murmurhash3 test failures on big-endian systems

[Josef 'Jeff' Sipek]

On Tue, Mar 27, 2018 at 13:15:31 +0300, Apollon Oikonomopoulos wrote:
> On 13:05 Tue 27 Mar     , Apollon Oikonomopoulos wrote:
> > On 11:31 Tue 27 Mar     , Apollon Oikonomopoulos wrote:
> > It turns out there's a missing byte-inversion when loading the blocks 
> > which should be addressed in getblock{32,64}. Murmurhash treats each 
> > block as an integer expecting little-endian storage. Applying this 
> > additional change fixes the build on s390x (and does not break it on 
> > x864_64):
> > 
> > --- b/src/lib/murmurhash3.c
> > +++ b/src/lib/murmurhash3.c
> > @@ -23,7 +23,7 @@
> > 
> >  static inline uint32_t getblock32(const uint32_t *p, int i)
> >  {
> > -  return p[i];
> > +  return cpu32_to_le(p[i]);
> 
> … or perhaps le32_to_cpu, although it should be the same in the end. 

Right.

I'm going get the changes reviewed & committed.  I'll ping you when there is
a commit with the "official" fix.

Thanks,

Jeff.

> >  }
> > 
> >  //-----------------------------------------------------------------------------
> > @@ -105,7 +105,7 @@
> > 
> >  static inline uint64_t getblock64(const uint64_t *p, int i)
> >  {
> > -  return p[i];
> > +  return cpu64_to_le(p[i]);
> >  }
> > 
> > Regards,
> > Apollon

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