/*	$OpenBSD: lib_flash.c,v 1.3 2001/01/22 18:01:39 millert Exp $	*/

/****************************************************************************
 * Copyright (c) 1998,2000 Free Software Foundation, Inc.                   *
 *                                                                          *
 * Permission is hereby granted, free of charge, to any person obtaining a  *
 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
 *                                                                          *
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/****************************************************************************
 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
 ****************************************************************************/

/*
 *	flash.c
 *
 *	The routine flash().
 *
 */

#include <curses.priv.h>
#include <term.h>		/* beep, flash */

MODULE_ID("$From: lib_flash.c,v 1.6 2000/12/10 02:43:27 tom Exp $")

/*
 *	flash()
 *
 *	Flash the current terminal's screen if possible.   If not,
 *	sound the audible bell if one exists.
 *
 */

NCURSES_EXPORT(int)
flash(void)
{
    int res = ERR;

    T((T_CALLED("flash()")));

    /* FIXME: should make sure that we are not in altchar mode */
    if (flash_screen) {
	TPUTS_TRACE("flash_screen");
	res = putp(flash_screen);
	_nc_flush();
    } else if (bell) {
	TPUTS_TRACE("bell");
	res = putp(bell);
	_nc_flush();
    }

    returnCode(res);
}