Don't write into buffer if no arguments, reported by Filipe Rosset.

2014-02-26 21:42:59 +00:00 · 2014-02-26 21:42:59 +00:00 · 0bb9d51965
parent 6d9f936ff2
commit 0bb9d51965
1 changed files with 3 additions and 0 deletions
--- a/cmd.c
+++ b/cmd.c
@ -138,6 +138,9 @@ 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)