[Solution] -Wsizeof-pointer-memaccess warning

//not by me
//https://gcc.gnu.org/gcc-4.8/porting_to.html

#include <string.h>

struct A { };

int main(void)
{
    A obj;
    A* p1 = &obj;
    A p2[10];

    memset(p1, 0, sizeof(p1)); // error
    memset(p1, 0, sizeof(*p1)); // ok, dereferenced
    memset(p2, 0, sizeof(p2)); // ok, array

    return 0;
}