import scala.scalanative.libc.stdlib._
import scala.scalanative.unsafe._

object leak {
  import Uv._
  import UvConstants._

  val loop = uv_default_loop()

  val cbTimer: CFuncPtr1[TimerHandle, Unit] = new CFuncPtr1[TimerHandle, Unit] {
    def apply(handle: TimerHandle): Unit = {}
  }

  val timer = malloc(uv_handle_size(UV_TIMER_T))

  def main(args: Array[String]): Unit = {
    uv_timer_init(loop, timer)
    uv_timer_start(timer, cbTimer, 0, 1)

    uv_run(loop, UV_RUN_DEFAULT)
  }
}

@link("uv")
@extern
object Uv {
  type Loop = Ptr[Byte]

  type TimerHandle = Ptr[Byte]
  type TimerCB = CFuncPtr1[TimerHandle, Unit]

  def uv_timer_init(loop: Loop, handle: TimerHandle): Int = extern
  def uv_timer_start(handle: TimerHandle, cb: TimerCB, timeout: Long, repeat: Long): Int = extern

  def uv_default_loop(): Loop = extern
  def uv_run(loop: Loop, runMode: Int): Int = extern
  def uv_handle_size(h_type: Int): CSize = extern
}

object UvConstants {
  val UV_RUN_DEFAULT = 0
  val UV_TIMER_T = 13
}