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[Core] Guard against hashmap item null dereference (#338)

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Igor Karatayev 2025-03-25 23:19:50 +03:00 committed by GitHub
parent 47d1d84bc8
commit aee4baee1c
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1 changed files with 3 additions and 3 deletions
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clay.h
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@ -3810,10 +3810,10 @@ void Clay_SetPointerState(Clay_Vector2 position, bool isPointerDown) {
Clay_LayoutElementHashMapItem *mapItem = Clay__GetHashMapItem(currentElement->id); // TODO think of a way around this, maybe the fact that it's essentially a binary tree limits the cost, but the worst case is not great Clay_LayoutElementHashMapItem *mapItem = Clay__GetHashMapItem(currentElement->id); // TODO think of a way around this, maybe the fact that it's essentially a binary tree limits the cost, but the worst case is not great
int32_t clipElementId = Clay__int32_tArray_GetValue(&context->layoutElementClipElementIds, (int32_t)(currentElement - context->layoutElements.internalArray)); int32_t clipElementId = Clay__int32_tArray_GetValue(&context->layoutElementClipElementIds, (int32_t)(currentElement - context->layoutElements.internalArray));
Clay_LayoutElementHashMapItem *clipItem = Clay__GetHashMapItem(clipElementId); Clay_LayoutElementHashMapItem *clipItem = Clay__GetHashMapItem(clipElementId);
Clay_BoundingBox elementBox = mapItem->boundingBox;
elementBox.x -= root->pointerOffset.x;
elementBox.y -= root->pointerOffset.y;
if (mapItem) { if (mapItem) {
Clay_BoundingBox elementBox = mapItem->boundingBox;
elementBox.x -= root->pointerOffset.x;
elementBox.y -= root->pointerOffset.y;
if ((Clay__PointIsInsideRect(position, elementBox)) && (clipElementId == 0 || (Clay__PointIsInsideRect(position, clipItem->boundingBox)))) { if ((Clay__PointIsInsideRect(position, elementBox)) && (clipElementId == 0 || (Clay__PointIsInsideRect(position, clipItem->boundingBox)))) {
if (mapItem->onHoverFunction) { if (mapItem->onHoverFunction) {
mapItem->onHoverFunction(mapItem->elementId, context->pointerInfo, mapItem->hoverFunctionUserData); mapItem->onHoverFunction(mapItem->elementId, context->pointerInfo, mapItem->hoverFunctionUserData);