From a3eb9fc56a721144645160d1a015910f1fb64224 Mon Sep 17 00:00:00 2001
From: "Jordan K. Hubbard" <jkh@FreeBSD.org>
Date: Fri, 28 Oct 1994 02:37:57 +0000
Subject: [PATCH] Note that enable and disable don't do anything, at present.
 Make ^U/^X actually work.

---
 sys/i386/i386/userconfig.c | 48 ++++++++++++++++++++++++++++++++++++--
 1 file changed, 46 insertions(+), 2 deletions(-)

diff --git a/sys/i386/i386/userconfig.c b/sys/i386/i386/userconfig.c
index b5c37e41bcb..84166eb084c 100644
--- a/sys/i386/i386/userconfig.c
+++ b/sys/i386/i386/userconfig.c
@@ -1,3 +1,45 @@
+ * Copyright (c) 1991 Regents of the University of California.
+ * All rights reserved.
+ * Copyright (c) 1994 Jordan K. Hubbard
+ * All rights reserved.
+ * Copyright (c) 1994 David Greenman
+ * All rights reserved.
+ *
+ * This code is derived from software contributed by the 
+ * University of California Berkeley, Jordan K. Hubbard,
+ * David Greenman and Naffy, the Wonder Porpoise.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *      $Id$
+ */
+
 #include <sys/param.h>
 #include <sys/types.h>
 #include <sys/cdefs.h>
@@ -221,12 +263,14 @@ set_device_mem(CmdParm *parms)
 static int
 set_device_enable(CmdParm *parms)
 {
+    printf("This command currently not implemented.\n");
     return 0;
 }
 
 static int
 set_device_disable(CmdParm *parms)
 {
+    printf("This command currently not implemented.\n");
     return 0;
 }
 
@@ -312,9 +356,9 @@ cngets(char *input, int maxin)
 	}
 	/* Treat ^U or ^X as kill line */
 	else if ((c == '\025' || c == '\030')) {
-		while (nchars--) {
-			*--input = NULL;
+		while (nchars) {
 			printf("\010 \010");
+			*--input = NULL, --nchars;
 		}
 		continue;
 	}