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/**
* @file
*
* @brief IMFS Rename
* @ingroup IMFS
*/
/*
* COPYRIGHT (c) 1989-2010.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/imfs.h>
#include <string.h>
#include <stdlib.h>
int IMFS_rename(
const rtems_filesystem_location_info_t *oldparentloc,
const rtems_filesystem_location_info_t *oldloc,
const rtems_filesystem_location_info_t *newparentloc,
const char *name,
size_t namelen
)
{
IMFS_jnode_t *node = oldloc->node_access;
IMFS_jnode_t *new_parent = newparentloc->node_access;
char *allocated_name;
/*
* FIXME: Due to insufficient checks we can create inaccessible nodes with
* this operation.
*/
if ( node->Parent == NULL ) {
rtems_set_errno_and_return_minus_one( EINVAL );
}
if ( namelen >= IMFS_NAME_MAX ) {
rtems_set_errno_and_return_minus_one( ENAMETOOLONG );
}
allocated_name = malloc( namelen );
if ( allocated_name == NULL ) {
rtems_set_errno_and_return_minus_one( ENOMEM );
}
memcpy( allocated_name, name, namelen );
if ( ( node->flags & IMFS_NODE_FLAG_NAME_ALLOCATED ) != 0 ) {
free( RTEMS_DECONST( char *, node->name ) );
}
node->name = allocated_name;
node->namelen = namelen;
node->flags |= IMFS_NODE_FLAG_NAME_ALLOCATED;
IMFS_remove_from_directory( node );
IMFS_add_to_directory( new_parent, node );
IMFS_update_ctime( node );
return 0;
}
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