1 /*
2 * Copyright (c) Wipro Technologies Ltd, 2003. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11 *
12 * You should have received a copy of the GNU General Public License along
13 * with this program; if not, write the Free Software Foundation, Inc.,
14 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
15 *
16 */
17
18 /*
19 * Check that ustat() succeeds given correct parameters.
20 */
21
22 #include <unistd.h>
23 #include <errno.h>
24 #include <sys/ustat.h>
25 #include <sys/types.h>
26 #include <sys/stat.h>
27 #include "test.h"
28 #include "safe_macros.h"
29
30 static void setup(void);
31
32 char *TCID = "ustat01";
33 int TST_TOTAL = 1;
34
35 static dev_t dev_num;
36 static struct ustat ubuf;
37
main(int argc,char * argv[])38 int main(int argc, char *argv[])
39 {
40 int lc, i;
41
42 tst_parse_opts(argc, argv, NULL, NULL);
43
44 setup();
45
46 for (lc = 0; TEST_LOOPING(lc); lc++) {
47
48 tst_count = 0;
49
50 for (i = 0; i < TST_TOTAL; i++) {
51 TEST(ustat(dev_num, &ubuf));
52
53 if (TEST_RETURN == -1 && TEST_ERRNO == ENOSYS)
54 tst_brkm(TCONF, NULL, "ustat not supported");
55
56 if (TEST_RETURN == -1) {
57 tst_resm(TFAIL, "ustat(2) failed and set"
58 "the errno to %d : %s",
59 TEST_ERRNO, strerror(TEST_ERRNO));
60 } else {
61 tst_resm(TPASS, "ustat(2) passed");
62 }
63 }
64 }
65
66 tst_exit();
67 }
68
setup(void)69 static void setup(void)
70 {
71 struct stat buf;
72
73 tst_sig(NOFORK, DEF_HANDLER, NULL);
74
75 TEST_PAUSE;
76
77 /* Find a valid device number */
78 SAFE_STAT(NULL, "/", &buf);
79
80 dev_num = buf.st_dev;
81 }
82