From 1fd21c48bb29cdce8147f0fb53b2ad02a6130104 Mon Sep 17 00:00:00 2001
From: Ruslan Ermilov <ru@nginx.com>
Date: Tue, 17 Jul 2012 04:47:34 +0000
Subject: [PATCH] Fixed sorting of listen addresses so that wildcard address is
 always at the end (closes #187).  Failure to do so could result in several
 listen sockets to be created instead of only one listening on wildcard
 address.

Reported by Roman Odaisky.
---
 src/http/ngx_http.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/http/ngx_http.c b/src/http/ngx_http.c
index 3e077fb95..f1f8a48e0 100644
--- a/src/http/ngx_http.c
+++ b/src/http/ngx_http.c
@@ -1613,6 +1613,11 @@ ngx_http_cmp_conf_addrs(const void *one, const void *two)
         return 1;
     }
 
+    if (second->opt.wildcard) {
+        /* a wildcard address must be the last resort, shift it to the end */
+        return -1;
+    }
+
     if (first->opt.bind && !second->opt.bind) {
         /* shift explicit bind()ed addresses to the start */
         return -1;