On Mon, 29 Oct 2001, Alfred Perlstein wrote:
> * Lamont Granquist <[EMAIL PROTECTED]> [011029 00:43] wrote:
> > I'm trying to figure out the best way to write a wrapper around memcpy()
> > which can call fprintf() without winding up getting into a recursive
> > loop. The problem is that fprintf() will call memcpy() and around and
> > around we go.
> >
> > I can use a global variable to prevent this, but that usage isn't thread
> > safe. I can make it thread safe by using pthread keys, but then i have to
> > link in libc_r, and for non-pthreaded programs i don't want to do that.
> >
> > Anyone have any suggestions? Right now I'm almost thinking that I just
> > need to directly patch libc and libc_r. It might be an ugly patch though,
> > and I'd rather not have this patch mandate recompiling all of libc.
>
> Where do you see mem* calling printf?
that's in my wrapper around memcpy.
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