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x11grab: Check XFixesGetCursorImage return value

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It could return NULL if the cursor is outside the screen, the connection
timed out or the system is out of memory.

CC: libav-stable@libav.org
This commit is contained in:
Luca Barbato 2014-09-11 14:28:44 +02:00
parent 89fa2b5616
commit 5b9c817dc7
1 changed files with 2 additions and 0 deletions
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2
libavdevice/x11grab.c
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@ -392,6 +392,8 @@ static void paint_mouse_pointer(XImage *image, X11GrabContext *s)
return;
xcim = XFixesGetCursorImage(dpy);
if (!xcim)
return;
x = xcim->x - xcim->xhot;
y = xcim->y - xcim->yhot;