内存释放不掉，进程占用内存一直增加，有哪位大牛能给看一下是什么问题么，感谢！

Question

#include "stdafx.h"


#include <locale.h>

#include <ActiveDS.h>

#include <map>

#define SAFE_RELEASE(p)		{ if(p) { p->Release(); p = NULL; } }

#pragma comment(lib, "adsiid.lib")
#pragma comment(lib, "activeds.lib")

using namespace std;

const WCHAR* g_pszW3SVC = L"IIS://localhost/W3SVC";

class CWebPathMap : public map<BSTR, BSTR>
{
public:
	CWebPathMap();
	~CWebPathMap();

	VOID	Destroy();
	VOID	MoveData(CWebPathMap & dest);
};

typedef CWebPathMap::iterator WPM_ITERATOR;

CWebPathMap g_lastWPM;

CWebPathMap::CWebPathMap()
{
}

CWebPathMap::~CWebPathMap()
{
	Destroy();
}

void CWebPathMap::Destroy()
{
	WPM_ITERATOR it = begin();

	while (it != end())
	{
		SysFreeString(it->first);
		SysFreeString(it->second);

		it = erase(it);
	}

	//clear();
}

VOID CWebPathMap::MoveData(CWebPathMap & dest)
{
	dest.Destroy();

	WPM_ITERATOR it = begin();
	while (it != end())
	{
		dest.insert( CWebPathMap::value_type(it->first, it->second) );
		it++;
	}

	clear();
}


BSTR GetWebsitePath(BSTR bstrADsPath)
{
	BSTR rtn = NULL;

	HRESULT hr;
	IADs * pADs = NULL;
	hr = ADsGetObject(bstrADsPath, IID_IADs, (VOID **)&pADs);
	if (FAILED(hr))
		return NULL;

	VARIANT var;
	VariantInit(&var);

	hr = pADs->Get(L"Path", &var);
	SAFE_RELEASE(pADs);
	if (FAILED(hr))
		return NULL;
	rtn = SysAllocString(var.bstrVal);

	VariantClear(&var);

	return rtn;
}

VOID AddToMap(BSTR bstrChild, CWebPathMap& wpm)
{
	BSTR bstrWebSiteName = NULL;

	HRESULT hr;
	VARIANT var;
	VariantInit(&var);

	IADs * pADs = NULL;
	IADsContainer * pADsContainer = NULL;
	ULONG lFetch;


	IEnumVARIANT * pEnum = NULL;
	LPUNKNOWN pUnk = NULL;
	BOOL bFound = FALSE;

	WCHAR wszPath[200] = {0};
	wcscpy_s(wszPath, g_pszW3SVC);
	wcscat_s(wszPath, L"/");
	wcscat_s(wszPath, bstrChild);

	hr = ADsGetObject(wszPath, IID_IADs, (void **)&pADs);
	if (FAILED(hr))
		return;

	hr = pADs->Get(L"ServerComment", &var);
	if (FAILED(hr))
	{
		goto FUNC_RTN;
	}
	bstrWebSiteName = SysAllocString(var.bstrVal);
	VariantClear(&var);

	if (!bstrWebSiteName)
	{
		goto FUNC_RTN;
	}

	hr = pADs->QueryInterface(IID_IADsContainer, (void **)&pADsContainer);
	SAFE_RELEASE(pADs);
	if (FAILED(hr))
	{
		goto FUNC_RTN;
	}

	hr = pADsContainer->get__NewEnum(&pUnk);
	SAFE_RELEASE(pADsContainer);
	if (FAILED(hr))
	{
		goto FUNC_RTN;
	}

	hr = pUnk->QueryInterface(IID_IEnumVARIANT, (VOID **)&pEnum);
	SAFE_RELEASE(pUnk);
	if (FAILED(hr))
	{
		goto FUNC_RTN;
	}

	hr = pEnum->Next(1, &var, &lFetch);
	while (SUCCEEDED(hr) && lFetch > 0 && !bFound)
	{
		IDispatch *pDisp = NULL;
		IADs *pADsTmp =  NULL;
		pDisp = V_DISPATCH(&var);
		hr = pDisp->QueryInterface(IID_IADs, (void **)&pADsTmp);

		if (SUCCEEDED(hr))
		{
			BSTR bstrName = NULL;
			BSTR bstrClass = NULL;
			pADsTmp->get_Name(&bstrName);
			pADsTmp->get_Class(&bstrClass);
			SAFE_RELEASE(pADsTmp);

			if (_wcsicmp(bstrName, L"ROOT") == 0 && _wcsicmp(bstrClass, L"IIsWebVirtualDir") == 0)
			{
				bFound = TRUE;

