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/*
* Copyright (c) 1999, 2005 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
* Reserved. 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 1.0 (the 'License'). You may not use this file
* except in compliance with the License. Please obtain a copy of the
* License at http://www.apple.com/publicsource 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."
*
* @APPLE_LICENSE_HEADER_END@
*/
/* SRuntime.h */
#ifndef __SRUNTIME__
#define __SRUNTIME__
#if BSD
#if LINUX
#include "missing.h"
#else
#include <sys/types.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#include <hfs/hfs_format.h>
#else
#include <MacTypes.h>
#include <MacMemory.h>
#include <HFSVolumes.h>
#include <Errors.h>
#endif
#if BSD
/* Classic Mac OS Types */
typedef int8_t SInt8;
typedef int16_t SInt16;
typedef int32_t SInt32;
typedef int64_t SInt64;
typedef u_int8_t UInt8;
typedef u_int16_t UInt16;
typedef u_int32_t UInt32;
typedef u_int64_t UInt64;
typedef void * LogicalAddress;
typedef char * Ptr;
typedef Ptr * Handle;
typedef u_int8_t Byte;
typedef long Size;
typedef unsigned char Boolean;
typedef unsigned long ItemCount;
typedef unsigned long ByteCount;
typedef unsigned long OptionBits;
typedef short OSErr;
typedef long OSStatus;
typedef u_int32_t OSType;
typedef u_int32_t ResType;
typedef u_int16_t UniChar;
typedef u_int32_t UniCharCount;
typedef UniChar * UniCharArrayPtr;
typedef const UniChar * ConstUniCharArrayPtr;
typedef u_int32_t TextEncoding;
typedef unsigned char * StringPtr;
typedef unsigned char Str27[28];
typedef unsigned char Str31[32];
typedef unsigned char Str63[64];
typedef unsigned char Str255[256];
typedef const unsigned char * ConstStr31Param;
typedef const unsigned char * ConstStr63Param;
typedef const unsigned char * ConstStr255Param;
typedef u_int32_t HFSCatalogNodeID;
#if !LINUX
enum {
false = 0,
true = 1
};
#endif
/* OS error codes */
enum {
noErr = 0,
dskFulErr = -34,
nsvErr = -35,
ioErr = -36,
eofErr = -39,
fnfErr = -43,
fBsyErr = -47,
paramErr = -50,
noMacDskErr = -57,
badMDBErr = -60,
memFullErr = -108,
notBTree = -410,
fileBoundsErr = -1309,
};
/* Finder Flags */
enum {
kIsOnDesk = 0x0001,
kColor = 0x000E,
kIsShared = 0x0040,
kHasBeenInited = 0x0100,
kHasCustomIcon = 0x0400,
kIsStationery = 0x0800,
kNameLocked = 0x1000,
kHasBundle = 0x2000,
kIsInvisible = 0x4000,
kIsAlias = 0x8000
};
#define EXTERN_API(_type) extern _type
#define EXTERN_API_C(_type) extern _type
#define nil NULL
EXTERN_API( void )
DebugStr(ConstStr255Param debuggerMsg);
typedef void * QElemPtr;
typedef void * DrvQElPtr;
#endif
/* vcbFlags bits */
enum {
kVCBFlagsIdleFlushBit = 3, /* Set if volume should be flushed at idle time */
kVCBFlagsIdleFlushMask = 0x0008,
kVCBFlagsHFSPlusAPIsBit = 4, /* Set if volume implements HFS Plus APIs itself (not via emu\
lation) */
kVCBFlagsHFSPlusAPIsMask = 0x0010,
kVCBFlagsHardwareGoneBit = 5, /* Set if disk driver returned a hardwareGoneErr to Read or W\
rite */
kVCBFlagsHardwareGoneMask = 0x0020,
kVCBFlagsVolumeDirtyBit = 15, /* Set if volume information has changed since the last Flush\
Vol */
kVCBFlagsVolumeDirtyMask = 0x8000
};
/* Disk Cache constants */
/*
* UTGetBlock options
*/
enum {
gbDefault = 0, /* default value - read if not found */
/* bits and masks */
gbReadBit = 0, /* read block from disk (forced read) */
gbReadMask = 0x0001,
gbExistBit = 1, /* get existing cache block */
gbExistMask = 0x0002,
