libc question

[Daniel Jacobowitz]

On Mon, Jul 31, 2006 at 06:36:20PM -0700, David Brown wrote:
> I'm looking into using LD_PRELOAD to track filesystem access and I've
> run into a problem.  It seems there are tons of filesystem interface
> functions in glibc that do various things, however, many of them (like
> mkstemp, mktemp, etc) don't seem to use open. They seem to use __open
> instead, an internal function that I can't seem to over-ride in
> LD_PRELOAD.  So I'm stuck having to over-ride every function on the
> interface layer of glibc. It would be nice to be able to over-ride
> __open so that I only have to do the tracking once rather than the
> many times for all the functions that call __open internally.

This is a FAQ.  There is no way to do this; glibc's internal interfaces
can not be overridden.  Sorry.

-- 
Daniel Jacobowitz
CodeSourcery