On Mon, Oct 24, 2016 at 11:55 AM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
>
> Make that a double-asterisk. The same problem appears in an updated
> example in technical/api-gitattributes.txt doc, but the example in
> the commit log message (below) is correct.
The implementation is actually using a double pointer, see below,
I forgot commit message and documentation
>> GIT_ATTR_RESULT_INIT_FOR(myresult, 1);
>
> Are you sure about this? We've called attr_check_initl() already so
> if this is declaring myresult, it would be decl-after-stmt.
I forgot to update the commit message and Documentation.
GIT_ATTR_RESULT_INIT_FOR is gone in the header
and in the implementation. I'll update that patch
to be consistent throughout all of {Documentation,
commit message, implementation}.
>
> The latter half is questionable. If it is "static" it wouldn't be
> thread safe, no? I think the diff in this patch for archive.c shows
> that we only expect
>
> struct git_attr_result result[2];
>
> upfront without RESULT_INIT_FOR(), and the reason why there is no
> need to free the result[] is because it is on the stack. And each
> element in result[] may point at a string, but the string belongs to
> the attr subsystem and must not be freed.
>
Same as above, it's bogus.
Thanks,
Stefan