Re: Marshalling deques

Path	csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder1.enfer-du-nord.net!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From	"Bo Persson" <bop@gmb.dk>
Newsgroups	comp.lang.c++
Subject	Re: Marshalling deques
Date	Wed, 17 Aug 2011 12:23:00 +0200
Lines	25
Message-ID	<9b1j3vFbf3U1@mid.individual.net> (permalink)
References	<a824c198-7623-4124-981b-0aaa1c28d90c@a4g2000yqg.googlegroups.com>
X-Trace	individual.net e7ntgtc/c6ZVVOkEN1IwCAr7+34021VrBg4PpY3YobN37DyQ07
Cancel-Lock	sha1:NDEPZ0G9XvPZbd8cvi1tKh3jiag=
X-Priority	3
X-MSMail-Priority	Normal
X-Newsreader	Microsoft Outlook Express 6.00.2900.5931
X-MimeOLE	Produced By Microsoft MimeOLE V6.00.2900.6109
X-RFC2646	Format=Flowed; Original
X-Antivirus	avast! (VPS 110817-0, 2011-08-17), Outbound message
X-Antivirus-Status	Clean
Xref	x330-a1.tempe.blueboxinc.net comp.lang.c++:8972

Show key headers only | View raw

Ebenezer wrote:
> When you have a vector of a primitive type, rather than
> iterating through each element, you can marshal the vector
> with the address of the first element and multiply the size
> of the vector with the size of each element like this:
>
> buf.Receive(&*vec.begin(),  vec.size() * sizeof(T));
>
> I'd like to do something similar with deques, but they are
> implemented in chunks rather than a single chunk.  How
> to get the address and size of each chunk, though?  Tia.
>
> http://www.gotw.ca/gotw/054.htm
>

You cannot.

Deque has to use a two level addressing, probably involving an array 
of pointers to the chunks, but the details are not specified by the 
standard. There is no interface to this internal structure.


Bo Persson

Thread

Marshalling deques Ebenezer <woodbrian77@gmail.com> - 2011-08-16 19:13 -0700
  Re: Marshalling deques "Bo Persson" <bop@gmb.dk> - 2011-08-17 12:23 +0200
    Re: Marshalling deques Ebenezer <woodbrian77@gmail.com> - 2011-08-17 09:28 -0700
      Re: Marshalling deques Victor Bazarov <v.bazarov@comcast.invalid> - 2011-08-17 13:32 -0400
        Re: Marshalling deques Leigh Johnston <leigh@i42.co.uk> - 2011-08-17 18:41 +0100
          Re: Marshalling deques Leigh Johnston <leigh@i42.co.uk> - 2011-08-17 18:46 +0100
          Re: Marshalling deques Ebenezer <woodbrian77@gmail.com> - 2011-08-17 11:08 -0700
            Re: Marshalling deques Leigh Johnston <leigh@i42.co.uk> - 2011-08-17 19:12 +0100
              Re: Marshalling deques Leigh Johnston <leigh@i42.co.uk> - 2011-08-17 19:21 +0100
        Re: Marshalling deques Ebenezer <woodbrian77@gmail.com> - 2011-08-17 15:06 -0700
          Re: Marshalling deques Leigh Johnston <leigh@i42.co.uk> - 2011-08-17 23:29 +0100
            Re: Marshalling deques Leigh Johnston <leigh@i42.co.uk> - 2011-08-17 23:34 +0100
              Re: Marshalling deques Ebenezer <woodbrian77@gmail.com> - 2011-08-18 08:59 -0700
          Re: Marshalling deques Jeff Flinn <TriumphSprint2000@hotmail.com> - 2011-08-17 21:10 -0400
          Re: Marshalling deques "Bo Persson" <bop@gmb.dk> - 2011-08-18 14:24 +0200
            Re: Marshalling deques Ebenezer <woodbrian77@gmail.com> - 2011-08-18 08:53 -0700
              Re: Marshalling deques Ebenezer <woodbrian77@gmail.com> - 2011-08-19 15:39 -0700
                Re: Marshalling deques Ebenezer <woodbrian77@gmail.com> - 2011-08-22 12:39 -0700
      Re: Marshalling deques "Bo Persson" <bop@gmb.dk> - 2011-08-18 14:22 +0200
  Re: Marshalling deques ptyxs <kerloch@gmail.com> - 2011-08-17 09:43 -0700

csiph-web