Yes, although it's not always your responsibility to do that. Firstly not all strings are on the heap, but ignoring that... If somebody passes you a pointer to

Yes, although it's not always your responsibility to do that. Firstly not all strings are on the heap, but ignoring that... If somebody passes you a pointer to a string and you aren't going to hold onto it for a while, you can just add to the pointer and it's no big deal. But yes, if you own the allocation, you need to keep the old pointer too.