1 // SPDX-License-Identifier: LGPL-2.1-or-later
2 /*
3 * libfdt - Flat Device Tree manipulation
4 * Tests if two given dtbs are structurally equal (including order)
5 * Copyright (C) 2007 David Gibson, IBM Corporation.
6 */
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
18 static int expect_bad; /* = 0 */
19
main(int argc,char * argv[])20 int main(int argc, char *argv[])
21 {
22 const char *filename;
23 char *fdt;
24 size_t len;
25 int err;
26
27 test_init(argc, argv);
28 if ((argc != 2)
29 && ((argc != 3) || !streq(argv[1], "-n")))
30 CONFIG("Usage: %s [-n] <dtb file>", argv[0]);
31 if (argc == 3)
32 expect_bad = 1;
33
34 filename = argv[argc-1];
35 err = utilfdt_read_err(filename, &fdt, &len);
36 if (err)
37 CONFIG("Couldn't open blob from \"%s\": %s",
38 filename, strerror(err));
39
40 vg_prepare_blob(fdt, len);
41
42 err = fdt_check_full(fdt, len);
43
44 if (expect_bad && (err == 0))
45 FAIL("fdt_check_full() succeeded unexpectedly");
46 else if (!expect_bad && (err != 0))
47 FAIL("fdt_check_full() failed: %s", fdt_strerror(err));
48
49 PASS();
50 }
51