VS检查内存泄漏的一种方法

 

#define _CRTDBG_MAP_ALLOC

#include <cstdlib>
#include <crtdbg.h>

int main() {
    int* p = (int*)malloc(sizeof(int)*10);
    _CrtDumpMemoryLeaks();
    return 0;
}

可以输出未释放的内存的行号

 

 

 

 

//#define _CRTDBG_MAP_ALLOC//#define _DEBUG#include <cstdlib>#include <crtdbg.h>//#include "Test.cpp"////#ifdef _DEBUG//    #define DBG_NEW new ( _NORMAL_BLOCK , __FILE__ , __LINE__ )//    // Replace _NORMAL_BLOCK with _CLIENT_BLOCK if you want the//    // allocations to be of _CLIENT_BLOCK type//#else//    #define DBG_NEW new//#endif//int a = 1;struct Pod {    int x;};
int main() {    //Pod* pPod = DBG_NEW Pod;    //pPod = DBG_NEW Pod; // Oops, leaked the original pPod!    //delete pPod;int* p = (int*)malloc(sizeof(int)*10);    _CrtDumpMemoryLeaks();    return 0;}