/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*	Copyright (c) 1988 AT&T	*/
/*	  All Rights Reserved	*/

/*
 * University Copyright- Copyright (c) 1982, 1986, 1988
 * The Regents of the University of California
 * All Rights Reserved
 *
 * University Acknowledgment- Portions of this document are derived from
 * software developed by the University of California, Berkeley, and its
 * contributors.
 */

/*LINTLIBRARY*/

#include	<sys/types.h>
#include	"curses_inc.h"

int
wattrset(WINDOW *win, chtype a)
{
	chtype temp_bkgd;

	/* if 'a' contains color information, then if we are not on	*/
	/* color terminal erase color information from 'a'		*/

	if ((a & A_COLOR) && (cur_term->_pairs_tbl == NULL))
		a &= ~A_COLOR;

	/* combine 'a' with the background.  if 'a' contains color	*/
	/* information delete color information from the background	*/

	temp_bkgd = (a & A_COLOR) ? (win->_bkgd & ~A_COLOR) : win->_bkgd;
	win->_attrs = (a | temp_bkgd) & A_ATTRIBUTES;
	return (1);
}