If asprintf fails for any reason, the contents of the pointer
are undefined. While some platforms set it to NULL, there is no
guarantee that all will.
This change adds a simple wrapper to ensure proper NULL results
on failure.
Signed-off-by: Jon A. Cruz <jonc@osg.samsung.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Added LIBINPUT_PRINTF attribute and the required declaration for it.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Makes debugging a bit easier when you can just ask users to do that instead of
digging around in whatever packaging system they have.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-By: Derek Foreman <derekf@osg.samsung.com>
xinput or an equivalent isn't available under wayland, but the majority of
use-cases of "why doesn't my device work" or "why does feature X not work"
should be covered by simply listing the local devices and their config
options.
Example output:
Device: SynPS/2 Synaptics TouchPad
Kernel: /dev/input/event4
Group: 9
Seat: seat0, default
Size: 97.33x62.40mm
Capabilities: pointer
Tap-to-click: disabled
Left-handed: disabled
Nat.scrolling: disabled
Calibration: n/a
Scroll methods: *two-finger
Click methods: *button-areas clickfinger
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
