Pedantic little change, but checking the count of the passbits stack …

…is more than 0 prevents program from crashing if you press backspace too many times.
ddevault · Jul 11, 2014 · ed441ed · ed441ed
1 parent 7bdf317
commit ed441ed
Showing 1 changed file with 9 additions and 6 deletions.
diff --git a/TestRedditSharp/Program.cs b/TestRedditSharp/Program.cs
@@ -82,12 +82,15 @@ public static string ReadPassword()
             for (ConsoleKeyInfo cki = Console.ReadKey(true); cki.Key != ConsoleKey.Enter; cki = Console.ReadKey(true))
             {
                 if (cki.Key == ConsoleKey.Backspace)
-                {
-                    //rollback the cursor and write a space so it looks backspaced to the user
-                    Console.SetCursorPosition(Console.CursorLeft - 1, Console.CursorTop);
-                    Console.Write(" ");
-                    Console.SetCursorPosition(Console.CursorLeft - 1, Console.CursorTop);
-                    passbits.Pop();
+                {
+                    if (passbits.Count() > 0)
+                    {
+                        //rollback the cursor and write a space so it looks backspaced to the user
+                        Console.SetCursorPosition(Console.CursorLeft - 1, Console.CursorTop);
+                        Console.Write(" ");
+                        Console.SetCursorPosition(Console.CursorLeft - 1, Console.CursorTop);
+                        passbits.Pop();
+                    }
                 }
                 else
                 {