/*-

 * 

 * Copyright (c) 2002, 2003 Tim J. Robbins

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 * * Portions Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 

 */

#include <sys/cdefs.h>

__FBSDID("$FreeBSD: src/lib/libc/locale/wcstof.c,v 1.3 2004/04/07 09:47:56 tjr Exp $");

#include <stdlib.h>

#include <wchar.h>

#include <wctype.h>

/*

 * See wcstod() for comments as to the logic used.

 */

EXPORT_C float

wcstof(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr)

{

	static const mbstate_t initial = {0,{0}};

	mbstate_t mbs;

	float val;

	char *buf, *end;

	const wchar_t *wcp;

	size_t len;

	while (iswspace(*nptr))

		nptr++;

	wcp = nptr;

	mbs = initial;

	if ((len = wcsrtombs(NULL, &wcp, 0, &mbs)) == (size_t)-1) {

		if (endptr != NULL)

			*endptr = (wchar_t *)nptr;

		return (0.0);

	}

	if ((buf = malloc(len + 1)) == NULL)

		return (0.0);

	mbs = initial;

#ifdef __SYMBIAN32__	

	wcp = nptr;

#endif //__SYMBIAN32__

	wcsrtombs(buf, &wcp, len + 1, &mbs);

	val = strtof(buf, &end);

	if (endptr != NULL)

		*endptr = (wchar_t *)nptr + (end - buf);

	free(buf);

	return (val);

}