1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright (c) 1995-1998 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29/* LINTLIBRARY */
30
31/*
32 * flushinp.c
33 *
34 * XCurses Library
35 *
36 * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
37 *
38 */
39
40#ifdef M_RCSID
41#ifndef lint
42static char rcsID[] =
43"$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/"
44"libxcurses/src/libc/xcurses/rcs/flushinp.c 1.2 1998/04/24 17:17:33 "
45"cbates Exp $";
46#endif
47#endif
48
49#include <private.h>
50
51/*
52 * Throw away any typeahead that has been typed by the user
53 * and has not yet been read by the program.
54 */
55int
56flushinp(void)
57{
58	int fd;
59
60	if (!iqIsEmpty())
61		iqReset();
62
63	if (cur_term->_flags & __TERM_ISATTY_IN)
64		fd = cur_term->_ifd;
65	else if (cur_term->_flags & __TERM_ISATTY_OUT)
66		fd = cur_term->_ofd;
67	else
68		fd = -1;
69
70	if (0 <= fd)
71		(void) tcflush(fd, TCIFLUSH);
72
73	return (OK);
74}
75