/**
* @file
*
* @brief Create an IMFS Node
* @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 <stdlib.h>
#include <string.h>
IMFS_jnode_t *IMFS_create_node(
const rtems_filesystem_location_info_t *parentloc,
const IMFS_node_control *node_control,
size_t node_size,
const char *name,
size_t namelen,
mode_t mode,
void *arg
)
{
IMFS_jnode_t *allocated_node;
IMFS_jnode_t *node;
allocated_node = calloc( 1, node_size + namelen );
if ( allocated_node == NULL ) {
errno = ENOMEM;
return NULL;
}
node = IMFS_initialize_node(
allocated_node,
node_control,
(char *) allocated_node + node_size,
namelen,
mode,
arg
);
if ( node != NULL ) {
IMFS_jnode_t *parent = parentloc->node_access;
memcpy( RTEMS_DECONST( char *, node->name ), name, namelen );
/*
* This node MUST have a parent, so put it in that directory list.
*/
IMFS_assert( parent != NULL );
IMFS_add_to_directory( parent, node );
} else {
free( allocated_node );
}
return node;
}