This is the mail archive of the
ecos-discuss@sourceware.cygnus.com
mailing list for the eCos project.
RE: tty driver
- To: <ecos-discuss at sourceware dot cygnus dot com>
- Subject: RE: [ECOS] tty driver
- From: "Perry Wang" <perrywang at nmnc dot com>
- Date: Tue, 21 Dec 1999 14:50:43 -0800
> Also, cyg_io_read returns -1 when user send backspace at the beginning of
> the line. This is self-explanatory if you look at the code.
I meant to say that cyg_io_read writes back -1 (or whatever it equates to as
unsigned) to the "len" parameter.