mirror of https://github.com/torvalds/linux.git
39 lines
819 B
C
39 lines
819 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
#define _GNU_SOURCE
|
|
#define __SANE_USERSPACE_TYPES__
|
|
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/xattr.h>
|
|
|
|
#include "../kselftest_harness.h"
|
|
#include "wrappers.h"
|
|
|
|
TEST(kernfs_listxattr)
|
|
{
|
|
int fd;
|
|
|
|
/* Read-only file that can never have any extended attributes set. */
|
|
fd = open("/sys/kernel/warn_count", O_RDONLY | O_CLOEXEC);
|
|
ASSERT_GE(fd, 0);
|
|
ASSERT_EQ(flistxattr(fd, NULL, 0), 0);
|
|
EXPECT_EQ(close(fd), 0);
|
|
}
|
|
|
|
TEST(kernfs_getxattr)
|
|
{
|
|
int fd;
|
|
char buf[1];
|
|
|
|
/* Read-only file that can never have any extended attributes set. */
|
|
fd = open("/sys/kernel/warn_count", O_RDONLY | O_CLOEXEC);
|
|
ASSERT_GE(fd, 0);
|
|
ASSERT_LT(fgetxattr(fd, "user.foo", buf, sizeof(buf)), 0);
|
|
ASSERT_EQ(errno, ENODATA);
|
|
EXPECT_EQ(close(fd), 0);
|
|
}
|
|
|
|
TEST_HARNESS_MAIN
|
|
|