makefile

@@ -35,10 +35,8 @@ $(program_obj_filesobj_files): %.o: %.c
 # --------------------------
 # Unit Tests
 # --------------------------
-unitTestsStack: stack.o test_stack.c $(unityfolder)/unity.c
-	$(CC) $(FLAGS) -I$(unityfolder) $^ -o $@
-
-
+unitTests:
+	echo "needs to be implemented"
 
 # --------------------------
 # Clean

test_stack.c

@@ -39,7 +39,7 @@ void test_push_and_top(void)
 
     TEST_ASSERT_EQUAL_INT(30, *(int*)top(stack));
 
-    clearStack(stack);
+    clearStack(&stack);
     TEST_ASSERT_NULL(stack);
 }
 
@@ -72,7 +72,7 @@ void test_clearStack(void)
     stack = push(stack, &x);
     stack = push(stack, &y);
 
-    clearStack(stack);
+    clearStack(&stack);
 
     TEST_ASSERT_NULL(stack);
 }