| namespace yolo26 { | |
| // Returns true when the two memory ranges contain at least one common byte. | |
| // Preprocessing and inference use this check to reject input and output buffers | |
| // that overlap: writing output could otherwise destroy input bytes that have | |
| // not been read yet. Empty ranges never overlap, and buffers that meet exactly | |
| // at one range's end are adjacent rather than overlapping. | |
| inline bool BuffersOverlap(const void* first, size_t first_bytes, const void* second, | |
| size_t second_bytes) { | |
| if (first_bytes == 0 || second_bytes == 0) return false; | |
| const auto first_address = reinterpret_cast<uintptr_t>(first); | |
| const auto second_address = reinterpret_cast<uintptr_t>(second); | |
| // Compare the distance between start addresses. Calculating start + size | |
| // instead could wrap around the largest address representable by uintptr_t. | |
| if (first_address <= second_address) return second_address - first_address < first_bytes; | |
| return first_address - second_address < second_bytes; | |
| } | |
| } // namespace yolo26 | |