From 431de671a29b312bd19e615bd4bd99228b0c8b13 Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Tue, 16 Nov 2010 13:51:24 -0800
Subject: preread_input: no-op for non-rewindable "rack.input"

We may get "rack.input" objects that are not rewindable
in the future, so be prepared for those and do no harm.
---
 lib/unicorn/preread_input.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/unicorn/preread_input.rb b/lib/unicorn/preread_input.rb
index ec83cb2..7a315b7 100644
--- a/lib/unicorn/preread_input.rb
+++ b/lib/unicorn/preread_input.rb
@@ -20,7 +20,7 @@ class PrereadInput
   def call(env)
     buf = ""
     input = env["rack.input"]
-    if buf = input.read(16384)
+    if input.respond_to?(:rewind)
       true while input.read(16384, buf)
       input.rewind
     end
-- 
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