X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/9bccf70c0258c7cac2dcb80011b2a964d884c552..91447636331957f3d9b5ca5b508f07c526b0074d:/bsd/hfs/hfscommon/headers/BTreesInternal.h

diff --git a/bsd/hfs/hfscommon/headers/BTreesInternal.h b/bsd/hfs/hfscommon/headers/BTreesInternal.h
index a473cfceb..0cce7eb23 100644
--- a/bsd/hfs/hfscommon/headers/BTreesInternal.h
+++ b/bsd/hfs/hfscommon/headers/BTreesInternal.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -115,7 +115,8 @@ struct BlockDescriptor{
 	void		*blockHeader;
 	ByteCount	 blockSize;
 	Boolean		 blockReadFromDisk;
-	Byte		 reserved[3];
+	Byte         isModified;             // XXXdbg - for journaling
+	Byte		 reserved[2];
 };
 typedef struct BlockDescriptor BlockDescriptor;
 typedef BlockDescriptor *BlockDescPtr;
@@ -216,6 +217,8 @@ enum BTreeTypes{
 	kReservedBTreeType		= 255		//
 };
 
+#define	kBTreeHeaderUserBytes	128
+
 
 typedef BTreeKey *BTreeKeyPtr;
 
@@ -232,7 +235,8 @@ struct BTreeInfoRec{
 	ItemCount			numRecords;
 	ItemCount			numNodes;
 	ItemCount			numFreeNodes;
-	UInt32				reserved;
+	UInt8				keyCompareType;
+	UInt8				reserved[3];
 };
 typedef struct BTreeInfoRec BTreeInfoRec;
 typedef BTreeInfoRec *BTreeInfoPtr;
@@ -276,14 +280,10 @@ typedef BTreeIterator *BTreeIteratorPtr;
 //typedef SInt32 				(* KeyCompareProcPtr)(BTreeKeyPtr a, BTreeKeyPtr b);
 
 
-typedef SInt32 (* IterateCallBackProcPtr)(BTreeKeyPtr key, void * record, UInt16 recordLen, void * state);
+typedef SInt32 (* IterateCallBackProcPtr)(BTreeKeyPtr key, void * record, void * state);
+
 
-extern OSStatus	BTOpenPath			(FCB		 				*filePtr,
-									 KeyCompareProcPtr			 keyCompareProc,
-									 GetBlockProcPtr			 getBlockProc,
-									 ReleaseBlockProcPtr		 releaseBlockProc,
-									 SetEndOfForkProcPtr		 setEndOfForkProc,
-									 SetBlockSizeProcPtr		 setBlockSizeProc );
+extern OSStatus	BTOpenPath(FCB *filePtr, KeyCompareProcPtr keyCompareProc);
 
 extern OSStatus	BTClosePath			(FCB		 				*filePtr );
 
@@ -323,7 +323,7 @@ extern OSStatus	BTDeleteRecord		(FCB		 				*filePtr,
 									 BTreeIterator				*iterator );
 
 extern OSStatus	BTGetInformation	(FCB		 				*filePtr,
-									 UInt16						 version,
+									 UInt16						 vers,
 									 BTreeInfoRec				*info );
 
 extern OSStatus	BTFlushPath			(FCB		 				*filePtr );
@@ -338,6 +338,20 @@ extern OSStatus	BTGetLastSync		(FCB		 				*filePtr,
 extern OSStatus	BTSetLastSync		(FCB		 				*filePtr,
 									 UInt32						lastfsync );
 
+extern OSStatus	BTHasContiguousNodes(FCB		 				*filePtr);
+
+extern OSStatus BTGetUserData(FCB *filePtr, void * dataPtr, int dataSize);
+
+extern OSStatus BTSetUserData(FCB *filePtr, void * dataPtr, int dataSize);
+
+/* B-tree node reserve routines. */
+extern void BTReserveSetup(void);
+
+extern int  BTReserveSpace(FCB *file, int operations, void * data);
+
+extern int  BTReleaseReserve(FCB *file, void * data);
+
+
 #endif /* __APPLE_API_PRIVATE */
 #endif /* KERNEL */
 #endif // __BTREESINTERNAL__