994   int BytesRead = 0, BytesWritten = 0;  in copy_file_internal()  local
996     BytesRead = read(ReadFD, Buf, BufSize);  in copy_file_internal()
997     if (BytesRead <= 0)  in copy_file_internal()
999     while (BytesRead) {  in copy_file_internal()
1000       BytesWritten = write(WriteFD, Buf, BytesRead);  in copy_file_internal()
1003       BytesRead -= BytesWritten;  in copy_file_internal()
1010   if (BytesRead < 0 || BytesWritten < 0)  in copy_file_internal()
1052   int BytesRead = 0;  in md5_contents()  local
1054     BytesRead = read(FD, Buf.data(), BufSize);  in md5_contents()
1055     if (BytesRead <= 0)  in md5_contents()
1057     Hash.update(makeArrayRef(Buf.data(), BytesRead));  in md5_contents()
1060   if (BytesRead < 0)  in md5_contents()