-- Useful constants
OCT_NEEDS_NETWORKING = 1;
OCT_NOT_NEEDS_NETWORKING = 0;
OCT_NEEDS_TERMBOX = 1;
OCT_NOT_NEEDS_TERMBOX = 0;

-- Load a sprite stored in a .txt file
function load_termbox_sprite(file_name)
   file = io.open(file_name, "r");
   io.input(file);
   local contents = io.read("*a");
   io.close(file);
   return contents;
end

-- 127.0.0.1 will come back as "localhost.localdomain"
-- I don't think my program can handle this, so just change it back
-- Keep this in a function in case we run into others
function convert_known_host_to_ip(host)
   if (host == "localhost.localdomain" or host == "localhost") then
	  return "127.0.0.1"
   end
   return host
end

-- taken from https://stackoverflow.com/questions/9168058/how-to-dump-a-table-to-console
function table_to_string(o)
   if type(o) == 'table' then
      local s = '{ '
      for k,v in pairs(o) do
         if type(k) ~= 'number' then k = '"'..k..'"' end
         s = s .. '['..k..'] = ' .. table_to_string(v) .. ','
      end
      return s .. '} '
   else
      return tostring(o)
   end
end