Returning a Pointer to a Local Variable in C
When attempting to return a pointer to a local variable in C , it's essential to consider the variable's lifetime. By default, local variables are destroyed upon function exit, making their memory unavailable to the caller. To overcome this issue, alternative approaches must be employed.
One solution involves using smart pointers. Smart pointers are objects that manage the allocation and deallocation of memory, ensuring the memory remains accessible even after the function returns. For instance, consider the following code:
unique_ptr<int> count() { unique_ptr<int> value(new int(5)); return value; }
Here, a unique_ptr
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