If you are using the MFC part of it then you can use
CMemoryState object to find memory leaks ....
Amol
sree_harsha@hotmail.com (Harsha) wrote in message news:<caa597ca.0311121401.2867567d@posting.google. com>...[color=blue]
> I have been working on VB, ASP for quite a long time. Very Recently (
> From past 1 month) I am managing a VC++ project. I am trying to use
> the code which i downloaded from the internet to find the memory leak
> in the VC++ dll which is causing the servers to crash. I am getting
> the compilation error on this particular line
>
> void * __cdecl operator new(unsigned int size,const char *file, int
> line)
>
> error C2059: syntax error : 'string'
> error C2091: function returns function
> error C2809: 'operator new' has no formal parameters
>
> which I don't know how to resolve. It would be a great help if any
> body throw some light on this . Thank in advance
>
> Below is the code which i cut and pasted from your article.
>
> Header File
> ---------------
> / stdafx.h : include file for standard system include files,
> // or project specific include files that are used frequently, but
> // are changed infrequently
> //
> #if !defined(AFX_STDAFX_H__ADEF40E8_7DC0_4B4B_9B55_DC8 B3C32A60E__INCLUDED_)
> #define AFX_STDAFX_H__ADEF40E8_7DC0_4B4B_9B55_DC8B3C32A60E __INCLUDED_
> #if _MSC_VER > 1000
> #pragma once
> #endif // _MSC_VER > 1000
> #define VC_EXTRALEAN // Exclude rarely-used stuff from Windows headers
> #include <afxwin.h> // MFC core and standard components
> #include <afxext.h> // MFC extensions
> #include <afxdisp.h> // MFC Automation classes
> #include <list>
> #include <iostream>
> using namespace std ;
> int size;
> const char *file;
> int line;
> #include <afxdtctl.h> // MFC support for Internet Explorer 4 Common
> Controls
> #ifndef _AFX_NO_AFXCMN_SUPPORT
> #include <afxcmn.h> // MFC support for Windows Common Controls
> #endif // _AFX_NO_AFXCMN_SUPPORT
> #ifdef _DEBUG
> #define DEBUG_NEW new(__FILE__, __LINE__)
> #else
> #define DEBUG_NEW new
> #endif
> #define new DEBUG_NEW
>
> CPP File
> -----------
> // stdafx.cpp : source file that includes just the standard includes
> // Sample.pch will be the pre-compiled header
> // stdafx.obj will contain the pre-compiled type information
> #define __cdecl
> #include "stdafx.h"
> typedef struct {
> DWORD address;
> DWORD size;
> char file[64];
> DWORD line;
> } ALLOC_INFO;
> typedef list<ALLOC_INFO*> AllocList;
> AllocList *allocList;
> void AddTrack(DWORD addr, DWORD asize, const char *fname, DWORD lnum)
> {
> ALLOC_INFO *info;
> if(!allocList) {
> allocList = new(AllocList);
> }
> info = new(ALLOC_INFO);
> info->address = addr;
> strncpy(info->file, fname, 63);
> info->line = lnum;
> info->size = asize;
> allocList->insert(allocList->begin(), info);
> };
> void RemoveTrack(DWORD addr)
> {
> AllocList::iterator i;
> if(!allocList)
> return;
> for(i = allocList->begin(); i != allocList->end(); i++)
> {
> if((*i)->address == addr)
> {
> allocList->remove((*i));
> break;
> }
> }
> };
> void DumpUnfreed()
> {
> AllocList::iterator i;
> DWORD totalSize = 0;
> char buf[1024];
> if(!allocList)
> return;
> for(i = allocList->begin(); i != allocList->end(); i++) {
> sprintf(buf, "%-50s:\t\tLINE %d,\t\tADDRESS %d\t%d unfreed\n",
> (*i)->file, (*i)->line, (*i)->address, (*i)->size);
> OutputDebugString(buf);
> totalSize += (*i)->size;
> }
> sprintf(buf, "-----------------------------------------------------------\n");
> OutputDebugString(buf);
> sprintf(buf, "Total Unfreed: %d bytes\n", totalSize);
> OutputDebugString(buf);
> };
> #ifdef _DEBUG
> void * __cdecl operator new(unsigned int size,const char *file, int
> line)
> {
> void *ptr = (void *)malloc(size);
> AddTrack((DWORD)ptr, size, file, line);
> return(ptr);
> };
> inline void __cdecl operator delete(void *p)
> {
> RemoveTrack((DWORD)p);
> free(p);
> };
> #endif[/color]
