/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief Create a Special or Ordinary File
* @ingroup libcsupport
*/
/*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* 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 <sys/stat.h>
#include <rtems/libio_.h>
int rtems_filesystem_mknod(
const rtems_filesystem_location_info_t *parentloc,
const char *name,
size_t namelen,
mode_t mode,
dev_t dev
)
{
int rv = 0;
mode &= ~rtems_filesystem_umask;
switch (mode & S_IFMT) {
case S_IFBLK:
case S_IFCHR:
case S_IFDIR:
case S_IFIFO:
case S_IFREG:
break;
default:
errno = EINVAL;
rv = -1;
break;
}
if ( rv == 0 ) {
const rtems_filesystem_operations_table *ops = parentloc->mt_entry->ops;
rv = (*ops->mknod_h)( parentloc, name, namelen, mode, dev );
}
return rv;
}
/**
* This routine is not defined in the POSIX 1003.1b standard but is
* commonly supported on most UNIX and POSIX systems. It is the
* foundation for creating file system objects.
*/
int mknod( const char *path, mode_t mode, dev_t dev )
{
int rv = 0;
rtems_filesystem_eval_path_context_t ctx;
int eval_flags = RTEMS_FS_FOLLOW_LINK
| RTEMS_FS_MAKE
| RTEMS_FS_EXCLUSIVE
| (S_ISDIR(mode) ? RTEMS_FS_ACCEPT_RESIDUAL_DELIMITERS : 0);
const rtems_filesystem_location_info_t *currentloc =
rtems_filesystem_eval_path_start( &ctx, path, eval_flags );
rv = rtems_filesystem_mknod(
currentloc,
rtems_filesystem_eval_path_get_token( &ctx ),
rtems_filesystem_eval_path_get_tokenlen( &ctx ),
mode,
dev
);
rtems_filesystem_eval_path_cleanup( &ctx );
return rv;
}