[Xcb] [Bug 53242] xwininfo segfaults on invalid screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=53242

--- Comment #3 from Jeremy Huddleston <jeremyhu at freedesktop.org> 2012-08-25 19:37:25 UTC ---
Created attachment 66113
  --> https://bugs.freedesktop.org/attachment.cgi?id=66113
0001-Return-connection-failure-if-display-string-specifie.patch

Here's a patch for libxcb based on alanc's libxcb patch, but it introduces a
new error code to allow callers to tell the difference between the two errors.

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