Add list_size_ptr() function

Author: adazem009

src/scratch/list_functions.cpp

@@ -42,4 +42,9 @@ extern "C"
     {
         return list->size();
     }
+
+    size_t *list_size_ptr(List *list)
+    {
+        return list->sizePtr();
+    }
 }

src/scratch/list_functions.h

@@ -20,6 +20,7 @@ extern "C"
 
     ValueData *list_get_item(List *list, size_t index);
     ValueData *list_data(List *list);
+    size_t *list_size_ptr(List *list);
     size_t list_size(List *list);
 }
 

test/scratch_classes/list_functions_test.cpp

@@ -99,6 +99,19 @@ TEST(ListFunctionsTest, Data)
     ASSERT_EQ(data, list.data());
 }
 
+TEST(ListFunctionsTest, SizePtr)
+{
+    List list("", "");
+    list.append("Lorem");
+    list.append("ipsum");
+    list.append("dolor");
+    list.append("sit");
+    list.append("amet");
+
+    size_t *sizePtr = list_size_ptr(&list);
+    ASSERT_EQ(sizePtr, list.sizePtr());
+}
+
 TEST(ListFunctionsTest, Size)
 {
     {