xv6

commit 29d8c2eebbce0274a50558bffc94099083a2cb16
parent bab819ed8d77abe65ea16945f42e76b3d4d1ff8b
Author: Austin Clements <amdragon@mit.edu>
Date:   Wed, 30 Sep 2009 22:32:50 -0400

Handle backspace on serial input and output better.  Better solutions are welcome.

Diffstat:
M
console.c
 | 
8
+++++++-

1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/console.c b/console.c
@@ -163,7 +163,12 @@ consputc(int c)
       ;
   }
 
-  uartputc(c);
+  if (c == BACKSPACE) {
+    uartputc('\b');
+    uartputc(' ');
+    uartputc('\b');
+  } else
+    uartputc(c);
   cgaputc(c);
 }
 
@@ -198,6 +203,7 @@ consoleintr(int (*getc)(void))
       }
       break;
     case C('H'):  // Backspace
+    case '\x7f':
       if(input.e != input.w){
         input.e--;
         consputc(BACKSPACE);