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/*
* IMFS_mknod
*
* Routine to create a node in the IMFS file system.
*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* 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 "imfs.h"
#include <rtems/libio_.h>
#include <rtems/seterr.h>
int IMFS_mknod(
const char *token, /* IN */
mode_t mode, /* IN */
dev_t dev, /* IN */
rtems_filesystem_location_info_t *pathloc /* IN/OUT */
)
{
IMFS_token_types type = 0;
IMFS_jnode_t *new_node;
int result;
char new_name[ IMFS_NAME_MAX + 1 ];
IMFS_types_union info;
IMFS_get_token( token, new_name, &result );
/*
* Figure out what type of IMFS node this is.
*/
if ( S_ISDIR(mode) )
type = IMFS_DIRECTORY;
else if ( S_ISREG(mode) )
type = IMFS_MEMORY_FILE;
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 {
rtems_set_errno_and_return_minus_one( EINVAL );
}
/*
* Allocate and fill in an IMFS jnode
*/
new_node = IMFS_create_node(
pathloc,
type,
new_name,
mode,
&info
);
if ( !new_node )
rtems_set_errno_and_return_minus_one( ENOMEM );
return 0;
}
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