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From: rick@sesame.UUCP (Rick Richardson)
Newsgroups: net.games.rogue
Subject: Re: Copying saved games
Message-ID: <164@sesame.UUCP>
Date: Mon, 18-Mar-85 12:19:39 EST
Article-I.D.: sesame.164
Posted: Mon Mar 18 12:19:39 1985
Date-Received: Fri, 22-Mar-85 23:46:27 EST
References: <1091@reed.UUCP> <999@hound.UUCP>
Organization: Free-Access Unix in Boston
Lines: 27

> Has anyone wrote a program which will copy programs which preserve
> the access and modification times of the source file? ...
> 
> I am intent on figuring this out. I cannot afford to start at the
> beginning of the game each time I slip deep in the dungeon. ...
> Steve Pearse
> ihnp4!hound!pearse

As far as I remember, rogue stashes the time and the inode number in the
encrypted save file.  The time that is saved is compared to the 'ctime'
of the saved file.  It must be within 15 seconds.  There is no system
call that will let you change the ctime.  You can only change the atime
and the mtime.  At one point, I wrote a program that would go into the
inode using the raw disk device, and change anything you wanted.  It was
for repairing damage that Microsoft's crappy IPC's would do to our
XENIX filesystem.  You have to be root to do this.
Unfortunately,  it wasn't a user friendly program, and a friend
tried to use it to do exactly what you want - change the ctime.
He managed to use it on the wrong inode (somebodies home directory!)
and clobbered it.  Wasn't too bad though, cause we both hated this
particular person anyhow!
-- 
		Rick Richardson, PC Research, Inc.

	{genrad|ihnp4|ima}!wjh12!talcott!sesame!{rick|pcrat!rick}
		{cbosgd|harvard}!talcott!sesame!{rick|pcrat!rick}
			rick%sesame@harvard.ARPA