/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief Rename a File
* @ingroup libcsupport
*/
/*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* Modifications to support reference counting in the file system are
* Copyright (c) 2012 embedded brains GmbH & Co. KG
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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
#if defined(RTEMS_NEWLIB) && !defined(HAVE__RENAME_R)
#include <stdio.h>
#include <rtems/libio_.h>
/**
* POSIX 1003.1b - 5.3.4 - Rename a file
*/
int _rename_r(
struct _reent *ptr RTEMS_UNUSED,
const char *old,
const char *new
)
{
int rv = 0;
rtems_filesystem_eval_path_context_t old_ctx;
int old_eval_flags = 0;
rtems_filesystem_location_info_t old_parentloc;
int old_parent_eval_flags = RTEMS_FS_PERMS_WRITE
| RTEMS_FS_FOLLOW_HARD_LINK;
const rtems_filesystem_location_info_t *old_currentloc =
rtems_filesystem_eval_path_start_with_parent(
&old_ctx,
old,
old_eval_flags,
&old_parentloc,
old_parent_eval_flags
);
rtems_filesystem_eval_path_context_t new_ctx;
/* FIXME: This is not POSIX conform */
int new_eval_flags = RTEMS_FS_FOLLOW_HARD_LINK
| RTEMS_FS_MAKE
| RTEMS_FS_EXCLUSIVE;
const rtems_filesystem_location_info_t *new_currentloc =
rtems_filesystem_eval_path_start( &new_ctx, new, new_eval_flags );
rv = rtems_filesystem_location_exists_in_same_instance_as(
old_currentloc,
new_currentloc
);
if ( rv == 0 ) {
rv = (*new_currentloc->mt_entry->ops->rename_h)(
&old_parentloc,
old_currentloc,
new_currentloc,
rtems_filesystem_eval_path_get_token( &new_ctx ),
rtems_filesystem_eval_path_get_tokenlen( &new_ctx )
);
}
rtems_filesystem_eval_path_cleanup_with_parent( &old_ctx, &old_parentloc );
rtems_filesystem_eval_path_cleanup( &new_ctx );
return rv;
}
#endif
