/*
 * $Copyright:	$
 * Copyright (c) 1984, 1985, 1986, 1987, 1988, 1989, 1990 
 * Sequent Computer Systems, Inc.   All rights reserved.
 *  
 * This software is furnished under a license and may be used
 * only in accordance with the terms of that license and with the
 * inclusion of the above copyright notice.   This software may not
 * be provided or otherwise made available to, or used by, any
 * other person.  No title to or ownership of the software is
 * hereby transferred."
 *
 */
/*	Copyright (c) 1984 AT&T	*/
/*	  All Rights Reserved  	*/

/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
/*	The copyright notice above does not evidence any   	*/
/*	actual or intended publication of such source code.	*/

#ident	"$Header: wattrset.c 1.3 89/10/10 $@(#)curses:screen/wattrset.c	1.10"
#include	"curses_inc.h"

wattrset(win,a)
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) && (SP->_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);
}
