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/macosx-10.5.8/xnu-1228.15.4/iokit/Kernel/
H A DIOSharedDataQueue.cpp124 UInt32 headOffset = dataQueue->head; local
127 head = (IODataQueueEntry *)((char *)dataQueue->queue + headOffset);
134 if ((headOffset + DATA_QUEUE_ENTRY_HEADER_SIZE > queueSize) ||
135 ((headOffset + headSize + DATA_QUEUE_ENTRY_HEADER_SIZE) > queueSize))
158 UInt32 headOffset = dataQueue->head; local
161 head = (IODataQueueEntry *)((char *)dataQueue->queue + headOffset);
166 if ((headOffset + DATA_QUEUE_ENTRY_HEADER_SIZE > queueSize) ||
168 ((headOffset + headSize + DATA_QUEUE_ENTRY_HEADER_SIZE) > queueSize)) {
176 newHeadOffset = headOffset + entrySize + DATA_QUEUE_ENTRY_HEADER_SIZE;

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