hfscommon/Catalog/FileIDsServices.c

48 static OSErr  DeleteExtents( ExtendedVCB *vcb, u_int32_t fileNumber, int quitEarly, u_int8_t forkType, Boolean isHFSPlus );
49 static OSErr  MoveExtents( ExtendedVCB *vcb, u_int32_t srcFileID, u_int32_t destFileID, int quitEarly, u_int8_t forkType, Boolean isHFSPlus );
59 OSErr MoveData( ExtendedVCB *vcb, HFSCatalogNodeID srcID, HFSCatalogNodeID destID, int rsrc) {
70 		err = MoveExtents( vcb, srcID, destID, 1, (u_int8_t)0xff, 1);
80 			err = DeleteExtents( vcb, destID, 1, (u_int8_t)0xff, 1);
87 		err = MoveExtents( vcb, srcID, destID, 1, 0, 1);
92 			err = DeleteExtents( vcb, destID, 1, 0, 1);
100 	err = FlushCatalog( vcb );
101 	err = FlushExtentFile( vcb );
107 OSErr ExchangeFileIDs( ExtendedVCB *vcb, ConstUTF8Param srcName, ConstUTF8Param destName, HFSCatalogNodeID srcID, HFSCatalogNodeID destID, u_int32_t srcHint, u_int32_t destHint )
117 	Boolean		isHFSPlus = ( vcb->vcbSigWord == kHFSPlusSigWord );
119 	err = BuildCatalogKeyUTF8(vcb, srcID, srcName, kUndefinedStrLen, &srcKey, NULL);
122 	err = BuildCatalogKeyUTF8(vcb, destID, destName, kUndefinedStrLen, &destKey, NULL);
130 		err = LocateCatalogNodeByKey( vcb, srcHint, &srcKey, &srcData, &srcHint );
143 		err = LocateCatalogNodeByKey( vcb, destHint, &destKey, &destData, &destHint );
156 		err = DeleteExtents( vcb, kHFSBogusExtentFileID, 0, 0, isHFSPlus );
162 			err = MoveExtents( vcb, srcData.hfsPlusFile.fileID, kHFSBogusExtentFileID, 0,0, isHFSPlus );
172 			err = MoveExtents( vcb, destData.hfsPlusFile.fileID, srcData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
178 ExUndo2aPlus:	err = DeleteExtents( vcb, srcData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
181                 err = MoveExtents( vcb, kHFSBogusExtentFileID, srcData.hfsPlusFile.fileID, 0, 0, isHFSPlus );	//	Move the extents back
188             err = MoveExtents( vcb, kHFSBogusExtentFileID, destData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
194 				err = DeleteExtents( vcb, destData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
197 				err = MoveExtents( vcb, srcData.hfsPlusFile.fileID, destData.hfsPlusFile.fileID, 0, 0, isHFSPlus );	//	Move the extents back
206 			err = MoveExtents( vcb, srcData.hfsPlusFile.fileID, destData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
212 				err = DeleteExtents( vcb, srcData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
220 			err = MoveExtents( vcb, destData.hfsPlusFile.fileID, srcData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
226 				err = DeleteExtents( vcb, destData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
236 		err = LocateCatalogNodeByKey( vcb, srcHint, &srcKey, &srcData, &srcHint );
243 		err = ReplaceBTreeRecord( vcb->catalogRefNum, &srcKey, srcHint, &srcData, sizeof(HFSPlusCatalogFile), &srcHint );
247 		err = LocateCatalogNodeByKey( vcb, destHint, &destKey, &destData, &destHint );
252 		err = ReplaceBTreeRecord( vcb->catalogRefNum, &destKey, destHint, &destData, sizeof(HFSPlusCatalogFile), &destHint );
260 		err = LocateCatalogNodeByKey( vcb, srcHint, &srcKey, &srcData, &srcHint );
