[Insight-developers] purify errors on VC++

[Bill Hoffman]

No problem, I just made the same fix....



At 11:46 AM 7/19/2001 -0700, Lydia Ng wrote:
>4 of the leaks come from MemberCommand/SimpleMemberCommand:
>
>They have there own implemenation of New().
>It is almost identical to the one defined in itkNewMacro
>except for the part which UnRegister the rawPtr.
>
>I replaced New() by itkNewMacro - this fixes the leak.
>
>Please let me know if this has other undesirable
>effects.
>
>----------------------------------------------------
>One of the leak is from line 131 of the BasicArchitectureTest:
>itk::OutputWindow::SetInstance(new TextOutput);
>
>This has been fixed by using New instead of new.
>-----------------------------------------------------
>
>The UMR's are definitely a Microsoft problem!
>I get them also with the following simple program:
>
>template <class T>
>class MyClass
>{
> public:
>  static Test()
>  {
>    std::cout << typeid(T).name() << std::endl;
>    
>  }
>};
>
>int main()
>{
>  MyClass<unsigned char>::Test();
>
>  return 0;
>}
>
>
>Lydia
>
>> -----Original Message-----
>> From: Bill Hoffman [mailto:bill.hoffman@kitware.com]
>> Sent: Thursday, July 19, 2001 4:22 AM
>> To: lng@insightful.com; Insight-developers (E-mail)
>> Subject: Re: [Insight-developers] purify errors on VC++
>> 
>> 
>> The umr's are from the use of typeid and rtti as far as I can tell.
>> I think that is a Microsoft bug.   I am not sure about the leaks.
>> I think that the SGI purify may not be working...
>> 
>> -Bill
>> 
>> 
>> At 08:38 PM 7/18/01 -0700, Lydia Ng wrote:
>> >Hi All,
>> >
>> >I just installed purify for the PC and ran it on the
>> >itkBasicArchitectureTest.
>> >I get whole bunch of "Uninitialized memory read in DName::DName"
>> >errors - each time something is created using the ObjectFactory.
>> >(see an example below)
>> >
>> >Is this an ITK problem or VC++ problem?
>> >
>> >Also there are 5 memory leaks (see log below)
>> >
>> >GE people: do you these purify errors show on the other
>> >test platforms?
>> >
>> >Lydia
>> >
>> >
>> >-----------------------------------------------------
>> >
>> >[W] UMR: Uninitialized memory read in DName::DName(void) {1 
>> occurrence}
>> >     Reading 4 bytes from 0x00e6fb30 (4 bytes at 0x00e6fb30 
>> uninitialized)
>> >     Address 0x00e6fb30 points into a thread's stack
>> >     Thread ID: 0x4d8
>> >     Error location
>> >         DName::DName(void) [MSVCRTD.dll]
>> >         UnDecorator::getECSUDataType(void) [MSVCRTD.dll]
>> >         UnDecorator::getBasicDataType(DName const&) [MSVCRTD.dll]
>> >         UnDecorator::getPrimaryDataType(DName const&) [MSVCRTD.dll]
>> >         UnDecorator::getDataType(DName *) [MSVCRTD.dll]
>> >         UnDecorator::getDecoratedName(void) [MSVCRTD.dll]
>> >         UnDecorator::operator char *(void) [MSVCRTD.dll]
>> >         _unDName       [MSVCRTD.dll]
>> >         type_info::name(void)const [typname.obj]
>> >         
>> itk::ObjectFactory<MemberCommand<AllEvents>::itk>::Create(void)
>> >[itkObjectFactory.h:71]
>> >                 public:
>> >                   static T::Pointer Create()
>> >                   {
>> >              =>     LightObject::Pointer ret =
>> >ObjectFactory::CreateInstance(typeid(T).name());
>> >                     return dynamic_cast<T*>(ret.GetPointer());
>> >                   }
>> >                 };
>> >
>> >--------------------------------
>> >[W] MLK: Memory leak of 24 bytes from 1 block allocated in
>> >itk::LightObject::new(UINT)
>> >     Distribution of leaked blocks
>> >     Allocation location
>> >         new(UINT)      [new.cpp:23]
>> >         itk::LightObject::new(UINT) [itkLightObject.cxx:225]
>> >         main           [itkBasicArchitectureTest.cxx:132]
>> >         mainCRTStartup [crtexe.c:338]
>> >[W] MLK: Memory leak of 20 bytes from 1 block allocated in
>> >itk::LightObject::new(UINT)
>> >     Distribution of leaked blocks
>> >     Allocation location
>> >         new(UINT)      [new.cpp:23]
>> >         itk::LightObject::new(UINT) [itkLightObject.cxx:225]
>> >         itk::SimpleMemberCommand<ShowProgressObject>::New(void)
>> >[itkCommand.h:281]
>> >         main           [itkBasicArchitectureTest.cxx:176]
>> >         mainCRTStartup [crtexe.c:338]
>> >[W] MLK: Memory leak of 20 bytes from 1 block allocated in
>> >itk::LightObject::new(UINT)
>> >     Distribution of leaked blocks
>> >     Allocation location
>> >         new(UINT)      [new.cpp:23]
>> >         itk::LightObject::new(UINT) [itkLightObject.cxx:225]
>> >         itk::SimpleMemberCommand<StartEndEvent>::New(void)
>> >[itkCommand.h:281]
>> >         main           [itkBasicArchitectureTest.cxx:184]
>> >         mainCRTStartup [crtexe.c:338]
>> >[W] MLK: Memory leak of 20 bytes from 1 block allocated in
>> >itk::LightObject::new(UINT)
>> >     Distribution of leaked blocks
>> >     Allocation location
>> >         new(UINT)      [new.cpp:23]
>> >         itk::LightObject::new(UINT) [itkLightObject.cxx:225]
>> >         itk::SimpleMemberCommand<StartEndEvent>::New(void)
>> >[itkCommand.h:281]
>> >         main           [itkBasicArchitectureTest.cxx:190]
>> >         mainCRTStartup [crtexe.c:338]
>> >[W] MLK: Memory leak of 24 bytes from 1 block allocated in
>> >itk::LightObject::new(UINT)
>> >     Distribution of leaked blocks
>> >     Allocation location
>> >         new(UINT)      [new.cpp:23]
>> >         itk::LightObject::new(UINT) [itkLightObject.cxx:225]
>> >         itk::MemberCommand<AllEvents>::New(void) [itkCommand.h:193]
>> >         main           [itkBasicArchitectureTest.cxx:197]
>> >         mainCRTStartup [crtexe.c:338]
>> >
>> >
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