delwin.c revision 2
2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License, Version 1.0 only
2N/A * (the "License"). You may not use this file except in compliance
2N/A * with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A/*
2N/A * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A/* Copyright (c) 1988 AT&T */
2N/A/* All Rights Reserved */
2N/A
2N/A/*
2N/A * University Copyright- Copyright (c) 1982, 1986, 1988
2N/A * The Regents of the University of California
2N/A * All Rights Reserved
2N/A *
2N/A * University Acknowledgment- Portions of this document are derived from
2N/A * software developed by the University of California, Berkeley, and its
2N/A * contributors.
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A/*LINTLIBRARY*/
2N/A
2N/A#include <stdlib.h>
2N/A#include <sys/types.h>
2N/A#include "curses_inc.h"
2N/A
2N/A/* This routine deletes a _window and releases it back to the system. */
2N/A
2N/Aint
2N/Adelwin(WINDOW *win)
2N/A{
2N/A int i;
2N/A WINDOW *par;
2N/A
2N/A /* If we have children don't delte the window. */
2N/A if (win->_ndescs > 0)
2N/A return (ERR);
2N/A
2N/A /*
2N/A * If window is a pad, delete the padwin associated with it.
2N/A * NOTE: We shouldn't care that the recursive call will decrement
2N/A * ndescs for this window, since the window will be deleted anyhow.
2N/A */
2N/A
2N/A if (win->_padwin) {
2N/A win->_padwin->_maxy = win->_maxy;
2N/A (void) delwin(win->_padwin);
2N/A }
2N/A if (win->_parent == NULL) {
2N/A /* Delete all the memory associated with this window. */
2N/A for (i = win->_maxy; i-- > 0; ) {
2N/A free((char *)win->_y[i]);
2N/A#ifdef _VR3_COMPAT_CODE
2N/A if (_y16update)
2N/A free((char *)win->_y16[i]);
2N/A#endif /* _VR3_COMPAT_CODE */
2N/A }
2N/A } else {
2N/A /*
2N/A * We are a subwin and we don't want to delete the memory since
2N/A * it's shared by other windows. We do want to decrement the
2N/A * descendant count so that if there are no children left to a
2N/A * particular window winsdelln.c will run in fast mode (look there).
2N/A */
2N/A for (par = win->_parent; par != NULL; par = par->_parent)
2N/A par->_ndescs--;
2N/A }
2N/A
2N/A#ifdef _VR3_COMPAT_CODE
2N/A if (_y16update)
2N/A free((char *)win->_y16);
2N/A#endif /* _VR3_COMPAT_CODE */
2N/A
2N/A free((char *)win->_y);
2N/A free((char *)win->_firstch);
2N/A free((char *)win);
2N/A return (OK);
2N/A}