From f108b28038d519db51f0453217af6f25381e1265 Mon Sep 17 00:00:00 2001
From: Maxim Dounin <mdounin@mdounin.ru>
Date: Wed, 4 Sep 2013 21:17:01 +0400
Subject: [PATCH] Fixed incorrect response line on "return 203".

Reported by Weibin Yao,
http://mailman.nginx.org/pipermail/nginx-devel/2013-April/003607.html.
---
 src/http/ngx_http_header_filter_module.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/http/ngx_http_header_filter_module.c b/src/http/ngx_http_header_filter_module.c
index 707a81313..875177b46 100644
--- a/src/http/ngx_http_header_filter_module.c
+++ b/src/http/ngx_http_header_filter_module.c
@@ -270,6 +270,12 @@ ngx_http_header_filter(ngx_http_request_t *r)
             len += NGX_INT_T_LEN;
             status_line = NULL;
         }
+
+        if (status_line && status_line->len == 0) {
+            status = r->headers_out.status;
+            len += NGX_INT_T_LEN;
+            status_line = NULL;
+        }
     }
 
     clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);