Fix crash when using backspace

nodauf · Oct 16, 2021 · 2d1e57f · 2d1e57f
1 parent e2dbd6c
commit 2d1e57f
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/terminal/terminal-utils.go b/src/terminal/terminal-utils.go
@@ -188,7 +188,11 @@ func (terminal *Terminal) streamCopy(src io.Reader, dst io.Writer, toRemote bool
 					// backspace
 					case byte(127):
 						// Remove the last character
-						command = command[:len(command)-1]
+						if len(command) > 1 {
+							command = command[:len(command)-1]
+						} else {
+							command = ""
+						}
 						_, err = dst.Write(buf[0:nBytes])
 						continue
 					}