1*cc7d2833Sskrll /* $NetBSD: open_pack.c,v 1.1.1.3 2019/12/22 12:34:07 skrll Exp $ */
2d89652e2Sskrll
3*cc7d2833Sskrll // SPDX-License-Identifier: LGPL-2.1-or-later
4b8ae3907Smacallan /*
5b8ae3907Smacallan * libfdt - Flat Device Tree manipulation
6b8ae3907Smacallan * Basic testcase for read-only access
7b8ae3907Smacallan * Copyright (C) 2006 David Gibson, IBM Corporation.
8b8ae3907Smacallan */
9b8ae3907Smacallan
10b8ae3907Smacallan #include <stdlib.h>
11b8ae3907Smacallan #include <stdio.h>
12b8ae3907Smacallan #include <string.h>
13b8ae3907Smacallan #include <limits.h>
14b8ae3907Smacallan #include <stdint.h>
15b8ae3907Smacallan
16b8ae3907Smacallan #include <libfdt.h>
17b8ae3907Smacallan
18b8ae3907Smacallan #include "tests.h"
19b8ae3907Smacallan #include "testdata.h"
20b8ae3907Smacallan
main(int argc,char * argv[])21b8ae3907Smacallan int main(int argc, char *argv[])
22b8ae3907Smacallan {
23b8ae3907Smacallan void *fdt, *fdt1;
24b8ae3907Smacallan void *buf;
25b8ae3907Smacallan int oldsize, bufsize, packsize;
26b8ae3907Smacallan int err;
27b8ae3907Smacallan const char *inname;
28b8ae3907Smacallan char outname[PATH_MAX];
29b8ae3907Smacallan
30b8ae3907Smacallan test_init(argc, argv);
31b8ae3907Smacallan fdt = load_blob_arg(argc, argv);
32b8ae3907Smacallan inname = argv[1];
33b8ae3907Smacallan
34b8ae3907Smacallan oldsize = fdt_totalsize(fdt);
35b8ae3907Smacallan
36b8ae3907Smacallan bufsize = oldsize * 2;
37b8ae3907Smacallan
38b8ae3907Smacallan buf = xmalloc(bufsize);
39b8ae3907Smacallan /* don't leak uninitialized memory into our output */
40b8ae3907Smacallan memset(buf, 0, bufsize);
41b8ae3907Smacallan
42b8ae3907Smacallan fdt1 = buf;
43b8ae3907Smacallan err = fdt_open_into(fdt, fdt1, bufsize);
44b8ae3907Smacallan if (err)
45b8ae3907Smacallan FAIL("fdt_open_into(): %s", fdt_strerror(err));
46b8ae3907Smacallan sprintf(outname, "opened.%s", inname);
47b8ae3907Smacallan save_blob(outname, fdt1);
48b8ae3907Smacallan
49b8ae3907Smacallan err = fdt_pack(fdt1);
50b8ae3907Smacallan if (err)
51b8ae3907Smacallan FAIL("fdt_pack(): %s", fdt_strerror(err));
52b8ae3907Smacallan sprintf(outname, "repacked.%s", inname);
53b8ae3907Smacallan save_blob(outname, fdt1);
54b8ae3907Smacallan
55b8ae3907Smacallan packsize = fdt_totalsize(fdt1);
56b8ae3907Smacallan
57b8ae3907Smacallan verbose_printf("oldsize = %d, bufsize = %d, packsize = %d\n",
58b8ae3907Smacallan oldsize, bufsize, packsize);
59b8ae3907Smacallan PASS();
60b8ae3907Smacallan }
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