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- /*
- * Copyright (c) 1981 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)delwin.c 5.3 (Berkeley) 6/30/88";
- #endif /* not lint */
-
- # include "curses.ext"
-
- /*
- * This routine deletes a window and releases it back to the system.
- *
- */
- void delwin(win)
- reg WINDOW *win; {
-
- reg int i;
- reg WINDOW *wp, *np;
-
- if (win->_orig == NULL) {
- /*
- * If we are the original window, delete the space for
- * all the subwindows, and the array of space as well.
- */
- for (i = 0; i < win->_maxy && win->_y[i]; i++)
- free(win->_y[i]);
- free(win->_firstch);
- free(win->_lastch);
- wp = win->_nextp;
- while (wp != win) {
- np = wp->_nextp;
- delwin(wp);
- wp = np;
- }
- }
- else {
- /*
- * If we are a subwindow, take ourselves out of the
- * list. NOTE: if we are a subwindow, the minimum list
- * is orig followed by this subwindow, so there are
- * always at least two windows in the list.
- */
- for (wp = win->_nextp; wp->_nextp != win; wp = wp->_nextp)
- continue;
- wp->_nextp = win->_nextp;
- }
- free(win->_y);
- free(win);
- }
-