xref: /titanic_41/usr/src/ucblib/libcurses/insertln.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * Copyright 2001 Sun Microsystems, Inc.  All rights reserved.
3*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
4*7c478bd9Sstevel@tonic-gate  */
5*7c478bd9Sstevel@tonic-gate 
6*7c478bd9Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
7*7c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
8*7c478bd9Sstevel@tonic-gate 
9*7c478bd9Sstevel@tonic-gate /*
10*7c478bd9Sstevel@tonic-gate  * Copyright (c) 1980 Regents of the University of California.
11*7c478bd9Sstevel@tonic-gate  * All rights reserved.  The Berkeley software License Agreement
12*7c478bd9Sstevel@tonic-gate  * specifies the terms and conditions for redistribution.
13*7c478bd9Sstevel@tonic-gate  */
14*7c478bd9Sstevel@tonic-gate 
15*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
16*7c478bd9Sstevel@tonic-gate 
17*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
18*7c478bd9Sstevel@tonic-gate 
19*7c478bd9Sstevel@tonic-gate #ifndef lint
20*7c478bd9Sstevel@tonic-gate static char
21*7c478bd9Sstevel@tonic-gate sccsid[] = "@(#)insertln.c 1.6 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */
22*7c478bd9Sstevel@tonic-gate #endif /* not lint */
23*7c478bd9Sstevel@tonic-gate 
24*7c478bd9Sstevel@tonic-gate #include	"curses.ext"
25*7c478bd9Sstevel@tonic-gate #include	<string.h>
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate /*
28*7c478bd9Sstevel@tonic-gate  *	This routine performs an insert-line on the window, leaving
29*7c478bd9Sstevel@tonic-gate  * (_cury,_curx) unchanged.
30*7c478bd9Sstevel@tonic-gate  */
31*7c478bd9Sstevel@tonic-gate 
32*7c478bd9Sstevel@tonic-gate int
winsertln(WINDOW * win)33*7c478bd9Sstevel@tonic-gate winsertln(WINDOW *win)
34*7c478bd9Sstevel@tonic-gate {
35*7c478bd9Sstevel@tonic-gate 	char	*temp;
36*7c478bd9Sstevel@tonic-gate 	int	y;
37*7c478bd9Sstevel@tonic-gate 	char	*end;
38*7c478bd9Sstevel@tonic-gate 
39*7c478bd9Sstevel@tonic-gate #ifdef	DEBUG
40*7c478bd9Sstevel@tonic-gate 	fprintf(outf, "INSERTLN(%0.2o)\n", win);
41*7c478bd9Sstevel@tonic-gate #endif
42*7c478bd9Sstevel@tonic-gate 	if (win->_orig == NULL)
43*7c478bd9Sstevel@tonic-gate 		temp = win->_y[win->_maxy - 1];
44*7c478bd9Sstevel@tonic-gate 	for (y = win->_maxy - 1; y > win->_cury; --y) {
45*7c478bd9Sstevel@tonic-gate 		if (win->_orig == NULL)
46*7c478bd9Sstevel@tonic-gate 			win->_y[y] = win->_y[y - 1];
47*7c478bd9Sstevel@tonic-gate 		else
48*7c478bd9Sstevel@tonic-gate 			(void) memmove(win->_y[y], win->_y[y-1], win->_maxx);
49*7c478bd9Sstevel@tonic-gate 		(void) touchline(win, y, 0, win->_maxx - 1);
50*7c478bd9Sstevel@tonic-gate 	}
51*7c478bd9Sstevel@tonic-gate 	if (win->_orig == NULL)
52*7c478bd9Sstevel@tonic-gate 		win->_y[y] = temp;
53*7c478bd9Sstevel@tonic-gate 	else
54*7c478bd9Sstevel@tonic-gate 		temp = win->_y[y];
55*7c478bd9Sstevel@tonic-gate 	for (end = &temp[win->_maxx]; temp < end; )
56*7c478bd9Sstevel@tonic-gate 		*temp++ = ' ';
57*7c478bd9Sstevel@tonic-gate 	(void) touchline(win, y, 0, win->_maxx - 1);
58*7c478bd9Sstevel@tonic-gate 	if (win->_orig == NULL)
59*7c478bd9Sstevel@tonic-gate 		_id_subwins(win);
60*7c478bd9Sstevel@tonic-gate 	return (OK);
61*7c478bd9Sstevel@tonic-gate }
62