Re: Inline Assembly - Runtime Stack Allocation

From: Richard Bos (rlb_at_hoekstra-uitgeverij.nl)
Date: 07/01/04 

Date: Thu, 01 Jul 2004 07:11:32 GMT

lindahlb@hotmail.com (Brian Lindahl) wrote:

> I'm using a temporary buffer to transfer some data and would rather
> not allocate it on the heap. The problem is that the size of the
> buffer is only known upon entry into the function that utilizes it and
> I'd rather not waste space or dynamically allocate on the heap (since
> it doesn't need to persist). Now I'm planning on utilizing inline
> assembly to modify the stack pointer directly to allocate the space I
> need.

This is usually a very, very bad idea. What actual reasons have you for
_not_ using malloc(), which is quite nicely suited to this task? Come to
think of it, since you're using this space only as a transfer buffer,
why can't you transfer your data in fixed-size chunks?

Richard

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