当内存分配号不总是相同时，如何检测内存泄漏? [英] How to detect memory leak when memory allocation number isn't always same?

问题描述

我的程序出现了这样的内存泄漏(55字节). 我正在使用C ++，MFC，Visual Studio 2010.

I got a memory leak (55 bytes) on my program like this. I am using C++, MFC, Visual Studio 2010.

检测到内存泄漏！ {13497}正常块，位于0x0E44C248，长55个字节. 数据:44 3A 5C 46 44 41 53 ....

Detected memory leaks! {13497} normal block at 0x0E44C248, 55 bytes long. Data: 44 3A 5C 46 44 41 53....

问题是，内存分配号"13497"并不总是相同.如果我再次运行该程序，它将始终是不同的数字. 我想使用_crtBreakAlloc查找退出前未释放内存的位置，但似乎无法中断内存分配号. 我也使用了_CrtSetDbgFlag和_CrtDumpMemoryLeaks，但效果也不佳.

the problem is, the memory allocation number "13497" is not always same. it's always different number if I run the program again. I wanted to find where I didn't release the memory before the exit, with _crtBreakAlloc, but it seems not possible to break on a memory allocation number. I used _CrtSetDbgFlag, and _CrtDumpMemoryLeaks as well, but it also didn't work well.

在这种情况下，有什么方法可以检测到内存泄漏吗?

Is there any way to detect the memory leak in this case?

谢谢.

推荐答案

您可以使用cppcheck之类的静态分析器，或者如Joe所说，使用重映射运算符new.

You can use a static analizer like cppcheck or, as Joe said, remap operator new.

我开发了一些可以使用的内存泄漏实用程序:

I developed some memory leaks utilities that you can use:

https://github.com/check69/Utils/blob/master /leaks.cpp

https://github.com/check69/Utils/blob/master /leaks.h

有一些Visual Studio指令可以获取控制台输出中的漏洞，以便更轻松地调试.

There is some visual studio instruction to get the leaks in the console output, to debug easier.

PS:我会将其作为评论发布在joe帖子中，但我需要50分才能发表评论.

PS: I would put this as a comment in joe post, but I need 50 points to put comments.

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