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Date: Mon, 1 Mar 2004 16:03:12 +0100
From: Maxime Henrion <mux@freebsd.org>
To: Tillman Hodgson <tillman@seekingfire.com>
Message-ID: <20040301150312.GQ35475@elvis.mu.org>
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cc: sparc64@freebsd.org
Subject: Re: Minor problem with 64bTT: monthly accounting figures
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Tillman Hodgson wrote:
> Look a little odd this month:
> 
> Subject: caliban.rospa.ca monthly run output
> 
> Doing login accounting:
>         root                 0.84
>         total            -298848.27
>         toor             -298849.12
> 
> -- End of monthly output --
> 
> Luckily this isn't a box where I care much about accounting, but a
> Heads-Up in the conversion notes might be warranted.
> 
> -T

This is probably because the time is stored as a 32-bits integer in
/var/run/utmp and /var/log/wtmp.

from /usr/include/utmp.h :

%%
struct lastlog {
        int32_t ll_time;
        char    ll_line[UT_LINESIZE];
        char    ll_host[UT_HOSTSIZE];
};

struct utmp {
        char    ut_line[UT_LINESIZE];
        char    ut_name[UT_NAMESIZE];
        char    ut_host[UT_HOSTSIZE];
        int32_t ut_time;
};
%%

I think there is a utmpx pseudo-standard that could help with this
problem.  I also seem to remember someone was working on this but I have
no idea where it's at nowadays.

Cheers,
Maxime