ncurses 6.0 - patch 20170617

[ncurses.git] / test / filter.c

diff --git a/test/filter.c b/test/filter.c
index 90a74a6cec9bc2790ed2cfed70630d1b8c12e587..926ec6b8dcae143c6e864dfbaa7ba4a4a182a26e 100644 (file)
--- a/test/filter.c
+++ b/test/filter.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2014,2016 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            *
@@ -29,7 +29,7 @@
 /*
  * Author:  Thomas E. Dickey 1998
  *
- * $Id: filter.c,v 1.28 2016/09/10 21:23:23 tom Exp $
+ * $Id: filter.c,v 1.29 2017/06/17 18:16:39 tom Exp $
  *
  * An example of the 'filter()' function in ncurses, this program prompts
  * for commands and executes them (like a command shell).  It illustrates
@@ -359,7 +359,10 @@ main(int argc, char *argv[])
     if (i_option) {
        initscr();
     } else {
-       (void) newterm((char *) 0, stdout, stdin);
+       if (newterm((char *) 0, stdout, stdin) == 0) {
+           fprintf(stderr, "cannot initialize terminal\n");
+           ExitProgram(EXIT_FAILURE);
+       }
     }
 #ifdef NCURSES_VERSION
     if (a_option) {