- djm@cvs.openbsd.org 2013/02/08 00:41:12
     [sftp.c]
     fix NULL deref when built without libedit and control characters
     entered as command; debugging and patch from Iain Morgan an
     Loganaden Velvindron in bz#1956
diff --git a/sftp.c b/sftp.c
index 6516d1f..9a53b12 100644
--- a/sftp.c
+++ b/sftp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sftp.c,v 1.141 2012/10/05 12:34:39 markus Exp $ */
+/* $OpenBSD: sftp.c,v 1.142 2013/02/08 00:41:12 djm Exp $ */
 /*
  * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
  *
@@ -1145,7 +1145,7 @@
 
 	/* Figure out which command we have */
 	for (i = 0; cmds[i].c != NULL; i++) {
-		if (strcasecmp(cmds[i].c, argv[0]) == 0)
+		if (argv[0] != NULL && strcasecmp(cmds[i].c, argv[0]) == 0)
 			break;
 	}
 	cmdnum = cmds[i].n;