Date: Tue, 7 Sep 93 09:53:45 -0400
From: DJ Delorie <dj AT ctron DOT com>
To: HARNESS AT i1 DOT ph DOT gla DOT ac DOT uk
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: Re: malloc question


> I have partially solved this problem now that I've re-read the djgpp
> documentation but still have one query. My understanding of memory
> allocation under djgpp is that when physical memory runs out, disk
> space can be used as virtual memory.
> However, malloc seems to allow me to allocated more space than my
> memory plus available diskspace. Upon use of the allocated space strange
> things happen!! Is it possible to use set things up so that only
> physical memory is used? And should malloc return NULL if there isn't
> enough space altogether (physical and disk)?

Making malloc() return NULL when memory is exhausted has been
implemented in 1.11.  I'm still contemplating a flag that will allow
the old functionality.