xcb: Protocol in $DISPLAY
Alan Coopersmith
alan.coopersmith at oracle.com
Wed May 12 19:20:50 PDT 2010
Jeremy Huddleston wrote:
> I was noticing that xcb doesn't seem to like DISPLAYs that have the protocol explicitly defined. eg:
>
> $ DISPLAY=inet/localhost:1 ./xcbdpyinfo
> Connect failed.
>
> but localhost:1 works just fine. Is this something that Xlib was doing "extra", or is this a bug in xcb that needs to be fixed there?
It is certainly part of the Xlib spec - from Chapter 2:
The encoding and interpretation of the display name are
implementation-dependent. Strings in the Host Portable
Character Encoding are supported; support for other characters is
implementation-dependent. On POSIX-conformant
systems, the display name or DISPLAY environment variable
can be a string in the format:
protocol/hostname:number.screen_number
Apparently the protocol/ prefix never made it to the X(7) man page
description of DISPLAY though.
--
-Alan Coopersmith- alan.coopersmith at oracle.com
Oracle Solaris Platform Engineering: X Window System
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