1*49cdfc7eSAndroid Build Coastguard Worker // SPDX-License-Identifier: GPL-2.0-or-later
2*49cdfc7eSAndroid Build Coastguard Worker /*
3*49cdfc7eSAndroid Build Coastguard Worker * Copyright (C) 2015 Cedric Hnyda <[email protected]>
4*49cdfc7eSAndroid Build Coastguard Worker *
5*49cdfc7eSAndroid Build Coastguard Worker * Calls getrandom(2) with a NULL buffer and expects failure.
6*49cdfc7eSAndroid Build Coastguard Worker */
7*49cdfc7eSAndroid Build Coastguard Worker
8*49cdfc7eSAndroid Build Coastguard Worker #include "tst_test.h"
9*49cdfc7eSAndroid Build Coastguard Worker #include "lapi/getrandom.h"
10*49cdfc7eSAndroid Build Coastguard Worker #include "lapi/syscalls.h"
11*49cdfc7eSAndroid Build Coastguard Worker
12*49cdfc7eSAndroid Build Coastguard Worker static int modes[] = {0, GRND_RANDOM, GRND_NONBLOCK,
13*49cdfc7eSAndroid Build Coastguard Worker GRND_RANDOM | GRND_NONBLOCK};
14*49cdfc7eSAndroid Build Coastguard Worker
verify_getrandom(unsigned int n)15*49cdfc7eSAndroid Build Coastguard Worker static void verify_getrandom(unsigned int n)
16*49cdfc7eSAndroid Build Coastguard Worker {
17*49cdfc7eSAndroid Build Coastguard Worker TEST(tst_syscall(__NR_getrandom, NULL, 100, modes[n]));
18*49cdfc7eSAndroid Build Coastguard Worker
19*49cdfc7eSAndroid Build Coastguard Worker if (TST_RET == -1) {
20*49cdfc7eSAndroid Build Coastguard Worker tst_res(TPASS | TTERRNO, "getrandom returned %ld",
21*49cdfc7eSAndroid Build Coastguard Worker TST_RET);
22*49cdfc7eSAndroid Build Coastguard Worker } else {
23*49cdfc7eSAndroid Build Coastguard Worker tst_res(TFAIL | TTERRNO, "getrandom failed");
24*49cdfc7eSAndroid Build Coastguard Worker }
25*49cdfc7eSAndroid Build Coastguard Worker }
26*49cdfc7eSAndroid Build Coastguard Worker
27*49cdfc7eSAndroid Build Coastguard Worker static struct tst_test test = {
28*49cdfc7eSAndroid Build Coastguard Worker .tcnt = ARRAY_SIZE(modes),
29*49cdfc7eSAndroid Build Coastguard Worker .test = verify_getrandom,
30*49cdfc7eSAndroid Build Coastguard Worker };
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