Index is displayed always, name only if available.
Warn about possible wrong interfaces when in reading mode
(pcap file can be displayed on a different host then where
was captured) [1].
See: GH the-tcpdump-group/libpcap#127
[1] https://lists.sandelman.ca/pipermail/tcpdump-workers/2018-July/001019.html
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Suggested-by: Guy Harris <guy@alum.mit.edu>
Reviewed-by: Denis Ovsienko <denis@ovsienko.info>
Reviewed-by: Guy Harris <guy@alum.mit.edu>
Instead, use compiler test macros to check whether *particular*
attributes are supported, and set various #defines appropriately, in
header files.
Rename the UNALIGNED structure attribute to ND_UNALIGNED, and ask
whether we still need it.