Maintaining compatibility with newer versions

[Peter Hutterer]

Hi Nayan,

On Sun, Apr 12, 2020 at 10:28:22PM +0900, Nayan Deshmukh wrote:
> Hi,
> 
> I have written bindings for libevdev in rust [1].
> 
> I am having trouble converting the event type/code enums from C to
> rust. I want to handle the case where new event type/codes are
> introduced in the kernel and are not yet available in the version of
> the libevdev that the bindings are using.
> 
> My life and code will be much easier with the assumption that new
> event types will not be introduced and the only possibility is the
> introduction of new event codes. Can you please shed some light on
> this? Is this a valid assumption?

while it's unlikely that new types will get introduced, it's definitely
possible. There have been ideas floating around in the past for it, but
nothing ever came to fruition. But still, new event types are possible.

Cheers,
   Peter

> 
> Thanks,
> Nayan Deshmukh
> 
> [1] https://github.com/ndesh26/evdev-rs