Re: [PATCH] sort: add --threads option to parallelize internal sort.

[Chen Guo]

How stupid of me:
> +int

> +memcoll0 (const char *s1, size_t s1len, const char *s2, size_t s2len)
> +{
> +  int diff;
> +  if (!(s1len > 0 && s1[s1len] == '\0'))
> +    abort ();
> +  if (!(s2len > 0 && s2[s2len] == '\0'))
> +    abort ();

should obviously be s1[s1len - 1] and s2[s2len - 1].