941   int BytesRead = 0, BytesWritten = 0;  in copy_file_internal()  local
943     BytesRead = read(ReadFD, Buf, BufSize);  in copy_file_internal()
944     if (BytesRead <= 0)  in copy_file_internal()
946     while (BytesRead) {  in copy_file_internal()
947       BytesWritten = write(WriteFD, Buf, BytesRead);  in copy_file_internal()
950       BytesRead -= BytesWritten;  in copy_file_internal()
957   if (BytesRead < 0 || BytesWritten < 0)  in copy_file_internal()
997   int BytesRead = 0;  in md5_contents()  local
999     BytesRead = read(FD, Buf.data(), BufSize);  in md5_contents()
1000     if (BytesRead <= 0)  in md5_contents()
1002     Hash.update(makeArrayRef(Buf.data(), BytesRead));  in md5_contents()
1005   if (BytesRead < 0)  in md5_contents()