Re: [bug-mailutils] POP3 code changes

[Alain Magloire]

> 
> > This was more a question for Sergey, is MH cleanly separated ?
> 
> Oh, sorry for having replied late... Well, yes it is clearly separated
> in the sense that it follows the current mailutils paradigm, that is
> 
> 1) it is concentrated in the three files: mbx_mh.c, folder_mh.c and
> url_mh.c;

Yes, to be accessible in the mailutils framework i.e.
mailbox_create() etc ..
So any application could understand MH __whithout__ changing the code

# frm mh://home/alain/Mail

or something similar.

But, could it be separate, for application that __only__
want to build with MH and link whith only mh support, the opposite of 
the mailutils framework 8-).

#include <mailutils/sys/mh.h>

int main() {
..
  mh_get_sequence(mh, &seq) // MH functions API
..
}

The challenge of mailutils/mailbox2/* was a few things:
(1) one more layer beetween mailbox_t and the implementation
    so they both could be use independently.
(2) Better C OO model to allow cleaner subclass
(3) maybe drop supports for non-blocking and thread-safe
...

I think we can start merging back or get the work in mailutils/mailbox
for the point (1).

The problem with (2) is that I do not have enough time to take
this up and it will mean long breakage.

So, let's do this by iterations 8-), longer but things can still
be tested and release.


> 2) these sources do not depend on other sources, except
> "*0.h" headers;
> 
> As I noticed before, the only difference between mh and maildir
> is that the former does not make any provisions for locking
> the particular message files, since mh is non-concurrent by its
> nature, whereas maildir is. Thus, most of the mh functions should
> work for maildir except deleting and appending. The straight method
> of joining the two functionalities (mh and maildir), would be to
> add the locking to mbx_mh.c, leaving it disabled by default for pure
> mh and enabled ny default for maildir. Then, we would need a common
> header file for mbx_mh.c and mbx_maildir.c. I'll try to implement
> this during the holidays.
> 
> Regards,
> Sergey
> 
> 
> 
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-- 
au revoir, alain
----
Aussi haut que l'on soit assis, on est toujours assis que sur son cul !!!