996   int BytesRead = 0, BytesWritten = 0;  in copy_file_internal()  local
998     BytesRead = read(ReadFD, Buf, BufSize);  in copy_file_internal()
999     if (BytesRead <= 0)  in copy_file_internal()
1001     while (BytesRead) {  in copy_file_internal()
1002       BytesWritten = write(WriteFD, Buf, BytesRead);  in copy_file_internal()
1005       BytesRead -= BytesWritten;  in copy_file_internal()
1012   if (BytesRead < 0 || BytesWritten < 0)  in copy_file_internal()
1054   int BytesRead = 0;  in md5_contents()  local
1056     BytesRead = read(FD, Buf.data(), BufSize);  in md5_contents()
1057     if (BytesRead <= 0)  in md5_contents()
1059     Hash.update(ArrayRef(Buf.data(), BytesRead));  in md5_contents()
1062   if (BytesRead < 0)  in md5_contents()