149 lines
4.4 KiB
C
149 lines
4.4 KiB
C
/*
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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 1.4 2007/11/22 12:03:54 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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#ifdef __CYGWIN__
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#include <unistd.h>
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#else
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#define open _open
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#define close _close
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#define read _read
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#define write _write
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#define lseek _lseek
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#endif
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#include "contiki.h"
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#include "cfs/cfs.h"
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struct cfs_win32_dir {
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HANDLE handle;
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char* name;
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unsigned int size;
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};
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/*---------------------------------------------------------------------------*/
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int
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cfs_open(const char *n, int f)
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{
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return open(n, f == CFS_READ? O_RDONLY: O_CREAT|O_RDWR);
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}
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/*---------------------------------------------------------------------------*/
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void
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cfs_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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int
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cfs_read(int f, void *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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int
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cfs_write(int f, void *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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unsigned int
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cfs_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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int
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cfs_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 == '/') {
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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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int
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cfs_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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void
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cfs_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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}
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/*---------------------------------------------------------------------------*/
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