[Qt-interest] A new (?) const-correct way to create a Ui object and do setupUi

[Thiago Macieira]

Em terça-feira, 8 de fevereiro de 2011, às 13:32:16, Nikos Chantziaras 
escreveu:
> On 02/08/2011 01:00 PM, Thiago Macieira wrote:
> > [...] And how do you delete the reference afterwards?
> 
> You are not allowed to delete objects that were not created with "new":
> 
>    QObject* obj1 = new QObject;
> 
> You can delete obj1.  However:
> 
>    QObject obj2;
> 
> You cannot delete obj2.  For the same reason, you do not delete
> references to obj2.

And that still has nothing to do with the OP message.

See the attached program. Here's its valgrind output:

==18525== Memcheck, a memory error detector
==18525== Copyright (C) 2002-2010, and GNU GPL'd, by Julian Seward et al.
==18525== Using Valgrind-3.6.0 and LibVEX; rerun with -h for copyright info
==18525== Command: /tmp/reference
==18525== 
==18525== 
==18525== HEAP SUMMARY:
==18525==     in use at exit: 1 bytes in 1 blocks
==18525==   total heap usage: 1 allocs, 0 frees, 1 bytes allocated
==18525== 
==18525== 1 bytes in 1 blocks are definitely lost in loss record 1 of 1
==18525==    at 0x4007849: operator new(unsigned int) (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==18525==    by 0x8048438: ReferencingClass::ReferencingClass() 
(reference.cpp:16)
==18525==    by 0x804845B: main (reference.cpp:26)
==18525== 
==18525== LEAK SUMMARY:
==18525==    definitely lost: 1 bytes in 1 blocks
==18525==    indirectly lost: 0 bytes in 0 blocks
==18525==      possibly lost: 0 bytes in 0 blocks
==18525==    still reachable: 0 bytes in 0 blocks
==18525==         suppressed: 0 bytes in 0 blocks
==18525== 
==18525== For counts of detected and suppressed errors, rerun with: -v
==18525== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 13 from 6)

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
  Senior Product Manager - Nokia, Qt Development Frameworks
      PGP/GPG: 0x6EF45358; fingerprint:
      E067 918B B660 DBD1 105C  966C 33F5 F005 6EF4 5358
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