tidying

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

diff --git a/src/src/host.c b/src/src/host.c
index 5e66517e8e9c45d12db39699dddab9f4c7308636..02d2da3621aa1e8c4b2d3187b553f7fdef1641be 100644 (file)
--- a/src/src/host.c
+++ b/src/src/host.c
@@ -3,7 +3,7 @@
 *************************************************/
 
 /* Copyright (c) University of Cambridge 1995 - 2018 */
-/* Copyright (c) The Exim Maintainers 2020 */
+/* Copyright (c) The Exim Maintainers 2020 - 2021 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* Functions for finding hosts, either by gethostbyname(), gethostbyaddr(), or
@@ -1582,7 +1582,7 @@ Put it in permanent memory. */
 
   if (hosts->h_aliases)
     {
-    int count = 1;
+    int count = 1;  /* need 1 more for terminating NULL */
     uschar **ptr;
 
     for (uschar ** aliases = USS hosts->h_aliases; *aliases; aliases++) count++;
@@ -1691,7 +1691,7 @@ while ((ordername = string_nextinlist(&list, &sep, NULL, 0)))
       {
       uschar **aptr = NULL;
       int ssize = 264;
-      int count = 0;
+      int count = 1;  /* need 1 more for terminating NULL */
       int old_pool = store_pool;
 
       sender_host_dnssec = dns_is_secure(dnsa);
@@ -1794,7 +1794,7 @@ HDEBUG(D_host_lookup)
   {
   uschar **aliases = sender_host_aliases;
   debug_printf("IP address lookup yielded \"%s\"\n", sender_host_name);
-  while (*aliases != NULL) debug_printf("  alias \"%s\"\n", *aliases++);
+  while (*aliases) debug_printf("  alias \"%s\"\n", *aliases++);
   }
 
 /* We need to verify that a forward lookup on the name we found does indeed