Skip to content

Instantly share code, notes, and snippets.

@chenchun
Forked from ammario/ipint.go
Created September 16, 2016 08:03
Show Gist options
  • Save chenchun/29bed0458af42f50dffc243cac2da8f2 to your computer and use it in GitHub Desktop.
Save chenchun/29bed0458af42f50dffc243cac2da8f2 to your computer and use it in GitHub Desktop.
Golang ip <-> int conversion
func ip2int(ip net.IP) uint32 {
if len(ip) == 16 {
return binary.BigEndian.Uint32(ip[12:16])
}
return binary.BigEndian.Uint32(ip)
}
func int2ip(nn uint32) net.IP {
ip := make(net.IP, 4)
binary.BigEndian.PutUint32(ip, nn)
return ip
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment