Simple Memory Leak Detection
By Sumit Agarwal, February 01, 2002
There are many useful functions for detecting memory leaks in the Visual C++ Debug version of the C Runtime Library. Sumit demonstrates the most important ones with a simple example.
February 2002/Simple Memory Leak Detection
Example 1
A small implementation of the Debug functions
#include <iostream.h>
#include <crtdbg.h>
#include <string.h>
int main() {
char *ptr1;
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDOUT);
_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDOUT);
_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDOUT);
ptr1 = new char[100];
strcpy(ptr1,"This memory leak was created by Sumit");
cout << ptr1 << endl;
/* lot of code here */
_CrtDumpMemoryLeaks();
return 0; }
