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Tag: memory management

Does the free function make a pointer NULL in C?

Ken Gregg May 20, 2019January 29, 2021

No, it doesn’t. The free library function places the specified block of memory back onto the heap’s free list (at least conceptually…actual implementation details can vary). But the free function doesn’t have access to the memory containing the pointer, because …

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The C Programming Language

Why don’t they add a garbage collector to new versions of C and C++?

Ken Gregg January 17, 2019January 29, 2021

Let’s start by considering C++. As an opt-in option in C++, it is technically possible to add garbage collection to C++, as long as it is clearly specified how it integrates with the language and with the existing memory management …

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C and C++ Languages

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