static LONG DiskRead	(	ULONG	FileId,
		VOID *	Buffer,
		ULONG	N,
		ULONG *	Count
	)		`[static]`

Definition at line 113 of file hwdisk.c.

{
    DISKCONTEXT* Context = FsGetDeviceSpecific(FileId);
    UCHAR* Ptr = (UCHAR*)Buffer;
    ULONG i, Length;
    BOOLEAN ret;

    *Count = 0;
    i = 0;
    while (N > 0)
    {
        Length = N;
        if (Length > Context->SectorSize)
            Length = Context->SectorSize;
        ret = MachDiskReadLogicalSectors(
            Context->DriveNumber,
            Context->SectorNumber + Context->SectorOffset + i,
            1,
            (PVOID)DISKREADBUFFER);
        if (!ret)
            return EIO;
        RtlCopyMemory(Ptr, (PVOID)DISKREADBUFFER, Length);
        Ptr += Length;
        *Count += Length;
        N -= Length;
        i++;
    }

    return ESUCCESS;
}

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