/*

 * libfdt - Flat Device Tree manipulation

 *	Basic testcase for read-only access

 * Copyright (C) 2006 David Gibson, IBM Corporation.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public License

 * as published by the Free Software Foundation; either version 2.1 of

 * the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

 */

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#include <limits.h>

#include <stdint.h>

#include <fdt.h>

#include <libfdt.h>

#include "tests.h"

#include "testdata.h"

int main(int argc, char *argv[])

{

	void *fdt, *fdt1, *fdt2, *fdt3;

	char *buf;

	int shuntsize;

	int bufsize;

	int err;

	const char *inname;

	char outname[PATH_MAX];

	test_init(argc, argv);

	fdt = load_blob_arg(argc, argv);

	inname = argv[1];

	shuntsize = ALIGN(fdt_totalsize(fdt) / 2, sizeof(uint64_t));

	bufsize = fdt_totalsize(fdt) + shuntsize;

	buf = xmalloc(bufsize);

	fdt1 = buf;

	err = fdt_move(fdt, fdt1, bufsize);

	if (err)

		FAIL("Failed to move tree into new buffer: %s",

		     fdt_strerror(err));

	sprintf(outname, "moved.%s", inname);

	save_blob(outname, fdt1);

	fdt2 = buf + shuntsize;

	err = fdt_move(fdt1, fdt2, bufsize-shuntsize);

	if (err)

		FAIL("Failed to shunt tree %d bytes: %s",

		     shuntsize, fdt_strerror(err));

	sprintf(outname, "shunted.%s", inname);

	save_blob(outname, fdt2);

	fdt3 = buf;

	err = fdt_move(fdt2, fdt3, bufsize);

	if (err)

		FAIL("Failed to deshunt tree %d bytes: %s",

		     shuntsize, fdt_strerror(err));

	sprintf(outname, "deshunted.%s", inname);

	save_blob(outname, fdt3);

	PASS();

}