432   NS_ASSERT (CheckInternalState ());

   432   NS_ASSERT (CheckInternalState ());

   433 

   433 

   434   return delta;

   434   return delta;

   435 }

   435 }

   436 

   436 

   438 Buffer::AddAtEnd (const Buffer &o)

   438 Buffer::AddAtEnd (const Buffer &o)

   439 {

   439 {

   440   if (m_end == m_zeroAreaEnd &&

   441   if (m_end == m_zeroAreaEnd &&

   441       o.m_start == o.m_zeroAreaStart &&

   442       o.m_start == o.m_zeroAreaStart &&

   442       o.m_zeroAreaEnd - o.m_zeroAreaStart > 0)

   443       o.m_zeroAreaEnd - o.m_zeroAreaStart > 0)

   443     {

   444     {

   444       /**

   445       /**

   454       Buffer::Iterator dst = End ();

   455       Buffer::Iterator dst = End ();

   455       dst.Prev (endData);

   456       dst.Prev (endData);

   456       Buffer::Iterator src = o.End ();

   457       Buffer::Iterator src = o.End ();

   457       src.Prev (endData);

   458       src.Prev (endData);

   458       dst.Write (src, o.End ());

   459       dst.Write (src, o.End ());

   460     }

   461     }

   461   Buffer dst = CreateFullCopy ();

   462   Buffer dst = CreateFullCopy ();

   462   Buffer src = o.CreateFullCopy ();

   463   Buffer src = o.CreateFullCopy ();

   463 

   464 

   464   dst.AddAtEnd (src.GetSize ());

   465   dst.AddAtEnd (src.GetSize ());

   465   Buffer::Iterator destStart = dst.End ();

   466   Buffer::Iterator destStart = dst.End ();

   466   destStart.Prev (src.GetSize ());

   467   destStart.Prev (src.GetSize ());

   467   destStart.Write (src.Begin (), src.End ());

   468   destStart.Write (src.Begin (), src.End ());

   468   *this = dst;

   469   *this = dst;

   469 }

   471 }

   470 

   472 

   471 void 

   473 void 

   472 Buffer::RemoveAtStart (uint32_t start)

   474 Buffer::RemoveAtStart (uint32_t start)

   473 {

   475 {