/*
 * call-seq:
 *   Guestfs::Guestfs.new() -> Guestfs::Guestfs
 *
 * Call
 * +guestfs_create+[http://libguestfs.org/guestfs.3.html#guestfs_create]
 * to create a new libguestfs handle.  The handle is represented in
 * Ruby as an instance of the Guestfs::Guestfs class.
 */
static VALUE
ruby_guestfs_create (VALUE m)
{
  guestfs_h *g;

  g = guestfs_create ();
  if (!g)
    rb_raise (e_Error, "failed to create guestfs handle");

  /* Don't print error messages to stderr by default. */
  guestfs_set_error_handler (g, NULL, NULL);

  /* Wrap it, and make sure the close function is called when the
   * handle goes away.
   */
  return Data_Wrap_Struct (c_guestfs, NULL, ruby_guestfs_free, g);
}