Is it safe to return a struct in C or C++?

Question

What I understand is that this shouldn\'t be done, but I believe I\'ve seen examples that do something like this (note code is not necessarily syntactically correct but the

Answer 1

It is not safe to return a structure. I love to do it myself, but if someone will add a copy constructor to the returned structure later, the copy constructor will be called. This might be unexpected and can break the code. This bug is very difficult to find.

I had more elaborate answer, but moderator did not like it. So, at your expence, my tip is short.