Re: [git pull 09/14] Uinput: add UI_SET_SWBIT ioctl

[Dmitry Torokhov]

On 11/23/05, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> wrote:
> Oh,and ... ARGH !
>
> So you pass that nice structure
>
> struct input_event {
>        struct timeval time;
>        __u16 type;
>        __u16 code;
>        __s32 value;
> };
>
> to userland via read() ... cool, a structure that is not compatible
> between 32 and 64 bits passed around via a read call. that will be fun
> to fix.
>

It would need the same treatment as evdev got. Entire uinput is not
32/64 bit friendly (hostorically). However, it should be used by an
userspace "driver", not an ordinary program, so we probably shoudl
just require using native-sized binary with uinput.

--
Dmitry
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