backend/libinput: add assertions

This commit is contained in:
emersion 2018-09-17 21:53:03 +02:00
parent bc34486c04
commit 7bcf0d9599
6 changed files with 94 additions and 52 deletions

View file

@ -7,6 +7,12 @@
#include "backend/libinput.h"
#include "util/signal.h"
static struct wlr_libinput_backend *get_libinput_backend_from_backend(
struct wlr_backend *wlr_backend) {
assert(wlr_backend_is_libinput(wlr_backend));
return (struct wlr_libinput_backend *)wlr_backend;
}
static int libinput_open_restricted(const char *path,
int flags, void *_backend) {
struct wlr_libinput_backend *backend = _backend;
@ -43,9 +49,9 @@ static void log_libinput(struct libinput *libinput_context,
_wlr_vlog(WLR_ERROR, fmt, args);
}
static bool backend_start(struct wlr_backend *_backend) {
static bool backend_start(struct wlr_backend *wlr_backend) {
struct wlr_libinput_backend *backend =
(struct wlr_libinput_backend *)_backend;
get_libinput_backend_from_backend(wlr_backend);
wlr_log(WLR_DEBUG, "Initializing libinput");
backend->libinput_context = libinput_udev_create_context(&libinput_impl,
@ -101,7 +107,7 @@ static void backend_destroy(struct wlr_backend *wlr_backend) {
return;
}
struct wlr_libinput_backend *backend =
(struct wlr_libinput_backend *)wlr_backend;
get_libinput_backend_from_backend(wlr_backend);
for (size_t i = 0; i < backend->wlr_device_lists.length; i++) {
struct wl_list *wlr_devices = backend->wlr_device_lists.items[i];
@ -158,9 +164,8 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
struct wlr_session *session) {
assert(display && session);
struct wlr_libinput_backend *backend = calloc(1, sizeof(struct wlr_libinput_backend));
struct wlr_libinput_backend *backend =
calloc(1, sizeof(struct wlr_libinput_backend));
if (!backend) {
wlr_log(WLR_ERROR, "Allocation failed: %s", strerror(errno));
return NULL;
@ -187,8 +192,10 @@ error_backend:
return NULL;
}
struct libinput_device *wlr_libinput_get_device_handle(struct wlr_input_device *_dev) {
struct wlr_libinput_input_device *dev = (struct wlr_libinput_input_device *)_dev;
struct libinput_device *wlr_libinput_get_device_handle(
struct wlr_input_device *wlr_dev) {
struct wlr_libinput_input_device *dev =
(struct wlr_libinput_input_device *)wlr_dev;
return dev->handle;
}