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57e872301f
In file included from ../mi/miexpose.c:83:
../mi/miexpose.c: In function ‘miHandleExposures’:
../include/regionstr.h:174:22: warning: ‘expBox.y2’ may be used uninitialized in this function [-Wmaybe-uninitialized]
(_pReg)->extents = *(_pBox);
~~~~~~~~~~~~~~~~~^~~~~~~~~~
../mi/miexpose.c:139:12: note: ‘expBox.y2’ was declared here
BoxRec expBox;
^~~~~~
etc. It's initialized if (extents), and then only read if (extents),
but gcc doesn't seem to figure that out. Whatever, bzero it to be
explicit.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Acked-by: Keith Packard <keithp@keithp.com>
X Server
The X server accepts requests from client applications to create windows,
which are (normally rectangular) "virtual screens" that the client program
can draw into.
Windows are then composed on the actual screen by the X server
(or by a separate composite manager) as directed by the window manager,
which usually communicates with the user via graphical controls such as buttons
and draggable titlebars and borders.
For a comprehensive overview of X Server and X Window System, consult the
following article:
https://en.wikipedia.org/wiki/X_server
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