6 files changed, 311 insertions, 0 deletions

diff --git a/linkedlist/list.c b/linkedlist/list.c
new file mode 100644
index 0000000..701cd5f
--- /dev/null
+++ b/linkedlist/list.c
@@ -0,0 +1,46 @@
+#include "list.h"
+
+void list_init(struct list** _listroot)
+{
+	if(*_listroot)
+		while(list_popFront(_listroot));
+
+	*_listroot = NULL;
+}
+
+void list_add(int _data, struct list** _listroot)
+{
+	struct list **current = _listroot;
+
+	while(*current)
+		current = &(*current)->next;
+
+	*current = malloc(sizeof(**current));
+	(*current)->data = _data; 
+}
+
+int list_popFront(struct list** _listroot)
+{
+	if(!*_listroot)
+		return 0;
+	
+	int data = (*_listroot)->data;
+	struct list *oldRoot = *_listroot;
+
+	*_listroot = (*_listroot)->next;
+	free(oldRoot);
+
+	return data;
+}
+
+int list_get(int _index, struct list** _listroot)
+{
+	struct list* current = *_listroot;
+
+	for(int i = 0; i < _index; i++)
+	{
+		current = current->next;
+	}
+
+	return current->data;
+}
diff --git a/linkedlist/list.h b/linkedlist/list.h
new file mode 100644
index 0000000..db9162b
--- /dev/null
+++ b/linkedlist/list.h
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+struct list
+{
+	struct list *next;
+	int data;
+};
+
+void list_init(struct list** _listroot);
+
+void list_add(int _data, struct list** _listroot);
+
+int list_popFront(struct list** _listroot);
+
+int list_get(int _index, struct list** _listroot);
diff --git a/linkedlist/main.c b/linkedlist/main.c
new file mode 100644
index 0000000..1d17923
--- /dev/null
+++ b/linkedlist/main.c
@@ -0,0 +1,165 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "stack.h"
+#include "list.h"
+
+struct node
+{
+	struct node* nextS;
+       	struct node* nextB;
+	int data;
+};
+
+struct node* root;
+
+struct node** getSmallest(struct node** _root)
+{
+	struct node** current = _root;
+
+	while((*current)->nextS)
+		current = &((*current)->nextS);
+
+	return current;
+}
+
+struct node removeNode(int _data)
+{
+	struct node **current = &root;
+	struct node *removeNode = NULL;
+	struct node **newRoot = NULL;
+	struct node returnNode;
+
+	while((*current)->data != _data)
+		current = (*current)->data < _data ? &(*current)->nextB : &(*current)->nextS;
+
+
+	printf("node to remove:%i\n", (*current)->data);
+	removeNode = *current;
+
+	if(removeNode->nextB)
+	{
+		newRoot = getSmallest(&removeNode->nextB);
+		*current = *newRoot;
+		*newRoot = (*newRoot)->nextB;
+
+		(*current)->nextS = removeNode->nextS;
+		(*current)->nextB = removeNode->nextB;
+	}
+	else
+		*current = (*current)->nextS;;
+
+	returnNode = *removeNode;
+	free(removeNode);
+
+	return returnNode;
+}
+
+void insert(int _data)
+{
+	struct node** current = &root;
+	struct node* new = malloc(sizeof(*new));
+
+	new->nextS = NULL;
+	new->nextB = NULL;
+	new->data=_data;
+
+	while (*current)
+		current = (*current)->data > _data ? &((*current)->nextS) : &((*current)->nextB);
+
+	*current = new; 
+}
+
+void draw(void)
+{
+	struct node* current = root;
+	struct node* stackTop = NULL;
+	struct stack* stackpointer = NULL;
+	int depth = 0;
+	
+	stack_init(&stackpointer);
+
+start:
+
+	while (current)
+	{
