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

int
flushinp(void)
{
#ifdef  DEBUG
        if (outf)
                fprintf(outf, "flushinp(), file %x, SP %x\n",
                    cur_term->Filedes, SP);
#endif  /* DEBUG */

#ifdef  SYSV
        (void) ioctl(cur_term -> Filedes, TCFLSH, 0);
#else   /* SYSV */
        /* for insurance against someone using their own buffer: */
        (void) ioctl(cur_term -> Filedes, TIOCGETP, &(PROGTTY));

        /*
         * SETP waits on output and flushes input as side effect.
         * Really want an ioctl like TCFLSH but Berkeley doesn't have one.
         */
        (void) ioctl(cur_term -> Filedes, TIOCSETP, &(PROGTTY));
#endif  /* SYSV */

        /*
         * Get rid of any typeahead which was read().
         * Leave characters which were ungetch()'d.
         */
        cur_term->_chars_on_queue = cur_term->_ungotten;

        /*
         * Have to doupdate() because, if we have stopped output due to
         * typeahead, now that typeahead is gone, so we had better catch up.
         */
        if (_INPUTPENDING)
                (void) doupdate();
        return (OK);
}