pathologydemo1.cpp

来自「压缩包里有教材<<C++模式设计-基于QT4开源跨平台开发框架&gt」· C++ 代码 · 共 26 行

#include <iostream>
using namespace std;

int main() {
    int* jp = new int(13);  /* allocate and initialize */
    cout << jp << '\t' << *jp << endl;
    delete jp;
    delete jp;          /* error: pointer already deleted */
    jp = new int(3);    /* Reassign the pointer, memory leak. */
    cout << jp << '\t' << *jp << endl;
    jp = new int(10);     /* Reassign the pointer, memory leak. */
    cout << jp << '\t' << *jp << endl;
    int* kp = new int(17);
    cout << kp << '\t' << *kp << endl;
    return 0;
}
/*OUT
OOP> g++ pathologydemo1.cpp
OOP> ./a.out
0x8049e08       13
0x8049e08       3
0x8049e08       10
Segmentation fault
OOP>
*/