date: complain if there are extraneout arguments

diff --git a/coreutils/date.c b/coreutils/date.c
index 2aecbaac25a10540b245f743d987a4230782b2e3..2c61aa6464111946193bd9940db77b1de95036cf 100644 (file)
--- a/coreutils/date.c
+++ b/coreutils/date.c
@@ -79,6 +79,8 @@ int date_main(int argc ATTRIBUTE_UNUSED, char **argv)
        if (!(opt & (DATE_OPT_SET | DATE_OPT_DATE))) {
                opt |= DATE_OPT_SET;
                date_str = argv[0]; /* can be NULL */
+       } else if (argv[0]) {
+               bb_show_usage();
        }
 
        /* Now we have parsed all the information except the date format