lib/socket: fix enlarge buffer when size is at 0

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/socket/socket.nit b/lib/socket/socket.nit
index a665b41..251c78a 100644 (file)
--- a/lib/socket/socket.nit
+++ b/lib/socket/socket.nit
@@ -182,7 +182,7 @@ class TCPStream
 
        fun enlarge(len: Int) do
                if _buffer_capacity >= len then return
-               while _buffer_capacity < len do _buffer_capacity *= 2
+               while _buffer_capacity < len do _buffer_capacity = _buffer_capacity * 2 + 2
                var ns = new NativeString(_buffer_capacity)
                _buffer.copy_to(ns, _buffer_length - _buffer_pos, _buffer_pos, 0)
                _buffer = ns