style: include brackets for if/while/for, even if it's a single statement

backend/session/logind.c

@@ -330,7 +330,9 @@ static bool add_signal_matches(struct logind_session *session) {
 
 static int dbus_event(int fd, uint32_t mask, void *data) {
 	sd_bus *bus = data;
-	while (sd_bus_process(bus, NULL) > 0);
+	while (sd_bus_process(bus, NULL) > 0) {
+		;
+	}
 	return 1;
 }
 

backend/session/session.c

@@ -307,8 +307,9 @@ size_t wlr_session_find_gpus(struct wlr_session *session,
 		}
 
 		const char *seat = udev_device_get_property_value(dev, "ID_SEAT");
-		if (!seat)
+		if (!seat) {
 			seat = "seat0";
+		}
 		if (session->seat[0] && strcmp(session->seat, seat) != 0) {
 			udev_device_unref(dev);
 			continue;

backend/wayland/backend.c

@@ -85,12 +85,24 @@ static void wlr_wl_backend_destroy(struct wlr_backend *_backend) {
 
 	wl_event_source_remove(backend->remote_display_src);
 	wlr_egl_finish(&backend->egl);
-	if (backend->seat) wl_seat_destroy(backend->seat);
+	if (backend->seat) {
-	if (backend->shm) wl_shm_destroy(backend->shm);
+		wl_seat_destroy(backend->seat);
-	if (backend->shell) zxdg_shell_v6_destroy(backend->shell);
+	}
-	if (backend->compositor) wl_compositor_destroy(backend->compositor);
+	if (backend->shm) {
-	if (backend->registry) wl_registry_destroy(backend->registry);
+		wl_shm_destroy(backend->shm);
-	if (backend->remote_display) wl_display_disconnect(backend->remote_display);
+	}
+	if (backend->shell) {
+		zxdg_shell_v6_destroy(backend->shell);
+	}
+	if (backend->compositor) {
+		wl_compositor_destroy(backend->compositor);
+	}
+	if (backend->registry) {
+		wl_registry_destroy(backend->registry);
+	}
+	if (backend->remote_display) {
+		wl_display_disconnect(backend->remote_display);
+	}
 	free(backend);
 }
 

examples/rotation.c

@@ -64,8 +64,12 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
 
 	odata->x_offs += odata->x_vel * seconds;
 	odata->y_offs += odata->y_vel * seconds;
-	if (odata->x_offs > 128) odata->x_offs = 0;
+	if (odata->x_offs > 128) {
-	if (odata->y_offs > 128) odata->y_offs = 0;
+		odata->x_offs = 0;
+	}
+	if (odata->y_offs > 128) {
+		odata->y_offs = 0;
+	}
 }
 
 static void handle_output_add(struct output_state *output) {

examples/screenshot.c

@@ -277,9 +277,10 @@ int main(int argc, char *argv[]) {
 			screenshooter, output->output, output->buffer);
 		orbital_screenshot_add_listener(screenshot, &screenshot_listener, screenshot);
 		buffer_copy_done = 0;
-		while (!buffer_copy_done)
+		while (!buffer_copy_done) {
 			wl_display_roundtrip(display);
 		}
+	}
 
 	write_image("wayland-screenshot.png", width, height);
 	return EXIT_SUCCESS;

types/wlr_surface.c

@@ -720,9 +720,10 @@ static struct wlr_subsurface *subsurface_find_sibling(
 
 	struct wlr_subsurface *sibling;
 	wl_list_for_each(sibling, &parent->subsurface_list, parent_link) {
-		if (sibling->surface == surface && sibling != subsurface)
+		if (sibling->surface == surface && sibling != subsurface) {
 			return sibling;
 		}
+	}
 
 	return NULL;
 }

xwayland/xwm.c

@@ -480,13 +480,16 @@ static void read_surface_net_wm_state(struct wlr_xwm *xwm,
 	xsurface->fullscreen = 0;
 	xcb_atom_t *atom = xcb_get_property_value(reply);
 	for (uint32_t i = 0; i < reply->value_len; i++) {
-		if (atom[i] == xwm->atoms[_NET_WM_STATE_FULLSCREEN])
+		if (atom[i] == xwm->atoms[_NET_WM_STATE_FULLSCREEN]) {
 			xsurface->fullscreen = true;
-		if (atom[i] == xwm->atoms[_NET_WM_STATE_MAXIMIZED_VERT])
+		}
+		if (atom[i] == xwm->atoms[_NET_WM_STATE_MAXIMIZED_VERT]) {
 			xsurface->maximized_vert = true;
-		if (atom[i] == xwm->atoms[_NET_WM_STATE_MAXIMIZED_HORZ])
+		}
+		if (atom[i] == xwm->atoms[_NET_WM_STATE_MAXIMIZED_HORZ]) {
 			xsurface->maximized_horz = true;
 		}
+	}
 }
 
 static void read_surface_property(struct wlr_xwm *xwm,