#!/usr/bin/python
from ctypes import *


class memory_chunk(object):
	def __init__(self,size,prev,next,mem):
		self.prev = prev
		self.next = next
		self.mem  = c_char_p(mem)
		self.size = size

class chunks(object):
	head = None
	tail = None

	def memcopy(src,dest,size,test):
		if(len(src)<=size):
			dest = src
		else:
			return "failure occured: size = %d =< %d" % (len(src),size)
		return dest

	def alloc(self,size):
		new_chunk = memory_chunk(size,None,None,"NULL")
		if self.head is None:
			self.head = self.tail = new_chunk
		else:
			new_chunk.prev = self.tail
			new_chunk.next = None
			self.tail.next = new_chunk
			self.tail = new_chunk

	def binning(self):
		current_chunk = self.head
		while current_chunk is not None:
			return current_chunk.mem
			current_chunk = current_chunk.next

	def __init__(self):
		self.alloc(10)
		pointer(self.binning())[0] = 0x41414141
		hex(id(pointer(self.binning())[0]))
			

spawn = chunks()