gbNoReadBit = 2, /* don't read block from disk if not found in cache */
gbNoReadMask = 0x0004,
gbReleaseBit = 3, /* release block immediately after GetBlock */
gbReleaseMask = 0x0008
};
/*
* UTReleaseBlock options
*/
enum {
rbDefault = 0, /* default value - just mark the buffer not in-use */
/* bits and masks */
rbWriteBit = 0, /* force write buffer to disk */
rbWriteMask = 0x0001,
rbTrashBit = 1, /* trash buffer contents after release */
rbTrashMask = 0x0002,
rbDirtyBit = 2, /* mark buffer dirty */
rbDirtyMask = 0x0004,
rbFreeBit = 3, /* free the buffer (save in the hash) */
rbFreeMask = 0x000A /* rbFreeMask (rbFreeBit + rbTrashBit) works as rbTrash on < System 7.0 RamCache; on >= System 7.0, rbfreeMask overrides rbTrash */
};
/*
* UTFlushCache options
*/
enum {
fcDefault = 0, /* default value - pass this fcOption to just flush any dirty buffers */
/* bits and masks */
fcTrashBit = 0, /* (don't pass this as fcOption, use only for testing bit) */
fcTrashMask = 0x0001, /* pass this fcOption value to flush and trash cache blocks */
fcFreeBit = 1, /* (don't pass this as fcOption, use only for testing bit) */
fcFreeMask = 0x0003 /* pass this fcOption to flush and free cache blocks (Note: both fcTrash and fcFree bits are set) */
};
/*
* UTCacheReadIP and UTCacheWriteIP cacheOption bits and masks are the ioPosMode
* bits and masks in Files.x
*/
/*
* Cache routine internal error codes
*/
enum {
chNoBuf = 1, /* no free cache buffers (all in use) */
chInUse = 2, /* requested block in use */
chnotfound = 3, /* requested block not found */
chNotInUse = 4 /* block being released was not in use */
};
/*
* FCBRec.fcbFlags bits
*/
enum {
fcbWriteBit = 0, /* Data can be written to this file */
fcbWriteMask = 0x01,
fcbResourceBit = 1, /* This file is a resource fork */
fcbResourceMask = 0x02,
fcbWriteLockedBit = 2, /* File has a locked byte range */
fcbWriteLockedMask = 0x04,
fcbSharedWriteBit = 4, /* File is open for shared write access */
fcbSharedWriteMask = 0x10,
fcbFileLockedBit = 5, /* File is locked (write-protected) */
fcbFileLockedMask = 0x20,
fcbOwnClumpBit = 6, /* File has clump size specified in FCB */
fcbOwnClumpMask = 0x40,
fcbModifiedBit = 7, /* File has changed since it was last flushed */
fcbModifiedMask = 0x80
};
enum {
fcbLargeFileBit = 3, /* File may grow beyond 2GB; cache uses file blocks, not bytes */
fcbLargeFileMask = 0x08
};
#define kSectorShift 9 /* log2(kSectorSize); used for bit shifts */
/*
Fork Level Access Method Block get options
*/
enum {
kGetBlock = 0x00000000,
kForceReadBlock = 0x00000002,
kGetEmptyBlock = 0x00000008,
kSkipEndianSwap = 0x00000010
};
typedef OptionBits GetBlockOptions;
/*
Fork Level Access Method Block release options
*/
enum {
kReleaseBlock = 0x00000000,
kForceWriteBlock = 0x00000001,
kMarkBlockDirty = 0x00000002,
kTrashBlock = 0x00000004
};
typedef OptionBits ReleaseBlockOptions;
struct BlockDescriptor{
void *buffer;
void *blockHeader;
UInt64 blockNum;
UInt32 blockSize;
Boolean blockReadFromDisk;
Boolean fragmented;
};
typedef struct BlockDescriptor BlockDescriptor;
typedef BlockDescriptor *BlockDescPtr;
struct SFCB;
struct SVCB {
UInt16 vcbSignature;
UInt16 vcbVersion;
UInt32 vcbAttributes;
UInt32 vcbLastMountedVersion;
UInt32 vcbReserved1;
UInt32 vcbCreateDate;
UInt32 vcbModifyDate;
UInt32 vcbBackupDate;
UInt32 vcbCheckedDate;
UInt32 vcbFileCount;
UInt32 vcbFolderCount;
UInt32 vcbBlockSize;
UInt32 vcbTotalBlocks;
UInt32 vcbFreeBlocks;
