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// C++ Interface: diskio
// Description: Class to handle low-level disk I/O for GPT fdisk
// Author: Rod Smith <rodsmith@rodsbooks.com>, (C) 2009
// Copyright: See COPYING file that comes with this distribution
// This program is copyright (c) 2009 by Roderick W. Smith. It is distributed
// under the terms of the GNU GPL version 2, as detailed in the COPYING file.

#ifndef __DISKIO_H
#define __DISKIO_H

#include <string>
#include <stdint.h>
#include <sys/types.h>
#ifdef _WIN32
#include <windows.h>
#include <winioctl.h>
#include <sys/ioctl.h>

#if defined (__FreeBSD__) || defined (__FreeBSD_kernel__) || defined (__APPLE__)
#define fstat64 fstat
#define stat64 stat

#include "support.h"
#include "parttypes.h"

using namespace std;

 *                                     *
 * DiskIO class and related structures *
 *                                     *

00044 class DiskIO {
      string userFilename;
      string realFilename;
      int isOpen;
      int openForWrite;
#ifdef _WIN32
      HANDLE fd;
      int fd;

      void MakeRealName(void);
      int OpenForRead(const string & filename);
      int OpenForRead(void);
      int OpenForWrite(const string & filename);
      int OpenForWrite(void);
      void Close();
      int Seek(uint64_t sector);
      int Read(void* buffer, int numBytes);
      int Write(void* buffer, int numBytes);
      void DiskSync(void); // resync disk caches to use new partitions
      int GetBlockSize(void);
      int IsOpen(void) {return isOpen;}
      int IsOpenForWrite(void) {return openForWrite;}
      string GetName(void) {return realFilename;}

      uint64_t DiskSize(int* err);
}; // struct GPTPart


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