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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2020 SUSE LLC
*
* 03/30/1992 AUTHOR: Richard Logan CO-PILOT: William Roske
*
*/
/*\
* [Description]
* Negative test for dup(2) with bad fds.
*
* [Algorithm]
* Call dup(2) with invalid argument and make sure it returns -1 with errno set
* to EBADF.
*/
#include "tst_test.h"
static struct tcase {
int fd;
int expected_errno;
} tcases[] = {
{-1, EBADF},
{1500, EBADF},
};
static void run(unsigned int n)
{
struct tcase *tc = &tcases[n];
TEST(dup(tc->fd));
if (TST_RET < -1) {
tst_res(TFAIL | TTERRNO, "Invalid dup() return value %ld",
TST_RET);
return;
}
if (TST_RET == -1) {
if (tc->expected_errno == TST_ERR) {
tst_res(TPASS | TTERRNO, "dup(%d) failed as expected",
tc->fd);
} else {
tst_res(TFAIL | TTERRNO, "dup(%d) failed unexpectedly",
tc->fd);
}
return;
}
tst_res(TFAIL, "dup(%d) succeeded unexpectedly", tc->fd);
SAFE_CLOSE(TST_RET);
}
static struct tst_test test = {
.test = run,
.tcnt = ARRAY_SIZE(tcases),
};
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