1 // SPDX-License-Identifier: LGPL-2.1-or-later
2 /*
3 * libfdt - Flat Device Tree manipulation
4 * Testcase for fdt_path_offset()
5 * Copyright (C) 2006 David Gibson, IBM Corporation.
6 * Copyright 2008 Kumar Gala, Freescale Semiconductor, Inc.
7 */
8 #include <stdlib.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <stdint.h>
12
13 #include <libfdt.h>
14
15 #include "tests.h"
16 #include "testdata.h"
17
check_alias(void * fdt,const char * full_path,const char * alias_path)18 static void check_alias(void *fdt, const char *full_path, const char *alias_path)
19 {
20 int offset, offset_a;
21
22 offset = fdt_path_offset(fdt, full_path);
23 offset_a = fdt_path_offset(fdt, alias_path);
24
25 if (offset != offset_a)
26 FAIL("Mismatch between %s path_offset (%d) and %s path_offset alias (%d)",
27 full_path, offset, alias_path, offset_a);
28 }
29
main(int argc,char * argv[])30 int main(int argc, char *argv[])
31 {
32 void *fdt;
33
34 test_init(argc, argv);
35 fdt = load_blob_arg(argc, argv);
36
37 check_alias(fdt, "/subnode@1", "s1");
38 check_alias(fdt, "/subnode@1/subsubnode", "ss1");
39 check_alias(fdt, "/subnode@1/subsubnode", "s1/subsubnode");
40 check_alias(fdt, "/subnode@1/subsubnode/subsubsubnode", "sss1");
41 check_alias(fdt, "/subnode@1/subsubnode/subsubsubnode", "ss1/subsubsubnode");
42 check_alias(fdt, "/subnode@1/subsubnode/subsubsubnode", "s1/subsubnode/subsubsubnode");
43
44 PASS();
45 }
46