mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-11-17 21:09:03 +00:00
9f97290665
This change means that one needs to select _ONE_ cfs implementation at Contiki library link time. But this doesn't appear to be an issue as all platforms have their "favorite" implementation anyway.
144 lines
4.1 KiB
C
144 lines
4.1 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-posix.c,v 1.3 2007/05/19 21:05:49 oliverschmidt Exp $
|
|
*/
|
|
#include "contiki.h"
|
|
|
|
#include "cfs/cfs.h"
|
|
|
|
#undef LITTLE_ENDIAN
|
|
#undef BIG_ENDIAN
|
|
#undef BYTE_ORDER
|
|
#undef HTONS
|
|
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <sys/uio.h>
|
|
#include <sys/types.h>
|
|
#include <dirent.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
struct cfs_posix_dir {
|
|
DIR *dirp;
|
|
};
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
cfs_open(const char *n, int f)
|
|
{
|
|
char filename[255];
|
|
|
|
sprintf(filename, "cfs-root/%s", n);
|
|
|
|
if(f == CFS_READ) {
|
|
return open(filename, O_RDONLY);
|
|
} else {
|
|
return open(filename, O_CREAT|O_RDWR);
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
cfs_close(int f)
|
|
{
|
|
close(f);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
cfs_read(int f, char *b, unsigned int l)
|
|
{
|
|
return read(f, b, l);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
cfs_write(int f, char *b, unsigned int l)
|
|
{
|
|
return write(f, b, l);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
cfs_seek(int f, unsigned int o)
|
|
{
|
|
return lseek(f, o, SEEK_SET);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
cfs_opendir(struct cfs_dir *p, const char *n)
|
|
{
|
|
struct cfs_posix_dir *dir = (struct cfs_posix_dir *)p;
|
|
char dirname[255];
|
|
|
|
if(n == NULL) {
|
|
n = "";
|
|
}
|
|
sprintf(dirname, "cfs-root/%s", n);
|
|
|
|
dir->dirp = opendir(dirname);
|
|
|
|
if(dir->dirp == NULL) {
|
|
printf("cfs-posix: could not open directory '%s'\n", dirname);
|
|
}
|
|
return dir->dirp == NULL;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
cfs_readdir(struct cfs_dir *p, struct cfs_dirent *e)
|
|
{
|
|
struct cfs_posix_dir *dir = (struct cfs_posix_dir *)p;
|
|
struct dirent *res;
|
|
int ret;
|
|
|
|
if(dir->dirp == NULL) {
|
|
return 1;
|
|
}
|
|
res = readdir(dir->dirp);
|
|
if(res == NULL) {
|
|
return 1;
|
|
}
|
|
strncpy(e->name, res->d_name, sizeof(e->name));
|
|
e->size = 0;
|
|
return 0;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
cfs_closedir(struct cfs_dir *p)
|
|
{
|
|
struct cfs_posix_dir *dir = (struct cfs_posix_dir *)p;
|
|
if(dir->dirp != NULL) {
|
|
closedir(dir->dirp);
|
|
}
|
|
return 1;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|