| 8 | namespace webgui { |
| 9 | |
| 10 | static std::string base64_encode(FlatArray<unsigned char> in) { |
| 11 | std::string out; |
| 12 | |
| 13 | int val = 0, valb = -6; |
| 14 | for (unsigned char c : in) { |
| 15 | val = (val << 8) + c; |
| 16 | valb += 8; |
| 17 | while (valb >= 0) { |
| 18 | out.push_back( |
| 19 | "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/" |
| 20 | [(val >> valb) & 0x3F]); |
| 21 | valb -= 6; |
| 22 | } |
| 23 | } |
| 24 | if (valb > -6) |
| 25 | out.push_back( |
| 26 | "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/" |
| 27 | [((val << 8) >> (valb + 8)) & 0x3F]); |
| 28 | while (out.size() % 4) out.push_back('='); |
| 29 | return out; |
| 30 | } |
| 31 | |
| 32 | double factorial(int n) { return std::tgamma(n + 1); } |
| 33 |
no outgoing calls
no test coverage detected