X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/de355530ae67247cbd0da700edb3a2a1dae884c2..8ad349bb6ed4a0be06e34c92be0d98b92e078db4:/bsd/hfs/hfscommon/headers/BTreesInternal.h

diff --git a/bsd/hfs/hfscommon/headers/BTreesInternal.h b/bsd/hfs/hfscommon/headers/BTreesInternal.h
index 4ae9e7ad3..866fcda47 100644
--- a/bsd/hfs/hfscommon/headers/BTreesInternal.h
+++ b/bsd/hfs/hfscommon/headers/BTreesInternal.h
@@ -1,23 +1,31 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * This file contains Original Code and/or Modifications of Original Code 
+ * as defined in and that are subject to the Apple Public Source License 
+ * Version 2.0 (the 'License'). You may not use this file except in 
+ * compliance with the License.  The rights granted to you under the 
+ * License may not be used to create, or enable the creation or 
+ * redistribution of, unlawful or unlicensed copies of an Apple operating 
+ * system, or to circumvent, violate, or enable the circumvention or 
+ * violation of, any terms of an Apple operating system software license 
+ * agreement.
+ *
+ * Please obtain a copy of the License at 
+ * http://www.opensource.apple.com/apsl/ and read it before using this 
+ * file.
+ *
+ * The Original Code and all software distributed under the License are 
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
+ * Please see the License for the specific language governing rights and 
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  */
 /*
 	File:		BTreesInternal.h
@@ -113,6 +121,7 @@ enum {
 struct BlockDescriptor{
 	void		*buffer;
 	void		*blockHeader;
+	daddr64_t	 blockNum;	/* logical block number (used by hfs_swap_BTNode) */
 	ByteCount	 blockSize;
 	Boolean		 blockReadFromDisk;
 	Byte         isModified;             // XXXdbg - for journaling
@@ -217,6 +226,8 @@ enum BTreeTypes{
 	kReservedBTreeType		= 255		//
 };
 
+#define	kBTreeHeaderUserBytes	128
+
 
 typedef BTreeKey *BTreeKeyPtr;
 
@@ -233,7 +244,8 @@ struct BTreeInfoRec{
 	ItemCount			numRecords;
 	ItemCount			numNodes;
 	ItemCount			numFreeNodes;
-	UInt32				reserved;
+	UInt8				keyCompareType;
+	UInt8				reserved[3];
 };
 typedef struct BTreeInfoRec BTreeInfoRec;
 typedef BTreeInfoRec *BTreeInfoPtr;
@@ -277,14 +289,10 @@ 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 );
 
@@ -324,7 +332,7 @@ extern OSStatus	BTDeleteRecord		(FCB		 				*filePtr,
 									 BTreeIterator				*iterator );
 
 extern OSStatus	BTGetInformation	(FCB		 				*filePtr,
-									 UInt16						 version,
+									 UInt16						 vers,
 									 BTreeInfoRec				*info );
 
 extern OSStatus	BTFlushPath			(FCB		 				*filePtr );
@@ -339,10 +347,20 @@ extern OSStatus	BTGetLastSync		(FCB		 				*filePtr,
 extern OSStatus	BTSetLastSync		(FCB		 				*filePtr,
 									 UInt32						lastfsync );
 
-extern OSStatus	BTCheckFreeSpace	(FCB		 				*filePtr);
-
 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__