Function parseDoubleDigit

bolt/type/TimestampConversion.cpp:153–166

inline bool characterIsDigit(char c) {
  return c >= '0' && c <= '9';
}

bool parseDoubleDigit(
    const char* buf,
    size_t len,
    size_t& pos,
    int32_t& result) {
  if (pos < len && characterIsDigit(buf[pos])) {
    result = buf[pos++] - '0';
    if (pos < len && characterIsDigit(buf[pos])) {
      result = (buf[pos++] - '0') + result * 10;
    }
    return true;
  }
  return false;
}