173 	UInt32            headOffset;  in peek()  local
182 	headOffset = __c11_atomic_load((_Atomic UInt32 *)&dataQueue->head, __ATOMIC_RELAXED);  in peek()
185 	if (headOffset != tailOffset) {  in peek()
188 		UInt32              headOffset   = dataQueue->head;  in peek()  local
191 		if (headOffset > queueSize) {  in peek()
195 		head         = (IODataQueueEntry *)((char *)dataQueue->queue + headOffset);  in peek()
202 		if ((headOffset > UINT32_MAX - DATA_QUEUE_ENTRY_HEADER_SIZE) ||  in peek()
203 		    (headOffset + DATA_QUEUE_ENTRY_HEADER_SIZE > queueSize) ||  in peek()
204 		    (headOffset + DATA_QUEUE_ENTRY_HEADER_SIZE > UINT32_MAX - headSize) ||  in peek()
205 		    (headOffset + headSize + DATA_QUEUE_ENTRY_HEADER_SIZE > queueSize)) {  in peek()
319 	UInt32              headOffset      = 0;  in dequeue()  local
329 	headOffset = __c11_atomic_load((_Atomic UInt32 *)&dataQueue->head, __ATOMIC_RELAXED);  in dequeue()
332 	if (headOffset != tailOffset) {  in dequeue()
337 		if (headOffset > queueSize) {  in dequeue()
341 		head         = (IODataQueueEntry *)((char *)dataQueue->queue + headOffset);  in dequeue()
346 		if ((headOffset > UINT32_MAX - DATA_QUEUE_ENTRY_HEADER_SIZE) ||  in dequeue()
347 		    (headOffset + DATA_QUEUE_ENTRY_HEADER_SIZE > queueSize) ||  in dequeue()
349 		    (headOffset + DATA_QUEUE_ENTRY_HEADER_SIZE > UINT32_MAX - headSize) ||  in dequeue()
350 		    (headOffset + headSize + DATA_QUEUE_ENTRY_HEADER_SIZE > queueSize)) {  in dequeue()
365 			    (entrySize + DATA_QUEUE_ENTRY_HEADER_SIZE > UINT32_MAX - headOffset) ||  in dequeue()
366 			    (entrySize + DATA_QUEUE_ENTRY_HEADER_SIZE + headOffset > queueSize)) {  in dequeue()
369 			newHeadOffset   = headOffset + entrySize + DATA_QUEUE_ENTRY_HEADER_SIZE;  in dequeue()