[Qt-interest] Qt memory management.

[Ramesh]

Thanks Andre..
Thanks for the clarification...

Have a nice day :)..

-----Original Message-----
From: Andre Somers [mailto:andre at familiesomers.nl]
Sent: Wednesday, August 18, 2010 4:58 PM
To: Ramesh
Cc: qt-interest at trolltech.com
Subject: Re: [Qt-interest] Qt memory management.

  Op 18-8-2010 13:10, Ramesh schreef:
> Fine andres..
> I do agree.. but what about this case.
>
> QString a = "foo"; // "QStringPrivate" has a refcount of 1
> QString b = a;// Shallow copy of QStringPrivate, that now has a refcount
of
> 2
> a = "chock" // in this case?
>
> If we change the value of a, then what about b?
>
>   b should point to "foo" right. So what happens in this case, I guess
> Deepcopy occurs right?
Good guess :-)
A deep copy occurs on write. No matter who instantiates that write.

André


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