1/*
2 * libfdt - Flat Device Tree manipulation
3 *	Testcase for fdt_get_name()
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#include <stdlib.h>
21#include <stdio.h>
22#include <string.h>
23#include <stdint.h>
24
25#include <libfdt.h>
26
27#include "tests.h"
28#include "testdata.h"
29
30static void check_name(void *fdt, const char *path)
31{
32	int offset;
33	const char *getname, *getname2, *checkname;
34	int len;
35
36	checkname = strrchr(path, '/');
37	if (!checkname)
38		TEST_BUG();
39	checkname += 1;
40
41	offset = fdt_path_offset(fdt, path);
42	if (offset < 0)
43		FAIL("Couldn't find %s", path);
44
45	getname = fdt_get_name(fdt, offset, &len);
46	verbose_printf("fdt_get_name(%d) returns \"%s\" (len=%d)\n",
47		       offset, getname, len);
48	if (!getname)
49		FAIL("fdt_get_name(%d): %s", offset, fdt_strerror(len));
50
51	if (strcmp(getname, checkname) != 0)
52		FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"",
53		     path, getname, checkname);
54
55	if (len != strlen(getname))
56		FAIL("fdt_get_name(%s) returned length %d instead of %zd",
57		     path, len, strlen(getname));
58
59	/* Now check that it doesn't break if we omit len */
60	getname2 = fdt_get_name(fdt, offset, NULL);
61	if (!getname2)
62		FAIL("fdt_get_name(%d, NULL) failed", offset);
63	if (strcmp(getname2, getname) != 0)
64		FAIL("fdt_get_name(%d, NULL) returned \"%s\" instead of \"%s\"",
65		     offset, getname2, getname);
66}
67
68int main(int argc, char *argv[])
69{
70	void *fdt;
71
72	test_init(argc, argv);
73	fdt = load_blob_arg(argc, argv);
74
75	check_name(fdt, "/");
76	check_name(fdt, "/subnode@1");
77	check_name(fdt, "/subnode@2");
78	check_name(fdt, "/subnode@1/subsubnode");
79	check_name(fdt, "/subnode@2/subsubnode@0");
80
81	PASS();
82}
83