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changes to support FCB and CCB better

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svn path=/trunk/; revision=146
This commit is contained in:
jean 1999-01-04 11:59:25 +00:00
parent 20ef31f3cc
commit 06a593cc64
1 changed files with 44 additions and 45 deletions
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89
reactos/drivers/fs/vfat/vfat.h
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@ -1,6 +1,8 @@
struct _BootSector { struct _BootSector {
unsigned char magic0, res0, magic1; unsigned char magic0, res0, magic1;
unsigned char OEMName[8]; unsigned char OEMName[8];
@ -66,43 +68,6 @@ typedef struct _slot slot;
#define BLOCKSIZE 512 #define BLOCKSIZE 512
// Put the rest in struct.h
/*
typedef unsigned int uint32;
typedef struct _SFsdIdentifier {
uint32 NodeType;
uint32 NodeSize;
} SFsdIdentifier, *PtrSFsdIdentifier;
typedef struct _SFsdNTRequiredFCB {
FSRTL_COMMON_FCB_HEADER CommonFCBHeader;
SECTION_OBJECT_POINTERS SectionObject;
ERESOURCE MainResource;
ERESOURCE PagingIoResource;
} SFsdNTRequiredFCB, *PtrSFsdNTRequiredFCB;
typedef struct _SFsdFileControlBlock {
SFsdIdentifier NodeIdentifier;
SFsdNTRequiredFCB NTRequiredFCB;
SFsdDiskDependentFCB DiskDependentFCB;
struct _SFsdVolumeControlBlock *PtrVCB;
LIST_ENTRY NextFCB;
uint32 FCBFlags;
LIST_ENTRY NextCCB;
SHARE_ACCESS FCBShareAccess;
uint32 LazyWriterThreadID;
uint32 ReferenceCount;
uint32 OpenHandleCount;
PtrSFsdObjectName FCBName;
LARGE_INTEGER CreationTime;
LARGE_INTEGER LastAccessTime;
LARGE_INTEGER LastWriteTime;
SFsdFileLockAnchorFCB ByteRangeLock;
OPLOCK FCBOplock;
} SFsdFCB, *PtrSFsdFCB;
*/
#define FAT16 (1) #define FAT16 (1)
#define FAT12 (2) #define FAT12 (2)
#define FAT32 (3) #define FAT32 (3)
@ -118,13 +83,47 @@ typedef struct
unsigned char* FAT; unsigned char* FAT;
} DEVICE_EXTENSION, *PDEVICE_EXTENSION; } DEVICE_EXTENSION, *PDEVICE_EXTENSION;
typedef struct _FSRTL_COMMON_FCB_HEADER{
char IsFastIoPossible;//is char the realtype ?
ERESOURCE Resource;
ERESOURCE PagingIoResource;
ULONG Flags;// is long the real type ?
LARGE_INTEGER AllocationSize;
LARGE_INTEGER FileSize;
LARGE_INTEGER ValidDataLength;
// other fields ??
} FSRTL_COMMON_FCB_HEADER;
typedef struct _SFsdNTRequiredFCB {
FSRTL_COMMON_FCB_HEADER CommonFCBHeader;
SECTION_OBJECT_POINTERS SectionObject;
ERESOURCE MainResource;
ERESOURCE PagingIoResource;
} SFsdNTRequiredFCB, *PtrSFsdNTRequiredFCB;
struct _VfatFCB;
typedef struct _VfatFCB
{
SFsdNTRequiredFCB NTRequiredFCB;
FATDirEntry entry;
WCHAR *ObjectName; // point on filename (250 chars max) in PathName
WCHAR PathName[261];// path+filename 260 max
long RefCount;
PDEVICE_EXTENSION pDevExt;
struct _VfatFCB * nextFcb, *prevFcb;
struct _VfatFCB * parentFcb;
} VfatFCB, *PVfatFCB;
typedef struct typedef struct
{ {
FATDirEntry entry; VfatFCB * pFcb;
WCHAR ObjectName[251];// filename has 250 characters max LIST_ENTRY NextCCB;
ULONG StartSector; PFILE_OBJECT PtrFileObject;
ULONG StartEntry;//for DirectoryControl LARGE_INTEGER CurrentByteOffset;
} FCB, *PFCB; ULONG StartSector; // for DirectoryControl
ULONG StartEntry; //for DirectoryControl
// PSTRING DirectorySearchPattern;// for DirectoryControl ?
} VfatCCB, *PVfatCCB;
#define ENTRIES_PER_SECTOR (BLOCKSIZE / sizeof(FATDirEntry)) #define ENTRIES_PER_SECTOR (BLOCKSIZE / sizeof(FATDirEntry))
@ -154,8 +153,8 @@ BOOLEAN VFATWriteSectors(IN PDEVICE_OBJECT pDeviceObject,
IN UCHAR* Buffer); IN UCHAR* Buffer);
//internal functions in iface.c : //internal functions in iface.c :
NTSTATUS FsdGetStandardInformation(PFCB FCB, PDEVICE_OBJECT DeviceObject, NTSTATUS FsdGetStandardInformation(PVfatFCB FCB, PDEVICE_OBJECT DeviceObject,
PFILE_STANDARD_INFORMATION StandardInfo); PFILE_STANDARD_INFORMATION StandardInfo);
NTSTATUS FindFile(PDEVICE_EXTENSION DeviceExt, PFCB Fcb, NTSTATUS FindFile(PDEVICE_EXTENSION DeviceExt, PVfatFCB Fcb,
PFCB Parent, PWSTR FileToFind,ULONG *StartSector,ULONG *Entry); PVfatFCB Parent, PWSTR FileToFind,ULONG *StartSector,ULONG *Entry);
wchar_t * vfat_wcsncpy(wchar_t * dest, const wchar_t *src,size_t wcount); wchar_t * vfat_wcsncpy(wchar_t * dest, const wchar_t *src,size_t wcount);