xref: /titanic_44/usr/src/lib/libcurses/screen/vwscanw.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)

/*
 * 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 1997 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

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

/*
 * University Copyright- Copyright (c) 1982, 1986, 1988
 * The Regents of the University of California
 * All Rights Reserved
 *
 * University Acknowledgment- Portions of this document are derived from
 * software developed by the University of California, Berkeley, and its
 * contributors.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

/*LINTLIBRARY*/

/*
 * scanw and friends
 *
 */
#include	<sys/types.h>
#include	"curses_inc.h"
#include	<stdarg.h>

/*
 *	This routine actually executes the scanf from the window.
 *
 *	This code calls _vsscanf, which is like sscanf except
 * 	that it takes a va_list as an argument pointer instead
 *	of the argument list itself.  We provide one until
 *	such a routine becomes available.
 */

/*VARARGS2*/
int
vwscanw(WINDOW *win, char *fmt, va_list ap)
{
	wchar_t code[256];
	char	*buf;
	int	n;

	if (wgetwstr(win, code) == ERR)
		n = ERR;
	else	{
		buf = _strcode2byte(code, NULL, -1);
		n = _vsscanf(buf, fmt, ap);
	}

	va_end(ap);
	return (n);
}