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- /*
- * Copyright (c) 1981 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)delwin.c 5.6 (Berkeley) 8/23/92";
- #endif /* not lint */
-
- #include <curses.h>
- #include <stdlib.h>
-
- /*
- * delwin --
- * Delete a window and release it back to the system.
- */
- int
- delwin(win)
- register WINDOW *win;
- {
-
- register WINDOW *wp, *np;
- register int i;
-
- 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);
- return (OK);
- }
-