Question

given a function with a variable number of parameters…

void function(int count,...)
{
...
}

how do i differentiate between pointers and data variables…
given i don’t know the types beforehand.
i.e

char *p=new char();
*p='v';
function(2,5,p);

how to know if p is a pointer so that it can be handled that way inside the function…
i.e if it were a pointer i would use *p else only p etc.
the function to be designed is thus going to be a general function,taking pointers and data ..

any type of answer is acceptable..
thank you in advance…

Answer 1

This is not possible using variable arguments. The type of the arguments must be known when calling va_arg.

One possible way to do this is pass pointers to self describing data like variants.