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Tip of the Day
Home » Tip Bank » C++
Language: C++
Expertise: Advanced
Feb 20, 2002

WEBINAR:

On-Demand

Application Security Testing: An Integral Part of DevOps


How Should Pointers Across Block Boundaries Be Controlled?


Avoid storing the address of a local object created in an inner scope in a pointer in an outer scope.
 
class Hello {
   public:
    void method();
};

void process(Hello& x);

void myfunc()
{
  {
     Hello* pHel;
     {
        Hello objHel;
        pHel=&objHel
     }
     process(*pHel); <- Lead to crash
     pHel->method();<- Lead to crash

}
Subhendu Mahapatra
 
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