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Mail Archives: djgpp/1997/09/27/02:15:20

From: Thomas Demmer <demmer AT LSTM DOT Ruhr-UNI-Bochum DOT De>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Please help the newbie!
Date: Thu, 25 Sep 1997 20:45:24 +0200
Organization: Lehrstuhl fuer Stroemungsmechanik
Lines: 45
Message-ID: <342AB144.460A94BD@LSTM.Ruhr-UNI-Bochum.De>
References: <875153762 DOT 25454 AT dejanews DOT com> <60cpl7$2pk AT sjx-ixn3 DOT ix DOT netcom DOT com> <875206466 DOT 2246 AT dejanews DOT com>
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

joe DOT charles AT mail DOT sprintranet DOT com wrote:
[...]
> > > int temp=5;
> > > cout << "Address: " << &temp
> >
> > > Now, when I compile this and run it, I get "Address: 1" instead of the
> > > actual memory address of the temp variable.
> >
> > If the method above is the only way you know to show the address of a
> > variable, how do you know the output is wrong? Were you expecting to see
> > '5'? If you were, you apparently don't understand the underlying concept,
> > and I'd recommend rereading your material more carefully.
> 
> What I was expecting to see was something like "0x8fc9:fff2" for example.
>  What is the underlying concept you are referring to?  I will admit I am
> relatively new to this, but it seems fairly straightforward to want to
> view the memory address of a variable.  As you say, "1" could very well
> be the address, but I tried the above example with 3 different variables,
> expecting to see their addresses listed sequentially 2 bytes apart (short
> int on my machine).  Instead, it gave me "1, 1, 1" which seems incorrect
> to me.

In fact it is. What you should see is something like
 0xdeadbeef
or so. 

I think this is a bug in the iostream library. Another reason
for porting a newer version to DJGPP...
If I should have the time I'll look at it, but I doubt that...
Any other volunteers?

-- 
Ciao
Tom

*************************************************************
* Thomas Demmer                                             *
* Lehrstuhl fuer Stroemungsmechanik                         *
* Ruhr-Uni-Bochum                                           *
* Universitaetsstr. 150                                     *
* D-44780  Bochum                                           *
* Tel: +49 234 700 6434                                     *
* Fax: +49 234 709 4162                                     *
* http://www.lstm.ruhr-uni-bochum.de/~demmer                *
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