From c4c89a22f8f1ebc74a13a6ee75a8209081dcb535 Mon Sep 17 00:00:00 2001
From: Sean McArthur <sean.monstar@gmail.com>
Date: Tue, 4 Jul 2017 12:52:41 -0700
Subject: [PATCH] fix(server): do not automatically set ContentLength for 204
 and 304 Responses

---
 src/http/h1/parse.rs | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/http/h1/parse.rs b/src/http/h1/parse.rs
index 972acd352a..d0686eee23 100644
--- a/src/http/h1/parse.rs
+++ b/src/http/h1/parse.rs
@@ -131,9 +131,16 @@ impl Http1Transaction for ServerTransaction {
         body
     }
 
-    fn should_set_length(_head: &MessageHead<Self::Outgoing>) -> bool {
+    fn should_set_length(head: &MessageHead<Self::Outgoing>) -> bool {
         //TODO: pass method, check if method == HEAD
-        true
+
+        match head.subject {
+            // TODO: support for 1xx codes needs improvement everywhere
+            // would be 100...199 => false
+            StatusCode::NoContent |
+            StatusCode::NotModified => false,
+            _ => true,
+        }
     }
 }