[PATCH 2/2] wayland-util: Rename ARRAY_LENGTH -> __WL_ARRAY_LENGTH

[David Herrmann]

Hi Chad

On Thu, Oct 18, 2012 at 9:45 PM, Chad Versace
<chad.versace at linux.intel.com> wrote:
> On 10/18/2012 12:35 PM, Chad Versace wrote:
>> On 10/18/2012 10:23 AM, Pekka Paalanen wrote:
>>> On Thu, 18 Oct 2012 09:15:08 -0700
>>> Chad Versace <chad.versace at linux.intel.com> wrote:
>>>
>>>> wayland-util.h defined an unprefixed macro, ARRAY_LENGTH, which polluted
>>>> the global namespace. This caused symbol collisions in projects that
>>>> defined ARRAY_LENGTH slightly differently.
>>>>
>>>> Signed-off-by: Chad Versace <chad.versace at linux.intel.com>
>>>
>>> Hi Chad,
>>>
>>> do you have the weston patches to go with these?
>>> I think Weston code heavily uses both the macros you replaced.
>>
>> No, I wasn't aware that the macros were used outside Wayland. The
>> Weston patches coming soon.
>
> Hmm... I think the ARRAY_LENGTH needs to be revised. Since
> wayland-util.h:ARRAY_LENGTH is used outside of Wayland, I think it should be
> renamed to WL_ARRAY_LENGTH rather than __WL_ARRAY_LENGTH because
> double-underscore symbols are typically private.
>
> Opinions?

I think adding them to weston separately is ok. They are really not
related to wayland at all so I don't understand why we should make it
part of the libwayland API.

Regards
David