Re: Does push_back() do a copy?

From:
 Gavin Deane <deane_gavin@hotmail.com>
Newsgroups:
comp.lang.c++
Date:
Thu, 28 Jun 2007 11:37:45 -0700
Message-ID:
<1183055865.446202.210610@c77g2000hse.googlegroups.com>
On 28 Jun, 17:20, Angus <anguscom...@gmail.com> wrote:

On 28 Jun, 16:11, Erik Wikstr=F6m <Erik-wikst...@telia.com> wrote:

The correct solution is to do like you did, use new to create the
sockets,


within an appropriate RAII object (e.g. a smart pointer),

add the


objects that own the

pointers to the collection, and *don't* call delete.
Then, later when you are done with the sockets


.... the memory management is already fully solved and has become a non-
issue.

So to delete I do this:

for (std::vector<CTestClientSocket*>::iterator it =
m_collClients.begin();
it != m_collClients.end(); it++)
{
      delete *it;}

m_collClients.erase(m_collClients.begin(), m_collClients.end());


That's what Erik suggested. However, it's not a very good solution.
Any time you have to write new or delete anywhere except in a class
designed to manage memory should ring big alarm bells.

Does that look right to you?


No. You're not using RAII. Someone has already suggested using a smart
pointer (boost::shared_ptr was the example). Do that - give the
responsibility for memory management to an object designed for the
purpose. You have much more important things to worry about.

Gavin Deane

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