Declare and explain global vars at start of program.

1 files changed, 11 insertions, 6 deletions

diff --git a/telem.lua b/telem.lua
index cbfee7f..1d545e7 100755
--- a/telem.lua
+++ b/telem.lua
@@ -11,11 +11,17 @@ table = require("table")
 
 _BBS_ROOT = "/var/bbs/"
 
-
--- TODO: This is, obviously, not secure and will need to be updated
-username = os.getenv("USER")
-
-current_board = ""
+-- Global var declarations
+-- (Not actually required by Lua, just here to make the design clear/explicit)
+
+username = os.getenv("USER")	-- TODO: This is, obviously, not secure and will need to be updated
+boards = {}			-- Array of board names, alphaetically sorted
+board_names = {}		-- Set of board names, must always be consistent with boards
+current_board = ""		-- String, name of current board, must be in boards and board_names
+current_board_threads = {}	-- Array of thread tables, containing threads associated with current_board
+current_thread = {}		-- Active thread table, always an element of current_board_threads
+current_thread_posts = {}	-- Array of post tables, containing posts associated with current_thread
+current_post_index = nil	-- Integer index into current_thread_posts
 
 function cat_file(filename)
 	io.input(filename)
@@ -316,7 +322,6 @@ end
 
 show_welcome()
 
-boards, board_names = {}, {}
 for board in lfs.dir(path.join(_BBS_ROOT, "boards")) do
 	if string.sub(board, 1, 1) ~= "." then
 		boards[board] = true