alloca is bad?

[Michael Meissner]

On Mon, Nov 13, 2000 at 03:20:23PM -0500, Nick Duffek wrote:
> On 12-Nov-2000, Michael Meissner wrote:
> 
> >For malloc overruns, I typically just link in with -lefence or other
> >tools, and it is fairly obvious where the bug is.
> 
> For alloca overruns, one could get similar results by recompiling with
> libiberty's alloca and linking with -lefence.

That won't work, since alloca is a builtin provided by GCC.  If GCC is detected
as the compiler at configuration time, then alloca is not even built into
libiberty.  On systems like Linux and *BSD, there is typically no other
compiler except GCC.

-- 
Michael Meissner, Red Hat, Inc.
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