Fix a potential bug with udp ipv4 only on darwin

This commit is contained in:
Nate Brown 2025-11-18 20:57:10 -06:00
parent 27ea667aee
commit f8f91d7485

View file

@ -98,9 +98,9 @@ func (u *StdConn) WriteTo(b []byte, ap netip.AddrPort) error {
return ErrInvalidIPv6RemoteForSocket
}
var rsa unix.RawSockaddrInet6
rsa.Family = unix.AF_INET6
rsa.Addr = ap.Addr().As16()
var rsa unix.RawSockaddrInet4
rsa.Family = unix.AF_INET
rsa.Addr = ap.Addr().As4()
binary.BigEndian.PutUint16((*[2]byte)(unsafe.Pointer(&rsa.Port))[:], ap.Port())
sa = unsafe.Pointer(&rsa)
addrLen = syscall.SizeofSockaddrInet4