From fe83b772b6a50f6f67eb6abcf12943ea3ae7c222 Mon Sep 17 00:00:00 2001
From: mar <mar>
Date: Thu, 31 May 1990 14:29:27 +0000
Subject: [PATCH] possible NULL reference

---
 dcm/dcm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dcm/dcm.c b/dcm/dcm.c
index 802a9059..52fbfaa4 100644
--- a/dcm/dcm.c
+++ b/dcm/dcm.c
@@ -46,10 +46,12 @@ char *argv[];
 	int i;
 	char **arg = argv;
 	char *qargv[3];
+	char *s;
 	int status;
 
 	whoami = argv[0];
-	dbg = atoi(getenv("DEBUG"));
+	s = getenv("DEBUG");
+	dbg = s ? atoi(s) : 0;
 	umask(UMASK);
 	log_flags = 0;
 	setlinebuf(stderr);
-- 
2.45.1