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Fix STR #2643: derefenced NULL pointer, if Xinerama is available, but inactive.

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@8733 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Albrecht Schlosser 2011-05-24 10:20:25 +00:00
parent c690c6fb1c
commit 203f4d8c7e
1 changed files with 1 additions and 1 deletions
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2
src/screen_xywh.cxx
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@ -237,7 +237,7 @@ void Fl::screen_xywh(int &X, int &Y, int &W, int &H, int mx, int my) {
}
}
#elif HAVE_XINERAMA
if (num_screens > 0) {
if (num_screens > 0 && screens) { // screens == NULL if !XineramaIsActive(fl_display)
int i;
for (i = 0; i < num_screens; i ++) {