| 29 | } |
| 30 | |
| 31 | extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) |
| 32 | { |
| 33 | // WrpReader::Load dispatches on a 4-byte magic; raw mutations almost never hit one, |
| 34 | // so force a valid header. Pick OPRW (version 3) or the RVW family (64x64 grid) from |
| 35 | // an input byte so both format branches stay reachable. |
| 36 | std::vector<uint8_t> buf; |
| 37 | if (size && (data[0] & 1)) |
| 38 | { |
| 39 | static const uint8_t H[] = {'O', 'P', 'R', 'W', 3, 0, 0, 0}; // OPRW v3 |
| 40 | buf = fuzz::ForceHeader(H, sizeof(H), data, size); |
| 41 | } |
| 42 | else |
| 43 | { |
| 44 | static const uint8_t H[] = {'2', 'W', 'V', 'R', 64, 0, 0, 0, 64, 0, 0, 0}; // RVW v2, 64x64 |
| 45 | buf = fuzz::ForceHeader(H, sizeof(H), data, size); |
| 46 | } |
| 47 | try |
| 48 | { |
| 49 | WrpReader reader; |
| 50 | QIStream f(reinterpret_cast<char*>(buf.data()), static_cast<int>(buf.size())); |
| 51 | reader.Load(f); |
| 52 | } |
| 53 | catch (...) |
| 54 | { |
| 55 | } |
| 56 | return 0; |
| 57 | } |
nothing calls this directly
no test coverage detected