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/**
* @file
*
* @brief Create a IMFS Node
* @ingroup IMFS
*/
/*
* COPYRIGHT (c) 1989-2010.
* On-Line Applications Research Corporation (OAR).
*
* Modifications to support reference counting in the file system are
* Copyright (c) 2012 embedded brains GmbH.
*
* 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 "imfs.h"
static const IMFS_mknod_control *get_control(
const IMFS_mknod_controls *controls,
mode_t mode
)
{
if ( S_ISDIR( mode ) ) {
return controls->directory;
} else if ( S_ISBLK( mode ) || S_ISCHR( mode ) ) {
return controls->device;
} else if ( S_ISFIFO( mode ) ) {
return controls->fifo;
} else {
IMFS_assert( S_ISREG( mode ) );
return controls->file;
}
}
int IMFS_mknod(
const rtems_filesystem_location_info_t *parentloc,
const char *name,
size_t namelen,
mode_t mode,
dev_t dev
)
{
int rv = 0;
const IMFS_fs_info_t *fs_info = parentloc->mt_entry->fs_info;
const IMFS_mknod_control *mknod_control =
get_control( fs_info->mknod_controls, mode );
IMFS_jnode_t *new_node;
new_node = IMFS_create_node(
parentloc,
&mknod_control->node_control,
mknod_control->node_size,
name,
namelen,
mode,
&dev
);
if ( new_node != NULL ) {
IMFS_jnode_t *parent = parentloc->node_access;
IMFS_mtime_ctime_update( parent );
} else {
rv = -1;
}
return rv;
}
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