From 88983b079b234b1f71ba02106148dd2f91b693bf Mon Sep 17 00:00:00 2001
From: rlar <rlar>
Date: Mon, 21 Mar 2016 15:11:50 +0100
Subject: [PATCH] numparam/spicenum.c, prevent memory access beyond end of
 string

---
 src/frontend/numparam/spicenum.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/frontend/numparam/spicenum.c b/src/frontend/numparam/spicenum.c
index 64cfec0c8..a2ec85439 100644
--- a/src/frontend/numparam/spicenum.c
+++ b/src/frontend/numparam/spicenum.c
@@ -831,7 +831,7 @@ nupa_eval(char *s, int linenum, int orig_linenum)
     } else if (c == 'X') {
         /* compute args of subcircuit, if required */
         ptr = s;
-        while (!isspace_c(*ptr))
+        while (*ptr && !isspace_c(*ptr))
             ptr++;
         keep = *ptr;
         *ptr = '\0';