(g) != 0) {
+       return;
+    }
     neato_set_aspect(g);
 
     if (EDGE_TYPE(g) != ET_NONE) fdpSplines (g);