Path: utzoo!mnetor!uunet!husc6!bbn!rochester!ur-tut!dpvc
From: dpvc@ur-tut (Davide P. Cervone)
Newsgroups: comp.sys.amiga.tech
Subject: Re: Changing Directories
Message-ID: <1842@ur-tut.UUCP>
Date: 18 Apr 88 21:27:55 GMT
References: <8804150317.AA26694@jade.berkeley.edu>
Reply-To: dpvc@tut.cc.rochester.edu.UUCP (Davide P. Cervone)
Organization: Univ. of Rochester Computing Center
Lines: 17

In article <8804150317.AA26694@jade.berkeley.edu> SLMYQ@USU.BITNET writes:
>>Actually, the zero lock assumes the boot device. Unless you never reassign
>>sys: and never do anything with your boot disk then this is not guaranteed
>>to be sys:.
>
>Great.  So how can you tell what the system was booted off?  I didn't think
>AmigaDOS would make it that easy! :)

You can call Info() with this lock to find out stuff about the device.  Or
you can call DupLock() to get a non-zero lock on the same device, and use the
pointers it contains to find it in the device list (it's been over a year
since I've done this kind of thing, so I can't be more specific).

Davide P. Cervone
dpvc@tut.cc.rochester.edu
dpvc@ur-tut.UUCP
DPVC@UORDBV.BITNET