Re: FYI: portability tweak for Tru64 V4.0.

[Matthew Woehlke]

Paul Eggert wrote:
> Jim Meyering <address@hidden> writes:
>
> > +static inline off_t ftello (FILE *stream)
> > +{
> > +  off_t off = ftell (stream);
> > +  if (off < 0)
> > +    return off;
> > +  if (off != (long int) off)
> > +    {
> > +      errno = EOVERFLOW;
> > +      return -1;
> > +    }
> > +  return off;
> > +}
>
> Something's odd here.  ftell returns long int, so the ftello
> substitute needs to worry about overflow only on hosts where long int
> is wider than off_t.  But I don't know of any such hosts and don't
> expect that there will ever be any.  Surely on Tru64 both types are
> 64-bit.

Too late, Windows is one. I *so* want to kill someone for actually 
having the gall to create a P64 (as opposed to LP64) platform.

But Tru64 is not, sizeof(long int) == 8.

--
Matthew
When on POSIX, do as POSIX mandates.