refactor to_bits

2015-04-06 17:37:16 +02:00 · 2015-04-06 17:37:16 +02:00 · 858b23b28d
parent 332517912d
commit 858b23b28d
1 changed files with 6 additions and 9 deletions
--- a/md5.lua
+++ b/md5.lua
@ -100,15 +100,12 @@ else
    -- to bits table
    local tbl = {}
    local cnt = 1
-    while (n > 0) do
-      local last = math.mod(n,2)
-      if(last == 1) then
-        tbl[cnt] = 1
-      else
-        tbl[cnt] = 0
-      end
-      n = (n-last)/2
-      cnt = cnt + 1
+    local last
+    while n > 0 do
+      last      = n % 2
+      tbl[cnt]  = last
+      n         = (n-last)/2
+      cnt       = cnt + 1
    end

    return tbl