CODEWITHSUNDEEP
c++memory-leaksdynamic-memory-allocation
Dr_Cringe
Dr_Cringe

Reputation: 3

Memory deallocation for char pointer

Part from my code:

class Menuitem
{
private:
    char* text;

    friend class Menu;
};

class Menu
{
private:
    char* title;
    Menuitem* items;
    int identation = 0;
    int amount = 0;
};

If I will do delete[] items, will it also safely delete text that saved in items? Or do I need to delete them separetely?

Upvotes: 0

Views: 177

Answers (1)

R Sahu
R Sahu

Reputation: 206567

If I will do delete[] items, will it also safely delete text that saved in items?

Not with the posted code.

Or do I need to delete them separetely?

Yes.

If you are attempting to learn how memory allcoation/deallocation works, it's good to understand the issues and learn how to use new and delete properly. It is essential to know about The Rule of Three and adhere to it when you are managing dynamic memory.

If you are trying to get an application to working condition, it will be better to avoid using raw pointers. Use containers from the standard library.

class Menuitem
{
  private:
    std::string text;  // No char*

    friend class Menu;
};

class Menu
{
  private:
    std::string title;  // No char*
    std::vector<Menuitem> items; // No MenuItem*
    int identation = 0;
    int amount = 0;
};

Then, you have fewer problems to worry about in application code.

Upvotes: 3

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