1 // SPDX-License-Identifier: LGPL-2.1-or-later
2 /*
3 * libfdt - Flat Device Tree manipulation
4 * Testcase for fdt_get_alias()
5 * Copyright (C) 2006 David Gibson, IBM Corporation.
6 */
7
8 #include <stdlib.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <stdint.h>
12
13 #include <libfdt.h>
14
15 #include "tests.h"
16 #include "testdata.h"
17
check_alias(void * fdt,const char * path,const char * alias)18 static void check_alias(void *fdt, const char *path, const char *alias)
19 {
20 const char *aliaspath;
21
22 aliaspath = fdt_get_alias(fdt, alias);
23
24 if (!path && !aliaspath)
25 return;
26
27 if (!aliaspath)
28 FAIL("fdt_get_alias(%s) failed\n", alias);
29
30 if (!path)
31 FAIL("fdt_get_alias(%s) returned %s instead of NULL",
32 alias, aliaspath);
33
34 if (strcmp(aliaspath, path) != 0)
35 FAIL("fdt_get_alias(%s) returned %s instead of %s\n",
36 alias, aliaspath, path);
37 }
38
main(int argc,char * argv[])39 int main(int argc, char *argv[])
40 {
41 void *fdt;
42
43 test_init(argc, argv);
44 fdt = load_blob_arg(argc, argv);
45
46 check_alias(fdt, NULL, "empty");
47 check_alias(fdt, NULL, "nonull");
48 check_alias(fdt, NULL, "relative");
49 check_alias(fdt, "/subnode@1", "s1");
50 check_alias(fdt, "/subnode@1/subsubnode", "ss1");
51 check_alias(fdt, "/subnode@1/subsubnode/subsubsubnode", "sss1");
52
53 check_alias(fdt, NULL, "loop"); // Might trigger a stack overflow
54
55 PASS();
56 }
57