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 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright (c) 1997, by Sun Microsystems, Inc. 28 * All rights reserved. 29 */ 30 31 /*LINTLIBRARY*/ 32 33 #include <sys/types.h> 34 #include "curses_inc.h" 35 36 /* 37 * Push a process code back into the input stream 38 */ 39 40 int 41 ungetwch(wchar_t code) 42 { 43 int i, n; 44 char buf[CSMAX]; 45 46 n = _curs_wctomb(buf, code & TRIM); 47 for (i = n - 1; i >= 0; --i) 48 if (ungetch((unsigned char)buf[i]) == ERR) { 49 /* remove inserted characters */ 50 for (i = i + 1; i < n; ++i) 51 (void) tgetch(0); 52 return (ERR); 53 } 54 55 return (OK); 56 } 57