aufräumen

.gitignore

@@ -6,3 +6,6 @@ runNumbersTest.exe
 numbers.o
 .vscode/launch.json
 .vscode/settings.json
+*.o
+*.exe
+runBintreeTest

bintree.c

@@ -45,18 +45,36 @@ void *nextTreeData(TreeNode *root)
 // Releases all memory resources (including data copies).
 void clearTree(TreeNode *root)
 {
+    if (root == NULL)
+    {
+        return;
+    }
     
+    if (root->left != NULL)
+    {
+        clearTree(root->left);
+        free(root->left);
+    }
+    else if (root->right != NULL)
+    {
+        clearTree(root->right);
+        free(root->right);
+    }
+    root->data = NULL;
 }
 
 // Returns the number of entries in the tree given by root.
 unsigned int treeSize(const TreeNode *root)
 {
-    int counter = 0;
-
-    if(root != NULL)
+    int counterL, counterR = 0;
+    if (root->left != NULL)
     {
-       treeSize(root->left);
-       counter++;
-       treeSize(root->right);
+        counterL = treeSize(root->left) + 1;
     }
+    else if (root->right != NULL)
+    {
+        counterR = treeSize(root->right) + 1;
+    }
+
+    return counterL + counterR;
 }

numbers.c

@@ -136,6 +136,11 @@ unsigned int getDuplicate(const unsigned int numbers[], unsigned int len)
   unsigned int temp[len];
   unsigned int duplicate = 0;
 
+  /*if(numbers == NULL || (sizeof(numbers) / sizeof(typeof(numbers)) != len))
+  {
+    return 0;S
+  }*/
+
   for (int i = 0; i < len; i++)
   {
     temp[i] = numbers[i];

test_bintree.c

@@ -4,7 +4,7 @@
 #include "unity.h"
 
 
-void sizeTest()
+void treeTest()
 {
     TreeNode root;
     TreeNode node1;
@@ -32,6 +32,10 @@ void sizeTest()
     TEST_ASSERT_EQUAL_INT(3,treeSize(&root));
 
 
+    clearTree(&root);
+    TEST_ASSERT_EQUAL_INT(0,treeSize(&root));
+
+    
 }
 
 void setUp(void)
@@ -50,7 +54,7 @@ int main()
 
     printf("============================\nNumbers tests\n============================\n");
 
-    RUN_TEST(sizeTest);
+    RUN_TEST(treeTest);
 
     return UNITY_END();
 }