1 /*
2 * libfdt - Flat Device Tree manipulation
3 * Testcase for fdt_set_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_set_name(void * fdt,const char * path,const char * newname)30 static void check_set_name(void *fdt, const char *path, const char *newname)
31 {
32 int offset;
33 const char *getname, *oldname;
34 int len, err;
35
36 oldname = strrchr(path, '/');
37 if (!oldname)
38 TEST_BUG();
39 oldname += 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, oldname) != 0)
52 FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"",
53 path, getname, oldname);
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 err = fdt_set_name(fdt, offset, newname);
60 if (err)
61 FAIL("fdt_set_name(%d, \"%s\"): %s", offset, newname,
62 fdt_strerror(err));
63
64 getname = fdt_get_name(fdt, offset, &len);
65 if (!getname)
66 FAIL("fdt_get_name(%d): %s", offset, fdt_strerror(len));
67
68 if (strcmp(getname, newname) != 0)
69 FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"",
70 path, getname, newname);
71
72 if (len != strlen(getname))
73 FAIL("fdt_get_name(%s) returned length %d instead of %zd",
74 path, len, strlen(getname));
75 }
76
main(int argc,char * argv[])77 int main(int argc, char *argv[])
78 {
79 void *fdt;
80
81 test_init(argc, argv);
82 fdt = load_blob_arg(argc, argv);
83 fdt = open_blob_rw(fdt);
84
85 check_set_name(fdt, "/subnode@1", "subnode@17");
86 check_set_name(fdt, "/subnode@2/subsubnode@0", "fred@0");
87 check_set_name(fdt, "/subnode@17/subsubnode", "something@0");
88
89 PASS();
90 }
91