1/*
2 * Copyright 2001 Sun Microsystems, Inc.  All rights reserved.
3 * Use is subject to license terms.
4 */
5
6/*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
7/*	  All Rights Reserved  	*/
8
9/*
10 * Copyright (c) 1980 Regents of the University of California.
11 * All rights reserved.  The Berkeley software License Agreement
12 * specifies the terms and conditions for redistribution.
13 */
14
15#pragma ident	"%Z%%M%	%I%	%E% SMI"
16
17/*LINTLIBRARY*/
18
19#ifndef lint
20static char
21sccsid[] = "@(#)deleteln.c 1.8 89/08/24 SMI"; /* from UCB 5.1 85/06/07 */
22#endif /* not lint */
23
24#include	"curses.ext"
25#include	<string.h>
26
27/*
28 *	This routine deletes a line from the screen.  It leaves
29 * (_cury,_curx) unchanged.
30 */
31
32int
33wdeleteln(WINDOW *win)
34{
35	char	*temp;
36	int	y;
37	char	*end;
38
39#ifdef DEBUG
40	fprintf(outf, "DELETELN(%0.2o)\n", win);
41#endif
42	temp = win->_y[win->_cury];
43	for (y = win->_cury; y < win->_maxy - 1; y++) {
44		if (win->_orig == NULL)
45			win->_y[y] = win->_y[y + 1];
46		else
47			(void) memmove(win->_y[y], win->_y[y+1], win->_maxx);
48		(void) touchline(win, y, 0, win->_maxx - 1);
49	}
50	if (win->_orig == NULL)
51		win->_y[y] = temp;
52	else
53		temp = win->_y[y];
54	for (end = &temp[win->_maxx]; temp < end; )
55		*temp++ = ' ';
56	(void) touchline(win, y, 0, win->_maxx - 1);
57	if (win->_orig == NULL)
58		_id_subwins(win);
59	return (OK);
60}
61