Re: [RFC] tty: n_tty -- Add new TIOCPEEKRAW ioctl to peek unread data

From: Jiri Slaby
Date: Sun Mar 13 2016 - 06:15:01 EST


On 03/12/2016, 03:18 PM, Cyrill Gorcunov wrote:
> --- linux-ml.git.orig/include/uapi/asm-generic/ioctls.h
> +++ linux-ml.git/include/uapi/asm-generic/ioctls.h
> @@ -77,6 +77,7 @@
> #define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */
> #define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */
> #define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */
> +#define TIOCPEEKRAW _IOR('T', 0x41, void *)

Hi, this is not 32/64bit compatible and would need a compat ioctl number
and a wrapper. Since it is char *, could you make it just 'char'?

thanks,
--
js
suse labs