1 /* $NetBSD: delwin.c,v 1.11 2000/04/15 13:17:03 blymn Exp $ */ 2 3 /* 4 * Copyright (c) 1981, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)delwin.c 8.2 (Berkeley) 5/4/94"; 40 #else 41 __RCSID("$NetBSD: delwin.c,v 1.11 2000/04/15 13:17:03 blymn Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <stdlib.h> 46 47 #include "curses.h" 48 #include "curses_private.h" 49 50 /* 51 * delwin -- 52 * Delete a window and release it back to the system. 53 */ 54 int 55 delwin(WINDOW *win) 56 { 57 58 WINDOW *wp, *np; 59 60 if (win->orig == NULL) { 61 /* 62 * If we are the original window, delete the space for all 63 * the subwindows, the line space and the window space. 64 */ 65 free(win->lspace); 66 free(win->wspace); 67 free(win->lines); 68 wp = win->nextp; 69 while (wp != win) { 70 np = wp->nextp; 71 delwin(wp); 72 wp = np; 73 } 74 } else { 75 /* 76 * If we are a subwindow, take ourselves out of the list. 77 * NOTE: if we are a subwindow, the minimum list is orig 78 * followed by this subwindow, so there are always at least 79 * two windows in the list. 80 */ 81 for (wp = win->nextp; wp->nextp != win; wp = wp->nextp) 82 continue; 83 wp->nextp = win->nextp; 84 } 85 free(win); 86 return (OK); 87 } 88