X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d7e50217d7adf6e52786a38bcaa4cd698cb9a79e..935ed37a5c468c8a1c07408573c08b8b7ef80e8b:/bsd/hfs/hfscommon/headers/FileMgrInternal.h diff --git a/bsd/hfs/hfscommon/headers/FileMgrInternal.h b/bsd/hfs/hfscommon/headers/FileMgrInternal.h index 2ed9ad24f..7bb16bc5a 100644 --- a/bsd/hfs/hfscommon/headers/FileMgrInternal.h +++ b/bsd/hfs/hfscommon/headers/FileMgrInternal.h @@ -1,16 +1,19 @@ /* - * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ - * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * 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. + * 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 @@ -20,7 +23,7 @@ * Please see the License for the specific language governing rights and * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* File: FilesInternal.h @@ -70,7 +73,7 @@ extern "C" { #endif /* CatalogNodeID is used to track catalog objects */ -typedef UInt32 HFSCatalogNodeID; +typedef u_int32_t HFSCatalogNodeID; /* internal error codes*/ @@ -118,6 +121,7 @@ enum { kEFReserveMask = 0x04, /* keep block reserve */ kEFDeferMask = 0x08, /* defer file block allocations */ kEFNoClumpMask = 0x10, /* don't round up to clump size */ + kEFMetadataMask = 0x20, /* metadata allocation */ kTFTrunExtBit = 0, /* truncate to the extent containing new PEOF*/ kTFTrunExtMask = 1 @@ -153,25 +157,6 @@ union ExtentRecord { HFSPlusExtentRecord hfsPlus; }; typedef union ExtentRecord ExtentRecord; -/* Universal catalog key */ - -union CatalogKey { - HFSCatalogKey hfs; - HFSPlusCatalogKey hfsPlus; -}; -typedef union CatalogKey CatalogKey; -/* Universal catalog data record */ - -union CatalogRecord { - SInt16 recordType; - HFSCatalogFolder hfsFolder; - HFSCatalogFile hfsFile; - HFSCatalogThread hfsThread; - HFSPlusCatalogFolder hfsPlusFolder; - HFSPlusCatalogFile hfsPlusFile; - HFSPlusCatalogThread hfsPlusThread; -}; -typedef union CatalogRecord CatalogRecord; enum { @@ -195,43 +180,17 @@ typedef union CatalogName CatalogName; #define GetFileControlBlock(fref) VTOF((fref)) #define GetFileRefNumFromFCB(fcb) FTOV((fcb)) - -/* The following macro marks a VCB as dirty by setting the upper 8 bits of the flags*/ -EXTERN_API_C( void ) -MarkVCBDirty (ExtendedVCB *vcb); - -EXTERN_API_C( void ) -MarkVCBClean (ExtendedVCB *vcb); - -EXTERN_API_C( Boolean ) -IsVCBDirty (ExtendedVCB *vcb); - - -#define VCB_LOCK_INIT(vcb) simple_lock_init(&vcb->vcbSimpleLock) -#define VCB_LOCK(vcb) simple_lock(&vcb->vcbSimpleLock) -#define VCB_UNLOCK(vcb) simple_unlock(&vcb->vcbSimpleLock) - -#define MarkVCBDirty(vcb) { ((vcb)->vcbFlags |= 0xFF00); } -#define MarkVCBClean(vcb) { ((vcb)->vcbFlags &= 0x00FF); } -#define IsVCBDirty(vcb) ((Boolean) ((vcb->vcbFlags & 0xFF00) != 0)) - - /* Test for error and return if error occurred*/ EXTERN_API_C( void ) ReturnIfError (OSErr result); -#define ReturnIfError(result) if ( (result) != noErr ) return (result); else ; -/* Test for passed condition and return if true*/ -EXTERN_API_C( void ) -ReturnErrorIf (Boolean condition, - OSErr result); +#define ReturnIfError(result) do { if ( (result) != noErr ) return (result); } while(0) -#define ReturnErrorIf(condition, error) if ( (condition) ) return( (error) ); /* Exit function on error*/ EXTERN_API_C( void ) ExitOnError (OSErr result); -#define ExitOnError( result ) if ( ( result ) != noErr ) goto ErrorExit; else ; +#define ExitOnError( result ) do { if ( ( result ) != noErr ) goto ErrorExit; } while(0) @@ -243,123 +202,115 @@ ExchangeFileIDs (ExtendedVCB * volume, ConstUTF8Param destName, HFSCatalogNodeID srcID, HFSCatalogNodeID destID, - UInt32 srcHint, - UInt32 destHint ); - -EXTERN_API_C( SInt32 ) -CompareCatalogKeys (HFSCatalogKey * searchKey, - HFSCatalogKey * trialKey); - -EXTERN_API_C( SInt32 ) -CompareExtendedCatalogKeys (HFSPlusCatalogKey * searchKey, - HFSPlusCatalogKey * trialKey); - -EXTERN_API_C( OSErr ) -InitCatalogCache (void); - -EXTERN_API_C( void ) -InvalidateCatalogCache (ExtendedVCB * volume); - + u_int32_t srcHint, + u_int32_t destHint ); /* BTree Manager Routines*/ -typedef CALLBACK_API_C( SInt32 , KeyCompareProcPtr )(void *a, void *b); +typedef CALLBACK_API_C( int32_t , KeyCompareProcPtr )(void *a, void *b); EXTERN_API_C( OSErr ) SearchBTreeRecord (FileReference refNum, const void * key, - UInt32 hint, + u_int32_t hint, void * foundKey, void * data, - UInt16 * dataSize, - UInt32 * newHint); + u_int16_t * dataSize, + u_int32_t * newHint); EXTERN_API_C( OSErr ) ReplaceBTreeRecord (FileReference refNum, const void * key, - UInt32 hint, + u_int32_t hint, void * newData, - UInt16 dataSize, - UInt32 * newHint); + u_int16_t dataSize, + u_int32_t * newHint); /* Prototypes for exported routines in VolumeAllocation.c*/ EXTERN_API_C( OSErr ) BlockAllocate (ExtendedVCB * vcb, - UInt32 startingBlock, - SInt64 bytesRequested, - SInt64 bytesMaximum, + u_int32_t startingBlock, + u_int32_t minBlocks, + u_int32_t maxBlocks, Boolean forceContiguous, - UInt32 * startBlock, - UInt32 * actualBlocks); + Boolean useMetaZone, + u_int32_t * startBlock, + u_int32_t * actualBlocks); EXTERN_API_C( OSErr ) BlockDeallocate (ExtendedVCB * vcb, - UInt32 firstBlock, - UInt32 numBlocks); + u_int32_t firstBlock, + u_int32_t numBlocks); -EXTERN_API_C( UInt32 ) -FileBytesToBlocks (SInt64 numerator, - UInt32 denominator); +EXTERN_API_C( OSErr ) +BlockMarkAllocated(ExtendedVCB *vcb, u_int32_t startingBlock, u_int32_t numBlocks); + +EXTERN_API_C( OSErr ) +BlockMarkFree( ExtendedVCB *vcb, u_int32_t startingBlock, u_int32_t numBlocks); + +EXTERN_API_C( u_int32_t ) +MetaZoneFreeBlocks(ExtendedVCB *vcb); /* File Extent Mapping routines*/ EXTERN_API_C( OSErr ) FlushExtentFile (ExtendedVCB * vcb); -EXTERN_API_C( SInt32 ) +EXTERN_API_C( int32_t ) CompareExtentKeys (const HFSExtentKey * searchKey, const HFSExtentKey * trialKey); -EXTERN_API_C( SInt32 ) +EXTERN_API_C( int32_t ) CompareExtentKeysPlus (const HFSPlusExtentKey *searchKey, const HFSPlusExtentKey *trialKey); EXTERN_API_C( OSErr ) TruncateFileC (ExtendedVCB * vcb, FCB * fcb, - SInt64 peof, + int64_t peof, Boolean truncateToExtent); EXTERN_API_C( OSErr ) ExtendFileC (ExtendedVCB * vcb, FCB * fcb, - SInt64 bytesToAdd, - UInt32 blockHint, - UInt32 flags, - SInt64 * actualBytesAdded); + int64_t bytesToAdd, + u_int32_t blockHint, + u_int32_t flags, + int64_t * actualBytesAdded); EXTERN_API_C( OSErr ) MapFileBlockC (ExtendedVCB * vcb, FCB * fcb, size_t numberOfBytes, off_t offset, - daddr_t * startBlock, + daddr64_t * startBlock, size_t * availableBytes); +OSErr HeadTruncateFile(ExtendedVCB *vcb, FCB *fcb, u_int32_t headblks); + +EXTERN_API_C( int ) +AddFileExtent (ExtendedVCB *vcb, FCB *fcb, u_int32_t startBlock, u_int32_t blockCount); + #if TARGET_API_MACOS_X EXTERN_API_C( Boolean ) NodesAreContiguous (ExtendedVCB * vcb, FCB * fcb, - UInt32 nodeSize); + u_int32_t nodeSize); #endif -/* Utility routines*/ - -EXTERN_API_C( OSErr ) -VolumeWritable (ExtendedVCB * vcb); /* Get the current time in UTC (GMT)*/ -EXTERN_API_C( UInt32 ) +EXTERN_API_C( u_int32_t ) GetTimeUTC (void); -EXTERN_API_C( UInt32 ) -LocalToUTC (UInt32 localTime); +EXTERN_API_C( u_int32_t ) +LocalToUTC (u_int32_t localTime); -EXTERN_API_C( UInt32 ) -UTCToLocal (UInt32 utcTime); +EXTERN_API_C( u_int32_t ) +UTCToLocal (u_int32_t utcTime); #if PRAGMA_STRUCT_ALIGN