hfscommon/Misc/FileExtentMapping.c

229 	FSBufferDescriptor	btRecord;
254 		btRecord.bufferAddress = &extentData;
255 		btRecord.itemSize = sizeof(HFSExtentRecord);
256 		btRecord.itemCount = 1;
258 		err = BTSearchRecord(fcb, btIterator, &btRecord, &btRecordSize, btIterator);
261 			err = BTIterateRecord(fcb, kBTreePrevRecord, btIterator, &btRecord, &btRecordSize);
312 		btRecord.bufferAddress = &extentData;
313 		btRecord.itemSize = sizeof(HFSPlusExtentRecord);
314 		btRecord.itemCount = 1;
316 		err = BTSearchRecord(fcb, btIterator, &btRecord, &btRecordSize, btIterator);
319 			err = BTIterateRecord(fcb, kBTreePrevRecord, btIterator, &btRecord, &btRecordSize);
358 	FSBufferDescriptor	btRecord;
386 		btRecord.bufferAddress = &data;
387 		btRecord.itemSize = btRecordSize;
388 		btRecord.itemCount = 1;
400 		btRecord.bufferAddress = extents;
401 		btRecord.itemSize = btRecordSize;
402 		btRecord.itemCount = 1;
408 		err = BTInsertRecord(GetFileControlBlock(vcb->extentsRefNum), btIterator, &btRecord, btRecordSize);
1913 		FSBufferDescriptor btRecord;
1951 			btRecord.bufferAddress = &foundData;
1952 			btRecord.itemSize = sizeof(HFSExtentRecord);
1953 			btRecord.itemCount = 1;
1955 			err = BTSearchRecord(btFCB, btIterator, &btRecord, &btRecordSize, btIterator);
1961 				err = BTReplaceRecord(btFCB, btIterator, &btRecord, btRecordSize);
1972 			btRecord.bufferAddress = &foundData;
1973 			btRecord.itemSize = sizeof(HFSPlusExtentRecord);
1974 			btRecord.itemCount = 1;
1976 			err = BTSearchRecord(btFCB, btIterator, &btRecord, &btRecordSize, btIterator);
1980 				err = BTReplaceRecord(btFCB, btIterator, &btRecord, btRecordSize);