From db2422d0d3f1d328b149f87a0715d21d94dc8562 Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Sun, 3 Feb 2019 04:04:42 +0100
Subject: [PATCH] Terminal: Constrain the cursor inside the terminal rect.

---
 Terminal/Terminal.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Terminal/Terminal.cpp b/Terminal/Terminal.cpp
index c85f747581..3f6981f09f 100644
--- a/Terminal/Terminal.cpp
+++ b/Terminal/Terminal.cpp
@@ -407,8 +407,10 @@ void Terminal::scroll_up()
     set_cursor(new_row, 0);
 }
 
-void Terminal::set_cursor(unsigned row, unsigned column)
+void Terminal::set_cursor(unsigned a_row, unsigned a_column)
 {
+    unsigned row = min(a_row, m_rows - 1u);
+    unsigned column = min(a_column, m_columns - 1u);
     if (row == m_cursor_row && column == m_cursor_column)
         return;
     ASSERT(row < rows());