/****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2011,2013 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 *
#include <curses.priv.h>
#include <ctype.h>
-MODULE_ID("$Id: lib_addch.c,v 1.125 2011/10/22 16:51:31 tom Exp $")
+MODULE_ID("$Id: lib_addch.c,v 1.126 2013/03/02 21:06:47 tom Exp $")
static const NCURSES_CH_T blankchar = NewChar(BLANK_TEXT);
#endif
const char *s = NCURSES_SP_NAME(unctrl) (NCURSES_SP_ARGx t);
int tabsize = 8;
+
/*
* If we are using the alternate character set, forget about locale.
* Otherwise, if unctrl() returns a single-character or the locale
- * claims the code is printable, treat it that way.
+ * claims the code is printable (and not also a control character),
+ * treat it that way.
*/
if ((AttrOf(ch) & A_ALTCHARSET)
|| (
s[1] == 0
)
|| (
- isprint(t)
+ (isprint(t) && !iscntrl(t))
#if USE_WIDEC_SUPPORT
|| ((sp == 0 || !sp->_legacy_coding) &&
(WINDOW_EXT(win, addch_used)
- || !_nc_is_charable(CharOf(ch))))
+ || !_nc_is_charable(t)))
#endif
- ))
+ )) {
return waddch_literal(win, ch);
+ }
/*
* Handle carriage control and other codes that are not printable, or are