From 8865768576ac5f83527a894f22d0b3d1b0ae433b Mon Sep 17 00:00:00 2001
From: XeonSquared <redtailedairways@gmail.com>
Date: Mon, 13 Jul 2020 00:58:19 +1000
Subject: [PATCH] made libmtar cope with lower memory systems at the expense of
 speed

---
 lib/libmtar.lua | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/libmtar.lua b/lib/libmtar.lua
index acf5a18..9782336 100644
--- a/lib/libmtar.lua
+++ b/lib/libmtar.lua
@@ -43,7 +43,9 @@ function mtar.iter(stream) -- table -- function -- Given buffer *stream*, return
   return rb
  end
  return function()
-  stream:read(remain)
+  while remain > 0 do
+   remain=remain-#stream:read(math.min(remain,2048))
+  end
   local nlen = toint(stream:read(2) or "\0\0")
   if nlen == 0 then
    return