1 /* 2 * Copyright (c) 1981 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 /*static char sccsid[] = "from: @(#)delwin.c 5.6 (Berkeley) 8/23/92";*/ 36 static char rcsid[] = "$Id: delwin.c,v 1.3 1993/08/07 05:48:49 mycroft Exp $"; 37 #endif /* not lint */ 38 39 #include <curses.h> 40 #include <stdlib.h> 41 42 /* 43 * delwin -- 44 * Delete a window and release it back to the system. 45 */ 46 int 47 delwin(win) 48 register WINDOW *win; 49 { 50 51 register WINDOW *wp, *np; 52 register int i; 53 54 if (win->_orig == NULL) { 55 /* 56 * If we are the original window, delete the space for all 57 * the subwindows, and the array of space as well. 58 */ 59 for (i = 0; i < win->_maxy && win->_y[i]; i++) 60 free(win->_y[i]); 61 free(win->_firstch); 62 free(win->_lastch); 63 wp = win->_nextp; 64 while (wp != win) { 65 np = wp->_nextp; 66 delwin(wp); 67 wp = np; 68 } 69 } else { 70 /* 71 * If we are a subwindow, take ourselves out of the list. 72 * NOTE: if we are a subwindow, the minimum list is orig 73 * followed by this subwindow, so there are always at least 74 * two windows in the list. 75 */ 76 for (wp = win->_nextp; wp->_nextp != win; wp = wp->_nextp) 77 continue; 78 wp->_nextp = win->_nextp; 79 } 80 free(win->_y); 81 free(win); 82 return (OK); 83 } 84