Add solution for clear archive (bst).

09_bst/main.c

@@ -28,13 +28,13 @@ int main()
     printf("\nNames in archive:\n");
     printNames();
     printf("\n");
-
+*/
     printf("Clearing archive ...\n");
     clearArchive();
     
     printf("\nNames in archive:\n");
     printNames();
-    printf("\n");*/
+    printf("\n");
 
     return EXIT_SUCCESS;
 }

09_bst/namesarchive.c

@@ -69,12 +69,6 @@ void printNames()
     printNamesRec(root);
 }
 /*
-static void disposeElem(QueueElem *elem)
-{
-    if(elem != NULL)
-        free(elem->name);
-    free(elem);
-}
 
 static QueueElem *removeElemRek(QueueElem *elem, const char *name)
 {
@@ -96,19 +90,27 @@ void removeName(const char *name)
 {
     head = removeElemRek(head, name);
 }
+*/
 
-static void clearElemRek(QueueElem *elem)
+static void disposeNode(Node *node)
 {
-    if(elem != NULL)
+    if(node != NULL)
+        free(node->name);
+    free(node);
+}
+
+static void clearNodeRec(Node *node)
+{
+    if(node != NULL)
     {
-        clearElemRek(elem->next);
-        disposeElem(elem);
+        clearNodeRec(node->left);
+        clearNodeRec(node->right);
+        disposeNode(node);
     }
 }
 
 void clearArchive()
 {
-    clearElemRek(head);
-    head = NULL;
+    clearNodeRec(root);
+    root = NULL;
 }
-*/