Re: printw() only prints blank lines ...

[Thomas Dickey]

On Tue, 26 Jul 2005, Jackman, Robert wrote:

> If I use printf() to the print out this message all is well.
>
> However if I implement ncurses in the program and use printw instead of
> printf() I just get a blank space where the text output would normally
> appear ?!??

Perhaps the buffer contains text that was intended to overstrike.
ncurses interprets some characters.  For instance, something like

        printw("xxx\r\n")

would move the cursor to the first column and (in interpreting \n) clear
the remainder of the line.  See the waddch() manpage.

--
Thomas E. Dickey
http://invisible-island.net
ftp://invisible-island.net