Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date: Wed, 31 Jul 2019 01:27:49 -0400
From: Rich Felker <>
Subject: Re: Final (?) time64 proposal

On Mon, Jul 29, 2019 at 05:11:54PM -0400, Rich Felker wrote:
> On Wed, Jul 24, 2019 at 01:31:42AM -0400, Rich Felker wrote:
> > My plan to go ahead looks like:
> > 
> > [...]
> > - struct shmid_ds, msqid_ds, semid_ds layout kept, extended with
> >   64-bit time_t's on the ends
> This looks like the unnecessarily painful course of action. I worked
> out a grid of all the existing archs' quirks, and except for mips and
> mipsn32, all archs admit a solution that's just endian-swapping the
> time_t members in-place.

This turned out to be false, because the alignment is wrong. Almost
all the time_t's would have to start at offsets that are 4 mod 8. So
in-place use is out, and these structs will all get extended at the
end, as originally planned.

Still using new cmd numbers instead of redirecting symbols.


Powered by blists - more mailing lists

Your e-mail address:

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.