X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=otk_c%2Fdisplay.c;h=c0cae13cb07f5c37cbdd9bc5db25c7ad170aee11;hb=e3b50c2d137ba194073dc062edf73e79c18b7fe8;hp=3ce7f06b535c49d8b15968ab0980bb98bffe5959;hpb=4c9bf6c9a1f2fb3531cec2917576f3d2364b4bf3;p=chaz%2Fopenbox

diff --git a/otk_c/display.c b/otk_c/display.c
index 3ce7f06b..c0cae13c 100644
--- a/otk_c/display.c
+++ b/otk_c/display.c
@@ -148,6 +148,7 @@ void OtkDisplay_Ungrab(OtkDisplay *self)
 
 OtkScreenInfo *OtkDisplay_ScreenInfo(OtkDisplay *self, int num)
 {
+  assert(num >= 0);
   return (OtkScreenInfo*)PyList_GetItem((PyObject*)self->screenInfoList, num);
 }