首页 > 代码库 > C++ 重载new和delete
C++ 重载new和delete
下边代码对new和delete进行了简单的重载:
#include <memory>#include <iostream>#include <cstddef>using namespace std;class TraceHeap{ int i;public: static void* operator new(size_t siz) { void* p = ::operator new(siz); cout << "Allocating TraceHeap object on the heap " << "at adress " << p << endl; return p; } static void operator delete(void* p) { cout << "Deleting TraceHeap object at address " << p <<endl; ::operator delete(p); } TraceHeap(int i) : i(i) {} int getVal() const { return i; }};int main(){ auto_ptr<TraceHeap> pMyObject(new TraceHeap(5)); cout << pMyObject->getVal() << endl; // Pringts 5 getchar();}
运行结果:
C++ 重载new和delete
声明:以上内容来自用户投稿及互联网公开渠道收集整理发布,本网站不拥有所有权,未作人工编辑处理,也不承担相关法律责任,若内容有误或涉及侵权可进行投诉: 投诉/举报 工作人员会在5个工作日内联系你,一经查实,本站将立刻删除涉嫌侵权内容。