receive flow processing

[exim.git] / src / src / smtp_out.c

diff --git a/src/src/smtp_out.c b/src/src/smtp_out.c
index 88dde8301fd694574388ec0ec14c36df827853fd..6b4843175359c95b8b9df7f47ff40b58a404a530 100644 (file)
--- a/src/src/smtp_out.c
+++ b/src/src/smtp_out.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2015 */
+/* Copyright (c) University of Cambridge 1995 - 2016 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* A number of functions for driving outgoing SMTP calls. */
@@ -26,7 +26,6 @@ Arguments:
                which case the function does nothing
   host_af    AF_INET or AF_INET6 for the outgoing IP address
   addr       the mail address being handled (for setting errors)
-  changed    if not NULL, set TRUE if expansion actually changed istring
   interface  point this to the interface
   msg        to add to any error message
 
@@ -36,7 +35,7 @@ Returns:     TRUE on success, FALSE on failure, with error message
 
 BOOL
 smtp_get_interface(uschar *istring, int host_af, address_item *addr,
-  BOOL *changed, uschar **interface, uschar *msg)
+  uschar **interface, uschar *msg)
 {
 const uschar * expint;
 uschar *iface;
@@ -54,8 +53,6 @@ if (expint == NULL)
   return FALSE;
   }
 
-if (changed != NULL) *changed = expint != istring;
-
 while (isspace(*expint)) expint++;
 if (*expint == 0) return TRUE;
 
@@ -158,7 +155,7 @@ int sock;
 int on = 1;
 int save_errno = 0;
 
-#ifdef EXPERIMENTAL_EVENT
+#ifndef DISABLE_EVENT
 deliver_host_address = host->address;
 deliver_host_port = port;
 if (event_raise(tb->event_action, US"tcp:connect", NULL)) return -1;
@@ -168,7 +165,9 @@ if ((sock = ip_socket(SOCK_STREAM, host_af)) < 0) return -1;
 
 /* Set TCP_NODELAY; Exim does its own buffering. */
 
-setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (uschar *)(&on), sizeof(on));
+if (setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, US &on, sizeof(on)))
+  HDEBUG(D_transport|D_acl|D_v)
+    debug_printf("failed to set NODELAY: %s ", strerror(errno));
 
 /* Set DSCP value, if we can. For now, if we fail to set the value, we don't
 bomb out, just log it and continue in default traffic class. */
@@ -270,7 +269,7 @@ int
 smtp_connect(host_item *host, int host_af, int port, uschar *interface,
   int timeout, transport_instance * tb)
 {
-#ifdef EXPERIMENTAL_SOCKS
+#ifdef SUPPORT_SOCKS
 smtp_transport_options_block * ob =
   (smtp_transport_options_block *)tb->options_block;
 #endif
@@ -290,7 +289,7 @@ HDEBUG(D_transport|D_acl|D_v)
   {
   uschar * s = US" ";
   if (interface) s = string_sprintf(" from %s ", interface);
-#ifdef EXPERIMENTAL_SOCKS
+#ifdef SUPPORT_SOCKS
   if (ob->socks_proxy) s = string_sprintf("%svia proxy ", s);
 #endif
   debug_printf("Connecting to %s %s%s... ", host->name, callout_address, s);
@@ -298,7 +297,7 @@ HDEBUG(D_transport|D_acl|D_v)
 
 /* Create and connect the socket */
 
-#ifdef EXPERIMENTAL_SOCKS
+#ifdef SUPPORT_SOCKS
 if (ob->socks_proxy)
   return socks_sock_connect(host, host_af, port, interface, tb, timeout);
 #endif