From: Ben Laurie <ben@openssl.org>
Date: Fri, 18 May 2012 12:40:28 +0000 (+0000)
Subject: Work around macro issue with FreeBSD and gcc 4.6.
X-Git-Tag: OpenSSL_1_0_2-beta1~623
X-Git-Url: https://git.openssl.org/?p=openssl.git;a=commitdiff_plain;h=0de5a0feeef1e43aa080189c25af691448a2d860

Work around macro issue with FreeBSD and gcc 4.6.
---

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