[LTP] [PATCH 1/3] ioctl01: Add default tty device

[Petr Vorel]

> Hi Li,

> > > +#define        DEFAULT_TTY_DEVICE      "/dev/tty0"

> > Hidden the device path parameter is a good idea.

> > But maybe can we add a function to find available char devices instead
> > of using the tty0 as default? In that function, we do the S_ISCHR() check
> > and return the valid path of it. Then the rest test (e.g. ioctl02) can make
> > use of it but not set the specified device as well. WDYT?

> FYI I'm using S_ISCHR() in other patches, which check if device can be used.
> Implementing search looks like a good idea. Are useful files any /dev/tty*
> (including /dev/tty, /dev/ttyACM0, /dev/ttyS0) or should I avoid any file
> or include other paths?

I also wonder if we still want to keep -D parameter (i.e. allow tester to pass a
file).

Kind regards,
Petr

> Kind regards,
> Petr