[Uwe Moeller <umr@interlogic.de>] libc/2215: mcheck(): free() reports "invalid pointer" while pointer looks ok

[Wolfram Gloger]

Hello,

> I've a change for this which I'm testing in this moment.  The problem
> is that the hooks are overwritten before malloc had the chance to
> install it's own wrappers.

OK thanks -- I think one set of hooks should take precedence, if the
hooks have already been set by mcheck then MALLOC_CHECK_ shouldn't try
to re-set them.

Regards,
Wolfram.