31 lines
692 B
C
31 lines
692 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2015 Cedric Hnyda <ced.hnyda@gmail.com>
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*
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* Calls getrandom(2) with a NULL buffer and expects failure.
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*/
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#include "lapi/getrandom.h"
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#include "lapi/syscalls.h"
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#include "tst_test.h"
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static int modes[] = {0, GRND_RANDOM, GRND_NONBLOCK,
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GRND_RANDOM | GRND_NONBLOCK};
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static void verify_getrandom(unsigned int n)
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{
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TEST(tst_syscall(__NR_getrandom, NULL, 100, modes[n]));
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if (TST_RET == -1) {
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tst_res(TPASS | TTERRNO, "getrandom returned %ld",
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TST_RET);
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} else {
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tst_res(TFAIL | TTERRNO, "getrandom failed");
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}
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}
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static struct tst_test test = {
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.tcnt = ARRAY_SIZE(modes),
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.test = verify_getrandom,
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};
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