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Fix a potential bug with udp ipv4 only on darwin (#1532)

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Nate Brown 2025-11-19 10:56:58 -05:00 • committed by GitHub
parent 584c2668b3
commit 99faab505c
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1 changed files with 3 additions and 3 deletions
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6
udp/udp_darwin.go
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@ -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