| 48 | |
| 49 | // Helper to write data to IOVectors |
| 50 | function writeIOVs(view, iovs_ptr, iovs_len, data) { |
| 51 | let bytesWritten = 0; |
| 52 | let dataOffset = 0; |
| 53 | for (let i = 0; i < iovs_len && dataOffset < data.length; i++) { |
| 54 | const ptr = view.getUint32(iovs_ptr + i * 8, true); |
| 55 | const len = view.getUint32(iovs_ptr + i * 8 + 4, true); |
| 56 | const chunkLen = Math.min(len, data.length - dataOffset); |
| 57 | const dest = new Uint8Array(view.buffer, ptr, chunkLen); |
| 58 | dest.set(data.subarray(dataOffset, dataOffset + chunkLen)); |
| 59 | bytesWritten += chunkLen; |
| 60 | dataOffset += chunkLen; |
| 61 | } |
| 62 | return bytesWritten; |
| 63 | } |
| 64 | |
| 65 | let instance = null; |
| 66 | |