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/*
* Routine for node creation in MSDOS filesystem.
*
* Copyright (C) 2001 OKTET Ltd., St.-Petersburg, Russia
* Author: Eugeny S. Mints <Eugeny.Mints@oktet.ru>
*
* 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.
*
* @(#) $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
#include <rtems.h>
#include <rtems/libio_.h>
#include "fat.h"
#include "fat_fat_operations.h"
#include "fat_file.h"
#include "msdos.h"
/* msdos_mknod --
* The following function checks spelling and formats name for a new node,
* determines type of the node to be created and creates it.
*
* PARAMETERS:
* token - non-formatted name of a new node
* mode - node type
* dev - dev
* pathloc - parent directory description
*
* RETURNS:
* RC_OK on succes, or -1 if error occured and set errno
*
*/
int
msdos_mknod(
const char *token,
mode_t mode,
dev_t dev,
rtems_filesystem_location_info_t *pathloc
)
{
int rc = RC_OK;
rtems_status_code sc = RTEMS_SUCCESSFUL;
msdos_fs_info_t *fs_info = pathloc->mt_entry->fs_info;
msdos_token_types_t type = 0;
char new_name[ MSDOS_NAME_MAX + 1 ];
int len;
/* check spelling and format new node name */
msdos_get_token(token, new_name, &len);
/*
* Figure out what type of msdos node this is.
*/
if (S_ISDIR(mode))
{
type = MSDOS_DIRECTORY;
}
else if (S_ISREG(mode))
{
type = MSDOS_REGULAR_FILE;
}
else
set_errno_and_return_minus_one(EINVAL);
sc = rtems_semaphore_obtain(fs_info->vol_sema, RTEMS_WAIT,
MSDOS_VOLUME_SEMAPHORE_TIMEOUT);
if (sc != RTEMS_SUCCESSFUL)
set_errno_and_return_minus_one(EIO);
/* Create an MSDOS node */
rc = msdos_creat_node(pathloc, type, new_name, mode, NULL);
rtems_semaphore_release(fs_info->vol_sema);
return rc;
}
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