From 66c6e0035e577e00d36c908554192abad052b6f4 Mon Sep 17 00:00:00 2001
From: Sergey Bugaev <bugaevc@serenityos.org>
Date: Fri, 29 May 2020 22:13:51 +0300
Subject: [PATCH] LibVT: Fix emitting \0 when pressing a modifier key

This causes the kernel to return EOF, which in turn confuses everything. This is
a regression from the LibVT port of VirtualConsole.
---
 Libraries/LibVT/Terminal.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Libraries/LibVT/Terminal.cpp b/Libraries/LibVT/Terminal.cpp
index d35f64066e..22af6fa62b 100644
--- a/Libraries/LibVT/Terminal.cpp
+++ b/Libraries/LibVT/Terminal.cpp
@@ -1046,6 +1046,11 @@ void Terminal::handle_key_press(KeyCode key, u8 character, u8 flags)
         break;
     }
 
+    if (!character) {
+        // Probably a modifier being pressed.
+        return;
+    }
+
     if (shift && key == KeyCode::Key_Tab) {
         emit_string("\033[Z");
         return;