--- rxvt-unicode/src/logging.C	2006/01/17 10:14:26	1.27
+++ rxvt-unicode/src/logging.C	2006/01/17 11:02:10	1.30
@@ -14,7 +14,7 @@
  * 				- extensive modifications
  * Copyright (c) 1999      D J Hawkey Jr <hawkeyd@visi.com>
  *				- lastlog support
- * Copyright (c) 2004      Marc Lehmann <pcg@goof.com>
+ * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -57,13 +57,16 @@
  * make and write utmp and wtmp entries
  */
 void
-rxvt_ptytty::login (int cmd_pid, bool login_shell, const char *hostname)
+rxvt_ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname)
 {
+  const char *pty = name;
+
+  if (!pty || !*pty)
+    return;
+
   this->cmd_pid     = cmd_pid;
   this->login_shell = login_shell;
 
-  const char *pty = name;
-
 #ifdef HAVE_STRUCT_UTMP
   struct utmp *ut = &this->ut;
 #endif
@@ -224,8 +227,11 @@
  * remove utmp and wtmp entries
  */
 void
-rxvt_ptytty::logout ()
+rxvt_ptytty_unix::logout ()
 {
+  if (!cmd_pid)
+    return;
+
 #ifdef HAVE_STRUCT_UTMP
   struct utmp *tmput, *ut = &this->ut;
 #endif
@@ -305,6 +311,8 @@
     pututxline (utx);
   endutxent ();
 #endif
+
+  cmd_pid = 0;
 }
 
 /* ------------------------------------------------------------------------- */