Remove dead USE_TCPIP_FOR_DNS code.

svn path=/branches/BRANCH_6-3/; revision=5103

1 files changed, 0 insertions, 18 deletions

diff --git a/fetchmail.c b/fetchmail.c
index d6b9420b..7abdb1e0 100644
--- a/fetchmail.c
+++ b/fetchmail.c
@@ -667,20 +667,6 @@ int main(int argc, char **argv)
 	    report(stderr, GT_("attempt to re-exec fetchmail failed\n"));
 	}
 
-#if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
-	/*
-	 * This was an efficiency hack that backfired.  The theory
-	 * was that using TCP/IP for DNS queries would get us better
-	 * reliability and shave off some per-UDP-packet costs.
-	 * Unfortunately it interacted badly with diald, which effectively 
-	 * filters out DNS queries over TCP/IP for reasons having to do
-	 * with some obscure Linux kernel problem involving bootstrapping of
-	 * dynamically-addressed links.  I don't understand this mess
-	 * and don't want to, so it's "See ya!" to this hack.
-	 */
-	sethostent(TRUE);	/* use TCP/IP for mailserver queries */
-#endif /* HAVE_RES_SEARCH */
-
 #ifdef HAVE_RES_SEARCH
 	/* Boldly assume that we also have res_init() if we have
 	 * res_search(), and call res_init() to re-read the resolv.conf
@@ -805,10 +791,6 @@ int main(int argc, char **argv)
 		}
 	    }
 
-#if defined(HAVE_RES_SEARCH) && defined(USE_TCPIP_FOR_DNS)
-	endhostent();		/* release TCP/IP connection to nameserver */
-#endif /* HAVE_RES_SEARCH */
-
 	/* close connections cleanly */
 	terminate_poll(0);