/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
/*
* This routine indicates to curses that a screen line is garbaged and
* should be thrown away before having anything written over the top of it.
* It could be used for programs such as editors which want a command to
* redraw just a single line. Such a command could be used in cases where
* there is a noisy line and redrawing the entire screen would be subject
* to even more noise. Just redrawing the single line gives some semblance
* of hope that it would show up unblemished.
*
* This is a more refined version of clearok
*/
#include <sys/types.h>
#include "curses_inc.h"
int
wredrawln(WINDOW *win, int begline, int numlines)
{
short *firstch, *efirstch;
if (numlines <= 0)
return (ERR);
if (begline < 0)
begline = 0;
if (begline + numlines > win->_maxy)
numlines = win->_maxy - begline;
firstch = win->_firstch + begline;
efirstch = firstch + numlines;
while (firstch < efirstch)
*firstch++ = _REDRAW;
return (win->_immed ? wrefresh(win) : OK);
}