From 60f4843468213324cc348af9d8ec09648b6f6784 Mon Sep 17 00:00:00 2001
From: Denys Vlasenko
Date: Mon, 23 Aug 2021 15:52:34 +0200
Subject: shuf: with -i LOW-HIGH, do not allow any argv's

function                                             old     new   delta
shuf_main                                            436     441      +5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 coreutils/shuf.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/coreutils/shuf.c b/coreutils/shuf.c
index 4b41d5e..fc96351 100644
--- a/coreutils/shuf.c
+++ b/coreutils/shuf.c
@@ -92,6 +92,9 @@ int shuf_main(int argc, char **argv)
 		char *dash;
 		unsigned lo, hi;
 
+		if (argv[0])
+			bb_show_usage();
+
 		dash = strchr(opt_i_str, '-');
 		if (!dash) {
 			bb_error_msg_and_die("bad range '%s'", opt_i_str);
-- 
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