1 // SPDX-License-Identifier: LGPL-2.1-or-later
2 /*
3 * libfdt - Flat Device Tree manipulation
4 * Testcase for fdt_nop_node()
5 * Copyright (C) 2006 David Gibson, IBM Corporation.
6 */
7
8 #include <stdlib.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <ctype.h>
12 #include <stdint.h>
13
14 #include <libfdt.h>
15
16 #include "tests.h"
17 #include "testdata.h"
18
19 /* This is not derived programmatically. May require adjustment to changes. */
20 #define SPACE 285
21
22 #define CHECK(code) \
23 { \
24 err = (code); \
25 if (err) \
26 FAIL(#code ": %s", fdt_strerror(err)); \
27 }
28
29 #define OFF_CHECK(off, code) \
30 { \
31 (off) = (code); \
32 if (off < 0) \
33 FAIL(#code ": %s", fdt_strerror(off)); \
34 }
35
main(int argc,char * argv[])36 int main(int argc, char *argv[])
37 {
38 void *fdt;
39 int err;
40 int offset, s1;
41 int strsize1, strsize2;
42
43 /*
44 * Check OOM path, and check that property is cleaned up if it fails
45 * with OOM, rather than adding an orphan name.
46 *
47 * SW OOM is tested with the realloc/resize strategies.
48 */
49 test_init(argc, argv);
50
51 fdt = xmalloc(SPACE);
52
53 /* First create empty tree with SW */
54 CHECK(fdt_create_empty_tree(fdt, SPACE));
55
56 CHECK(fdt_add_mem_rsv(fdt, TEST_ADDR_1, TEST_SIZE_1));
57 CHECK(fdt_add_mem_rsv(fdt, TEST_ADDR_2, TEST_SIZE_2));
58
59 CHECK(fdt_setprop_string(fdt, 0, "compatible", "test_oom"));
60 CHECK(fdt_setprop_u32(fdt, 0, "prop-int", TEST_VALUE_1));
61 CHECK(fdt_setprop_u64(fdt, 0, "prop-int64", TEST_VALUE64_1));
62 CHECK(fdt_setprop_string(fdt, 0, "prop-str", TEST_STRING_1));
63
64 OFF_CHECK(offset, fdt_add_subnode(fdt, 0, "subnode@1"));
65 s1 = offset;
66
67 strsize1 = fdt_size_dt_strings(fdt);
68 err = fdt_setprop_string(fdt, s1, "unique", "subnode1");
69 if (err != -FDT_ERR_NOSPACE)
70 FAIL("fdt_setprop_string(fdt, s1, \"compatible\", \"subnode1\"): %s", fdt_strerror(err));
71 strsize2 = fdt_size_dt_strings(fdt);
72
73 if (strsize1 != strsize2)
74 FAIL("fdt_setprop NOSPACE error failed to clean up allocated string\n");
75 err = 0;
76
77 /* Ensure we failed in the right place */
78 CHECK(fdt_setprop_string(fdt, s1, "unique", ""));
79
80 CHECK(fdt_pack(fdt));
81
82 PASS();
83 }
84