This enables us to prevent callers from calling backend-specific functions on
mismatching backends.
Signed-off-by: Peter Hutterer <peter.hutte...@who-t.net>
---
src/libinput-private.h | 6 ++++++
src/path.c | 1 +
src/udev-seat.c | 1 +
3 files changed, 8 insertions(+)
diff --git a/src/libinput-private.h b/src/libinput-private.h
index 0d7de90..ee5a17d 100644
--- a/src/libinput-private.h
+++ b/src/libinput-private.h
@@ -26,7 +26,13 @@
#include "libinput.h"
#include "libinput-util.h"
+enum libinput_backend_type {
+ BACKEND_UDEV,
+ BACKEND_PATH,
+};
+
struct libinput_interface_backend {
+ enum libinput_backend_type backend_type;
int (*resume)(struct libinput *libinput);
void (*suspend)(struct libinput *libinput);
void (*destroy)(struct libinput *libinput);
diff --git a/src/path.c b/src/path.c
index de2ca49..4924b31 100644
--- a/src/path.c
+++ b/src/path.c
@@ -167,6 +167,7 @@ path_input_destroy(struct libinput *input)
}
static const struct libinput_interface_backend interface_backend = {
+ .backend_type = BACKEND_PATH,
.resume = path_input_enable,
.suspend = path_input_disable,
.destroy = path_input_destroy,
diff --git a/src/udev-seat.c b/src/udev-seat.c
index 957e762..b564c83 100644
--- a/src/udev-seat.c
+++ b/src/udev-seat.c
@@ -330,6 +330,7 @@ udev_seat_get_named(struct udev_input *input, const char
*seat_name)
}
static const struct libinput_interface_backend interface_backend = {
+ .backend_type = BACKEND_UDEV,
.resume = udev_input_enable,
.suspend = udev_input_disable,
.destroy = udev_input_destroy,
--
1.8.4.2
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