From dcfcd3ee79959599c77a3e895651b801edc2920d Mon Sep 17 00:00:00 2001
From: Antioch Peverell <apeverell@protonmail.com>
Date: Tue, 26 Nov 2019 19:05:04 +0000
Subject: [PATCH] use saturatig_sub() to avoid a negative value causing an
 overflow panic (#3139)

---
 src/bin/tui/logs.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bin/tui/logs.rs b/src/bin/tui/logs.rs
index 2b6bb982c..de9b437dc 100644
--- a/src/bin/tui/logs.rs
+++ b/src/bin/tui/logs.rs
@@ -94,7 +94,7 @@ impl View for LogBufferView {
 				rows.reverse(); // So stack traces are in the right order.
 				for row in rows {
 					for span in row.resolve(&log_message) {
-						p.print((0, p.size.y - 1 - i), span.content);
+						p.print((0, p.size.y.saturating_sub(i + 1)), span.content);
 						i += 1;
 					}
 				}