From 5764e29cdc5b7416c8b5f557ac69e945371fdbae Mon Sep 17 00:00:00 2001
From: ewt <devnull@localhost>
Date: Tue, 30 Jan 1996 04:12:58 +0000
Subject: [PATCH] fixed problem which could result in strdup(NULL)

CVS patchset: 252
CVS date: 1996/01/30 04:12:58
---
 lib/var.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/var.c b/lib/var.c
index 8d67cb78d..ce0cadca1 100644
--- a/lib/var.c
+++ b/lib/var.c
@@ -21,5 +21,9 @@ void setVar(int var, char *val)
 	return ;		/* XXX should we go harey carey here? */
    
     if (values[var]) free(values[var]);
-    values[var] = strdup(val);
+
+    if (val)
+	values[var] = strdup(val);
+    else
+	values[var] = NULL;
 }