Menu
How to check if memory to which pointer p points has been succesfully deallocated?
430
Deallocation of memory by the Operating System (OS) is a way to free the Random Access Memory (RAM) of finished processes and allocate new ones. We all know that the computer memory comes with a specific size.
How is memory allocated/deallocated in C++? C uses the malloc() and calloc() function to allocate memory dynamically at run time and uses a free() function to free dynamically allocated memory.
In C++ when we want to allocate memory from the free-store (or we may call it heap) we use the new operator. int *ptr = new int; and to deallocate we use the delete operator.
When we use the dynamic memory allocation techniques for memory allocations, then this is done in the actual heap section. It creates one word larger than the requested size. This extra word is used to store the size. This size is used by free() when it wants to clear the memory space.
Exception handling. I.e. try/catch blocks.
143
In few words: you can't.
Check out tools like Valgrind to help you debugging memory leaks issues.
Some other things you should consider:
delete has no effect,vector, ...) instead of rolling your own,
23
If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With
