guess were doing link lists now, for real though

include/element_list.h

@@ -0,0 +1,17 @@
+#ifndef __ELEMENT_LIST_H__
+#define __ELEMENT_LIST_H__
+
+
+typedef struct element_list_node element_list_node_t;
+
+struct element_list_node {
+  element_list_node_t *first;
+  element_list_node_t *last;
+  element_list_node_t *next;
+  element_list_node_t *prev;
+  cfglr_element_t *element;
+};
+
+element_list_node_t *element_list_add(element_list_node_t *list, element_list_node_t *node);
+
+#endif

src/element_list.c

@@ -0,0 +1,21 @@
+#include "configulator.h"
+#include "element_list.h"
+
+
+element_list_node_t *element_list_add(element_list_node_t *list, element_list_node_t *node) {
+  element_list_node_t *last = list->last;
+
+  node->first = list->first;
+  node->prev = last;
+
+  last->next = node;
+
+  element_list_node_t *next = node;
+
+  while(next) {
+    next->last = node;
+    next = next->prev;
+  }
+
+  return node;
+}