From 8378c28242da262c7e38b45fe4f2861ee35d34cc Mon Sep 17 00:00:00 2001
From: Zachary Dremann <dremann@gmail.com>
Date: Mon, 29 Apr 2019 21:35:07 -0400
Subject: [PATCH] Fix is_signal

---
 src/uucore/signals.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/uucore/signals.rs b/src/uucore/signals.rs
index a4a7551e8..ee7bcac99 100644
--- a/src/uucore/signals.rs
+++ b/src/uucore/signals.rs
@@ -341,7 +341,8 @@ pub fn signal_by_name_or_value(signal_name_or_value: &str) -> Option<usize> {
 
 #[inline(always)]
 pub fn is_signal(num: usize) -> bool {
-    num < ALL_SIGNALS.len()
+    // Named signals start at 1
+    num <= ALL_SIGNALS.len()
 }
 
 #[test]