1 /****************************************************************************
2 * Copyright (c) 1998-2005,2007 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
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8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
32 * and: Thomas E. Dickey 1996-on *
33 ****************************************************************************/
36 * lib_tracechr.c - Tracing/Debugging routines
38 #include <curses.priv.h>
42 MODULE_ID("$Id: lib_tracechr.c,v 1.13 2007/04/21 23:16:37 tom Exp $")
45 #define MyBuffer _nc_globals.tracechr_buf
47 NCURSES_EXPORT(char *)
50 NCURSES_CONST char *name;
52 if (ch > KEY_MIN || ch < 0) {
54 if (name == 0 || *name == '\0')
56 (void) sprintf(MyBuffer, "'%.30s' = %#03o", name, ch);
57 } else if (!is8bits(ch) || !isprint(UChar(ch))) {
59 * workaround for glibc bug:
60 * sprintf changes the result from unctrl() to an empty string if it
61 * does not correspond to a valid multibyte sequence.
63 (void) sprintf(MyBuffer, "%#03o", ch);
65 name = unctrl((chtype) ch);
66 if (name == 0 || *name == 0)
67 name = "null"; /* shouldn't happen */
68 (void) sprintf(MyBuffer, "'%.30s' = %#03o", name, ch);
73 empty_module(_nc_lib_tracechr)