Monday 26 September 2016

c - how does free know the size of memory to be freed?







How does free() know how much memory to be free'd which was earlier allocated by malloc() or calloc()? I mean, both of these functions receive size as parameters, while free only needs the pointer to allocated memory. Then how does free() know that how much to free?

-

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)

c++ - Does curly brackets matter for empty constructor?

Those brackets declare an empty, inline constructor. In that case, with them, the constructor does exist, it merely does nothing more than t...