xnu-2782.1.97.tar.gz

[apple/xnu.git] / bsd / netinet / in.h

diff --git a/bsd/netinet/in.h b/bsd/netinet/in.h
index a3f565e5717cf2238d0cdfa679f914bb87ebd620..53c43651726006b25d0f6beaede186c61ff376ca 100644 (file)
--- a/bsd/netinet/in.h
+++ b/bsd/netinet/in.h
@@ -791,6 +791,18 @@ struct in_pktinfo {
 #include <netinet6/in6.h>
 #undef __KAME_NETINET_IN_H_INCLUDED_
 
+#ifdef PRIVATE
+/* 
+ * Minimal sized structure to hold an IPv4 or IPv6 socket address
+ * as sockaddr_storage can waste memory
+ */
+union sockaddr_in_4_6 {
+       struct sockaddr         sa;
+       struct sockaddr_in      sin;
+       struct sockaddr_in6     sin6;
+};
+#endif /* PRIVATE */
+
 #ifdef KERNEL
 #ifdef BSD_KERNEL_PRIVATE
 #include <mach/boolean.h>