Use of pointer to deallocated storage.
This diagnostic covers various ways a pointer value can be used after the storage to which it points has been deallocated. There is another diagnostic type for the specific error of dereferencing a pointer after it has been freed. This diagnostic covers other uses, such as returning the address of deallocated storage from a function.
ID |
Observation |
Description |
---|---|---|
1 |
Bad memory access |
The place the bad address was used |
1 |
Deallocation site |
The place the address was deallocated |
#include <iostream> using namespace std; int glob; int *UseDeallocatedStorage() { int *p = new int[10]; delete [] p; // p is now a stale pointer if (p != 0) // used in compare cout << "p == 0: " << p << endl; // used in print glob = (int) p; // used in type conversion to integer } return (p); // used as function return } int main(int argc, char **argv) { (void)UseDeallocatedStorage(); return 0; }
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