1*cc7d2833Sskrll /* $NetBSD: node_check_compatible.c,v 1.1.1.3 2019/12/22 12:34:05 skrll Exp $ */
2d89652e2Sskrll
3*cc7d2833Sskrll // SPDX-License-Identifier: LGPL-2.1-or-later
4b8ae3907Smacallan /*
5b8ae3907Smacallan * libfdt - Flat Device Tree manipulation
6b8ae3907Smacallan * Testcase for fdt_node_check_compatible()
7b8ae3907Smacallan * Copyright (C) 2006 David Gibson, IBM Corporation.
8b8ae3907Smacallan */
9b8ae3907Smacallan
10b8ae3907Smacallan #include <stdlib.h>
11b8ae3907Smacallan #include <stdio.h>
12b8ae3907Smacallan #include <string.h>
13b8ae3907Smacallan #include <stdint.h>
14b8ae3907Smacallan
15b8ae3907Smacallan #include <libfdt.h>
16b8ae3907Smacallan
17b8ae3907Smacallan #include "tests.h"
18b8ae3907Smacallan #include "testdata.h"
19b8ae3907Smacallan
check_compatible(const void * fdt,const char * path,const char * compat)20b8ae3907Smacallan static void check_compatible(const void *fdt, const char *path,
21b8ae3907Smacallan const char *compat)
22b8ae3907Smacallan {
23b8ae3907Smacallan int offset, err;
24b8ae3907Smacallan
25b8ae3907Smacallan offset = fdt_path_offset(fdt, path);
26b8ae3907Smacallan if (offset < 0)
27b8ae3907Smacallan FAIL("fdt_path_offset(%s): %s", path, fdt_strerror(offset));
28b8ae3907Smacallan
29b8ae3907Smacallan err = fdt_node_check_compatible(fdt, offset, compat);
30b8ae3907Smacallan if (err < 0)
31b8ae3907Smacallan FAIL("fdt_node_check_compatible(%s): %s", path,
32b8ae3907Smacallan fdt_strerror(err));
33b8ae3907Smacallan if (err != 0)
34b8ae3907Smacallan FAIL("%s is not compatible with \"%s\"", path, compat);
35b8ae3907Smacallan }
36b8ae3907Smacallan
check_not_compatible(const void * fdt,const char * path,const char * compat)37*cc7d2833Sskrll static void check_not_compatible(const void *fdt, const char *path,
38*cc7d2833Sskrll const char *compat)
39*cc7d2833Sskrll {
40*cc7d2833Sskrll int offset, err;
41*cc7d2833Sskrll
42*cc7d2833Sskrll offset = fdt_path_offset(fdt, path);
43*cc7d2833Sskrll if (offset < 0)
44*cc7d2833Sskrll FAIL("fdt_path_offset(%s): %s", path, fdt_strerror(offset));
45*cc7d2833Sskrll
46*cc7d2833Sskrll err = fdt_node_check_compatible(fdt, offset, compat);
47*cc7d2833Sskrll if (err < 0)
48*cc7d2833Sskrll FAIL("fdt_node_check_compatible(%s): %s", path,
49*cc7d2833Sskrll fdt_strerror(err));
50*cc7d2833Sskrll if (err == 0)
51*cc7d2833Sskrll FAIL("%s is incorrectly compatible with \"%s\"", path, compat);
52*cc7d2833Sskrll }
53*cc7d2833Sskrll
main(int argc,char * argv[])54b8ae3907Smacallan int main(int argc, char *argv[])
55b8ae3907Smacallan {
56b8ae3907Smacallan void *fdt;
57b8ae3907Smacallan
58b8ae3907Smacallan test_init(argc, argv);
59b8ae3907Smacallan fdt = load_blob_arg(argc, argv);
60b8ae3907Smacallan
61b8ae3907Smacallan check_compatible(fdt, "/", "test_tree1");
62b8ae3907Smacallan check_compatible(fdt, "/subnode@1/subsubnode", "subsubnode1");
63b8ae3907Smacallan check_compatible(fdt, "/subnode@1/subsubnode", "subsubnode");
64*cc7d2833Sskrll check_not_compatible(fdt, "/subnode@1/subsubnode", "subsubnode2");
65b8ae3907Smacallan check_compatible(fdt, "/subnode@2/subsubnode", "subsubnode2");
66b8ae3907Smacallan check_compatible(fdt, "/subnode@2/subsubnode", "subsubnode");
67*cc7d2833Sskrll check_not_compatible(fdt, "/subnode@2/subsubnode", "subsubnode1");
68b8ae3907Smacallan
69b8ae3907Smacallan PASS();
70b8ae3907Smacallan }
71