Re: [PATCH v2 00/14] new git check-ignore sub-command

> Junio C Hamano <gitster@pobox.com> writes:
>> Adam Spiers <git@adamspiers.org> writes:
>>> Adam Spiers (14):
>>>   Update directory listing API doc to match code
>>>   Improve documentation and comments regarding directory traversal API
>>>   Rename cryptic 'which' variable to more consistent name
>>>   Rename path_excluded() to is_path_excluded()
>>>   Rename excluded_from_list() to is_excluded_from_list()
>>>   Rename excluded() to is_excluded()
>>>   Refactor is_excluded_from_list()
>>>   Refactor is_excluded()
>>>   Refactor is_path_excluded()
>>>   For each exclude pattern, store information about where it came from
>>>   Refactor treat_gitlinks()
>>>   Extract some useful pathspec handling code from builtin/add.c into a
>>>     library
>>>   Provide free_directory() for reclaiming dir_struct memory
>>>   Add git-check-ignore sub-command

> As to the "who owns x->src and when is it freed" question, it may
> make sense to give el a "filename" field (command line and other
> special cases would get whatever value you deem appropriate, like
> NULL or "<command line>"), have x->src point at that field when you
> queue many x's to the el in add_exc_from_file_to_list().  Then when
> you pop an element in the exclude_stack, you can free el->filename
> to plug a potential leak.

> Also I do not see why you need to have the strdup() in the caller of
> add_excludes_from_file_to_list().  If you need to keep it stable
> because you are copying it away in exclude or excludde_list,
> wouldn't it make more sense to do that at the beginning of the
> callee, i.e. add_excludes_from_file_to_list() function?