32 lines
935 B
C++
32 lines
935 B
C++
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// delete.cpp -- using the delete operator
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#include <iostream>
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#include <cstring> // or string.h
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using namespace std;
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char * getname(void); // function prototype
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int main()
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{
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char * name; // create pointer but no storage
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name = getname(); // assign address of string to name
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cout << name << " at " << (int *) name << "\n";
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delete [] name; // memory freed
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name = getname(); // reuse freed memory
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cout << name << " at " << (int *) name << "\n";
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delete [] name; // memory freed again
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// cin.get();
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// cin.get();
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return 0;
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}
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char * getname() // return pointer to new string
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{
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char temp[80]; // temporary storage
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cout << "Enter last name: ";
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cin >> temp;
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char * pn = new char[strlen(temp) + 1];
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strcpy(pn, temp); // copy string into smaller space
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return pn; // temp lost when function ends
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}
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