X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_addstr.c;h=9038706f787929ceea482a9fc12b8f6436573f3b;hp=6779f3f8255fc0d8ab5c76a334a0fe80bfd8be39;hb=2e68dc325852af56f2ec6c315b323a4f9c3d62c9;hpb=5eb177874dea59107a1a2ea44f5d8f5bb99550b2

diff --git a/ncurses/base/lib_addstr.c b/ncurses/base/lib_addstr.c
index 6779f3f8..9038706f 100644
--- a/ncurses/base/lib_addstr.c
+++ b/ncurses/base/lib_addstr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2016 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -44,7 +44,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_addstr.c,v 1.53 2016/01/16 21:00:53 tom Exp $")
+MODULE_ID("$Id: lib_addstr.c,v 1.54 2017/03/25 21:10:03 tom Exp $")
 
 NCURSES_EXPORT(int)
 waddnstr(WINDOW *win, const char *astr, int n)
@@ -87,7 +87,7 @@ waddchnstr(WINDOW *win, const chtype *astr, int n)
 
     T((T_CALLED("waddchnstr(%p,%p,%d)"), (void *) win, (const void *) astr, n));
 
-    if (!win)
+    if (!win || !astr)
 	returnCode(ERR);
 
     y = win->_cury;