From: "Randy Brukardt" <randy@rrsoftware.com>
Subject: Re: How to find the type of operating system.
Date: Thu, 7 Apr 2016 02:31:03 -0500
Date: 2016-04-07T02:31:03-05:00 [thread overview]
Message-ID: <ne52bn$ufp$1@loke.gir.dk> (raw)
In-Reply-To: lyoa9ludbf.fsf@pushface.org
"Simon Wright" <simon@pushface.org> wrote in message
news:lyoa9ludbf.fsf@pushface.org...
> Anh Vo <anhvofrcaus@gmail.com> writes:
>
>> On Wednesday, April 6, 2016 at 2:41:33 PM UTC-7, Randy Brukardt wrote:
>>> "ldries46" <bertus.dries@planet.nl> wrote in message
>>> news:57053167$0$4216$e4fe514c@news.kpn.nl...
>>> > How can I fin in which operating system a program runs and other
>>> > details
>>> > of that operating system.
>>>
>>> Ada has System.System_Name provides an implementation-defined indication
>>> of
>>> the name of the target, but that often isn't set in any useful way.
>>> (Dunno
>>> what GNAT does with it, if anything.)
>>
>> With GNAT, I managed to make it work for Windows and Linux/Unix not long
>> ago.
>>
>> Dir_Separator : Character;
>> pragma Import (C, Dir_Separator, "__gnat_dir_separator");
>> --...
>> Put_Line ("The program is run on OS: => " &
>> (if Dir_Separator = '\' then "Windows" else "Unix/Linux"));
>
> GNAT.OS_Lib.Directory_Separator provides exactly this functionality.
Presumably you could get that value from a suitable use of
Ada.Directories.Compose, which would eliminate the
implementation-definedness for at least that check. But what you'd decide on
VMS I'm not sure. :-)
Randy.
next prev parent reply other threads:[~2016-04-07 7:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-06 15:55 How to find the type of operating system ldries46
2016-04-06 21:41 ` Randy Brukardt
2016-04-06 22:42 ` Anh Vo
2016-04-07 6:45 ` Simon Wright
2016-04-07 7:31 ` Randy Brukardt [this message]
2016-04-07 16:33 ` Jeffrey R. Carter
2016-04-07 11:20 ` Lucretia
2016-06-24 21:12 ` Victor Porton
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