xref: /netbsd-src/external/gpl2/dtc/dist/tests/get_alias.c (revision cc7d2833ecf67da5a5ddc470841931eb9f6723e4)
1 /*	$NetBSD: get_alias.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 fdt_get_alias()
7  * Copyright (C) 2006 David Gibson, IBM Corporation.
8  */
9 
10 #include <stdlib.h>
11 #include <stdio.h>
12 #include <string.h>
13 #include <stdint.h>
14 
15 #include <libfdt.h>
16 
17 #include "tests.h"
18 #include "testdata.h"
19 
check_alias(void * fdt,const char * path,const char * alias)20 static void check_alias(void *fdt, const char *path, const char *alias)
21 {
22 	const char *aliaspath;
23 
24 	aliaspath = fdt_get_alias(fdt, alias);
25 
26 	if (path && !aliaspath)
27 		FAIL("fdt_get_alias(%s) failed\n", alias);
28 
29 	if (strcmp(aliaspath, path) != 0)
30 		FAIL("fdt_get_alias(%s) returned %s instead of %s\n",
31 		     alias, aliaspath, path);
32 }
33 
main(int argc,char * argv[])34 int main(int argc, char *argv[])
35 {
36 	void *fdt;
37 
38 	test_init(argc, argv);
39 	fdt = load_blob_arg(argc, argv);
40 
41 	check_alias(fdt, "/subnode@1", "s1");
42 	check_alias(fdt, "/subnode@1/subsubnode", "ss1");
43 	check_alias(fdt, "/subnode@1/subsubnode/subsubsubnode", "sss1");
44 
45 	PASS();
46 }
47