(get_system_name): If the official name of the host is

not a fully qualified domain name, then try to find one in the
list of alternate names.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/sysdep.c b/src/sysdep.c
index 55f4d57da1b..bdac188ed64 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -1895,6 +1895,16 @@ get_system_name ()
       hp = gethostbyname (system_name_saved);
       if (hp && strlen (hp->h_name) < sizeof(system_name_saved))
         strcpy (system_name_saved, hp->h_name);
+      if (hp && !index (system_name_saved, '.'))
+        {
+          /* We still don't have a fully qualified domain name.
+             Try to find one in the list of alternate names */
+          char **alias = hp->h_aliases;
+          while (*alias && !index (*alias, '.'))
+            alias++;
+          if (*alias && strlen (*alias) < sizeof (system_name_saved))
+            strcpy (system_name_saved, *alias);
+        }
     }
 #endif /* HAVE_SOCKETS */
 #endif /* not VMS */