Subject: Re: tcpdump(8) file format on 64bit arch
To: None <thorpej@zembu.com>
From: None <itojun@iijlab.net>
List: tech-net
Date: 06/12/2000 00:53:41
> > 	at this moment, netbsd-current tcpdump(8) writes out "struct timeval"
> > 	into packet dump file (like -w).  this constitutes file incompatibility
> > 	between 32bit arch and 64bit arch.  tcpdump.org codebase now always
> > 	emit 32bit timeval.  Is it okay if I bring in this change?
>Hm.  tcpdump.org should always emit a 64-bit timeval!  They clearly
>weren't planning ahead on this one.

	the reason for picking 32bit timeval is, I think, as follows:
	- there are too many existing files with 32bit timeval, and
	- there's no robust way to determine 32bit timeval from 64bit timeval
	  so we can't really read in both

itojun