267 		numSrcExtentBlocks = CheckExtents( srcData.hfsFile.dataExtents, srcData.hfsFile.dataPhysicalSize / vcb->blockSize, isHFSPlus );
269 			numSrcExtentBlocks = CheckExtents( srcData.hfsFile.rsrcExtents, srcData.hfsFile.rsrcPhysicalSize / vcb->blockSize, isHFSPlus );
276 		err = LocateCatalogNodeByKey( vcb, destHint, &destKey, &destData, &destHint );
282 		numDestExtentBlocks = CheckExtents( destData.hfsFile.dataExtents, destData.hfsFile.dataPhysicalSize / vcb->blockSize, isHFSPlus );
284 			numDestExtentBlocks = CheckExtents( destData.hfsFile.rsrcExtents, destData.hfsFile.rsrcPhysicalSize / vcb->blockSize, isHFSPlus );
292         err = DeleteExtents( vcb, kHFSBogusExtentFileID, 0, 0, isHFSPlus );
298         err = MoveExtents( vcb, srcData.hfsFile.fileID, kHFSBogusExtentFileID, 0, 0, isHFSPlus );
304 ExUndo1a:		err = DeleteExtents( vcb, kHFSBogusExtentFileID, 0, 0, isHFSPlus );
307 				err = FlushCatalog( vcb );   			//	flush the catalog
308 				err = FlushExtentFile( vcb );			//	flush the extent file (unneeded for common case, but it's cheap)
313 			err = MoveExtents( vcb, destData.hfsFile.fileID, srcData.hfsFile.fileID, 0, 0, isHFSPlus );
319 ExUndo2a:		err = DeleteExtents( vcb, srcData.hfsFile.fileID, 0, 0, isHFSPlus );
322                 err = MoveExtents( vcb, kHFSBogusExtentFileID, srcData.hfsFile.fileID, 0, 0, isHFSPlus );	//	Move the extents back
329             err = MoveExtents( vcb, kHFSBogusExtentFileID, destData.hfsFile.fileID, 0, 0, isHFSPlus );
335 				err = DeleteExtents( vcb, destData.hfsFile.fileID, 0, 0, isHFSPlus );
338 				err = MoveExtents( vcb, srcData.hfsFile.fileID, destData.hfsFile.fileID, 0, 0, isHFSPlus );	//	Move the extents back
347 			err = MoveExtents( vcb, srcData.hfsFile.fileID, destData.hfsFile.fileID, 0, 0, isHFSPlus );
353 				err = DeleteExtents( vcb, srcData.hfsFile.fileID, 0, 0, isHFSPlus );
361 			err = MoveExtents( vcb, destData.hfsFile.fileID, srcData.hfsFile.fileID, 0, 0, isHFSPlus );
367 				err = DeleteExtents( vcb, destData.hfsFile.fileID, 0, 0, isHFSPlus );
377 		err = LocateCatalogNodeByKey( vcb, srcHint, &srcKey, &srcData, &srcHint );
385 		err = ReplaceBTreeRecord( vcb->catalogRefNum, &srcKey, srcHint, &srcData, sizeof(HFSCatalogFile), &srcHint );
390 		err = LocateCatalogNodeByKey( vcb, destHint, &destKey, &destData, &destHint );
395 		err = ReplaceBTreeRecord( vcb->catalogRefNum, &destKey, destHint, &destData, sizeof(HFSCatalogFile), &destHint );
405 	err = FlushCatalog( vcb );   			//	flush the catalog
406 	err = FlushExtentFile( vcb );			//	flush the extent file (unneeded for common case, but it's cheap)
430 static OSErr  MoveExtents( ExtendedVCB *vcb, u_int32_t srcFileID, u_int32_t destFileID, int quitEarly, u_int8_t forkType, Boolean isHFSPlus )
460 	fcb = GetFileControlBlock(vcb->extentsRefNum);
607 			err = DeleteExtents( vcb, srcFileID, forkType, quitEarly, isHFSPlus );	//	Now delete all the extent entries with the sourceID
629 static OSErr  DeleteExtents( ExtendedVCB *vcb, u_int32_t fileID, int quitEarly,  u_int8_t forkType, Boolean isHFSPlus )
655 	fcb = GetFileControlBlock(vcb->extentsRefNum);