#include <stddef.h>
#include <sys/time.h>
#include "time_func.h"

static TIMESTAMP start_timestamp = 0;

TIMESTAMP TimeSinceEpoch(void)
{
  TIMESTAMP rc;
  struct timeval tv;

  gettimeofday(&tv, NULL);
  rc = (tv.tv_sec * (TIMESTAMP)1000) + (tv.tv_usec / (TIMESTAMP)1000);
  return rc;
}

TIMESTAMP TimeSinceStart(void)
{
  return TimeSinceEpoch() - start_timestamp;
}

void TimeInit(void)
{
  start_timestamp = TimeSinceEpoch();
}