On Sun Jan 3 13:42:21 PST 2016, 23h...@gmail.com wrote: > your ipv4 "embedding" doesn't need to be part of the ping tool. it's > not commonly used anyway.
i think the attribution here is false. i read the man page for that information. in any event, ping as patched is wrong. addresses like icmpv6!address must be accepted. this may make the -4 flag silly in it's current form. > allowing the ping tool to do dns lookups on the other hand are a > common convenience. but as such, one loses precision. for example if i use a name, i can't easily force the name lookup to find the ip i'm thinking of. > perhaps i misunderstand. i'm not against adding zeros at the front. see /sys/src/libip/ipaux.c^/uchar v4prefix - erik
