xref: /netbsd-src/external/gpl2/dtc/dist/tests/root_node.c (revision cc7d2833ecf67da5a5ddc470841931eb9f6723e4)
1 /*	$NetBSD: root_node.c,v 1.1.1.3 2019/12/22 12:34:05 skrll Exp $	*/
2 
3 // SPDX-License-Identifier: LGPL-2.1-or-later
4 /*
5  * libfdt - Flat Device Tree manipulation
6  *	Basic testcase for read-only access
7  * Copyright (C) 2006 David Gibson, IBM Corporation.
8  */
9 
10 #include <stdlib.h>
11 #include <stdio.h>
12 #include <string.h>
13 #include <stdint.h>
14 
15 #include <libfdt.h>
16 
17 #include "tests.h"
18 #include "testdata.h"
19 
main(int argc,char * argv[])20 int main(int argc, char *argv[])
21 {
22 	void *fdt;
23 	const struct fdt_node_header *nh;
24 
25 	test_init(argc, argv);
26 	fdt = load_blob_arg(argc, argv);
27 
28 	nh = fdt_offset_ptr(fdt, 0, sizeof(*nh));
29 
30 	if (! nh)
31 		FAIL("NULL retrieving root node");
32 
33 	if (fdt32_to_cpu(nh->tag) != FDT_BEGIN_NODE)
34 		FAIL("Wrong tag on root node");
35 
36 	if (strlen(nh->name) != 0)
37 		FAIL("Wrong name for root node, \"%s\" instead of empty",
38 		     nh->name);
39 
40 	PASS();
41 }
42