/*
 * 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 (c) 1988 AT&T */
/*    All Rights Reserved   */


/*
 *      Copyright (c) 1997, by Sun Microsystems, Inc.
 *      All rights reserved.
 */

/*LINTLIBRARY*/

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

/*
 *      Read a process code from the terminal
 *      cntl:   = 0 for single-char key only
 *              = 1 for matching function key and macro patterns.
 *              = 2 same as 1 but no time-out for funckey matching.
 */

wchar_t
tgetwch(int cntl)
{
        int     c, n, type, width;
        char    buf[CSMAX];
        wchar_t wchar;

        /* get the first byte */
        /* LINTED */
        if ((c = (int)tgetch(cntl)) == ERR)
                return (ERR);

        type = TYPE(c);
        width = cswidth[type] - ((type == 1 || type == 2) ? 0 : 1);
        /* LINTED */
        buf[0] = (char)c;
        for (n = 1; n < width; ++n) {
                /* LINTED */
                if ((c = (int)tgetch(cntl)) == ERR)
                        return (ERR);
                if (TYPE(c) != 0)
                        return (ERR);
                /* LINTED */
                buf[n] = (char)c;
                }

        /* translate it to process code */
        (void) _curs_mbtowc(&wchar, buf, n);
        return (wchar);
}