[Xcb] [PATCH libxcb v2 3/4] c_client: Add support for lists of FDs

[Eric Anholt]

Daniel Stone <daniels at collabora.com> writes:

> Matching xcbgen changes, add support having a ListType which contains
> file descriptors. Use this to send a variable number of FDs to the
> server, including when the list size is not fixed.
>
> Signed-off-by: Daniel Stone <daniels at collabora.com>

I've verified that patch 1 and 2 don't change the generated code, that
this patch only cosmetically changes the code, and that the generated
code for patch 4 looks reasonable.

I find the python to be pretty hairy, but it seems fine, and it's really
the generated code that matters, so patch 1-3 are:

Reviewed-by: Eric Anholt <eric at anholt.net>
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