1 /*
2 * libfdt - Flat Device Tree manipulation
3 * Testcase for behaviour on searching for a non-existent node
4 * Copyright (C) 2006 David Gibson, IBM Corporation.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation; either version 2.1 of
9 * the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20 #include <stdlib.h>
21 #include <stdio.h>
22 #include <string.h>
23 #include <stdint.h>
24
25 #include <libfdt.h>
26
27 #include "tests.h"
28 #include "testdata.h"
29
check_error(const char * s,int err)30 static void check_error(const char *s, int err)
31 {
32 if (err != -FDT_ERR_NOTFOUND)
33 FAIL("%s return error %s instead of -FDT_ERR_NOTFOUND", s,
34 fdt_strerror(err));
35 }
36
main(int argc,char * argv[])37 int main(int argc, char *argv[])
38 {
39 void *fdt;
40 int offset;
41 int subnode1_offset;
42 int lenerr;
43
44 test_init(argc, argv);
45 fdt = load_blob_arg(argc, argv);
46
47 fdt_get_property(fdt, 0, "nonexistant-property", &lenerr);
48 check_error("fdt_get_property(\"nonexistant-property\")", lenerr);
49
50 fdt_getprop(fdt, 0, "nonexistant-property", &lenerr);
51 check_error("fdt_getprop(\"nonexistant-property\"", lenerr);
52
53 subnode1_offset = fdt_subnode_offset(fdt, 0, "subnode@1");
54 if (subnode1_offset < 0)
55 FAIL("Couldn't find subnode1: %s", fdt_strerror(subnode1_offset));
56
57 fdt_getprop(fdt, subnode1_offset, "prop-str", &lenerr);
58 check_error("fdt_getprop(\"prop-str\")", lenerr);
59
60 offset = fdt_subnode_offset(fdt, 0, "nonexistant-subnode");
61 check_error("fdt_subnode_offset(\"nonexistant-subnode\")", offset);
62
63 offset = fdt_subnode_offset(fdt, 0, "subsubnode");
64 check_error("fdt_subnode_offset(\"subsubnode\")", offset);
65
66 offset = fdt_path_offset(fdt, "/nonexistant-subnode");
67 check_error("fdt_path_offset(\"/nonexistant-subnode\")", offset);
68
69 PASS();
70 }
71