/*
- * 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
* 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
#include "../../hfs_cnode.h"
-#if PRAGMA_ONCE
-#pragma once
-#endif
-
#ifdef __cplusplus
extern "C" {
#endif
-#if PRAGMA_IMPORT
-#pragma import on
-#endif
-
-#if PRAGMA_STRUCT_ALIGN
- #pragma options align=mac68k
-#elif PRAGMA_STRUCT_PACKPUSH
- #pragma pack(push, 2)
-#elif PRAGMA_STRUCT_PACK
- #pragma pack(2)
-#endif
-
/* CatalogNodeID is used to track catalog objects */
-typedef UInt32 HFSCatalogNodeID;
+typedef u_int32_t HFSCatalogNodeID;
/* internal error codes*/
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
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 {
#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)
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,
- void * foundKey,
- void * data,
- UInt16 * dataSize,
- UInt32 * 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 ( void )
+invalidate_free_extent_cache (ExtendedVCB * vcb);
-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( UInt32 )
-UTCToLocal (UInt32 utcTime);
+EXTERN_API_C( u_int32_t )
+LocalToUTC (u_int32_t localTime);
+EXTERN_API_C( u_int32_t )
+UTCToLocal (u_int32_t utcTime);
-#if PRAGMA_STRUCT_ALIGN
- #pragma options align=reset
-#elif PRAGMA_STRUCT_PACKPUSH
- #pragma pack(pop)
-#elif PRAGMA_STRUCT_PACK
- #pragma pack()
-#endif
-
-#ifdef PRAGMA_IMPORT_OFF
-#pragma import off
-#elif PRAGMA_IMPORT
-#pragma import reset
-#endif
#ifdef __cplusplus
}
projects / apple / xnu.git / blobdiff