1*cd60bc56SAndroid Build Coastguard Worker // SPDX-License-Identifier: LGPL-2.1-or-later
2*cd60bc56SAndroid Build Coastguard Worker /*
3*cd60bc56SAndroid Build Coastguard Worker * libfdt - Flat Device Tree manipulation
4*cd60bc56SAndroid Build Coastguard Worker * Basic testcase for read-only access
5*cd60bc56SAndroid Build Coastguard Worker * Copyright (C) 2006 David Gibson, IBM Corporation.
6*cd60bc56SAndroid Build Coastguard Worker */
7*cd60bc56SAndroid Build Coastguard Worker
8*cd60bc56SAndroid Build Coastguard Worker #include <stdlib.h>
9*cd60bc56SAndroid Build Coastguard Worker #include <stdio.h>
10*cd60bc56SAndroid Build Coastguard Worker #include <string.h>
11*cd60bc56SAndroid Build Coastguard Worker #include <limits.h>
12*cd60bc56SAndroid Build Coastguard Worker #include <stdint.h>
13*cd60bc56SAndroid Build Coastguard Worker
14*cd60bc56SAndroid Build Coastguard Worker #include <libfdt.h>
15*cd60bc56SAndroid Build Coastguard Worker
16*cd60bc56SAndroid Build Coastguard Worker #include "tests.h"
17*cd60bc56SAndroid Build Coastguard Worker #include "testdata.h"
18*cd60bc56SAndroid Build Coastguard Worker
main(int argc,char * argv[])19*cd60bc56SAndroid Build Coastguard Worker int main(int argc, char *argv[])
20*cd60bc56SAndroid Build Coastguard Worker {
21*cd60bc56SAndroid Build Coastguard Worker void *fdt, *fdt1;
22*cd60bc56SAndroid Build Coastguard Worker void *buf;
23*cd60bc56SAndroid Build Coastguard Worker int oldsize, bufsize, packsize;
24*cd60bc56SAndroid Build Coastguard Worker int err;
25*cd60bc56SAndroid Build Coastguard Worker const char *inname;
26*cd60bc56SAndroid Build Coastguard Worker char outname[PATH_MAX];
27*cd60bc56SAndroid Build Coastguard Worker
28*cd60bc56SAndroid Build Coastguard Worker test_init(argc, argv);
29*cd60bc56SAndroid Build Coastguard Worker fdt = load_blob_arg(argc, argv);
30*cd60bc56SAndroid Build Coastguard Worker inname = argv[1];
31*cd60bc56SAndroid Build Coastguard Worker
32*cd60bc56SAndroid Build Coastguard Worker oldsize = fdt_totalsize(fdt);
33*cd60bc56SAndroid Build Coastguard Worker
34*cd60bc56SAndroid Build Coastguard Worker bufsize = oldsize * 2;
35*cd60bc56SAndroid Build Coastguard Worker
36*cd60bc56SAndroid Build Coastguard Worker buf = xmalloc(bufsize);
37*cd60bc56SAndroid Build Coastguard Worker /* don't leak uninitialized memory into our output */
38*cd60bc56SAndroid Build Coastguard Worker memset(buf, 0, bufsize);
39*cd60bc56SAndroid Build Coastguard Worker
40*cd60bc56SAndroid Build Coastguard Worker fdt1 = buf;
41*cd60bc56SAndroid Build Coastguard Worker err = fdt_open_into(fdt, fdt1, bufsize);
42*cd60bc56SAndroid Build Coastguard Worker if (err)
43*cd60bc56SAndroid Build Coastguard Worker FAIL("fdt_open_into(): %s", fdt_strerror(err));
44*cd60bc56SAndroid Build Coastguard Worker sprintf(outname, "opened.%s", inname);
45*cd60bc56SAndroid Build Coastguard Worker save_blob(outname, fdt1);
46*cd60bc56SAndroid Build Coastguard Worker
47*cd60bc56SAndroid Build Coastguard Worker err = fdt_pack(fdt1);
48*cd60bc56SAndroid Build Coastguard Worker if (err)
49*cd60bc56SAndroid Build Coastguard Worker FAIL("fdt_pack(): %s", fdt_strerror(err));
50*cd60bc56SAndroid Build Coastguard Worker sprintf(outname, "repacked.%s", inname);
51*cd60bc56SAndroid Build Coastguard Worker save_blob(outname, fdt1);
52*cd60bc56SAndroid Build Coastguard Worker
53*cd60bc56SAndroid Build Coastguard Worker packsize = fdt_totalsize(fdt1);
54*cd60bc56SAndroid Build Coastguard Worker
55*cd60bc56SAndroid Build Coastguard Worker verbose_printf("oldsize = %d, bufsize = %d, packsize = %d\n",
56*cd60bc56SAndroid Build Coastguard Worker oldsize, bufsize, packsize);
57*cd60bc56SAndroid Build Coastguard Worker PASS();
58*cd60bc56SAndroid Build Coastguard Worker }
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