/*-

 * Copyright (c) 2002-2004 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.

 */

#include <sys/cdefs.h>

#ifndef __SYMBIAN32__

__FBSDID("$FreeBSD: src/lib/libc/stdio/fgetwln.c,v 1.2 2004/08/06 17:00:09 tjr Exp $");

#endif

#include "namespace.h"

#include <stdio.h>

#include <wchar.h>

#include "un-namespace.h"

#include "libc_private.h"

#include "local.h"

#ifdef __SYMBIAN_COMPILE_UNUSED__

wchar_t *

fgetwln(FILE * __restrict fp, size_t *lenp)

{

	wint_t wc;

	size_t len;

	FLOCKFILE(fp);

	ORIENT(fp, 1);

	len = 0;

	while ((wc = __fgetwc(fp)) != WEOF) {

#define	GROW	512

		if (len * sizeof(wchar_t) >= fp->_lb._size &&

		    __slbexpand(fp, (len + GROW) * sizeof(wchar_t)))

			goto error;

		*((wchar_t *)fp->_lb._base + len++) = wc;

		if (wc == L'\n')

			break;

	}

	if (len == 0)

		goto error;

	FUNLOCKFILE(fp);

	*lenp = len;

	return ((wchar_t *)fp->_lb._base);

error:

	FUNLOCKFILE(fp);

	*lenp = 0;

	return (NULL);

}

#endif