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Merge pull request #10091 from tupaschoal/nullprt-deref-avoid-get_first_at

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Avoid dereferencing invalid map_get_first_element_at return
This commit is contained in:
Duncan
2019-10-19 13:55:54 +02:00
committed by GitHub
parent ce1f38da25 35577f5b19
commit 9ad15e398b
10 changed files with 42 additions and 7 deletions
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2
src/openrct2-ui/interface/ViewportInteraction.cpp
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@@ -528,6 +528,8 @@ static void viewport_interaction_remove_footpath(TileElement* tileElement, int32
footpath_provisional_update();
tileElement2 = map_get_first_element_at(x / 32, y / 32);
if (tileElement2 == nullptr)
return;
do
{
if (tileElement2->GetType() == TILE_ELEMENT_TYPE_PATH && tileElement2->base_height == z)