反复读写u盘的指定一扇区（目的是看这个u盘会不会因为这样导致这个flash块快速损坏 ）

目的是看这个u盘会不会因为这样导致这个flash块快速损坏 

std::string   szDiscFile( "\\\\.\\H:");

    HANDLE   hDisc   =   CreateFile(szDiscFile.c_str(),   GENERIC_WRITE   |   GENERIC_READ,   FILE_SHARE_WRITE,   NULL,   OPEN_EXISTING,   0,   NULL); 

    SetFilePointer(hDisc, 0,   NULL,   FILE_BEGIN); 

DWORD dwSectorNum =1;

    DWORD   dwRead   =   dwSectorNum   <<   9, 

dwRealRead   =   0; 

long cc=0;

while (1)

{

cc++;

char pBuf[1024]={0};

SetFilePointer(hDisc, 0,   NULL,   FILE_BEGIN); 

ReadFile(hDisc,   pBuf,   dwRead,   &dwRealRead,   NULL);

pBuf[0]=time(NULL);

SetFilePointer(hDisc, 0,   NULL,   FILE_BEGIN); 

BOOL rs= WriteFile(hDisc,  pBuf,   dwRead,   &dwRealRead,   NULL);

printf("count = %d",cc);

}

    CloseHandle(hDisc);