gistfile1.txt

const Status BufMgr::allocBuf(unsigned int & frame) 
{ 
	if (numUnpinnedPages() == 0)
		return BUFFEREXCEEDED;

	while ( 1 ) {
		advanceClock(); // advance clock hand
	
		if ( bufTable[clockHand].valid == true ) {
			if ( bufTable[clockHand].loved == true ) {
				bufTable[clockHand].loved = false;
				continue;
			}
			else if ( bufTable[clockHand].pinCnt > 0 ) {
				continue;
			}
			else if ( bufTable[clockHand].dirty == true) {
				flushFile( bufTable[clockHand].file );
			}
		}
	
		bufTable[clockHand].Clear ();
		frame = clockHand;
		return OK; // all good
	}
}

This looks all wrong.