/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup IMFS
*
* @brief IMFS Make a Generic Node
*/
/*
* Copyright (c) 2012 embedded brains GmbH & Co. KG
*
* 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>
#include <string.h>
IMFS_jnode_t *IMFS_node_initialize_generic(
IMFS_jnode_t *node,
void *arg
)
{
IMFS_generic_t *generic = (IMFS_generic_t *) node;
generic->context = arg;
return node;
}
int IMFS_make_generic_node(
const char *path,
mode_t mode,
const IMFS_node_control *node_control,
void *context
)
{
return IMFS_make_node(
path,
mode,
node_control,
sizeof( IMFS_generic_t ),
context
);
}
int IMFS_make_node(
const char *path,
mode_t mode,
const IMFS_node_control *node_control,
size_t node_size,
void *context
)
{
int rv = 0;
mode &= ~rtems_filesystem_umask;
switch (mode & S_IFMT) {
case S_IFBLK:
case S_IFCHR:
case S_IFIFO:
case S_IFREG:
case S_IFSOCK:
break;
default:
errno = EINVAL;
rv = -1;
break;
}
if ( rv == 0 ) {
rtems_filesystem_eval_path_context_t ctx;
int eval_flags = RTEMS_FS_FOLLOW_LINK
| RTEMS_FS_MAKE
| RTEMS_FS_EXCLUSIVE;
const rtems_filesystem_location_info_t *currentloc =
rtems_filesystem_eval_path_start( &ctx, path, eval_flags );
if ( IMFS_is_imfs_instance( currentloc ) ) {
IMFS_jnode_t *new_node = IMFS_create_node(
currentloc,
node_control,
node_size,
rtems_filesystem_eval_path_get_token( &ctx ),
rtems_filesystem_eval_path_get_tokenlen( &ctx ),
mode,
context
);
if ( new_node != NULL ) {
IMFS_jnode_t *parent = currentloc->node_access;
IMFS_mtime_ctime_update( parent );
} else {
rv = -1;
}
} else {
rtems_filesystem_eval_path_error( &ctx, ENOTSUP );
rv = -1;
}
rtems_filesystem_eval_path_cleanup( &ctx );
}
return rv;
}