github.com/sagernet/sing@v0.4.0-beta.19.0.20240518125136-f67a0988a636/common/metadata/network.go (about)

     1  package metadata
     2  
     3  import "net/netip"
     4  
     5  func NetworkFromNetAddr(network string, addr netip.Addr) string {
     6  	if addr == netip.IPv4Unspecified() {
     7  		return network + "4"
     8  	}
     9  	return network
    10  }