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49dd6fc61e
enum to allow the function to return an error. * fhandler_console.cc (fhandler_console::read): Update the line_edit call to use the new enum. * fhandler_termios.cc (fhandler_termios::line_edit): Change return from an int to an enum to allow the function to return an error. Put put_readahead call before doecho for future patch. * fhandler_tty.cc (fhandler_pty_master::write): Change to call line_edit one character at a time, and stop if an error occurs.