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45 lines
806 B
45 lines
806 B
7 months ago
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// 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), check that the return value is equal to the
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* number of bytes required and expects success.
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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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#define MAX_SIZE 256
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static unsigned int sizes[] = {
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1,
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2,
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3,
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7,
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8,
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15,
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22,
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64,
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127,
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};
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static void verify_getrandom(unsigned int n)
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{
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char buf[MAX_SIZE];
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TEST(tst_syscall(__NR_getrandom, buf, sizes[n], 0));
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if (TST_RET != sizes[n]) {
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tst_res(TFAIL | TTERRNO, "getrandom returned %li, expected %u",
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TST_RET, sizes[n]);
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} else {
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tst_res(TPASS, "getrandom returned %ld", TST_RET);
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}
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}
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static struct tst_test test = {
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.tcnt = ARRAY_SIZE(sizes),
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.test = verify_getrandom,
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};
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