1 /*
2 * Copyright (C) 2015 Cedric Hnyda ced.hnyda@gmail.com
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 * Further, this software is distributed without any warranty that it is
13 * free of the rightful claim of any third person regarding infringement
14 * or the like. Any license provided herein, whether implied or
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
18 *
19 */
20
21 /*
22 * AUTHOR : Cédric Hnyda
23 * DATE STARTED : 06/13/2015
24 *
25 * Calls getrandom(2) with a NULL buffer and expects failure.
26 *
27 */
28
29 #include "lapi/getrandom.h"
30 #include "linux_syscall_numbers.h"
31 #include "test.h"
32
33 char *TCID = "getrandom01";
34 static int modes[] = { 0, GRND_RANDOM, GRND_NONBLOCK,
35 GRND_RANDOM | GRND_NONBLOCK };
36
37 int TST_TOTAL = ARRAY_SIZE(modes);
38
main(int ac,char ** av)39 int main(int ac, char **av)
40 {
41 int lc, i;
42
43 tst_parse_opts(ac, av, NULL, NULL);
44
45 for (lc = 0; TEST_LOOPING(lc); lc++) {
46
47 tst_count = 0;
48
49 for (i = 0; i < TST_TOTAL; i++) {
50 TEST(ltp_syscall(__NR_getrandom, NULL, 100, modes[i]));
51 if (TEST_RETURN == -1) {
52 tst_resm(TPASS, "getrandom returned %ld",
53 TEST_RETURN);
54 } else {
55 tst_resm(TFAIL | TTERRNO, "getrandom failed");
56 }
57 }
58 }
59 tst_exit();
60 }
61