//  s is string of data to be hashed, recordLen is strlen(s)
unsigned long hash2(char* s, int tableSize, int bucketSize, int recordLen) {
  unsigned long orVal;
  unsigned long remainder;
  for (orVal = 0; strlen(s) >= 4; s += 4) orVal ^= *reinterpret_cast<unsigned long*>(s);
  if (strlen(s) != 0) {
    strcpy(reinterpret_cast<char*>(&remainder),s);
    orVal ^= remainder;
  }
  return (orVal % tableSize) * bucketSize * recordLen;
}