Re: [Bug-gnulib] addition: fstrcmp.h, fstrcmp.c

[Paul Eggert]

Bruno Haible <address@hidden> writes:

> Since you probably want to stay in C and not use C++ templates, can
> you arrange to put the core of these routines (at least up to and
> including 'compareseq') in a gnulib module whose element type can be
> parametrized through #defines?

Yes, that's the basic idea of what I plan to do in the merge.

> For msgdiff, however, I'll need more than just counts, I'll need
> precise element numbers of each hunk. I.e. there should also be a
> function like
> 
>     struct hunk * diff_sequences (const ELEMENT *seq1, size_t size1,
>                                   const ELEMENT *seq2, size_t size2);
> 
> where
> 
>     struct hunk
>       {
>         struct hunk *next;
>         struct change *changes; // list of changes, see diff.h
>       };

Wouldn't it suffice to return 'struct change *'?  That is, why
do you need a list of list of changes; won't a list of changes do?