/r/learnprogramming post part 3

gistfile1.cpp

#include<iostream>
using namespace std;
// I had three types of structs. One contained another. That one contained an array of an other as well as a pointer to one.
struct Bar {
  int value1;
};
struct Foo {
  Bar bars[5];
  Bar *next;
};
struct Foobar {
  Foo foo;
};
 
// I also had a function that initialized them.
void Bar_initialize(Bar *bar, int v1) {
  bar->value1 = v1;
}
 
void Foo_initialize(Foo *foo) {
  for(int i = 0; i < 5; i++) {
    Bar_initialize(foo->bars + i, i);
  }
  // Create a new Bar in this function and set next to point to it
  Bar b;
  Bar_initialize(&b, 4);
  foo->next = &b;
}
 
// Fixed Foobar_initialize function from the last gist.
void Foobar_initialize(Foobar *fb) {
  Foo_initialize(&fb->foo);
}
 
// There were also other functions that did stuff with the structs
void print_foobar(Foobar *fb) {
  // Only looking at the next, not the things in bars
  cout << fb->foo.next->value1 << endl;
}
 
void do_something(Foobar *fb) {
  print_foobar(fb);
}
 
int main() {
  Foobar fb;
  Foobar_initialize(&fb);
  do_something(&fb);
}