From 207adefcda32cb7cb87dae3caf4ac381d46ef104 Mon Sep 17 00:00:00 2001
From: h_vogt <h_vogt>
Date: Mon, 30 Jul 2012 23:32:54 +0200
Subject: [PATCH] evtprint.c: no node data: error message instead of seg fault

---
 src/xspice/evt/evtprint.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/xspice/evt/evtprint.c b/src/xspice/evt/evtprint.c
index 229665e6d..b40837063 100644
--- a/src/xspice/evt/evtprint.c
+++ b/src/xspice/evt/evtprint.c
@@ -158,7 +158,12 @@ void EVTprint(
             return;
         }
         udn_index[i] = node_table[node_index[i]]->udn_index;
-        node_data[i] = ckt->evt->data.node->head[node_index[i]];
+        if (ckt->evt->data.node)
+            node_data[i] = ckt->evt->data.node->head[node_index[i]];
+        else  {
+            printf("ERROR - No node data: simulation not yet run?\n");
+            return;
+        }
         node_value[i] = "";
         w = w->wl_next;
     }