1 /* $NetBSD: rw_oom.c,v 1.1.1.1 2019/12/22 12:34:06 skrll Exp $ */
2
3 // SPDX-License-Identifier: LGPL-2.1-or-later
4 /*
5 * libfdt - Flat Device Tree manipulation
6 * Testcase for fdt_nop_node()
7 * Copyright (C) 2006 David Gibson, IBM Corporation.
8 */
9
10 #include <stdlib.h>
11 #include <stdio.h>
12 #include <string.h>
13 #include <ctype.h>
14 #include <stdint.h>
15
16 #include <libfdt.h>
17
18 #include "tests.h"
19 #include "testdata.h"
20
21 /* This is not derived programmatically. May require adjustment to changes. */
22 #define SPACE 285
23
24 #define CHECK(code) \
25 { \
26 err = (code); \
27 if (err) \
28 FAIL(#code ": %s", fdt_strerror(err)); \
29 }
30
31 #define OFF_CHECK(off, code) \
32 { \
33 (off) = (code); \
34 if (off < 0) \
35 FAIL(#code ": %s", fdt_strerror(off)); \
36 }
37
main(int argc,char * argv[])38 int main(int argc, char *argv[])
39 {
40 void *fdt;
41 int err;
42 int offset, s1;
43 int strsize1, strsize2;
44
45 /*
46 * Check OOM path, and check that property is cleaned up if it fails
47 * with OOM, rather than adding an orphan name.
48 *
49 * SW OOM is tested with the realloc/resize strategies.
50 */
51 test_init(argc, argv);
52
53 fdt = xmalloc(SPACE);
54
55 /* First create empty tree with SW */
56 CHECK(fdt_create_empty_tree(fdt, SPACE));
57
58 CHECK(fdt_add_mem_rsv(fdt, TEST_ADDR_1, TEST_SIZE_1));
59 CHECK(fdt_add_mem_rsv(fdt, TEST_ADDR_2, TEST_SIZE_2));
60
61 CHECK(fdt_setprop_string(fdt, 0, "compatible", "test_oom"));
62 CHECK(fdt_setprop_u32(fdt, 0, "prop-int", TEST_VALUE_1));
63 CHECK(fdt_setprop_u64(fdt, 0, "prop-int64", TEST_VALUE64_1));
64 CHECK(fdt_setprop_string(fdt, 0, "prop-str", TEST_STRING_1));
65
66 OFF_CHECK(offset, fdt_add_subnode(fdt, 0, "subnode@1"));
67 s1 = offset;
68
69 strsize1 = fdt_size_dt_strings(fdt);
70 err = fdt_setprop_string(fdt, s1, "unique", "subnode1");
71 if (err != -FDT_ERR_NOSPACE)
72 FAIL("fdt_setprop_string(fdt, s1, \"compatible\", \"subnode1\"): %s", fdt_strerror(err));
73 strsize2 = fdt_size_dt_strings(fdt);
74
75 if (strsize1 != strsize2)
76 FAIL("fdt_setprop NOSPACE error failed to clean up allocated string\n");
77 err = 0;
78
79 /* Ensure we failed in the right place */
80 CHECK(fdt_setprop_string(fdt, s1, "unique", ""));
81
82 CHECK(fdt_pack(fdt));
83
84 PASS();
85 }
86