1 /*
2 * Copyright 2004 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 /*LINTLIBRARY*/
16
17 #ifndef lint
18 static char
19 sccsid[] = "@(#)id_subwins.c 1.3 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */
20 #endif /* not lint */
21
22 #include "curses.ext"
23
24 /*
25 * _id_subwins:
26 * Re-sync the pointers to _y for all the subwindows.
27 */
28
29 void
_id_subwins(WINDOW * orig)30 _id_subwins(WINDOW *orig)
31 {
32 WINDOW *win;
33 int realy;
34 int y, oy;
35
36 realy = orig->_begy + orig->_cury;
37 for (win = orig->_nextp; win != orig; win = win->_nextp) {
38 /*
39 * If the window ends before our current position,
40 * don't need to do anything.
41 */
42 if (win->_begy + win->_maxy <= realy)
43 continue;
44
45 oy = orig->_cury;
46 for (y = realy - win->_begy; y < win->_maxy; y++, oy++)
47 win->_y[y] = &orig->_y[oy][win->_ch_off];
48 }
49 }
50