[BusyBox] [PATCH] Add CTRL-K support to cmdedit.c

[Jim Treadway]

On Wed, 27 Mar 2002, Vladimir N. Oleynik wrote:

> > The following patch adds support for CTRL-K (clear to end of line), 
> 
> Thanks. I like this part.

The "if (cursor) { ... }" block should be removed or it won't work if you
are on the start of the line.

I must have been tired or something, sorry. ;)

So it should look like this (with your correction to the CTRL-L portion 
applied, against busybox.stable):

--- ./cmdedit.c.orig	Wed Mar 27 18:52:53 2002
+++ ./cmdedit.c	Wed Mar 27 18:49:31 2002
@@ -1263,15 +1263,17 @@
 			input_tab(&lastWasTab);
 #endif
 			break;
+		case 11:
+			/* Control-k -- clear to end of line */
+			*(command + cursor) = 0;
+			len = cursor;
+			redraw(cmdedit_y, 0);
+			break;
 		case 12:
-			/* Control-l -- clear screen
-			 * if the len=0 and no chars in edit line */
-			if (len == 0) {
-				printf("\033[H\033[J");
-				put_prompt();
-			} else {
-				beep();
-			}       
+			/* Control-l -- clear screen */
+			printf("\033[H");
+			put_prompt();
+			redraw(cmdedit_y, 0);
 			break;
 		case 14:
 			/* Control-n -- Get next command in history */