Re: [PATCH] Input: evdev - add ioctl cmd EVIOCGBUFSIZE to get buffer size

From: Aniroop Mathur
Date: Fri Jan 08 2016 - 15:20:47 EST

On Sat, Jan 9, 2016 at 1:43 AM, One Thousand Gnomes
<gnomes@xxxxxxxxxxxxxxxxxxx> wrote:
>> During system boot up, user space buf size is fixed, it cannot be
>> resized later and we cannot choose by hit&trial.
>> struct input_event* mBuffer = new input_event[mBuf];
> Who says that won't change ? Imagine a future case where plugging in a
> device changes the buffer size ?

Ofcourse buffer size can be changed but it will also change the value of bufsize
variable and accordingly user space client should also change its buf size.

> Alan