How to wrap a function with variable length arguments?

Question

I am looking to do this in C/C++.

I came across Variable Length Arguments but this suggests a solution with Python & C using libffi.

Now, if I want to wr

Answer 1

I am also unsure what you mean by pure

In C++ we use

#include 
#include 

class Foo
{   void Write(const char* pMsg, ...);
};

void Foo::Write( const char* pMsg, ...)
{
    char buffer[4096];
    std::va_list arg;
    va_start(arg, pMsg);
    std::vsnprintf(buffer, 4096, pMsg, arg);
    va_end(arg);
    ...
}