76 lines
3 KiB
C
76 lines
3 KiB
C
/*
|
|
* Copyright (c) 2004, Swedish Institute of Computer Science.
|
|
* All rights reserved.
|
|
*
|
|
* 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.
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
* Author: Adam Dunkels <adam@sics.se>
|
|
*
|
|
* $Id: cfs.c,v 1.1 2006/06/17 22:41:15 adamdunkels Exp $
|
|
*/
|
|
#include "contiki.h"
|
|
|
|
#include "cfs/cfs.h"
|
|
#include "cfs/cfs-service.h"
|
|
|
|
|
|
static int null_open(const char *n, int f) {return -1;}
|
|
static void null_close(int f) {return;}
|
|
static int null_read(int f, char *b, unsigned int l) {return -1;}
|
|
static int null_write(int f, char *b, unsigned int l) {return -1;}
|
|
static int null_seek(int fd, unsigned int l) {return -1;}
|
|
static int null_opendir(struct cfs_dir *p, const char *n) {return -1;}
|
|
static int null_readdir(struct cfs_dir *p, struct cfs_dirent *e) {return -1;}
|
|
static int null_closedir(struct cfs_dir *p) {return -1;}
|
|
|
|
SERVICE(cfs_nullservice, cfs_service,
|
|
{
|
|
null_open,
|
|
null_close,
|
|
null_read,
|
|
null_write,
|
|
null_seek,
|
|
null_opendir,
|
|
null_readdir,
|
|
null_closedir
|
|
});
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
struct cfs_service_interface *
|
|
cfs_find_service(void)
|
|
{
|
|
struct service *s;
|
|
|
|
s = service_find(cfs_service_name);
|
|
|
|
if(s != NULL) {
|
|
return s->interface;
|
|
} else {
|
|
return cfs_nullservice.interface;
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|