From 81fbacabdc518ff67e7864dcf25ad9db2156a2c1 Mon Sep 17 00:00:00 2001
From: maxgrf <r9ky2wmtjf@privaterelay.appleid.com>
Date: Thu, 11 Dec 2025 11:47:05 +0100
Subject: [PATCH] bugfix bintree

---
 bintree.c |  16 +++++++++-------
 main.o    | Bin 0 -> 2616 bytes
 numbers.o | Bin 1921 -> 0 bytes
 stack.o   | Bin 0 -> 1291 bytes
 4 files changed, 9 insertions(+), 7 deletions(-)
 create mode 100644 main.o
 delete mode 100644 numbers.o
 create mode 100644 stack.o

diff --git a/bintree.c b/bintree.c
index 4fc5e59..1da97a8 100644
--- a/bintree.c
+++ b/bintree.c
@@ -80,31 +80,33 @@ void *nextTreeData(TreeNode *root)
 
         if (stack)
         {
-            freeStack(stack);
+            clearStack(&stack);
             stack = NULL;
         }
-
-        stack = createStack();
+        //leeren Stack initialisieren
+        stack = NULL;
 
         // alle linken Knoten vom Wurzelknoten pushen
         currentNode = root;
         while (currentNode)
         {
-            push(stack, currentNode);
+            stack = push(stack, currentNode);
             currentNode = currentNode->left;
         }
     }
     // Stack ist leer, keine Daten mehr
-    if (!stack || isEmpty(stack))
+    if (!stack)
         return NULL;
 
-    TreeNode *newNode = pop(stack); // nächster Knoten
+    TreeNode *newNode = (TreeNode *)top(stack);
+    // Stack-Knoten entfernen
+    stack = pop(stack);
 
     // Wenn rechter Teilbaum vorhanden → alle linken Knoten pushen
     currentNode = newNode->right;
     while (currentNode)
     {
-        push(stack, currentNode);
+        stack = push(stack, currentNode);
         currentNode = currentNode->left;
     }
     return newNode->data; // Daten zurückgeben
diff --git a/main.o b/main.o
new file mode 100644
index 0000000000000000000000000000000000000000..a5219dec467c2f6498c84d6068a1c1cd2ce3c3de
GIT binary patch
literal 2616
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literal 0
HcmV?d00001

diff --git a/numbers.o b/numbers.o
deleted file mode 100644
index 371b1587087fc1842858bac228053158150053c0..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 1921
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diff --git a/stack.o b/stack.o
new file mode 100644
index 0000000000000000000000000000000000000000..50cf531c905380fcac4ad70952698bc783634631
GIT binary patch
literal 1291
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literal 0
HcmV?d00001