fix memory leaks

src/memory.cpp

@@ -1,9 +1,34 @@
 #include "memory.h"
 #include "color.h"
+#include "types.h"
+#include <curses.h>
 #include <iostream>
+#include <menu.h>
 #include <ncurses.h>
 #include <panel.h>
 
+template <typename T> struct NcursesDeleter {
+  static void delete_element(T obj);
+};
+
+template <> void NcursesDeleter<WINDOW *>::delete_element(WINDOW *win) {
+  delwin(win);
+}
+template <> void NcursesDeleter<PANEL *>::delete_element(PANEL *pan) {
+  del_panel(pan);
+}
+template <> void NcursesDeleter<ITEM *>::delete_element(ITEM *item) {
+  free_item(item);
+}
+
+template <typename T> void delete_ncurses_arrays(void *ptr, std::size_t size) {
+  T *array = static_cast<T *>(ptr);
+  for (std::size_t j = 0; j < size; ++j) {
+    NcursesDeleter<T>::delete_element(array[j]);
+  }
+  delete[] array;
+}
+
 void delete_all(std::vector<allocation> *allocated) {
   if (allocated == nullptr) {
     return;
@@ -11,27 +36,26 @@ void delete_all(std::vector<allocation> *allocated) {
   for (long long i = allocated->size() - 1; i >= 0; i--) {
     switch (allocated->at(i).type) {
     case WINDOW_ARRAY: {
-      WINDOW **windows = static_cast<WINDOW **>(allocated->at(i).ptr);
-      for (std::size_t j = 0; j < allocated->at(i).size; j++) {
-        delwin(windows[j]);
-      }
-      delete[] windows;
+      delete_ncurses_arrays<WINDOW *>(allocated->at(i).ptr,
+                                      allocated->at(i).size);
       break;
     }
     case PANEL_ARRAY: {
-      PANEL **panels = static_cast<PANEL **>(allocated->at(i).ptr);
-      for (std::size_t j = 0; j < allocated->at(i).size; j++) {
-        del_panel(panels[j]);
-      }
-      delete[] panels;
+      delete_ncurses_arrays<PANEL *>(allocated->at(i).ptr,
+                                     allocated->at(i).size);
       break;
     }
     case ITEM_ARRAY: {
-      ITEM **items = static_cast<ITEM **>(allocated->at(i).ptr);
-      for (std::size_t j = 0; j < allocated->at(i).size; j++) {
-        free_item(items[j]);
+      delete_ncurses_arrays<ITEM *>(allocated->at(i).ptr,
+                                    allocated->at(i).size);
+      break;
+    }
+    case CHAR_PTR_ARRAY: {
+      char **array = static_cast<char **>(allocated->at(i).ptr);
+      for (std::size_t j = 0; j < allocated->at(i).size; ++j) {
+        delete[] array[j];
       }
-      delete[] items;
+      delete[] array;
       break;
     }
     case GENERIC_ARRAY:
@@ -46,6 +70,15 @@ void delete_all(std::vector<allocation> *allocated) {
     case MENU_TYPE:
       free_menu(static_cast<MENU *>(allocated->at(i).ptr));
       break;
+    case COMPLETE_MENU_TYPE: {
+      free_menu(static_cast<complete_menu *>(allocated->at(i).ptr)->menu);
+      delwin(static_cast<complete_menu *>(allocated->at(i).ptr)->win);
+      delete_ncurses_arrays<ITEM *>(
+          static_cast<complete_menu *>(allocated->at(i).ptr)->items,
+          static_cast<complete_menu *>(allocated->at(i).ptr)->items_size);
+
+      break;
+    }
     case GENERIC_TYPE:
       delete static_cast<char *>(allocated->at(i).ptr);
       break;