From 295860936e5fcb87816bbb97a16e518c7d594238 Mon Sep 17 00:00:00 2001
From: vil02 <vil02@o2.pl>
Date: Wed, 13 Sep 2023 17:45:02 +0200
Subject: [PATCH] fix: add and use `delete_stack`

---
 data_structures/stack/dynamic_stack.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/data_structures/stack/dynamic_stack.c b/data_structures/stack/dynamic_stack.c
index 482896eabd..9f9147fb0e 100644
--- a/data_structures/stack/dynamic_stack.c
+++ b/data_structures/stack/dynamic_stack.c
@@ -192,6 +192,20 @@ int isempty(DArrayStack *ptr)
  */
 int stack_size(DArrayStack *ptr) { return ptr->top + 1; }
 
+/**
+* @brief Deallocates memory associated with a given DArrayStack.
+*
+* @param ptr Pointer to the stack structure to be deallocated.
+*/
+void delete_stack(DArrayStack *const ptr)
+{
+    if (ptr == NULL) {
+        return;
+    }
+    free(ptr->arrPtr);
+    free(ptr);
+}
+
 /**
  * @brief Self-test implementations
  * @returns void
@@ -237,6 +251,7 @@ static void test()
 
     printf("\nTesting POP operation on empty stack: ");
     assert(pop(NewStack) == -1);
+    delete_stack(NewStack);
 }
 
 /**