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From: Kilgallen@eisner.decus.org.nospam (Larry Kilgallen)
Newsgroups: comp.lang.ada
Subject: Re: How Ada could have prevented the Red Code distributed denial of
   service attack.
Date: 7 Aug 2001 16:14:32 -0500
Organization: LJK Software
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In article <tn0h3n541sppeb@corp.supernews.com>, "David Starner" <dstarner98@aasaa.ofe.org> writes:
> "Marin David Condic" <dont.bother.mcondic.auntie.spam@[acm.org> wrote in
> message news:9kpa4f$j2n$1@nh.pace.co.uk...
>> Where would you put a package to get directory info? It would have to be
> an
>> annex since Ada doesn't necessarily target to systems that have
> directories
>> of any sort. And given a wide range of platforms that Ada runs on, could
> it
>> be designed to be portable? Or would it be better to have something like
> the
>> package Interfaces - only for operating systems? (Interfaces.Unix,
>> Interfaces.Windows, Interfaces.VMS?)
> 
> I think GNAT.Directory_Ops is portable to all the systems GNAT is, which
> includes those three. For a basic directory operations package, you need
> function Is_Directory (File : Filename) return Boolean and procedure
> Directory_List (Directory : in Filename; Directory_List : Filename_List). It
> seems that anything with directories is going to work with that, and it's a
> usable mix. (It would work for music123, a program of mine that uses
> GNAT.Directory_Ops.)

On VMS those two subprograms would not seem to offer control of whether
one wants all versions or just the latest version of a file.