- Use gai_strerror() where appropriate

- Clear hints before using them with getaddrinfo()
- Use sa_len on platforms that support them

src/net.h

@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: net.h,v 1.9.4.39 2002/02/18 16:25:16 guus Exp $
+    $Id: net.h,v 1.9.4.40 2002/02/20 22:15:32 guus Exp $
 */
 
 #ifndef __TINC_NET_H__
@@ -67,6 +67,12 @@ typedef union {
 
 #define SA_PORT(s) ((s.sa.sa_family==AF_INET)?s.in.sin_port:(s.sa.sa_family==AF_INET6)?s.in6.sin6_port:0)
 
+#ifdef HAVE_LINUX
+ #define SA_LEN(s) sizeof(sockaddr_t)
+#else
+ #define SA_LEN(s) (s.sa_len)
+#endif
+
 typedef struct vpn_packet_t {
   length_t len;			/* the actual number of bytes in the `data' field */
   unsigned int seqno;	        /* 32 bits sequence number (network byte order of course) */