Visual Studio Memory leak detection mechanism

Question

Does Visual Studio 2010 has a memory leak detection tool? In Visualizer I found memory profiler but not memory leak detection tool?

Answer 1

Hi SMNW,

Thanks for your post.

Visual Studio debugger and C run-time libraries provide you effective means for detecting and identifying memory leak. To understand how to do it, please refer to the MSDN article: http://msdn.microsoft.com/en-us/library/x98tx3cf.aspx. (There is no new feature in VS 2010)

Other than Visual Studio, there are other tools that you can use to detect memory leak in native code:

Umdhtools.exe: How to use Umdh.exe to find memory leaks

There is a sample along with a detailed ReadMe file about how to detect handle and memorty leak at All-In-One Code Framework. You'd better take a look of it.

Hope it helps.

 

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Hongye Sun [MSFT]
MSDN Subscriber Support in Forum
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Answer 2

Hello,

I am writing to follow up this issue. Would you mind updating me the issue status? Thanks.

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Hongye Sun [MSFT]
MSDN Subscriber Support in Forum
If you have any feedback on our support, please contact msdnmg @ microsoft.com

Please remember to mark the replies as answers if they help and unmark them if they provide no help.
Welcome to the All-In-One Code Framework! If you have any feedback, please tell us.
See what's happening in MSDN forum? Follow us at Twitter.

Answer 3

The memory leak information is printed on "Output" window. 

[ This advantage is in "Debug" mode only. ]

Example

 

int _tmain()

{

int* ptr = NULL;

 

ptr = (int*)malloc(sizeof(int)*20);

 

for( int i=0; i<20; ++i )

ptr[i] = i;

 

#ifndef NDEBUG

 

int flag = _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG); // Get current flag

 

flag |= _CRTDBG_LEAK_CHECK_DF; // Turn on leak-checking bit

 

_CrtSetDbgFlag(flag); // Set flag to the new value

 

#endif 

 

//free(ptr);

 

printf("\n\nPress Enter...");

getch();

return 0;

}

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Cheers, Eliza