UInt32 vcbNextAllocation;
UInt32 vcbRsrcClumpSize;
UInt32 vcbDataClumpSize;
UInt32 vcbNextCatalogID;
UInt32 vcbWriteCount;
UInt64 vcbEncodingsBitmap;
UInt8 vcbFinderInfo[32];
/* MDB-specific fields... */
SInt16 vcbNmFls; /* number of files in root folder */
SInt16 vcbNmRtDirs; /* number of directories in root folder */
UInt16 vcbVBMSt; /* first sector of HFS volume bitmap */
UInt16 vcbAlBlSt; /* first allocation block in HFS volume */
UInt16 vcbVSeqNum; /* volume backup sequence number */
UInt16 vcbReserved2;
Str27 vcbVN; /* HFS volume name */
/* runtime fields... */
struct SFCB * vcbAllocationFile;
struct SFCB * vcbExtentsFile;
struct SFCB * vcbCatalogFile;
struct SFCB * vcbAttributesFile;
struct SFCB * vcbStartupFile;
UInt32 vcbEmbeddedOffset; /* Sector where HFS+ starts */
UInt16 vcbFlags;
SInt16 vcbDriveNumber;
SInt16 vcbDriverReadRef;
SInt16 vcbDriverWriteRef;
void * vcbBlockCache;
struct SGlob * vcbGPtr;
/* deprecated fields... */
SInt16 vcbVRefNum;
};
typedef struct SVCB SVCB;
struct SFCB {
UInt32 fcbFileID;
UInt32 fcbFlags;
struct SVCB * fcbVolume;
void * fcbBtree;
HFSExtentRecord fcbExtents16;
HFSPlusExtentRecord fcbExtents32;
UInt32 fcbCatalogHint;
UInt32 fcbClumpSize;
UInt64 fcbLogicalSize;
UInt64 fcbPhysicalSize;
UInt32 fcbBlockSize;
};
typedef struct SFCB SFCB;
extern OSErr GetDeviceSize(int driveRefNum, UInt64 *numBlocks, UInt32 *blockSize);
extern OSErr DeviceRead(int device, int drive, void* buffer, SInt64 offset, UInt32 reqBytes, UInt32 *actBytes);
extern OSErr DeviceWrite(int device, int drive, void* buffer, SInt64 offset, UInt32 reqBytes, UInt32 *actBytes);
/*
* Block Cache Interface
*/
extern void InitBlockCache(SVCB *volume);
extern OSStatus GetVolumeBlock (SVCB *volume, UInt64 blockNum, GetBlockOptions options,
BlockDescriptor *block);
extern OSStatus ReleaseVolumeBlock (SVCB *volume, BlockDescriptor *block,
ReleaseBlockOptions options);
extern OSStatus GetFileBlock (SFCB *file, UInt32 blockNum, GetBlockOptions options,
BlockDescriptor *block);
extern OSStatus ReleaseFileBlock (SFCB *file, BlockDescriptor *block,
ReleaseBlockOptions options);
extern OSStatus SetFileBlockSize (SFCB *file, ByteCount blockSize);
#if BSD
#define AllocateMemory(size) malloc((size_t)(size))
#define AllocateClearMemory(size) calloc(1,(size_t)(size))
#define ReallocateMemory(ptr,newSize) SetPtrSize((void*)(ptr),(size_t)(newSize))
#define MemorySize(ptr) malloc_size((void*)(ptr))
#define DisposeMemory(ptr) free((void *)(ptr))
#define CopyMemory(src,dst,len) bcopy((void*)(src),(void*)(dst),(size_t)(len))
#define ClearMemory(start,len) bzero((void*)(start),(size_t)(len))
extern UInt32 TickCount();
extern OSErr MemError(void);
extern Handle NewHandleClear(Size byteCount);
extern Handle NewHandle(Size byteCount);
extern void DisposeHandle(Handle h);
extern Size GetHandleSize(Handle h);
extern void SetHandleSize(Handle h, Size newSize);
extern OSErr PtrAndHand(const void *ptr1, Handle hand2, long size);
#else
#define AllocateMemory(size) NewPtr((Size)(size))
#define AllocateClearMemory(size) NewPtrClear((Size)(size))
#define ReallocateMemory(ptr,newSize) SetPtrSize((Ptr)(ptr),(Size)(newSize))
#define MemorySize(ptr) GetPtrSize((Ptr)(ptr))
#define DisposeMemory(ptr) DisposePtr((Ptr)(ptr))
#define CopyMemory(src,dst,len) BlockMoveData((void *)(src),(void *)(dst),(Size)(len))
void ClearMemory(void* start, long len);
#endif
#endif /* __SRUNTIME__ */
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