/*
 * 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"

int
winwstr(WINDOW *win, wchar_t *wstr)
{
        int     counter = 0;
        int     cy = win->_cury;
        chtype  *ptr = &(win->_y[cy][win->_curx]),
                *pmax = &(win->_y[cy][win->_maxx]);
        chtype  *p1st = &(win->_y[cy][0]);
        wchar_t wc;
        int     sw, s;
        char    *cp, cbuf[CSMAX+1];

        while (ISCBIT(*ptr) && (p1st < ptr))
                ptr--;

        while (ptr < pmax) {
                wc = RBYTE(*ptr);
                sw = mbscrw((int)wc);
                (void) mbeucw((int)wc);

                cp = cbuf;
                for (s = 0; s < sw; s++, ptr++) {
                        if ((wc = RBYTE(*ptr)) == MBIT)
                                continue;
                        /* LINTED */
                        *cp++ = (char) wc;
                        if ((wc = LBYTE(*ptr) | MBIT) == MBIT)
                                continue;
                        /* LINTED */
                        *cp++ = (char) wc;
                }
                *cp = '\0';

                if (_curs_mbtowc(&wc, cbuf, CSMAX) <= 0)
                        break;

                *wstr++ = wc;
        }

        *wstr = (wchar_t)0;

        return (counter);
}