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/*
* Copyright (c) 2016-2021 Dmitry V. Levin <ldv@strace.io>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <assert.h>
#include <unistd.h>
#include <sys/stat.h>
#define N_FDS 3
/*
* Do not print any messages, indicate errors with return codes.
*/
static int
check_fd(int fd, const char *fname)
{
const int should_be_closed = (fname[0] == '\0');
struct stat st_fd, st_fn;
if (fstat(fd, &st_fd)) {
if (!should_be_closed)
return 10 + fd;
} else {
if (should_be_closed)
return 20 + fd;
if (stat(fname, &st_fn))
return 30 + fd;
if (st_fd.st_dev != st_fn.st_dev
|| st_fd.st_ino != st_fn.st_ino)
return 40 + fd;
}
return 0;
}
int
main(int ac, char **av)
{
assert(ac == 1 + N_FDS);
int rc = 0;
for (int fd = 1; fd < 1 + N_FDS; ++fd)
if ((rc = check_fd(fd - 1, av[fd])))
break;
return rc;
}
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