From 1a2477bdcc7cbf34610fce425413c639f0c68342 Mon Sep 17 00:00:00 2001
From: rlar <rlar>
Date: Mon, 6 Aug 2012 19:42:49 +0200
Subject: [PATCH] avoid `meas' syntax error causing segfault

Invalid meas crashes ngspice with SIGSEV - ID: 3554330
http://sourceforge.net/tracker/?func=detail&aid=3554330&group_id=38962&atid=423915
---
 src/frontend/measure.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/frontend/measure.c b/src/frontend/measure.c
index e48a4b3c2..909480c7a 100644
--- a/src/frontend/measure.c
+++ b/src/frontend/measure.c
@@ -118,6 +118,12 @@ com_meas(wordlist *wl)
 
     /* get output var name */
     wl_count = wl_count->wl_next;
+    if (!wl_count) {
+        fprintf(stdout,
+                " meas %s failed!\n"
+                "   unspecified output var name\n\n", line_in);
+        return;
+    }
     outvar = wl_count->wl_word;
 
     fail = get_measure2(wl, &result, NULL, FALSE) ;