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The documentation of XineramaQueryScreens states that number is always
set to the amount of screens in the returned array, but if the
communication with the X server fails, NULL is returned without
modifying number.
At least dwm relies on the fact that number is set to 0 on error, i.e.
when NULL is returned. As a NULL pointer contains 0 elements and the
documentation states that number contains the amount of elements of the
returned array, I think this should be fixed inside libXinerama.
Reviewed-by: Adam Jackson <ajax@redhat.com>
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_XEatDataWords was orignally introduced with the May 2013 security
patches, and in order to ease the process of delivering those,
fallback versions of _XEatDataWords were included in the X extension
library patches so they could be applied to older versions that didn't
have libX11 1.6 yet. Now that we're past that hurdle, we can drop
the fallbacks and just require libX11 1.6 for building new versions
of the extension libraries.
Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
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If the reported number of screens is too large, the calculations to
allocate memory for them may overflow, leaving us writing beyond the
bounds of the allocation.
Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
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rep.length is a CARD32, so rep.length << 2 could overflow in 32-bit builds
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
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Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
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Performed with: find * -type f | xargs perl -i -p -e 's{[ \t]+$}{}'
git diff -w & git diff -b show no diffs from this change
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
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Signed-off-by: Jesse Adkins <jesserayadkins@gmail.com>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
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Signed-off-by: Fernando Carrijo <fcarrijo@yahoo.com.br>
Acked-by: Tiago Vignatti <tiago.vignatti@nokia.com>
Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
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Compiler warning flags should be explicitly set in the makefile
rather than being merged with other packages compiler flags.
Signed-off-by: Gaetan Nadon <memsize@videotron.ca>
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Were previously part of xineramaproto, but they really belong here.
For a history of these files please refer to
git://anongit.freedesktop.org/git/xorg/proto/xineramaproto
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These parameters are not treated as input. Rename them to make the inner
workings slightly more obvious.
X.Org Bug 14511 <http://bugs.freedesktop.org/show_bug.cgi?id=14511>
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This makes the code match the man page.
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Xinerama.c:56:5: warning: incorrect type in initializer (incompatible argument 1 (different types))
Xinerama.c:68:8: error: symbol 'close_display' redeclared with different type (originally declared at Xinerama.c:48) - incompatible argument 1 (different types)
Xinerama.c:283:5: warning: Using plain integer as NULL pointer
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a global configure cache don't get confused.
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lib/XScrnSaver/src/Makefile.am
lib/Xfontcache/configure.ac
lib/Xfontcache/src/Makefile.am
lib/Xinerama/configure.ac
lib/Xinerama/src/Makefile.am
lib/Xtst/configure.ac
lib/Xv/configure.ac
lib/XvMC/configure.ac
lib/dmx/configure.ac Add missing xext.pc and xextproto.pc Add DEP_CFLAGS to
src/Makefile.am
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util/modular/addbuild.sh: Make it much faster by adding all the files
at once lib/Xinerama: check in the build system
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