Date: Thu, 19 Dec 2002 13:19:30 -0500
Message-Id: <200212191819.gBJIJUs14229@envy.delorie.com>
X-Authentication-Warning: envy.delorie.com: dj set sender to dj AT delorie DOT com using -f
From: DJ Delorie <dj AT delorie DOT com>
To: djgpp AT delorie DOT com
In-reply-to: <8c83mFDGb3B@hans-juergen.taenzer.dialin.t-online.de>
Subject: Re: How to get the amount of free memory
References:  <8c83mFDGb3B AT hans-juergen DOT taenzer DOT dialin DOT t-online DOT de>
Reply-To: djgpp AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: djgpp AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk


> how do i get the amount of free real-memory (memory below 1 MB)
> from a running programm?

Call __dpmi_allocate_dos_memory() and ask for too much.  It will
return an error and tell you how much is actually available
(i.e. largest single allocation).

http://www.delorie.com/djgpp/doc/dpmi/api/310100.html
http://www.delorie.com/djgpp/doc/libc/libc_188.html

> Is __dpmi_allocate_dos_memory() the right approach?

Yup.