#include "debug.h"
#include "object.h"

void
e_object_init(E_Object * obj, E_Cleanup_Func cleanup_func)
{
   D_ENTER;

   if (!obj)
      D_RETURN;

   memset(obj, 0, sizeof(E_Object));
   obj->references = 1;
   obj->cleanup_func = cleanup_func;

   D_RETURN;
}

void
e_object_cleanup(E_Object * obj)
{
   D_ENTER;

   if (!obj)
      D_RETURN;

   FREE(obj);

   D_RETURN;
}

void
e_object_ref(E_Object * obj)
{
   D_ENTER;

   if (!obj)
      D_RETURN;

   obj->references++;
   D("++ refcount on %p, now %i\n", obj, obj->references);

   D_RETURN;
}

int
e_object_unref(E_Object * obj)
{
   D_ENTER;

   if (!obj)
      D_RETURN_(-1);

   obj->references--;

   D("-- refcount on %p, now %i\n", obj, obj->references);

   if (obj->references == 0 && obj->cleanup_func)
     {
	D("Refcount is zero, freeing.\n");
	obj->cleanup_func(obj);
	D_RETURN_(0);
     }

   D_RETURN_(obj->references);
}

int
e_object_get_usecount(E_Object * obj)
{
   D_ENTER;

   if (!obj)
      D_RETURN_(-1);

   D_RETURN_(obj->references);
}