From f0e0b515ad0a88422bed694c1111832a589cb259 Mon Sep 17 00:00:00 2001
From: Russ <russ@infocyte.com>
Date: Fri, 14 Jun 2019 00:49:32 -0700
Subject: [PATCH] avoid divide by zero

---
 src/widgets/barchart.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/widgets/barchart.rs b/src/widgets/barchart.rs
index 0600973..be833cc 100644
--- a/src/widgets/barchart.rs
+++ b/src/widgets/barchart.rs
@@ -133,7 +133,7 @@ impl<'a> Widget for BarChart<'a> {
             .data
             .iter()
             .take(max_index)
-            .map(|&(l, v)| (l, v * u64::from(chart_area.height) * 8 / max))
+            .map(|&(l, v)| (l, v * u64::from(chart_area.height) * 8 / std::cmp::max(max, 1)))
             .collect::<Vec<(&str, u64)>>();
         for j in (0..chart_area.height - 1).rev() {
             for (i, d) in data.iter_mut().enumerate() {