Added a Win32 CFS (Contiki File System) service. The opendir() parameter "/" is mapped to the directory containing contiki.exe. That allows easy access to *.prg and *.dsc files which are supposed to reside in the same directory.
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oliverschmidt
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2 changed files with 223 additions and 0 deletions
181
platform/win32/cfs/cfs-win32.c
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181
platform/win32/cfs/cfs-win32.c
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/*
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* Copyright (c) 2006, 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: Oliver Schmidt <ol.sc@web.de>
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*
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* $Id: cfs-win32.c,v 1.1 2006/08/13 16:23:10 oliverschmidt Exp $
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*/
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <io.h>
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#include <fcntl.h>
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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 s_open(const char *n, int f);
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static void s_close(int f);
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static int s_read(int f, char *b, unsigned int l);
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static int s_write(int f, char *b, unsigned int l);
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static int s_seek(int f, unsigned int offset);
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static int s_opendir(struct cfs_dir *p, const char *n);
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static int s_readdir(struct cfs_dir *p, struct cfs_dirent *e);
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static int s_closedir(struct cfs_dir *p);
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SERVICE(cfs_win32_service, cfs_service,
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{ s_open, s_close, s_read, s_write, s_seek,
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s_opendir, s_readdir, s_closedir });
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struct cfs_win32_dir {
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HANDLE handle;
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unsigned char* name;
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unsigned int size;
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};
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PROCESS(cfs_win32_process, "CFS Win32 service");
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PROCESS_THREAD(cfs_win32_process, ev, data)
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{
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PROCESS_BEGIN();
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SERVICE_REGISTER(cfs_win32_service);
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PROCESS_WAIT_EVENT_UNTIL(ev == PROCESS_EVENT_SERVICE_REMOVED ||
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ev == PROCESS_EVENT_EXIT);
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SERVICE_REMOVE(cfs_win32_service);
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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static int
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s_open(const char *n, int f)
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{
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if(f == CFS_READ) {
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return _open(n, O_RDONLY);
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} else {
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return _open(n, O_CREAT|O_TRUNC|O_RDWR);
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}
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}
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/*---------------------------------------------------------------------------*/
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static void
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s_close(int f)
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{
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_close(f);
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}
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/*---------------------------------------------------------------------------*/
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static int
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s_read(int f, char *b, unsigned int l)
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{
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return _read(f, b, l);
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}
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/*---------------------------------------------------------------------------*/
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static int
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s_write(int f, char *b, unsigned int l)
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{
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return _write(f, b, l);
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}
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/*---------------------------------------------------------------------------*/
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static int
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s_seek(int f, unsigned int o)
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{
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return _lseek(f, o, SEEK_SET);
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}
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/*---------------------------------------------------------------------------*/
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static int
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s_opendir(struct cfs_dir *p, const char *n)
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{
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struct cfs_win32_dir *dir = (struct cfs_win32_dir *)p;
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WIN32_FIND_DATA data;
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char dirname[MAX_PATH];
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if(n == NULL) {
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n = "";
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}
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if(*n == '/') {
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GetModuleFileName(NULL, dirname, sizeof(dirname));
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strcpy(strrchr(dirname, '\\'), "/*");
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}else{
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sprintf(dirname, "%s/*", n);
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}
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dir->handle = FindFirstFile(dirname, &data);
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if(dir->handle == INVALID_HANDLE_VALUE) {
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dir->name = NULL;
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return 1;
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}
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dir->name = _strdup(data.cFileName);
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dir->size = ((data.nFileSizeLow + 511) / 512) % 1000;
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static int
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s_readdir(struct cfs_dir *p, struct cfs_dirent *e)
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{
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struct cfs_win32_dir *dir = (struct cfs_win32_dir *)p;
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WIN32_FIND_DATA data;
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if(dir->name == NULL) {
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return 1;
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}
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strncpy(e->name, dir->name, sizeof(e->name));
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e->size = dir->size;
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free(dir->name);
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if(FindNextFile(dir->handle, &data) == 0) {
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dir->name = NULL;
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return 0;
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}
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dir->name = _strdup(data.cFileName);
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dir->size = ((data.nFileSizeLow + 511) / 512) % 1000;
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static int
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s_closedir(struct cfs_dir *p)
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{
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struct cfs_win32_dir *dir = (struct cfs_win32_dir *)p;
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free(dir->name);
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FindClose(dir->handle);
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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42
platform/win32/cfs/cfs-win32.h
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42
platform/win32/cfs/cfs-win32.h
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@ -0,0 +1,42 @@
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/*
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* Copyright (c) 2006, 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: Oliver Schmidt <ol.sc@web.de>
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*
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* $Id: cfs-win32.h,v 1.1 2006/08/13 16:23:10 oliverschmidt Exp $
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*/
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#ifndef __CFS_WIN32_H__
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#define __CFS_WIN32_H__
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#include "contiki.h"
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PROCESS_NAME(cfs_win32_process);
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#endif /* __CFS_WIN32_H__ */
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