IoCheckQuotaBufferValidity

NTSTATUS __stdcall IoCheckQuotaBufferValidity(
        PFILE_QUOTA_INFORMATION QuotaBuffer,
        ULONG QuotaLength,
        PULONG ErrorOffset){
  ULONG v4; 
  int v5; 
  PFILE_QUOTA_INFORMATION v6; 
  NTSTATUS result; 
  int v8; 
  unsigned int v9; 
  __int64 NextEntryOffset; 
  v4 = QuotaLength;
  v5 = (int)QuotaBuffer;
  v6 = QuotaBuffer;
  if( QuotaLength > 0x7FFFFFFF )
  {
    result = -2147483628;
LABEL_5:
    *ErrorOffset = 0;
    return result;
  }
  if( ((unsigned __int8)QuotaBuffer & 7) != 0 )
  {
    result = -2147483646;
    goto LABEL_5;
  }
  if( QuotaLength >= 0x34 )
  {
    while( RtlValidSid(&v6->Sid) )
    {
      v8 = RtlLengthSid(&v6->Sid);
      v9 = v8 + 40;
      if( v4 < v8 + 40 || v6->SidLength != v8 )
        break;
      NextEntryOffset = v6->NextEntryOffset;
      if( !(_DWORD)NextEntryOffset )
        return 0;
      if( v9 <= (unsigned int)NextEntryOffset
        && (NextEntryOffset & 7) == 0
        && (int)NextEntryOffset >= 0
        && v4 >= (unsigned int)NextEntryOffset )
      {
        v4 -= NextEntryOffset;
        v6 = (PFILE_QUOTA_INFORMATION)((char *)v6 + NextEntryOffset);
        if( v4 >= 0x34 )
          continue;
      }
      break;
    }
  }
  result = -1073741210;
  *ErrorOffset = (_DWORD)v6 - v5;
  return result;
}

Referenced by: