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/*
* IMFS Node Removal Handler
*
* This file contains the handler used to remove a node when a file type
* does not require special actions.
*
* COPYRIGHT (c) 1989-1999.
* 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 <stdlib.h>
#include <rtems.h>
#include <rtems/libio.h>
#include <rtems/libio_.h>
#include "imfs.h"
void IMFS_create_orphan( IMFS_jnode_t *jnode )
{
if ( jnode->Parent != NULL ) {
rtems_chain_extract( &jnode->Node );
jnode->Parent = NULL;
}
--jnode->st_nlink;
IMFS_update_ctime( jnode );
}
void IMFS_check_node_remove( IMFS_jnode_t *jnode )
{
if ( !rtems_libio_is_file_open( jnode ) && jnode->st_nlink < 1 ) {
if ( rtems_filesystem_current.node_access == jnode )
rtems_filesystem_current.node_access = NULL;
switch ( jnode->type ) {
case IMFS_MEMORY_FILE:
IMFS_memfile_remove( jnode );
break;
case IMFS_SYM_LINK:
free( jnode->info.sym_link.name );
break;
default:
break;
}
free( jnode );
}
}
/*
* IMFS_rmnod
*/
int IMFS_rmnod(
rtems_filesystem_location_info_t *parent_pathloc, /* IN */
rtems_filesystem_location_info_t *pathloc /* IN */
)
{
IMFS_jnode_t *jnode = (IMFS_jnode_t *) pathloc->node_access;
IMFS_create_orphan( jnode );
IMFS_check_node_remove( jnode );
return 0;
}
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