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, by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 /* 28 * flushinp.c 29 * 30 * XCurses Library 31 * 32 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved. 33 * 34 */ 35 36 #ifdef M_RCSID 37 #ifndef lint 38 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/flushinp.c 1.1 1995/06/06 14:13:41 ant Exp $"; 39 #endif 40 #endif 41 42 #include <private.h> 43 44 /*f 45 * Throw away any typeahead that has been typed by the user 46 * and has not yet been read by the program. 47 */ 48 int flushinp()49flushinp() 50 { 51 int fd; 52 53 #ifdef M_CURSES_TRACE 54 __m_trace("flushinp(void)"); 55 #endif 56 57 if (!ISEMPTY()) 58 RESET(); 59 60 if (cur_term->_flags & __TERM_ISATTY_IN) 61 fd = cur_term->_ifd; 62 else if (cur_term->_flags & __TERM_ISATTY_OUT) 63 fd = cur_term->_ofd; 64 else 65 fd = -1; 66 67 if (0 <= fd) 68 (void) tcflush(fd, TCIFLUSH); 69 70 return __m_return_code("flushinp", OK); 71 } 72