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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.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include "imfs.h"
static void get_type_and_info_by_mode_and_dev(
mode_t mode,
dev_t dev,
IMFS_jnode_types_t *type,
IMFS_types_union *info
)
{
if ( S_ISDIR( mode ) ) {
*type = IMFS_DIRECTORY;
} else if ( S_ISBLK( mode ) || S_ISCHR( mode ) ) {
*type = IMFS_DEVICE;
rtems_filesystem_split_dev_t(
dev,
info->device.major,
info->device.minor
);
} else if (S_ISFIFO( mode )) {
*type = IMFS_FIFO;
} else {
IMFS_assert( S_ISREG( mode ) );
*type = IMFS_MEMORY_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;
IMFS_jnode_types_t type;
IMFS_types_union info;
IMFS_jnode_t *new_node;
get_type_and_info_by_mode_and_dev( mode, dev, &type, &info );
new_node = IMFS_create_node( parentloc, type, name, namelen, mode, &info );
if ( new_node != NULL ) {
IMFS_jnode_t *parent = parentloc->node_access;
IMFS_update_ctime( parent );
IMFS_update_mtime( parent );
} else {
rv = -1;
}
return rv;
}
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