From af454b5bb09bf647b4854dc277f2eefc151b2608 Mon Sep 17 00:00:00 2001
From: Ben Laurie <ben@openssl.org>
Date: Fri, 8 Jun 2012 09:18:47 +0000
Subject: Reduce version skew.

---
 crypto/bio/bss_dgram.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'crypto/bio')

diff --git a/crypto/bio/bss_dgram.c b/crypto/bio/bss_dgram.c
index 1b1e4bec81..46cbe8a407 100644
--- a/crypto/bio/bss_dgram.c
+++ b/crypto/bio/bss_dgram.c
@@ -81,6 +81,16 @@
 #define IP_MTU      14 /* linux is lame */
 #endif
 
+#ifdef __FreeBSD__
+/* Standard definition causes type-punning problems. */
+#undef IN6_IS_ADDR_V4MAPPED
+#define s6_addr32 __u6_addr.__u6_addr32
+#define IN6_IS_ADDR_V4MAPPED(a)               \
+        (((a)->s6_addr32[0] == 0) &&          \
+         ((a)->s6_addr32[1] == 0) &&          \
+         ((a)->s6_addr32[2] == htonl(0x0000ffff)))
+#endif
+
 #ifdef WATT32
 #define sock_write SockWrite  /* Watt-32 uses same names */
 #define sock_read  SockRead
-- 
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