求教:输入结果后报错,求教!
程序清单://delete.cpp--using the delete operator
#include<iostream>
#include<cstring> //or string.h
using namespace std;
char * getname(void); //function prototype
int main()
{
char * name; //creat pointer but no storage
name = getname(); //assign address of string to name
cout << name << " at " << (int*)name << "\n";
delete[] name; //memory freed
name = getname(); //reuse freed memory
cout << name << " at " << (int*)name << "\n";
delete[] name; //memory freed again
return 0;
}
char * getname() //return pointer to new string
{
char temp[80]; //temporary storage
cout << "Enter last name: ";
cin >> temp;
char * pn = new char[strlen(temp) + 1];
strcpy_s(pn,5,temp); //copy string into smaller space
return pn; //temp lost when function ends
}