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/*
* Check decoding of fchmodat syscall.
*
* Copyright (c) 2016-2018 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2016-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#ifdef __NR_fchmodat
# include <fcntl.h>
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
/*
* Make sure the current workdir of the tracee
* is different from the current workdir of the tracer.
*/
create_and_enter_subdir("fchmodat_subdir");
static const char sample[] = "fchmodat_sample";
if (open(sample, O_RDONLY | O_CREAT, 0400) < 0)
perror_msg_and_fail("open");
long rc = syscall(__NR_fchmodat, -100, sample, 0600);
printf("fchmodat(AT_FDCWD, \"%s\", 0600) = %s\n",
sample, sprintrc(rc));
if (unlink(sample))
perror_msg_and_fail("unlink");
rc = syscall(__NR_fchmodat, -100, sample, 051);
printf("fchmodat(AT_FDCWD, \"%s\", 051) = %s\n",
sample, sprintrc(rc));
rc = syscall(__NR_fchmodat, -100, sample, 004);
printf("fchmodat(AT_FDCWD, \"%s\", 004) = %s\n",
sample, sprintrc(rc));
leave_and_remove_subdir();
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_fchmodat")
#endif
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