get_name.c revision 01a2d8a3e9f19cb1f5ee923af23682fad783a799 
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 <fdt.h>
26#include <libfdt.h>
27
28#include "tests.h"
29#include "testdata.h"
30
31static void check_name(void *fdt, const char *path)
32{
33	int offset;
34	const char *getname, *getname2, *checkname;
35	int len;
36
37	checkname = strrchr(path, '/');
38	if (!checkname)
39		TEST_BUG();
40	checkname += 1;
41
42	offset = fdt_path_offset(fdt, path);
43	if (offset < 0)
44		FAIL("Couldn't find %s", path);
45
46	getname = fdt_get_name(fdt, offset, &len);
47	verbose_printf("fdt_get_name(%d) returns \"%s\" (len=%d)\n",
48		       offset, getname, len);
49	if (!getname)
50		FAIL("fdt_get_name(%d): %s", offset, fdt_strerror(len));
51
52	if (strcmp(getname, checkname) != 0)
53		FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"",
54		     path, getname, checkname);
55
56	if (len != strlen(getname))
57		FAIL("fdt_get_name(%s) returned length %d instead of %zd",
58		     path, len, strlen(getname));
59
60	/* Now check that it doesn't break if we omit len */
61	getname2 = fdt_get_name(fdt, offset, NULL);
62	if (!getname2)
63		FAIL("fdt_get_name(%d, NULL) failed", offset);
64	if (strcmp(getname2, getname) != 0)
65		FAIL("fdt_get_name(%d, NULL) returned \"%s\" instead of \"%s\"",
66		     offset, getname2, getname);
67}
68
69int main(int argc, char *argv[])
70{
71	void *fdt;
72
73	test_init(argc, argv);
74	fdt = load_blob_arg(argc, argv);
75
76	check_name(fdt, "/");
77	check_name(fdt, "/subnode@1");
78	check_name(fdt, "/subnode@2");
79	check_name(fdt, "/subnode@1/subsubnode");
80	check_name(fdt, "/subnode@2/subsubnode@0");
81
82	PASS();
83}
84