win1.c

内含纯DOS,WIN32控制台和WIN32 GUI三个版本.它们生成的备份文件可以在任何版本中使用. WIN32 GUI版本暂使用备份功能(其他模块也都已全部写好,全是完整的,现在仅开启备份功能),如

#include <stdio.h>
#include <windows.h>

int readWriteDrive(unsigned int cmd, 
				   char *devicePar, 
				   unsigned long startSectorPar, 
				   DWORD sectorToDo,
				   unsigned char *buf)
{
DWORD deviceGeneric,open;
	
	__int64 startSector=0;
__int64 startbPos;
DWORD sectorHigh;

HANDLE hDev=0;


DWORD bDone;
/*CString device;*/
char device[32];
char startSectorPar2[64];

/*device.Format("%d",devicePar);*/
memset(device,0,32);
memset(startSectorPar2,0,64);

sprintf(startSectorPar2,"%lu",startSectorPar);

startSector=_atoi64(startSectorPar2);
startbPos=startSector*512;
sectorHigh=startbPos>>32;
/*
if(device.IsEmpty()==TRUE)
{printf("请输入设备名。"); return 0;} 
if(sectorToDo==0)
{printf("读取的扇区数不能为0。"); return 0;}
*/

/*device=CString("\\\\.\\PHYSICALDRIVE")+CString(device);*/
strcpy(device,"\\\\.\\PHYSICALDRIVE\0");
strcpy(device+strlen(device),devicePar);

/*printf("%s\n",device);*/

if(cmd==0x42)
{
deviceGeneric=GENERIC_READ;



}

else if(cmd==0x43)
{
deviceGeneric=GENERIC_WRITE;



}



hDev=CreateFile(device,deviceGeneric,FILE_SHARE_WRITE,0,OPEN_EXISTING,0,0);
if(hDev==INVALID_HANDLE_VALUE)
{/*printf("打开硬盘 %s 失败。",device);*/ if(hDev!=INVALID_HANDLE_VALUE) CloseHandle(hDev);
return -1;}
//	SetFilePointer(readHandle,startbPos,(LONG *)&sectorHigh,FILE_BEGIN);


	

SetFilePointer(hDev,startbPos,(LONG *)&sectorHigh,FILE_BEGIN);
	
if(cmd==0x42) 
{
	if(!ReadFile(hDev,buf,sectorToDo*512,&bDone,0))
	{
		printf("Failed to read %s\n",device);
	return -1;
	}

}

	else if(cmd==0x43) 
	{
		if(!WriteFile(hDev,buf,sectorToDo*512,&bDone,0))
		{
printf("Failed to write %s\n",device);
	return -1;
			
		}
	}
if(hDev!=INVALID_HANDLE_VALUE)	CloseHandle(hDev);
		return 0;

}