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[] = "@(#)insertln.c 1.6 88/02/08 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 performs an insert-line on the window, leaving
29 * (_cury,_curx) unchanged.
30 */
31
32int
33winsertln(WINDOW *win)
34{
35	char	*temp;
36	int	y;
37	char	*end;
38
39#ifdef	DEBUG
40	fprintf(outf, "INSERTLN(%0.2o)\n", win);
41#endif
42	if (win->_orig == NULL)
43		temp = win->_y[win->_maxy - 1];
44	for (y = win->_maxy - 1; y > win->_cury; --y) {
45		if (win->_orig == NULL)
46			win->_y[y] = win->_y[y - 1];
47		else
48			(void) memmove(win->_y[y], win->_y[y-1], win->_maxx);
49		(void) touchline(win, y, 0, win->_maxx - 1);
50	}
51	if (win->_orig == NULL)
52		win->_y[y] = temp;
53	else
54		temp = win->_y[y];
55	for (end = &temp[win->_maxx]; temp < end; )
56		*temp++ = ' ';
57	(void) touchline(win, y, 0, win->_maxx - 1);
58	if (win->_orig == NULL)
59		_id_subwins(win);
60	return (OK);
61}
62