From 7b345fbba7bf28b7f245e3f7b3ee11063aa5078c Mon Sep 17 00:00:00 2001
From: Nicholas Lang <97475577+nicklangsysdig@users.noreply.github.com>
Date: Fri, 19 Aug 2022 05:30:26 -0400
Subject: [PATCH] Fix tui with 1 client (#734)

* unbreak tui with 1 client

* clippy
---
 libafl/src/monitors/tui/ui.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/libafl/src/monitors/tui/ui.rs b/libafl/src/monitors/tui/ui.rs
index 8332fa9a53..3239a2cfd3 100644
--- a/libafl/src/monitors/tui/ui.rs
+++ b/libafl/src/monitors/tui/ui.rs
@@ -64,7 +64,10 @@ impl TuiUI {
     pub fn on_right(&mut self) {
         if self.clients != 0 {
             // clients_idx never 0
-            self.clients_idx = 1 + self.clients_idx % (self.clients - 1);
+            if self.clients - 1 != 0 {
+                // except for when it is ;)
+                self.clients_idx = 1 + self.clients_idx % (self.clients - 1);
+            }
         }
     }
 
@@ -73,7 +76,8 @@ impl TuiUI {
             // clients_idx never 0
             if self.clients_idx == 1 {
                 self.clients_idx = self.clients - 1;
-            } else {
+            } else if self.clients - 1 != 0 {
+                // don't wanna be dividing by 0
                 self.clients_idx = 1 + (self.clients_idx - 2) % (self.clients - 1);
             }
         }