Date: Thu, 10 Apr 1997 20:13:55 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: Andrew Crabtree <andrewc AT typhoon DOT rose DOT hp DOT com>
cc: De Messemaeker Johan <Johan DOT DeMessemaeker AT rug DOT ac DOT be>, djgpp AT delorie DOT com
Subject: Re: A beginner question ...
In-Reply-To: <199704092116.AA069380576@typhoon.rose.hp.com>
Message-ID: <Pine.SUN.3.91.970410201333.3026K-100000@is>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII


On Wed, 9 Apr 1997, Andrew Crabtree wrote:

> I know there is also a near pointer concept in djgpp.  I am not sure what it
> does exactly (although I assume it allows you to access memory not normally
> in your selector with just a 32 bit offset ?)

When you enable near pointers, you make your DS selector span the
entire 4GB address space.  Thus you get access to every address in
your system using the usual C pointers, effectively disabling the
memory protection.