Re: [PATCH v2 07/11] ref-filter: introduce align_atom_parser()

> On Wed, Dec 16, 2015 at 10:29 AM, Karthik Nayak <karthik.188@gmail.com> wrote:
>> Introduce align_atom_parser() which will parse an "align" atom and
>> store the required alignment position and width in the "use_atom"
>> structure for further usage in 'populate_value()'.
>>
>> Helped-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
>> Signed-off-by: Karthik Nayak <Karthik.188@gmail.com>
>> ---
>> diff --git a/ref-filter.c b/ref-filter.c
>> @@ -63,6 +69,49 @@ static void color_atom_parser(struct used_atom *atom)
>> +static void align_atom_parser(struct used_atom *atom)
>> +{
>> +       [...]
>> +       match_atom_name(atom->str, "align", &buf);
>> +       if (!buf)
>> +               die(_("expected format: %%(align:<width>,<position>)"));
>> +       [...]
>> +}
>> @@ -880,35 +924,7 @@ static void populate_value(struct ref_array_item *ref)
>>                                 v->s = " ";
>>                         continue;
>>                 } else if (match_atom_name(name, "align", &valp)) {
>
> Hmm, align_atom_parser() has already been called before we get here,
> right? And it has already invoked match_atom_name() and died if the
> argument to "align:" was missing, correct? If so, then this invocation
> of match_atom_name() in populate_value() is unnecessary and should be
> replaced with a simpler starts_with("align:").
>
> Plus, 'valp' is not used, aside from this unnecessary
> match_atom_name(), thus it can be removed as well.
>