at a state of not working

bintree.c

@@ -1,6 +1,9 @@
 #include <string.h>
 #include "stack.h"
 #include "bintree.h"
+#include <stdio.h>
+
+StackNode *stackRoot = NULL;//Generates a new, empty stack for next tree data
 
 //TODO: binären Suchbaum implementieren
 /*  * `addToTree`: fügt ein neues Element in den Baum ein (rekursiv),
@@ -12,12 +15,17 @@
 // if isDuplicate is NULL, otherwise ignores duplicates and sets isDuplicate to 1 (or to 0 if a new entry is added).
 TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFctType compareFct, int *isDuplicate)
 {
+	printf("Sind in add to tree. Root ist: %d\n", root);
 	if(!root)
 	{
 		//root = malloc(sizeof(TreeNode));
+		printf("NULL detected\n");
 		TreeNode *newNode = malloc(sizeof(TreeNode));
+		printf("Node Allocated\n");
 		newNode->data = malloc(dataSize);
+		printf("data allcoated\n");
 		strcpy(newNode->data, data);
+		printf("data pasted\n");
 		if(isDuplicate)
 			*isDuplicate = 0;
 		return newNode;
@@ -47,26 +55,16 @@ TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFc
 // push the top node and push all its left nodes.
 void *nextTreeData(TreeNode *root)
 {
-	StackNode *stackRoot = NULL;//Generates a new, empty stack
+	if(root)
-	stackRoot = iterateThroughTree(root, stackRoot); //Fills the stack via the helping function iterateThroughTree
-	StackNode * tempBuffer = pop(stackRoot);
-	clearStack(stackRoot);
-	return tempBuffer;
-}
-
-//Function to aid nextTreeData
-StackNode *iterateThroughTree(TreeNode *root, StackNode *stackRoot)
-{
-	if(!root)
 	{
-		return stackRoot;
+		stackRoot = push(root->data, stackRoot);
+		nextTreeData(root->left);
+		nextTreeData(root->right);
 	}
-	stackRoot = iterateThroughTree(root->left, stackRoot);
-	stackRoot = push(stackRoot, root->data);
-	stackRoot = iterateThroughTree(root->right, stackRoot);
 	return stackRoot;
 }
 
+
 // Releases all memory resources (including data copies).
 void clearTree(TreeNode *root)
 {

highscore.c

@@ -66,7 +66,9 @@ void loadHighscores(const char *path)
             if(name != NULL && scoreStr != NULL)
             {
                 HighscoreEntry entry = createHighscoreEntry(name, strtol(scoreStr, NULL, 10));
+			printf("Pre Tree");
                 highscoreTree = addToTree(highscoreTree, &entry, sizeof(entry), compareHighscoreEntries, NULL);
+			printf("Post Tree");
             }
         }
 

main.c

@@ -77,7 +77,6 @@ int main(int argc, char *argv[])
         }
         else
             printf("Leider ist %u nicht korrekt. Richtig waere %u gewesen.\n", userInput, duplicate);
-
         loadHighscores(highscorePath);
         showHighscores();
         saveHighscores(highscorePath);