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From: levi@localhost.nc3a.nato.int
Subject: portable programming
Date: 25 Oct 2000, 12:15:18

Eike Lange a écrit :
> 
> Hi!
> 
> On Wed, Oct 25, 2000 at 10:34:29AM +0100, Nick Burrett wrote:
> > Eike Lange <eike.lange@uni-essen.de> writes:
> > > Thorsten and I use a very (possibly, depending
> > > on the source-size) large stack for the
> > > "pindent"- program. Are there any limitations
> > > for stack-size on some systems, gpc runs on?
> > Stack sizes can be set by ulimit on some systems.  On such
> > systems, it may be set as low as 2Mb.  It is set at
> > either 4Mb or 8Mb on all the servers we use here though.
> > For large allocations, it is usually better to use a more
> > permanent storage mechanism
> 
> I'm sorry, my question was not detailled enough :-(
> 
> We use stacks of this form:
> 
> Type
>  StackElementPtr = ^StackElement;
>  StackElement = Record
>     foo : aType;
>     next : StackElementPtr;
>  End;

So in fact it is allocated on the heap by new, not on the stack: the name is confusing. There are
limitations in stack size for DJGPP (256k by default) but not for the heap: all DPMI+swap size is
available.

Hope this helps

Maurice

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