OpenSolaris_b135/lib/libcurses/screen/mbstowcs.c

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/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

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

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

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

size_t
_curs_mbstowcs(wchar_t *pwcs, const char *s, size_t n)
{
	int	i, val;

	for (i = 0; i < n; i++) {
		if ((val = _curs_mbtowc(pwcs++, s, MB_CUR_MAX)) == -1)
			return (val);
		if (val == 0)
			break;
		s += val;
	}
	return (i);
}