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/*
* Check decoding of fchownat syscall.
*
* Copyright (c) 2016-2018 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <asm/unistd.h>
#include <fcntl.h>
#if defined __NR_fchownat && defined AT_FDCWD && defined AT_SYMLINK_NOFOLLOW
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
static const char sample[] = "fchownat_sample";
uid_t uid = geteuid();
uid_t gid = getegid();
if (open(sample, O_RDONLY | O_CREAT, 0400) == -1)
perror_msg_and_fail("open");
long rc = syscall(__NR_fchownat, AT_FDCWD, sample, uid, gid, 0);
printf("fchownat(AT_FDCWD, \"%s\", %d, %d, 0) = %s\n",
sample, uid, gid, sprintrc(rc));
if (unlink(sample))
perror_msg_and_fail("unlink");
rc = syscall(__NR_fchownat, AT_FDCWD,
sample, -1, -1L, AT_SYMLINK_NOFOLLOW);
printf("fchownat(AT_FDCWD, \"%s\", -1, -1, AT_SYMLINK_NOFOLLOW) = %s\n",
sample, sprintrc(rc));
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_fchownat && AT_FDCWD && AT_SYMLINK_NOFOLLOW")
#endif
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