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Re: malloc overrides
On Nov 5 11:11, Corinna Vinschen wrote:
> On Nov 5 04:04, Yaakov S wrote:
> > On 05/11/2009 03:56, Corinna Vinschen wrote:
> > >You can replace malloc with your own implementation, but it has to be a
> > >*working* implementation. Early in the per-process DLL initialization
> > >there's a call to free(malloc(16)), which is used to figure out if
> > >Cygwin's malloc has been overridden with an application-supplied version
> > >of malloc. Since your malloc calls exit, this goes down the gutter. At
> > >this early stage in initialization, Cygwin can't handle the exit call
> > >correctly.
> > >
> > >Unless we can implement a way to figure out if the application provides
> > >malloc without actually calling malloc, the above testcases are bound to
> > >fail.
> > Thanks for the explanation. So what are the correct answers to the
> > questions the code is trying to answer?
> Yes and no, in this order :)
Urgh, sorry, I wasn't paying enough attention to the style of the
questions. Let's try again, please:
Are we stuck with standard malloc? No
Is alloca based on malloc()? No
Corinna Vinschen Please, send mails regarding Cygwin to
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