size对齐

#include 
#include 

using namespace std;

int main(int argc, char* argv[])
{

    DWORD dwLen        =    511;
    DWORD dwAlign    =    1024;


    DWORD dwLenResult =    (dwLen+dwAlign-1)/dwAlign*dwAlign;


    //DWORD dwLenResult =    (dwLen & ~(dwAlign-1)) +dwAlign;

    cout<" 对齐之后："<endl;

    return 0;
}