1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1997 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 #pragma ident "%Z%%M% %I% %E% SMI" 41 42 /*LINTLIBRARY*/ 43 44 #include <stdlib.h> 45 #include <sys/types.h> 46 #include "curses_inc.h" 47 48 /* This routine deletes a _window and releases it back to the system. */ 49 50 int 51 delwin(WINDOW *win) 52 { 53 int i; 54 WINDOW *par; 55 56 /* If we have children don't delte the window. */ 57 if (win->_ndescs > 0) 58 return (ERR); 59 60 /* 61 * If window is a pad, delete the padwin associated with it. 62 * NOTE: We shouldn't care that the recursive call will decrement 63 * ndescs for this window, since the window will be deleted anyhow. 64 */ 65 66 if (win->_padwin) { 67 win->_padwin->_maxy = win->_maxy; 68 (void) delwin(win->_padwin); 69 } 70 if (win->_parent == NULL) { 71 /* Delete all the memory associated with this window. */ 72 for (i = win->_maxy; i-- > 0; ) { 73 free((char *)win->_y[i]); 74 #ifdef _VR3_COMPAT_CODE 75 if (_y16update) 76 free((char *)win->_y16[i]); 77 #endif /* _VR3_COMPAT_CODE */ 78 } 79 } else { 80 /* 81 * We are a subwin and we don't want to delete the memory since 82 * it's shared by other windows. We do want to decrement the 83 * descendant count so that if there are no children left to a 84 * particular window winsdelln.c will run in fast mode (look there). 85 */ 86 for (par = win->_parent; par != NULL; par = par->_parent) 87 par->_ndescs--; 88 } 89 90 #ifdef _VR3_COMPAT_CODE 91 if (_y16update) 92 free((char *)win->_y16); 93 #endif /* _VR3_COMPAT_CODE */ 94 95 free((char *)win->_y); 96 free((char *)win->_firstch); 97 free((char *)win); 98 return (OK); 99 } 100