1 /*
2 * libfdt - Flat Device Tree manipulation
3 * Testcase for fdt_get_name()
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_name(void * fdt,const char * path)30 static void check_name(void *fdt, const char *path)
31 {
32 int offset;
33 const char *getname, *getname2, *checkname;
34 int len;
35
36 checkname = strrchr(path, '/');
37 if (!checkname)
38 TEST_BUG();
39 checkname += 1;
40
41 offset = fdt_path_offset(fdt, path);
42 if (offset < 0)
43 FAIL("Couldn't find %s", path);
44
45 getname = fdt_get_name(fdt, offset, &len);
46 verbose_printf("fdt_get_name(%d) returns \"%s\" (len=%d)\n",
47 offset, getname, len);
48 if (!getname)
49 FAIL("fdt_get_name(%d): %s", offset, fdt_strerror(len));
50
51 if (strcmp(getname, checkname) != 0)
52 FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"",
53 path, getname, checkname);
54
55 if (len != strlen(getname))
56 FAIL("fdt_get_name(%s) returned length %d instead of %zd",
57 path, len, strlen(getname));
58
59 /* Now check that it doesn't break if we omit len */
60 getname2 = fdt_get_name(fdt, offset, NULL);
61 if (!getname2)
62 FAIL("fdt_get_name(%d, NULL) failed", offset);
63 if (strcmp(getname2, getname) != 0)
64 FAIL("fdt_get_name(%d, NULL) returned \"%s\" instead of \"%s\"",
65 offset, getname2, getname);
66 }
67
main(int argc,char * argv[])68 int main(int argc, char *argv[])
69 {
70 void *fdt;
71
72 test_init(argc, argv);
73 fdt = load_blob_arg(argc, argv);
74
75 check_name(fdt, "/");
76 check_name(fdt, "/subnode@1");
77 check_name(fdt, "/subnode@2");
78 check_name(fdt, "/subnode@1/subsubnode");
79 check_name(fdt, "/subnode@2/subsubnode@0");
80
81 PASS();
82 }
83