xref: /onnv-gate/usr/src/ucblib/libcurses/insertln.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * Copyright 2001 Sun Microsystems, Inc.  All rights reserved.
3*0Sstevel@tonic-gate  * Use is subject to license terms.
4*0Sstevel@tonic-gate  */
5*0Sstevel@tonic-gate 
6*0Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
7*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
8*0Sstevel@tonic-gate 
9*0Sstevel@tonic-gate /*
10*0Sstevel@tonic-gate  * Copyright (c) 1980 Regents of the University of California.
11*0Sstevel@tonic-gate  * All rights reserved.  The Berkeley software License Agreement
12*0Sstevel@tonic-gate  * specifies the terms and conditions for redistribution.
13*0Sstevel@tonic-gate  */
14*0Sstevel@tonic-gate 
15*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
16*0Sstevel@tonic-gate 
17*0Sstevel@tonic-gate /*LINTLIBRARY*/
18*0Sstevel@tonic-gate 
19*0Sstevel@tonic-gate #ifndef lint
20*0Sstevel@tonic-gate static char
21*0Sstevel@tonic-gate sccsid[] = "@(#)insertln.c 1.6 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */
22*0Sstevel@tonic-gate #endif /* not lint */
23*0Sstevel@tonic-gate 
24*0Sstevel@tonic-gate #include	"curses.ext"
25*0Sstevel@tonic-gate #include	<string.h>
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*
28*0Sstevel@tonic-gate  *	This routine performs an insert-line on the window, leaving
29*0Sstevel@tonic-gate  * (_cury,_curx) unchanged.
30*0Sstevel@tonic-gate  */
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate int
winsertln(WINDOW * win)33*0Sstevel@tonic-gate winsertln(WINDOW *win)
34*0Sstevel@tonic-gate {
35*0Sstevel@tonic-gate 	char	*temp;
36*0Sstevel@tonic-gate 	int	y;
37*0Sstevel@tonic-gate 	char	*end;
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate #ifdef	DEBUG
40*0Sstevel@tonic-gate 	fprintf(outf, "INSERTLN(%0.2o)\n", win);
41*0Sstevel@tonic-gate #endif
42*0Sstevel@tonic-gate 	if (win->_orig == NULL)
43*0Sstevel@tonic-gate 		temp = win->_y[win->_maxy - 1];
44*0Sstevel@tonic-gate 	for (y = win->_maxy - 1; y > win->_cury; --y) {
45*0Sstevel@tonic-gate 		if (win->_orig == NULL)
46*0Sstevel@tonic-gate 			win->_y[y] = win->_y[y - 1];
47*0Sstevel@tonic-gate 		else
48*0Sstevel@tonic-gate 			(void) memmove(win->_y[y], win->_y[y-1], win->_maxx);
49*0Sstevel@tonic-gate 		(void) touchline(win, y, 0, win->_maxx - 1);
50*0Sstevel@tonic-gate 	}
51*0Sstevel@tonic-gate 	if (win->_orig == NULL)
52*0Sstevel@tonic-gate 		win->_y[y] = temp;
53*0Sstevel@tonic-gate 	else
54*0Sstevel@tonic-gate 		temp = win->_y[y];
55*0Sstevel@tonic-gate 	for (end = &temp[win->_maxx]; temp < end; )
56*0Sstevel@tonic-gate 		*temp++ = ' ';
57*0Sstevel@tonic-gate 	(void) touchline(win, y, 0, win->_maxx - 1);
58*0Sstevel@tonic-gate 	if (win->_orig == NULL)
59*0Sstevel@tonic-gate 		_id_subwins(win);
60*0Sstevel@tonic-gate 	return (OK);
61*0Sstevel@tonic-gate }
62