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Avoid accessing an invalid vector element.

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calc_rects() can result in update_rects being empty.
This commit is contained in:
Mark de Wever 2009-12-12 12:36:01 +00:00
parent b41db4ca8c
commit 559e25808a
1 changed files with 3 additions and 1 deletions
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4
src/video.cpp
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@ -406,7 +406,9 @@ void CVideo::flip()
::SDL_Flip(frameBuffer);
} else if(update_rects.empty() == false) {
calc_rects();
SDL_UpdateRects(frameBuffer, update_rects.size(), &update_rects[0]);
if(!update_rects.empty()) {
SDL_UpdateRects(frameBuffer, update_rects.size(), &update_rects[0]);
}
}
clear_updates();