From: ceriel <none@none>
Date: Wed, 18 Jul 1990 14:38:48 +0000 (+0000)
Subject: prevent core dump when no args are given
X-Git-Tag: release-5-5~1646
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=3e279933610a9960ead4340daf3706143c17627b;p=ack.git

prevent core dump when no args are given
---

diff --git a/util/cmisc/mkdep.c b/util/cmisc/mkdep.c
index 382676949..0fa5c7e70 100644
--- a/util/cmisc/mkdep.c
+++ b/util/cmisc/mkdep.c
@@ -107,7 +107,7 @@ main(argc, argv)
 	int err = 0;
 
 	prog = *argv++;
-	if (**argv == '-') {
+	if (*argv && **argv == '-') {
 		char *opt = &(*argv++)[1];
 
 		if (*opt++ != 'd' || *opt) {