1 // SPDX-License-Identifier: LGPL-2.1-or-later
2 /*
3 * libfdt - Flat Device Tree manipulation
4 * Testcase for behaviour on searching for a non-existent node
5 * Copyright (C) 2006 David Gibson, IBM Corporation.
6 */
7 #include <stdlib.h>
8 #include <stdio.h>
9 #include <string.h>
10 #include <stdint.h>
11
12 #include <libfdt.h>
13
14 #include "tests.h"
15 #include "testdata.h"
16
check_error(const char * s,int err)17 static void check_error(const char *s, int err)
18 {
19 if (err != -FDT_ERR_NOTFOUND)
20 FAIL("%s return error %s instead of -FDT_ERR_NOTFOUND", s,
21 fdt_strerror(err));
22 }
23
main(int argc,char * argv[])24 int main(int argc, char *argv[])
25 {
26 void *fdt;
27 int offset;
28 int subnode1_offset;
29 int lenerr;
30
31 test_init(argc, argv);
32 fdt = load_blob_arg(argc, argv);
33
34 fdt_get_property(fdt, 0, "nonexistant-property", &lenerr);
35 check_error("fdt_get_property(\"nonexistant-property\")", lenerr);
36
37 fdt_getprop(fdt, 0, "nonexistant-property", &lenerr);
38 check_error("fdt_getprop(\"nonexistant-property\"", lenerr);
39
40 subnode1_offset = fdt_subnode_offset(fdt, 0, "subnode@1");
41 if (subnode1_offset < 0)
42 FAIL("Couldn't find subnode1: %s", fdt_strerror(subnode1_offset));
43
44 fdt_getprop(fdt, subnode1_offset, "prop-str", &lenerr);
45 check_error("fdt_getprop(\"prop-str\")", lenerr);
46
47 offset = fdt_subnode_offset(fdt, 0, "nonexistant-subnode");
48 check_error("fdt_subnode_offset(\"nonexistant-subnode\")", offset);
49
50 offset = fdt_subnode_offset(fdt, 0, "subsubnode");
51 check_error("fdt_subnode_offset(\"subsubnode\")", offset);
52
53 offset = fdt_path_offset(fdt, "/nonexistant-subnode");
54 check_error("fdt_path_offset(\"/nonexistant-subnode\")", offset);
55
56 PASS();
57 }
58