X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=test%2Fdemo_defkey.c;h=195ef544dea1ae9070bbe071c16aae08ac3cadb1;hp=e49ac2980346a536690ef5eb63404ec018ef3e51;hb=71c0306f0824ef2b10c4c5813fb003db48f3012e;hpb=396a05943b7da5039dd15d79c4385c7d2a75d6d4

diff --git a/test/demo_defkey.c b/test/demo_defkey.c
index e49ac298..195ef544 100644
--- a/test/demo_defkey.c
+++ b/test/demo_defkey.c
@@ -26,7 +26,7 @@
  * authorization.                                                           *
  ****************************************************************************/
 /*
- * $Id: demo_defkey.c,v 1.18 2008/04/12 22:06:12 tom Exp $
+ * $Id: demo_defkey.c,v 1.19 2008/08/04 16:24:47 tom Exp $
  *
  * Demonstrate the define_key() function.
  * Thomas Dickey - 2002/11/23
@@ -76,6 +76,7 @@ visichar(int ch)
     static char temp[10];
 
     ch = UChar(ch);
+    assert(ch >= 0 && ch < 256);
     if (ch == '\\') {
 	strcpy(temp, "\\\\");
     } else if (ch == '\033') {