Re: contrib/ltree for 7.2 or 7.3 ?

On Tue, 6 Aug 2002, Bruce Momjian wrote:

>
> Folks, has this been fixed?
>

Bruce, you already did apply patches which fixed this issue :-)

> ---------------------------------------------------------------------------
>
> Tom Lane wrote:
> > > Oleg Bartunov wrote:
> > >> One known issue: It'll not works with 64-bit OS. We'll certainly fix this
> > >> but will appreciate if somebody with access to 64-bit machine could help us.
> >
> > Actually, it dumps core instantly on 32-bit machines too, if they are
> > pickier about alignment than Intel hardware is. You can't map
> > structures onto char[] arrays that start at odd byte offsets and not
> > expect trouble.
> >
> > I also do not trust macros like this:
> >
> > typedef struct {
> > int32 len;
> > uint16 numlevel;
> > char data[1];
> > } ltree;
> >
> > #define LTREE_HDRSIZE ( sizeof(int32) + sizeof(uint16) )
> >
> > because they take no account of the possibility of padding between fields.
> >
> > regards, tom lane
> >
>
>

Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83