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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup IMFS
*
* @brief Create a IMFS Node
*/
/*
* 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.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/imfsimpl.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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