From e8a13c44b011a73ea037b573e415032ce0fccca1 Mon Sep 17 00:00:00 2001
From: Bruno Bigras <bigras.bruno@gmail.com>
Date: Thu, 13 Feb 2014 12:06:10 -0500
Subject: [PATCH] Fix a strict-aliasing with type-punning

Fixes #880
---
 src/ip.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/ip.cpp b/src/ip.cpp
index a9559715..8d03f71d 100644
--- a/src/ip.cpp
+++ b/src/ip.cpp
@@ -145,7 +145,14 @@ int zmq::get_peer_ip_address (fd_t sockfd_, std::string &ip_addr_)
         return 0;
 
     ip_addr_ = host;
-    return (int) ((struct sockaddr *) &ss)->sa_family;
+
+    union {
+        struct sockaddr sa;
+        struct sockaddr_storage sa_stor;
+    } u;
+
+    u.sa_stor = ss;
+    return (int) u.sa.sa_family;
 }
 
 void zmq::set_ip_type_of_service (fd_t s_, int iptos)