unplugged-system/external/ltp/testcases/kernel/syscalls/rename/rename13.c

55 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) International Business Machines Corp., 2001
* 07/2001 Ported by Wayne Boyer
* Copyright (c) 2022 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com>
*/
/*\
* [Description]
*
* Verify that rename() does nothing and returns a success status when
* oldpath and newpath are existing hard links referring to the same file.
*/
#include <stdio.h>
#include "tst_test.h"
#define MNT_POINT "mntpoint"
#define TEMP_FILE1 MNT_POINT"/tmpfile1"
#define TEMP_FILE2 MNT_POINT"/tmpfile2"
static struct stat buf1, buf2;
static void setup(void)
{
SAFE_TOUCH(TEMP_FILE1, 0700, NULL);
SAFE_STAT(TEMP_FILE1, &buf1);
SAFE_LINK(TEMP_FILE1, TEMP_FILE2);
}
static void run(void)
{
TST_EXP_PASS(rename(TEMP_FILE1, TEMP_FILE1));
if (TST_RET != 0)
return;
SAFE_STAT(TEMP_FILE2, &buf2);
TST_EXP_EQ_LU(buf1.st_dev, buf2.st_dev);
TST_EXP_EQ_LU(buf1.st_ino, buf2.st_ino);
}
static struct tst_test test = {
.setup = setup,
.test_all = run,
.needs_root = 1,
.mntpoint = MNT_POINT,
.mount_device = 1,
.all_filesystems = 1,
.skip_filesystems = (const char *const[]){
"exfat",
"vfat",
NULL
},
};