How to make a copy of a Class that is passed by a pointer.

[maguiver77]

I have a function that is passing a class by pointer.

void showPassengers(CQueue*);

in my function I have it called q. I need to make a copy of it so I can manipulate the data and not mess with the original.

MAIN

CQueue qPassengers[LINES];

showPassengers(qPassengers);


IN THE FUNCTION

i was trying to do something like this. But it doesnt work.
Any suggestions. Thanks

void showPassengers(CQueue *q)
{


CQueue *copy_q = new CQueue (*q);

memcpy(copy_q, q);

[weaknessforcats]

You make a copy of a C++ object this way:

CQueue obj;
 
CQueue thecopy(obj);

This is a call to the class copy constructor.

In your code this looks like exactly what you have written...without the memcpy, of course.

All those C mem... functions need to be avoided since they have no idea how the memory is structured.