Re: [Boost-users] how to use shared_ptr to wrap std::vector and returnfrom function?

From: David Abrahams (dave_at_[hidden])
Date: 2006-03-21 07:24:34

"Sohail Somani" <s.somani_at_[hidden]> writes:

>> -----Original Message-----
>> From: boost-users-bounces_at_[hidden] 
>> [mailto:boost-users-bounces_at_[hidden]] On Behalf Of 
>> kdsfinger_at_[hidden]
>> Sent: Monday, March 20, 2006 9:59 AM
>> To: Boost-users_at_[hidden]
>> Subject: [Boost-users] how to use shared_ptr to wrap 
>> std::vector and returnfrom function?
>> 
>> hi, Boost users
>> 
>> Suppose I created a large data in a function and want to 
>> return it back to where the function was called. I want to 
>> return the pointer so that the deep copy of the large data is 
>> not needed and memory leak is nicely handled. Can someone let 
>> me know how to do it? 
>
> This is what auto_ptr is for, shared_ptr is overkill as far as I can
> tell

unless you have to cross DLL boundaries, or you need a custom deletion
routine, or a base class of the object pointed to might not have a
virtual destructor, ...

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com