#include <windows.h>
#include <stdlib.h>
#include <iostream>
#include <conio.h>
using namespace std;
int _tmain(int argc, _TCHAR* argv[])
{ 
	HANDLE hh=GetProcessHeap();
	ULARGE_INTEGER TNOFB;
	DWORD rb,wb;unsigned long curpos=0;
	char *buf=(char*)HeapAlloc(hh,HEAP_ZERO_MEMORY,(1024*1024)*10);
	char dsk[35],dd[5],buff[1024];
	strcpy(dsk,"\\\\.\\");
	cout<<"DISK name:"<<endl;
	cin>>dd;strcat(dsk,dd);
	HANDLE d=CreateFile(dsk,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING,FILE_FLAG_NO_BUFFERING,NULL);
	if(d==INVALID_HANDLE_VALUE){cout<<dsk<<" oups :("<<endl;goto End;}
	HANDLE f=CreateFile("D:\\dump.iso",GENERIC_READ | GENERIC_WRITE,FILE_SHARE_WRITE,NULL,CREATE_ALWAYS,FILE_FLAG_RANDOM_ACCESS,NULL);
	GetDiskFreeSpaceEx(dd,0,&TNOFB,0);
	wsprintf(buff,"%I64u",TNOFB.QuadPart);
	cout<<"ds:"<<buff;
	for(;;)
	{
		ReadFile(d,buf,(1024*1024)*10,&rb,NULL);
		system("cls");
		if(rb==0){break;}
		curpos=curpos+rb;
		cout<<curpos<<endl<<"FROM:"<<endl<<buff;
		SetFilePointer(d,curpos,NULL,FILE_BEGIN);
		WriteFile(f,buf,rb,&wb,0);
	}
	CloseHandle(d);
	CloseHandle(f);
	cout<<"DONE";
End:
	getch();
	HeapFree(hh,0,buf);
	return 0;
}