[Insight-developers] purify errors on VC++

Bill Hoffman bill.hoffman@kitware.com
Thu, 19 Jul 2001 07:21:54 -0400


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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