211   uint32_t OffsetInBlock = Offset % BlockSize;  in tryReadContiguously()  local
212   uint32_t BytesFromFirstBlock = std::min(Size, BlockSize - OffsetInBlock);  in tryReadContiguously()
235   BlockData = BlockData.drop_front(OffsetInBlock);  in tryReadContiguously()
243   uint32_t OffsetInBlock = Offset % BlockSize;  in readBytes()  local
260     const uint8_t *ChunkStart = BlockData.data() + OffsetInBlock;  in readBytes()
261     uint32_t BytesInChunk = std::min(BytesLeft, BlockSize - OffsetInBlock);  in readBytes()
267     OffsetInBlock = 0;  in readBytes()
395   uint32_t OffsetInBlock = Offset % getBlockSize();  in writeBytes()  local
402         std::min(BytesLeft, getBlockSize() - OffsetInBlock);  in writeBytes()
407     MsfOffset += OffsetInBlock;  in writeBytes()
414     OffsetInBlock = 0;  in writeBytes()