				WCHAR szTmp[200] = {0};
				wsprintf(szTmp, L"%s/%s", wszPath, bstrName);
				BSTR path = GetWebsitePath(szTmp);
				if (path)
				{
					wpm.insert( CWebPathMap::value_type(bstrWebSiteName, path) );
					bstrWebSiteName = NULL;
				}
				else
				{
				}
			}
			SysFreeString(bstrClass);
			SysFreeString(bstrName);	
		}

		VariantClear(&var);
		hr = pEnum->Next(1, &var, &lFetch);
	}

FUNC_RTN:
	SysFreeString(bstrWebSiteName);
	VariantClear(&var);
	SAFE_RELEASE(pADs);
	SAFE_RELEASE(pADsContainer);
	SAFE_RELEASE(pUnk);
	SAFE_RELEASE(pEnum);
}

void GetWebPathMap(CWebPathMap& wpm)
{
	HRESULT hr;
	IADsContainer * pADsContainer = NULL;
	hr = ADsGetObject(g_pszW3SVC, IID_IADsContainer, (VOID **)&pADsContainer);
	if (FAILED(hr))
		return;

	IEnumVARIANT * pEnum = NULL;
	LPUNKNOWN pUnk = NULL;

	hr = pADsContainer->get__NewEnum(&pUnk);
	SAFE_RELEASE(pADsContainer);
	if (FAILED(hr))
		return;

	hr = pUnk->QueryInterface(IID_IEnumVARIANT, (VOID **)&pEnum);
	SAFE_RELEASE(pUnk);
	if (FAILED(hr))
		return;

	ULONG lFetch;
	VARIANT var;
	VariantInit(&var);
	hr = pEnum->Next(1, &var, &lFetch);
	while (SUCCEEDED(hr) && lFetch > 0)
	{
		IDispatch *pDisp = NULL;
		IADs *pADs =  NULL;
		pDisp = V_DISPATCH(&var);
		hr = pDisp->QueryInterface(IID_IADs, (void **)&pADs);

		if (SUCCEEDED(hr))
		{
			BSTR bstrName = NULL;
			BSTR bstrClass = NULL;
			pADs->get_Name(&bstrName);
			pADs->get_Class(&bstrClass);
			SAFE_RELEASE(pADs);

			if (_wcsicmp(bstrClass, L"IIsWebServer") == 0)
			{
				AddToMap(bstrName, wpm);
			}

			SysFreeString(bstrClass);
			SysFreeString(bstrName);
		}

		VariantClear(&var);
		hr = pEnum->Next(1, &var, &lFetch);
	}

	SAFE_RELEASE(pEnum);
}


void main()
{
//#if defined(_UNICODE) || defined(UNICODE)
	const char * c = setlocale(LC_ALL, "chs");
//#endif
	CoInitialize(NULL);

	while (true)
	{
		CWebPathMap wpm;

		GetWebPathMap(wpm);

		WPM_ITERATOR this_it = wpm.begin();
		while (this_it != wpm.end())
		{
			WPM_ITERATOR last_it = g_lastWPM.begin();
			while (last_it != g_lastWPM.end())
			{
				if (_wcsicmp(this_it->first, last_it->first) == 0)
				{
					if (_wcsicmp(this_it->second, last_it->second) != 0)
					{
						WCHAR wszBuf[200] = {0};
						wsprintf(wszBuf, L"网站%s的物理路径从\"%s\"变为\"%s\"\n", this_it->first, last_it->second, this_it->second);
						wprintf(wszBuf);
					}
					break;
				}
				last_it++;
			}

			this_it++;
		}

		wpm.MoveData(g_lastWPM);

		Sleep(2000);
	}

	CoUninitialize();
}

注：代码的功能是检测iis网站对应的物理路径是否发生改变（机器上需要安装iis）

程序的执行过程中发现内存释放不掉，但找不出来原因，求各位技术大牛给看一下！ 有微软的熟悉ADSI的技术大牛可以帮忙看一下么，非常感谢！

Answer 1

Windows7么？你是在任务管理器看到内存不降么？

如果是，这是Windows的内存管理方式，你可以运行一段时间，看一下内存是否稳定，不再增长。

另外看到程序中使用了BSTR，可以使用bstr_t或者CCOMBSTR代替。

---

麻烦把正确答案设为解答。

Answer 2

原因已找到http://support.microsoft.com/?id=2566314

Answer 3

你好，

感谢你分享你的解决方案，这样将帮助遇到这种问题的其他人。