From 02f00e2c6bd4f5c732bce2ff2b2a9b52c76385d8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maciej=20Habasi=C5=84ski?=
 <49205083+haciek@users.noreply.github.com>
Date: Sat, 25 Mar 2023 16:44:14 +0100
Subject: [PATCH] du: fix --threshold err msg

---
 src/uu/du/src/du.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/uu/du/src/du.rs b/src/uu/du/src/du.rs
index c35bbf119..b0778cbec 100644
--- a/src/uu/du/src/du.rs
+++ b/src/uu/du/src/du.rs
@@ -913,6 +913,9 @@ impl FromStr for Threshold {
         let size = parse_size(&s[offset..])?;
 
         if s.starts_with('-') {
+            if size == 0 {
+                return Err(ParseSizeError::ParseFailure(s.to_string()));
+            }
             Ok(Self::Upper(size))
         } else {
             Ok(Self::Lower(size))