From 18cb13521840f678290b0a78d4e058c92795fabb Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Mon, 31 Mar 2014 21:32:31 +0000
Subject: [PATCH] Don't write into buffer if no arguments, reported by Filipe
 Rosset.

---
 cmd.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cmd.c b/cmd.c
index fe55109b..62f4c73d 100644
--- a/cmd.c
+++ b/cmd.c
@@ -139,6 +139,9 @@ cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
 	size_t	arglen;
 	int	i;
 
+	if (argc == 0)
+		return (0);
+
 	*buf = '\0';
 	for (i = 0; i < argc; i++) {
 		if (strlcpy(buf, argv[i], len) >= len)