Re: Sign compare checking

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> >
> > int ber_printf(BerElement *ber, const char *fmt, ...);
> >
> > lber.h:79:#define LBER_ERROR            ((ber_tag_t) -1)
> >
> > We check if (ber_printf(...) != LBER_ERROR)
> >
> > Of course, we can't satisfy either. We can't cast the LBER_ERROR from
> > uint -> int without changing the value of it, and we can't cast the
> > output of ber_printf from int -> uint, again, without potentially
> > changing the value of it. So it seems that the openldap library may be
> > impossible to satisfy the gcc type checking with -Wsign-compare.
> >
> > For now, I may just avoid these in my fixes, as it seems like a whole
> > set of landmines I want to avoid ...
> 

> 
> (as for why we still support mozldap - we still need an ldap c sdk that 
> supports NSS for crypto until we can fix that in the server. Once we 
> change 389 so that it can use openldap with openssl/gnutls for crypto, 
> we should consider deprecating support for mozldap.)

Actually, all of this is specific to openldap only. Nothing about
mozldap at all. 

So I think I'll just have to ignore the GCC warnings about this when
it's related to openldap ber library. 

-- 
Sincerely,

William Brown
Software Engineer
Red Hat, Brisbane

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