X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/b4c24cb9d3df001f2892dc4ed451bc769ff28a9f..55e303ae13a4cf49d70f2294092726f2fffb9ef2:/bsd/hfs/hfscommon/headers/BTreesInternal.h diff --git a/bsd/hfs/hfscommon/headers/BTreesInternal.h b/bsd/hfs/hfscommon/headers/BTreesInternal.h index 4ae9e7ad3..00c9bfabe 100644 --- a/bsd/hfs/hfscommon/headers/BTreesInternal.h +++ b/bsd/hfs/hfscommon/headers/BTreesInternal.h @@ -1,21 +1,24 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2003 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) 1999-2003 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 + * 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. 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 OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * 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_HEADER_END@ */ @@ -217,6 +220,8 @@ enum BTreeTypes{ kReservedBTreeType = 255 // }; +#define kBTreeHeaderUserBytes 128 + typedef BTreeKey *BTreeKeyPtr; @@ -233,7 +238,8 @@ struct BTreeInfoRec{ ItemCount numRecords; ItemCount numNodes; ItemCount numFreeNodes; - UInt32 reserved; + UInt8 keyCompareType; + UInt8 reserved[3]; }; typedef struct BTreeInfoRec BTreeInfoRec; typedef BTreeInfoRec *BTreeInfoPtr; @@ -279,12 +285,8 @@ typedef BTreeIterator *BTreeIteratorPtr; typedef SInt32 (* IterateCallBackProcPtr)(BTreeKeyPtr key, void * record, UInt16 recordLen, 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 ); @@ -339,10 +341,20 @@ 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__