| 124 | } |
| 125 | |
| 126 | static BAN::ErrorOr<BAN::Vector<uint8_t>> compress_kernel_logs() |
| 127 | { |
| 128 | constexpr size_t max_size = ((s_qr_code_max_capacity + 3) / 4 * 3) - sizeof(s_panic_url_prefix); |
| 129 | |
| 130 | BAN::Vector<uint8_t> result; |
| 131 | |
| 132 | size_t l = 0, r = s_debug_buffer_size; |
| 133 | while (l + 50 < r) |
| 134 | { |
| 135 | const size_t middle = (l + r) / 2; |
| 136 | const uint8_t* base = reinterpret_cast<const uint8_t*>(s_debug_buffer) + s_debug_buffer_size - middle; |
| 137 | |
| 138 | auto compressed = TRY(LibDEFLATE::Compressor({ base, middle }, LibDEFLATE::StreamType::Zlib).compress()); |
| 139 | if (compressed.size() > max_size) |
| 140 | r = middle; |
| 141 | else |
| 142 | { |
| 143 | l = middle; |
| 144 | result = BAN::move(compressed); |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | return result; |
| 149 | } |
| 150 | |
| 151 | void dump_qr_code() |
| 152 | { |
no test coverage detected