맥어드레스 비교해서 맞는지 틀린지 확인하는 함수

BOOL [CLASS]::OnCheckAddress(CString &strMacAddr)
{
// MAC Address를 구한다. 
BOOL bResult = FALSE;

CString strMacOri;
strMacOri = strMacAddr;

if (g_Pinfo!=NULL)
delete (g_Pinfo);

unsigned  long nError;
nError = GetAdaptersInfo(g_Pinfo,&g_Len);

if (nError==0)
{
strMacAddr.Format("%02X%02X%02X%02X%02X%02X",g_Pinfo->Address[0],g_Pinfo->Address[1],g_Pinfo->Address[2],g_Pinfo->Address[3],g_Pinfo->Address[4],g_Pinfo->Address[5]); 
bResult = TRUE;
}

if (nError==ERROR_NO_DATA)
{
bResult = FALSE;
}

if (nError==ERROR_NOT_SUPPORTED)
{
bResult = FALSE;
}

if (nError==ERROR_BUFFER_OVERFLOW)
{
g_Pinfo= (PIP_ADAPTER_INFO)malloc(g_Len);
nError = GetAdaptersInfo(g_Pinfo,&g_Len);  
if (nError==0)  
{
if (g_Pinfo!=NULL)
{
strMacAddr.Format("%02X%02X%02X%02X%02X%02X",g_Pinfo->Address[0],g_Pinfo->Address[1],g_Pinfo->Address[2],g_Pinfo->Address[3],g_Pinfo->Address[4],g_Pinfo->Address[5]);
bResult = TRUE;
}
}
}

if(strMacAddr==strMacOri)
bResult = TRUE;
else
bResult = FALSE;

return bResult;
}