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/*
* IMFS_rename
*
* The following rouine creates a new link node under parent with the
* name given in name and removes the old.
*
* 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.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include "imfs.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
)
{
int rv = 0;
IMFS_jnode_t *node = oldloc->node_access;
IMFS_jnode_t *new_parent = newparentloc->node_access;
/*
* FIXME: Due to insufficient checks we can create inaccessible nodes with
* this operation.
*/
if ( node->Parent != NULL ) {
if ( namelen < IMFS_NAME_MAX ) {
memcpy( node->name, name, namelen );
node->name [namelen] = '\0';
rtems_chain_extract( &node->Node );
node->Parent = new_parent;
rtems_chain_append(
&new_parent->info.directory.Entries,
&node->Node
);
IMFS_update_ctime( node );
} else {
errno = ENAMETOOLONG;
rv = -1;
}
} else {
errno = EINVAL;
rv = -1;
}
return rv;
}
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