nameserv: request SOCK_DGRAM socktype

Specify SOCK_DGRAM socktype instead of SOCK_STREAM in hints for
getaddrinfo() as chronyd is (and will mainly be) using the returned
addresses to open UDP sockets. This shouldn't make a difference in
practice, but it might avoid some confusion.

diff --git a/nameserv.c b/nameserv.c
index 90a65b19540d96e203e894280f91fd0e4fca5208..97b47f8897b707d320b430044164d107a2053e4c 100644 (file)
--- a/nameserv.c
+++ b/nameserv.c
@@ -69,7 +69,7 @@ DNS_Name2IPAddress(const char *name, IPAddr *ip_addrs, int max_addrs)
     default:
       hints.ai_family = AF_UNSPEC;
   }
-  hints.ai_socktype = SOCK_STREAM;
+  hints.ai_socktype = SOCK_DGRAM;
 
   result = getaddrinfo(name, NULL, &hints, &res);