1 /*

     2  * libfdt - Flat Device Tree manipulation

     3  *	Basic testcase for read-only access

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

     5  *

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

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

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

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

    10  *

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

    12  * WITHOUT ANY WARRANTY; without even the implied warranty of

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

    14  * Lesser General Public License for more details.

    15  *

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

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

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

    19  */

    20 

    21 #include <stdlib.h>

    22 #include <stdio.h>

    23 #include <string.h>

    24 #include <stdint.h>

    25 

    26 #include <fdt.h>

    27 #include <libfdt.h>

    28 

    29 #include "tests.h"

    30 #include "testdata.h"

    31 

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

    33 {

    34 	void *fdt;

    35 	const struct fdt_node_header *nh;

    36 

    37 	test_init(argc, argv);

    38 	fdt = load_blob_arg(argc, argv);

    39 

    40 	nh = fdt_offset_ptr(fdt, 0, sizeof(*nh));

    41 

    42 	if (! nh)

    43 		FAIL("NULL retrieving root node");

    44 

    45 	if (fdt32_to_cpu(nh->tag) != FDT_BEGIN_NODE)

    46 		FAIL("Wrong tag on root node");

    47 

    48 	if (strlen(nh->name) != 0)

    49 		FAIL("Wrong name for root node, \"%s\" instead of empty",

    50 		     nh->name);

    51 

    52 	PASS();

    53 }