// wraps SCardStatus
func (card *Card) Status() (*CardStatus, error) {
var readerBuf [C.MAX_READERNAME + 1]byte
var readerLen = C.DWORD(len(readerBuf))
var state, proto C.DWORD
var atr [C.MAX_ATR_SIZE]byte
var atrLen = C.DWORD(len(atr))
r := C.SCardStatus(card.handle, (C.LPSTR)(unsafe.Pointer(&readerBuf[0])), &readerLen, &state, &proto, (*C.BYTE)(&atr[0]), &atrLen)
if r != C.SCARD_S_SUCCESS {
return nil, scardError(r)
}
// strip terminating 0
reader := readerBuf[:readerLen]
if z := bytes.IndexByte(reader, 0); z != -1 {
reader = reader[:z]
}
status := &CardStatus{
Reader: string(reader),
State: State(state),
ActiveProtocol: Protocol(proto),
ATR: atr[0:atrLen],
}
return status, nil
}
// wraps SCardStatus
func (card *Card) Status() (*CardStatus, error) {
var reader [C.MAX_READERNAME + 1]byte
var readerLen = C.DWORD(len(reader))
var state, proto C.DWORD
var atr [C.MAX_ATR_SIZE]byte
var atrLen = C.DWORD(len(atr))
r := C.SCardStatus(card.handle, (C.LPSTR)(unsafe.Pointer(&reader[0])), &readerLen, &state, &proto, (*C.BYTE)(&atr[0]), &atrLen)
if r != C.SCARD_S_SUCCESS {
return nil, newError(r)
}
status := &CardStatus{
Reader: string(reader[0:readerLen]),
State: uint32(state),
ActiveProtocol: Protocol(proto),
ATR: atr[0:atrLen],
}
return status, nil
}