iso.h File Reference

#include <pshpack1.h>
#include <poppack.h>

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Classes
struct	_DIR_RECORD
struct	_VD_HEADER
struct	_PVD
struct	ISO_FILE_INFO

Typedefs
typedef struct _DIR_RECORD	DIR_RECORD
typedef struct _DIR_RECORD *	PDIR_RECORD
typedef struct _VD_HEADER	VD_HEADER
typedef struct _VD_HEADER *	PVD_HEADER
typedef struct _PVD	PVD
typedef struct _PVD *	PPVD
typedef struct ISO_FILE_INFO *	PISO_FILE_INFO

Functions
const DEVVTBL *	IsoMount (ULONG DeviceId)

Typedef Documentation

DIR_RECORD

typedef struct _DIR_RECORD DIR_RECORD

Definition at line 45 of file iso.h.

PDIR_RECORD

typedef struct _DIR_RECORD * PDIR_RECORD

Definition at line 45 of file iso.h.

PISO_FILE_INFO

typedef struct ISO_FILE_INFO * PISO_FILE_INFO

PPVD

typedef struct _PVD * PPVD

Definition at line 88 of file iso.h.

PVD

typedef struct _PVD PVD

Definition at line 88 of file iso.h.

PVD_HEADER

typedef struct _VD_HEADER * PVD_HEADER

Definition at line 55 of file iso.h.

VD_HEADER

typedef struct _VD_HEADER VD_HEADER

Definition at line 55 of file iso.h.

Function Documentation

IsoMount()

const DEVVTBL* IsoMount

(

ULONG

DeviceId

)

Definition at line 495 of file iso.c.

{
    UCHAR Buffer[SECTORSIZE];
    PPVD Pvd = (PPVD)Buffer;
    LARGE_INTEGER Position;
    ULONG Count;
    ARC_STATUS Status;

    TRACE("Enter IsoMount(%lu)\n", DeviceId);

    //
    // Read The Primary Volume Descriptor
    //
    Position.HighPart = 0;
    Position.LowPart = 16 * SECTORSIZE;
    Status = ArcSeek(DeviceId, &Position, SeekAbsolute);
    if (Status != ESUCCESS)
        return NULL;
    Status = ArcRead(DeviceId, Pvd, SECTORSIZE, &Count);
    if (Status != ESUCCESS || Count < sizeof(PVD))
        return NULL;

    //
    // Check if PVD is valid. If yes, return ISO9660 function table
    //
    if (Pvd->VdType == 1 && RtlEqualMemory(Pvd->StandardId, "CD001", 5))
    {
        TRACE("IsoMount(%lu) success\n", DeviceId);
        return &Iso9660FuncTable;
    }

    return NULL;
}

Referenced by ArcOpen().