#include <wayland-client.h>

#include <string.h>

static struct wl_compositor *wl_compositor;
static struct wl_shm *wl_shm;

static void global(void *data,
                   struct wl_registry *wl_registry,
                   uint32_t name,
                   const char *interface,
                   uint32_t version)
{
	if (strcmp(interface, wl_compositor_interface.name) == 0) {
		wl_compositor = wl_registry_bind(
			wl_registry,
			name,
			&wl_compositor_interface,
			version);
	}
	else if (strcmp(interface, wl_shm_interface.name) == 0) {
		wl_shm = wl_registry_bind(
			wl_registry,
			name,
			&wl_shm_interface,
			version);
	}
}

static void global_remove(void *data,
                          struct wl_registry *wl_registry,
                          uint32_t name)
{
}

static struct wl_registry_listener listener = {
	global,
	global_remove,
};

int main()
{
	struct wl_display *wl_display = wl_display_connect(NULL);
	struct wl_registry *wl_registry = wl_display_get_registry(wl_display);
	wl_registry_add_listener(wl_registry, &listener, NULL);
	wl_display_roundtrip(wl_display);
	wl_display_roundtrip(wl_display);
	wl_compositor_destroy(wl_compositor);
	wl_shm_destroy(wl_shm);
	wl_registry_destroy(wl_registry);
	wl_display_disconnect(wl_display);
	return 0;
}