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 42 static 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 */ 55 int 56 flushinp(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