hfscommon/Misc/FileExtentMapping.c

228 	struct BTreeIterator *btIterator = NULL;
238 	MALLOC (btIterator, struct BTreeIterator*, sizeof(struct BTreeIterator), M_TEMP, M_WAITOK);
239 	if (btIterator == NULL) {
242 	bzero(btIterator, sizeof(*btIterator));
248 		extentKeyPtr = (HFSExtentKey*) &btIterator->key;
258 		err = BTSearchRecord(fcb, btIterator, &btRecord, &btRecordSize, btIterator);
261 			err = BTIterateRecord(fcb, kBTreePrevRecord, btIterator, &btRecord, &btRecordSize);
305 		extentKeyPtr = (HFSPlusExtentKey*) &btIterator->key;
316 		err = BTSearchRecord(fcb, btIterator, &btRecord, &btRecordSize, btIterator);
319 			err = BTIterateRecord(fcb, kBTreePrevRecord, btIterator, &btRecord, &btRecordSize);
343 		*foundHint = btIterator->hint.nodeNum;
345 	FREE(btIterator, M_TEMP);
357 	struct BTreeIterator *btIterator = NULL;
366 	MALLOC (btIterator, struct BTreeIterator*, sizeof(struct BTreeIterator), M_TEMP, M_WAITOK);
367 	if (btIterator == NULL) {
370 	bzero(btIterator, sizeof(*btIterator));
390 		keyPtr = (HFSExtentKey*) &btIterator->key;
404 		BlockMoveData(key, &btIterator->key, sizeof(HFSPlusExtentKey));
408 		err = BTInsertRecord(GetFileControlBlock(vcb->extentsRefNum), btIterator, &btRecord, btRecordSize);
411 		*hint = btIterator->hint.nodeNum;
417 	FREE (btIterator, M_TEMP);
428 	struct BTreeIterator *btIterator = NULL;
433 	MALLOC (btIterator, struct BTreeIterator*, sizeof(struct BTreeIterator), M_TEMP, M_WAITOK);
434 	if (btIterator == NULL) {
437 	bzero(btIterator, sizeof(*btIterator));
442 		keyPtr = (HFSExtentKey*) &btIterator->key;
451 		keyPtr = (HFSPlusExtentKey*) &btIterator->key;
459 	err = BTDeleteRecord(GetFileControlBlock(vcb->extentsRefNum), btIterator);
463 	FREE(btIterator, M_TEMP);
1912 		struct BTreeIterator *btIterator = NULL;
1923 		MALLOC (btIterator, struct BTreeIterator*, sizeof(struct BTreeIterator), M_TEMP, M_WAITOK);
1924 		if (btIterator == NULL) {
1927 		bzero(btIterator, sizeof(*btIterator));
1942 			key = (HFSExtentKey*) &btIterator->key;
1948 			btIterator->hint.index = 0;
1949 			btIterator->hint.nodeNum = extentBTreeHint;
1955 			err = BTSearchRecord(btFCB, btIterator, &btRecord, &btRecordSize, btIterator);
1961 				err = BTReplaceRecord(btFCB, btIterator, &btRecord, btRecordSize);
1967 			BlockMoveData(extentFileKey, &btIterator->key, sizeof(HFSPlusExtentKey));
1969 			btIterator->hint.index = 0;
1970 			btIterator->hint.nodeNum = extentBTreeHint;
1976 			err = BTSearchRecord(btFCB, btIterator, &btRecord, &btRecordSize, btIterator);
1980 				err = BTReplaceRecord(btFCB, btIterator, &btRecord, btRecordSize);
1986 		FREE(btIterator, M_TEMP);