/*

 * libfdt - Flat Device Tree manipulation

 *	Testcase for fdt_node_offset_by_phandle()

 * 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 <stdint.h>

#include <stdarg.h>

#include <fdt.h>

#include <libfdt.h>

#include "tests.h"

#include "testdata.h"

void check_search(void *fdt, uint32_t phandle, int target)

{

	int offset;

	offset = fdt_node_offset_by_phandle(fdt, phandle);

	if (offset != target)

		FAIL("fdt_node_offset_by_phandle(0x%x) returns %d "

		     "instead of %d", phandle, offset, target);

}

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

{

	void *fdt;

	int subnode2_offset, subsubnode2_offset;

	test_init(argc, argv);

	fdt = load_blob_arg(argc, argv);

	subnode2_offset = fdt_path_offset(fdt, "/subnode@2");

	subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode@0");

	if ((subnode2_offset < 0) || (subsubnode2_offset < 0))

		FAIL("Can't find required nodes");

	check_search(fdt, PHANDLE_1, subnode2_offset);

	check_search(fdt, PHANDLE_2, subsubnode2_offset);

	check_search(fdt, ~PHANDLE_1, -FDT_ERR_NOTFOUND);

	check_search(fdt, 0, -FDT_ERR_BADPHANDLE);

	check_search(fdt, -1, -FDT_ERR_BADPHANDLE);

	PASS();

}