hfscommon/Misc/FileExtentMapping.c

47 					Compare two extents file keys (a search key and a trial
48 					key).  Used by the BTree manager when searching for,
53 					Compare two extents file keys (a search key and a trial
54 					key).  Used by the BTree manager when searching for,
133 	HFSPlusExtentKey		*key,
212 //		foundKey	The key data for the record actually found
248 		extentKeyPtr = (HFSExtentKey*) &btIterator->key;
278 			// Copy the found key back for the caller
305 		extentKeyPtr = (HFSPlusExtentKey*) &btIterator->key;
334 			// Copy the found key back for the caller
353 	HFSPlusExtentKey	*key,
390 		keyPtr = (HFSExtentKey*) &btIterator->key;
392 		keyPtr->forkType	= key->forkType;
393 		keyPtr->fileID		= key->fileID;
394 		keyPtr->startBlock	= key->startBlock;
404 		BlockMoveData(key, &btIterator->key, sizeof(HFSPlusExtentKey));
442 		keyPtr = (HFSExtentKey*) &btIterator->key;
451 		keyPtr = (HFSPlusExtentKey*) &btIterator->key;
642 	HFSPlusExtentKey	key;
656 		err = FindExtentRecord(vcb, forkType, fileID, startBlock, false, &key, extents, &hint);
741 //	Function: 	Compares two extent file keys (a search key and a trial key) for
805 //	Function: 	Compares two extent file keys (a search key and a trial key) for
1353 	HFSPlusExtentKey	key;			//	key for current extent record; key->keyLength == 0 if FCB's extent record
1354 	u_int32_t			hint;			//	BTree hint corresponding to key
1447 	err = SearchExtentFile(vcb, fcb, peof-1, &key, extentRecord, &extentIndex, &hint, &extentNextBlock);
1504 		err = UpdateExtentRecord(vcb, fcb, deleted, &key, extentRecord, hint);
1776 // Output:		foundExtentKey  		-  extent key record (xkr)
1830 	//	to fill in the hint and key outputs, just like the "if" statement above.
1881 //	Function: 	Write new extent data to an existing extent record with a given key.
1888 //				extentFileKey  			-	pointer to extent key record (xkr)
1889 //						If the key length is 0, then the extents are actually part
1892 //				extentBTreeHint			-	hint for given key, or kNoHint
1939 			HFSExtentKey *	key;				// Actual extent key used on disk in HFS
1942 			key = (HFSExtentKey*) &btIterator->key;
1943 			key->keyLength	= kHFSExtentKeyMaximumLength;
1944 			key->forkType	= extentFileKey->forkType;
1945 			key->fileID		= extentFileKey->fileID;
1946 			key->startBlock	= extentFileKey->startBlock;
1967 			BlockMoveData(extentFileKey, &btIterator->key, sizeof(HFSPlusExtentKey));
2092 	HFSPlusExtentKey	key;
2120 		result = FindExtentRecord(vcb, kDataForkType, fcb->ff_cp->c_fileid, startBlock, FALSE, &key, extents, &hint);