From a8478fc8d3ee5ca8ad6264b18ca2896298c33a65 Mon Sep 17 00:00:00 2001
From: Marc Hoersken <info@marc-hoersken.de>
Date: Tue, 26 Jun 2012 07:27:02 +0200
Subject: [PATCH] sockaddr.h: Fixed dereferencing pointer breakin
 strict-aliasing

Fixed warning: dereferencing pointer does break strict-aliasing rules
by using a union inside the struct Curl_sockaddr_storage declaration.
---
 lib/sockaddr.h | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/lib/sockaddr.h b/lib/sockaddr.h
index c69411b52..440eb0a97 100644
--- a/lib/sockaddr.h
+++ b/lib/sockaddr.h
@@ -24,14 +24,19 @@
 
 #include "setup.h"
 
-#ifdef HAVE_STRUCT_SOCKADDR_STORAGE
 struct Curl_sockaddr_storage {
-  struct sockaddr_storage buffer;
-};
-#else
-struct Curl_sockaddr_storage {
-  char buffer[256];   /* this should be big enough to fit a lot */
-};
+  union {
+    struct sockaddr sa;
+    struct sockaddr_in sa_in;
+#ifdef ENABLE_IPV6
+    struct sockaddr_in6 sa_in6;
 #endif
+#ifdef HAVE_STRUCT_SOCKADDR_STORAGE
+    struct sockaddr_storage sa_stor;
+#else
+    char cbuf[256];   /* this should be big enough to fit a lot */
+#endif
+  } buffer;
+};
 
 #endif /* __SOCKADDR_H */