update ipinfo

Signed-off-by: Etienne Basset <etienne.basset@ensta.org>
harden get_single_ipv6, blocks shouldnt be larger than 4

Signed-off-by: Etienne Basset <etienne.basset@ensta.org>
clean ups

Signed-off-by: Etienne Basset <etienne.basset@ensta.org>
update ipinfo, make functions static and args const

Signed-off-by: Etienne Basset <etienne.basset@ensta.org>
finish IPv4 MCAST decoding

Signed-off-by: Etienne Basset <etienne.basset@ensta.org>
correct mcast glob ==> glop

Signed-off-by: Etienne Basset <etienne.basset@ensta.org>
add copyright statement

Signed-off-by: Etienne Basset <etienne.basset@ensta.org>
space issues

Signed-off-by: Etienne Basset <etienne.basset@ensta.org>
trailing spaces & indent

Signed-off-by: Etienne Basset <etienne.basset@ensta.org>