From 5deaf21a614920eb126050f9b704b628081edbae Mon Sep 17 00:00:00 2001
From: regis37 <regis.tsafack@yahoo.com>
Date: Wed, 26 Nov 2025 22:56:13 +0100
Subject: [PATCH] function pop is done

---
 stack.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/stack.c b/stack.c
index 232a2b6..016ff5b 100644
--- a/stack.c
+++ b/stack.c
@@ -22,18 +22,20 @@ return newNode;
 // freed by caller.)
 StackNode *pop(StackNode *stack)
 {
+    if (stack == NULL)
+        return NULL;
 
+    StackNode *next = stack->next;
+    free(stack);
+    return next;
 }
 
 // Returns the data of the top element.
 void *top(StackNode *stack)
 {
 if (stack == NULL)
-    return NULL;
-
-StackNode *next = stack->next;
-free(stack);
-return next;
+  return NULL;
+return stack->data;
 }
 
 // Clears stack and releases all memory.