Added a non-variadic version of linked_list_for_each.

src/headers/linked_list.h

@@ -274,4 +274,16 @@ int linked_list_remove_if(linked_list_t *linked_list, const condition_t conditio
 */
 int linked_list_for_each(const linked_list_t *linked_list, const action_t action, ...);
 
+/**
+ * @brief Apply an action to every elements in the list.
+ * The action can be anything that doesn't destroy the element.
+ *
+ * @param linked_list   Pointer to an linked list
+ * @param action        Action to apply
+ * @param args          Argument to pass to the action in the form of a va_list
+ *
+ * @return EXIT_SUCCESS, EXIT_FAILURE on error.
+*/
+int linked_list_for_eachv(const linked_list_t *linked_list, const action_t action, va_list args);
+
 #endif // LINKED_LIST_H

src/linked_list.c

@@ -478,3 +478,31 @@ int linked_list_for_each(const linked_list_t *linked_list, const action_t action
 
     return EXIT_SUCCESS;
 }
+
+int linked_list_for_eachv(const linked_list_t *linked_list, const action_t action, va_list args)
+{
+    assert("Linked list cannot be NULL" && linked_list);
+    assert("Action cannot be NULL" && action);
+
+    elem_t *current_elem = linked_list->first;
+
+    while(current_elem)
+    {
+        va_list args_copy;
+        va_copy(args_copy, args);
+
+        if(action(current_elem, args_copy))
+        {
+            va_end(args_copy);
+            va_end(args);
+
+            return EXIT_FAILURE;
+        }
+
+        va_end(args_copy);
+
+        current_elem = current_elem->next;
+    }
+
+    return EXIT_SUCCESS;
+}