From e796a57f14f14ddadce7bf766768c2697ea4a1fa Mon Sep 17 00:00:00 2001
From: "roberto@quantal64" <roberto@quantal64>
Date: Sun, 17 Jun 2012 13:10:34 +0200
Subject: [PATCH] fixed WSGI headers sending in websocket mode

---
 plugins/python/wsgi_headers.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plugins/python/wsgi_headers.c b/plugins/python/wsgi_headers.c
index 10cbf3ad..8bc63cac 100644
--- a/plugins/python/wsgi_headers.c
+++ b/plugins/python/wsgi_headers.c
@@ -253,6 +253,8 @@ PyObject *py_uwsgi_spit(PyObject * self, PyObject * args) {
 
 int uwsgi_python_do_send_headers(struct wsgi_request *wsgi_req) {
 
+	if (!wsgi_req->headers_hvec) return 0;
+
 #ifdef __sun__
         int remains = wsgi_req->headers_hvec + 1;
         int iov_size;