xref: /netbsd-src/external/gpl2/dtc/dist/tests/notfound.c (revision cc7d2833ecf67da5a5ddc470841931eb9f6723e4)
1 /*	$NetBSD: notfound.c,v 1.1.1.3 2019/12/22 12:34:07 skrll Exp $	*/
2 
3 // SPDX-License-Identifier: LGPL-2.1-or-later
4 /*
5  * libfdt - Flat Device Tree manipulation
6  *	Testcase for behaviour on searching for a non-existent node
7  * Copyright (C) 2006 David Gibson, IBM Corporation.
8  */
9 #include <stdlib.h>
10 #include <stdio.h>
11 #include <string.h>
12 #include <stdint.h>
13 
14 #include <libfdt.h>
15 
16 #include "tests.h"
17 #include "testdata.h"
18 
check_error(const char * s,int err)19 static void check_error(const char *s, int err)
20 {
21 	if (err != -FDT_ERR_NOTFOUND)
22 		FAIL("%s return error %s instead of -FDT_ERR_NOTFOUND", s,
23 		     fdt_strerror(err));
24 }
25 
main(int argc,char * argv[])26 int main(int argc, char *argv[])
27 {
28 	void *fdt;
29 	int offset;
30 	int subnode1_offset;
31 	int lenerr;
32 
33 	test_init(argc, argv);
34 	fdt = load_blob_arg(argc, argv);
35 
36 	fdt_get_property(fdt, 0, "nonexistant-property", &lenerr);
37 	check_error("fdt_get_property(\"nonexistant-property\")", lenerr);
38 
39 	fdt_getprop(fdt, 0, "nonexistant-property", &lenerr);
40 	check_error("fdt_getprop(\"nonexistant-property\"", lenerr);
41 
42 	subnode1_offset = fdt_subnode_offset(fdt, 0, "subnode@1");
43 	if (subnode1_offset < 0)
44 		FAIL("Couldn't find subnode1: %s", fdt_strerror(subnode1_offset));
45 
46 	fdt_getprop(fdt, subnode1_offset, "prop-str", &lenerr);
47 	check_error("fdt_getprop(\"prop-str\")", lenerr);
48 
49 	offset = fdt_subnode_offset(fdt, 0, "nonexistant-subnode");
50 	check_error("fdt_subnode_offset(\"nonexistant-subnode\")", offset);
51 
52 	offset = fdt_subnode_offset(fdt, 0, "subsubnode");
53 	check_error("fdt_subnode_offset(\"subsubnode\")", offset);
54 
55 	offset = fdt_path_offset(fdt, "/nonexistant-subnode");
56 	check_error("fdt_path_offset(\"/nonexistant-subnode\")", offset);
57 
58 	PASS();
59 }
60