Initial commit

Makefile

@@ -0,0 +1,16 @@
+.PHONY: all clean
+
+CC = gcc
+CLIBS = -lwayland-client
+CFLAGS = $(CLIBS)
+
+SRC = main.c
+OUT = wl-globals
+
+all: $(OUT)
+
+clean:
+	rm -f $(OUT)
+
+$(OUT): $(SRC)
+	$(CC) $(SRC) $(CFLAGS) -o $(OUT)

main.c

@@ -0,0 +1,41 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <wayland-client.h>
+
+#define ASSERT(cond, msg)\
+  if(!(cond)) {\
+    fprintf(stderr, "Runtime assertion %s at %s:%d failed: %s\n", #cond, __FILE__, __LINE__, msg);\
+    exit(-1);\
+  }
+
+void handle_global(
+    void* data, 
+    struct wl_registry* registry, 
+    uint32_t name,
+    const char* interface, 
+    uint32_t version) {
+  printf("%s\n", interface);
+}
+
+void handle_global_remove(
+    void* data,
+    struct wl_registry* registry,
+    uint32_t name) {
+	// Who cares
+}
+
+const struct wl_registry_listener reg_callbacks = {
+	.global = handle_global,
+	.global_remove = handle_global_remove,
+};
+
+int main() {
+  struct wl_display* dpy = wl_display_connect(NULL);
+  ASSERT(dpy != NULL, "Unable to connect to Wayland");
+
+  struct wl_registry* registry = wl_display_get_registry(dpy);
+	wl_registry_add_listener(registry, &reg_callbacks, NULL);
+	wl_display_roundtrip(dpy);
+  return 0;
+}