X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=test%2Flist_keys.c;h=96b02e14f355e29fcb448dc6ce003720a936dd0a;hb=91494ab0071e71177728916199a406768f5ef963;hp=ee54b856998fb0ad44f2af758ab965fc3a40d648;hpb=f79c210479470378389aab5b8d4d42d4a7f3d9a4;p=ncurses.git

diff --git a/test/list_keys.c b/test/list_keys.c
index ee54b856..96b02e14 100644
--- a/test/list_keys.c
+++ b/test/list_keys.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright 2018-2021,2022 Thomas E. Dickey                                *
+ * Copyright 2018-2022,2023 Thomas E. Dickey                                *
  * Copyright 2016,2017 Free Software Foundation, Inc.                       *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
@@ -27,7 +27,7 @@
  * authorization.                                                           *
  ****************************************************************************/
 /*
- * $Id: list_keys.c,v 1.31 2022/12/10 23:23:27 tom Exp $
+ * $Id: list_keys.c,v 1.32 2023/06/24 13:57:11 tom Exp $
  *
  * Author: Thomas E Dickey
  *
@@ -71,6 +71,13 @@ typedef struct {
 #define Type(n) list[n].type
 #define Name(n) list[n].name
 
+static void
+failed(const char *msg)
+{
+    perror(msg);
+    ExitProgram(EXIT_FAILURE);
+}
+
 static const char *
 full_name(const char *name)
 {
@@ -338,8 +345,11 @@ list_keys(TERMINAL **terms, int count)
 	widths1 = (int) strlen(modifier);
 
     for (k = 0; k < count; ++k) {
+	char *value;
 	set_curterm(terms[k]);
-	check = (int) strlen(termname());
+	if ((value = termname()) == NULL)
+	    failed("termname");
+	check = (int) strlen(value);
 	if (widths2 < check)
 	    widths2 = check;
     }