116     uint8_t overflowCount = 0;  member in crow::utility::Base64Encoder
146         if (overflowCount == 2)  in encode()
151                 overflowCount = 0;  in encode()
155         else if (overflowCount == 1)  in encode()
160                 overflowCount = 0;  in encode()
171         if (!data.empty() && overflowCount == 0)  in encode()
174             overflowCount++;  in encode()
178         if (!data.empty() && overflowCount == 1)  in encode()
181             overflowCount++;  in encode()
190         if (overflowCount == 0)  in finalize()
198         if (overflowCount == 2)  in finalize()
211         overflowCount = 0;  in finalize()