SCTP event subscribe uses pointer to pointer in the argument instead of just the pointer

[NAYANSEN90]

Using the uintptr(unsafe.Pointer(&events)) in the SetEventSubscribe call.

[NAYANSEN90]

`func (listener *SCTPListener) SetEventSubscribe(events *SCTPEventSubscribe) error {
// here a local length variable is needed
_, _, err := syscall.Syscall6(
syscall.SYS_SETSOCKOPT,
uintptr(listener.sock),
SOL_SCTP,
SCTP_EVENTS,
uintptr(unsafe.Pointer(&events)), // this should be simply events
unsafe.Sizeof(*events),
0,
)
if 0 != err {
return err
}
return nil
}

func (listener *SCTPListener) GetEventSubscribe() (*SCTPEventSubscribe, error) {
var (
events = &SCTPEventSubscribe{}
length = unsafe.Sizeof(*events)
)
_, _, err := syscall.Syscall6(
syscall.SYS_GETSOCKOPT,
uintptr(listener.sock),
SOL_SCTP,
SCTP_EVENTS,
uintptr(unsafe.Pointer(events)),
uintptr(unsafe.Pointer(&length)),
0,
)
if 0 != err {
return nil, err
}
return events, nil
}`