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

[Jim Treadway]

The following patch adds support for CTRL-K (clear to end of line), and 
makes CTRL-L always clear the screen.  It's against the stable branch; I 
can generate a diff against the development branch if needed.

Jim


--- busybox/cmdedit.c.orig	Wed Mar 20 23:04:37 2002
+++ busybox/cmdedit.c	Wed Mar 20 23:05:11 2002
@@ -1263,15 +1263,19 @@
 			input_tab(&lastWasTab);
 #endif
 			break;
+		case 11:
+			/* Control-k -- clear to end of line */
+			if (cursor) {
+				*(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[2J");
+			put_prompt();
+			redraw(cmdedit_y, 0);
 			break;
 		case 14:
 			/* Control-n -- Get next command in history */