gistfile1.cpp

Variant HHVM_FUNCTION(rand, ActRec* ar) {
  int64_t min, max;
  if (ar->numArgs() == 0) {
    min = 0;
    max = HHVM_FN(getrandmax)();
  } else {
    min = ar->getExtraArg(0)->m_data.num;
    max = ar->getExtraArg(1)->m_data.num;
  }
  if (!s_rand_is_seeded) {
    s_rand_is_seeded = true;
    srand(math_generate_seed());
  }

  int64_t number = rand();
  if (min != 0 || max != RAND_MAX) {
    RAND_RANGE(number, min, max, RAND_MAX);
  }
  return number;
}