Emphasize whitespace in hostnames in debug output

diff --git a/src/src/host.c b/src/src/host.c
index 7737704cdf3fffa0889784a9e9224f2f0dfb8aff..1ef73272740865a34f05402497912b04606cf7be 100644 (file)
--- a/src/src/host.c
+++ b/src/src/host.c
@@ -1742,8 +1742,8 @@ if (sender_host_name == NULL)
 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++);
+  debug_printf("IP address lookup yielded \"%s\"\n", sender_host_name);
+  while (*aliases != NULL) debug_printf("  alias \"%s\"\n", *aliases++);
   }
 
 /* We need to verify that a forward lookup on the name we found does indeed