1 /*
2 * libfdt - Flat Device Tree manipulation
3 * Testcase for fdt_delprop()
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
21 #include <stdlib.h>
22 #include <stdio.h>
23 #include <string.h>
24 #include <ctype.h>
25 #include <stdint.h>
26
27 #include <libfdt.h>
28
29 #include "tests.h"
30 #include "testdata.h"
31
main(int argc,char * argv[])32 int main(int argc, char *argv[])
33 {
34 void *fdt;
35 const uint32_t *intp;
36 const char *strp;
37 int err, lenerr;
38 int oldsize, delsize, newsize;
39
40 test_init(argc, argv);
41 fdt = load_blob_arg(argc, argv);
42
43 fdt = open_blob_rw(fdt);
44
45 oldsize = fdt_totalsize(fdt);
46
47 intp = check_getprop_cell(fdt, 0, "prop-int", TEST_VALUE_1);
48 verbose_printf("int value was 0x%08x\n", *intp);
49
50 err = fdt_delprop(fdt, 0, "prop-int");
51 if (err)
52 FAIL("Failed to delete \"prop-int\": %s", fdt_strerror(err));
53
54 intp = fdt_getprop(fdt, 0, "prop-int", &lenerr);
55 if (intp)
56 FAIL("prop-int still present after deletion");
57 if (lenerr != -FDT_ERR_NOTFOUND)
58 FAIL("Unexpected error on second getprop: %s",
59 fdt_strerror(lenerr));
60
61 strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1,
62 TEST_STRING_1);
63 verbose_printf("string value was \"%s\"\n", strp);
64 err = fdt_delprop(fdt, 0, "prop-str");
65 if (err)
66 FAIL("Failed to delete \"prop-str\": %s", fdt_strerror(err));
67
68 strp = fdt_getprop(fdt, 0, "prop-str", &lenerr);
69 if (strp)
70 FAIL("prop-str still present after deletion");
71 if (lenerr != -FDT_ERR_NOTFOUND)
72 FAIL("Unexpected error on second getprop: %s",
73 fdt_strerror(lenerr));
74
75 delsize = fdt_totalsize(fdt);
76
77 err = fdt_pack(fdt);
78 if (err)
79 FAIL("fdt_pack(): %s\n", fdt_strerror(err));
80
81 newsize = fdt_totalsize(fdt);
82
83 verbose_printf("oldsize = %d, delsize = %d, newsize = %d\n",
84 oldsize, delsize, newsize);
85
86 if (newsize >= oldsize)
87 FAIL("Tree failed to shrink after deletions");
88
89 PASS();
90 }
91