+		stack_add( (void*) current , &stackpointer);
+
+		int i;
+		for(i = 0; i < depth; i++)
+			printf(" ");
+
+		printf("|:%i\n", current->data);
+
+		current = current->nextS;
+		
+		depth++;	
+	}
+nextinstack:
+
+	stackTop = (struct node*)stack_get(&stackpointer);
+	if(!stackTop)
+		return;
+	
+	current = stackTop->nextB;
+
+	if(current)
+		goto start;
+	
+	depth --;
+	goto nextinstack;
+}
+
+void balance()
+{
+	struct node *current = root;
+	struct node *stackTop = NULL;
+	struct stack *stackpointer = NULL;
+	struct list *listroot = NULL;
+
+
+	stack_init(&stackpointer);
+	list_init(&listroot);
+
+	//Create Inorder List
+start:	
+	while(current)
+	{
+		stack_add( (void*) current, &stackpointer);
+		current = current->nextS;
+	}
+
+	stackTop = (struct stack*) stack_pop(&stackpointer);
+	stackTop ? current = stackTop->nextB :;
+	
+	if(current)
+	{
+		list_add(current->data, &listroot);
+		goto start;
+	}
+
+	//TODO Balance
+
+}
+
+int main(int argc, char* argv[])
+{
+	root = NULL;
+
+	insert(7);
+	insert(5);
+	insert(10);
+	insert(11);
+	insert(1);
+	
+	//draw();
+	balance();
+
+	printf("balanced");
+	//removeNode(7);
+
+	//draw();
+
+	printf("%i is the smallest obejct\n", (*getSmallest(&root))->data);
+	return 0;
+}
diff --git a/linkedlist/stack.c b/linkedlist/stack.c
new file mode 100644
index 0000000..de77b72
--- /dev/null
+++ b/linkedlist/stack.c
@@ -0,0 +1,38 @@
+#include "stack.h"
+
+void stack_add(void* _data, struct stack** _stackpointer)
+{
+	struct stack* newsp = malloc(sizeof(*newsp));
+
+	newsp->data = _data;
+	newsp->next = *_stackpointer;
+	*_stackpointer = newsp;
+}
+
+void* stack_get(struct stack** _stackpointer)
+{
+	void* return_data;
+	struct stack* oldsp; //Old stackpointer
+
+	if(!*_stackpointer)
+		return NULL;
+
+	return_data = (*_stackpointer)->data;
+	oldsp = *_stackpointer;
+	*_stackpointer = (*_stackpointer)->next;
+	free(oldsp);
+
+	return return_data;
+}
+
+void stack_init(struct stack** _stackpointer)
+{
+	stack_flush(_stackpointer);
+	*_stackpointer = NULL;
+}
+
+void stack_flush(struct stack** _stackpointer)
+{
+	while(*_stackpointer)
+		stack_get(_stackpointer);
+}
diff --git a/linkedlist/stack.h b/linkedlist/stack.h
new file mode 100644
index 0000000..d579da9
--- /dev/null
+++ b/linkedlist/stack.h
@@ -0,0 +1,18 @@
+//stack.h
+//
+
+#include <stdlib.h>
+
+struct stack
+{
+	struct stack* next;
+	void* data;
+};
+
+void stack_add(void* _data, struct stack** _stackpointer);
+
+void* stack_get(struct stack** _stackpointer);
+
+void stack_init(struct stack** _stackpointer);
+
+void stack_flush(struct stack** _stackpointer);
diff --git a/linkedlist/test.c b/linkedlist/test.c
new file mode 100644
index 0000000..9c138d4
--- /dev/null
+++ b/linkedlist/test.c
@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "list.h"
+
+int main(void)
+{
+	struct list* listroot = malloc(sizeof(*listroot));
+
+	list_init(&listroot);
+
+	for(int i = 0; i < 30; i++)
+	{
+		list_add(i, &listroot);
+	}
+
+	printf("list created, printing\n");
+
+	for(int i = 0; i < 30; i++)
+	{
+		printf("Round %i, ", i);
+		printf("Element %i\n", list_get(i, &listroot));
+	}
+
+	printf("\n");
+
+	return 0;
+}