Remove support for legacy systems without in6addr_any

lib/isc/include/isc/platform.h.in

@@ -36,12 +36,6 @@
  */
 @ISC_PLATFORM_HAVESALEN@
 
-/*! \brief
- * If this system is missing in6addr_any, ISC_PLATFORM_NEEDIN6ADDRANY will
- * be defined.
- */
-@ISC_PLATFORM_NEEDIN6ADDRANY@
-
 /*! \brief
  * If this system is missing in6addr_loopback, ISC_PLATFORM_NEEDIN6ADDRLOOPBACK
  * will be defined.

lib/isc/unix/include/isc/net.h

@@ -80,21 +80,6 @@
 #include <isc/lang.h>
 #include <isc/types.h>
 
-#ifndef IN6ADDR_ANY_INIT
-#ifdef s6_addr
-/*%
- * Required for some pre RFC2133 implementations.
- * IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT were added in
- * draft-ietf-ipngwg-bsd-api-04.txt or draft-ietf-ipngwg-bsd-api-05.txt.
- * If 's6_addr' is defined then assume that there is a union and three
- * levels otherwise assume two levels required.
- */
-#define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
-#else
-#define IN6ADDR_ANY_INIT { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } }
-#endif
-#endif
-
 #ifndef IN6ADDR_LOOPBACK_INIT
 #ifdef s6_addr
 /*% IPv6 address loopback init */
@@ -208,14 +193,6 @@ struct sockaddr_storage {
 };
 #endif
 
-#if defined(ISC_PLATFORM_NEEDIN6ADDRANY)
-extern const struct in6_addr isc_net_in6addrany;
-/*%
- * Cope with a missing in6addr_any and in6addr_loopback.
- */
-#define in6addr_any isc_net_in6addrany
-#endif
-
 #if defined(ISC_PLATFORM_NEEDIN6ADDRLOOPBACK)
 extern const struct in6_addr isc_net_in6addrloop;
 #define in6addr_loopback isc_net_in6addrloop

lib/isc/unix/net.c

@@ -93,10 +93,6 @@
 
 #endif /* HAVE_SYSCTLBYNAME */
 
-#if defined(ISC_PLATFORM_NEEDIN6ADDRANY)
-const struct in6_addr isc_net_in6addrany = IN6ADDR_ANY_INIT;
-#endif
-
 #if defined(ISC_PLATFORM_NEEDIN6ADDRLOOPBACK)
 const struct in6_addr isc_net_in6addrloop = IN6ADDR_LOOPBACK_INIT;
 #endif

lib/isc/win32/ipv6.c

@@ -14,8 +14,5 @@
 #include <isc/net.h>
 #include <isc/platform.h>
 
-LIBISC_EXTERNAL_DATA const struct in6_addr isc_in6addr_any =
-	IN6ADDR_ANY_INIT;
-
 LIBISC_EXTERNAL_DATA const struct in6_addr isc_in6addr_loopback =
 	IN6ADDR_LOOPBACK_INIT;

lib/isc/win32/net.c

@@ -40,10 +40,6 @@
 #define ISC_NET_PORTRANGEHIGH 65535
 #endif	/* ISC_NET_PORTRANGEHIGH */
 
-#if defined(ISC_PLATFORM_NEEDIN6ADDRANY)
-const struct in6_addr isc_net_in6addrany = IN6ADDR_ANY_INIT;
-#endif
-
 static isc_once_t 	once = ISC_ONCE_INIT;
 static isc_once_t 	once_ipv6only = ISC_ONCE_INIT;
 static isc_once_t 	once_ipv6pktinfo = ISC_ONCE_INIT;