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/*
* Copyright (c) 2000 Kungliga Tekniska Hgskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>
#include <dirent.h>
#include <err.h>
static void
emkdir(const char *path, mode_t mode)
{
int ret;
ret = mkdir(path, mode);
if (ret < 0)
err(1, "mkdir %s", path);
}
static void
elstat(const char *path, struct stat *sb)
{
int ret;
ret = lstat(path, sb);
if (ret < 0)
err(1, "lstat %s", path);
}
static void
check_inum(const struct stat *sb1, const struct stat *sb2)
{
if (sb1->st_ino != sb2->st_ino)
errx(1, "wrong inode-number %u != %u", (unsigned)sb1->st_ino,
(unsigned)sb2->st_ino);
}
int
main(int argc, char **argv)
{
int ret;
struct stat old_sb, new_sb, dot_sb;
emkdir("old_parent", 0777);
emkdir("new_parent", 0777);
emkdir("old_parent/victim", 0777);
elstat("old_parent", &old_sb);
elstat("new_parent", &new_sb);
elstat("old_parent/victim/..", &dot_sb);
check_inum(&old_sb, &dot_sb);
ret = rename("old_parent/victim", "new_parent/victim");
if (ret < 0)
err(1, "rename old_parent/victim new_parent/victim");
elstat("new_parent/victim/..", &dot_sb);
check_inum(&new_sb, &dot_sb);
return 0;
}
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