77 lines
3 KiB
C
77 lines
3 KiB
C
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/*
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* Copyright (c) 2004, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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* $Id: cfs.c,v 1.1 2006/06/17 22:41:15 adamdunkels Exp $
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*/
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#include "contiki.h"
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#include "cfs/cfs.h"
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#include "cfs/cfs-service.h"
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static int null_open(const char *n, int f) {return -1;}
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static void null_close(int f) {return;}
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static int null_read(int f, char *b, unsigned int l) {return -1;}
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static int null_write(int f, char *b, unsigned int l) {return -1;}
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static int null_seek(int fd, unsigned int l) {return -1;}
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static int null_opendir(struct cfs_dir *p, const char *n) {return -1;}
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static int null_readdir(struct cfs_dir *p, struct cfs_dirent *e) {return -1;}
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static int null_closedir(struct cfs_dir *p) {return -1;}
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SERVICE(cfs_nullservice, cfs_service,
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{
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null_open,
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null_close,
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null_read,
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null_write,
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null_seek,
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null_opendir,
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null_readdir,
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null_closedir
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});
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/*---------------------------------------------------------------------------*/
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struct cfs_service_interface *
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cfs_find_service(void)
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{
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struct service *s;
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s = service_find(cfs_service_name);
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if(s != NULL) {
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return s->interface;
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} else {
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return cfs_nullservice.interface;
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}
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}
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/*---------------------------------------------------------------------------*/
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