1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/*
* Check decoding of fchmodat 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>
#ifdef __NR_fchmodat
# include <fcntl.h>
# include <sys/stat.h>
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
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));
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_fchmodat")
#endif
|
