1 /****************************************************************************
2 * Copyright (c) 1998-2008,2009 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 *
7 * without limitation the rights to use, copy, modify, merge, publish, *
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 *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
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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 1.20 2009/04/18 22:48:29 tom Exp $")
46 NCURSES_EXPORT(char *)
47 _nc_tracechar(SCREEN
*sp
, int ch
)
49 NCURSES_CONST
char *name
;
50 char *MyBuffer
= ((sp
!= 0)
52 : _nc_globals
.tracechr_buf
);
54 if (ch
> KEY_MIN
|| ch
< 0) {
55 name
= safe_keyname(SP_PARM
, ch
);
56 if (name
== 0 || *name
== '\0')
58 (void) sprintf(MyBuffer
, "'%.30s' = %#03o", name
, ch
);
59 } else if (!is8bits(ch
) || !isprint(UChar(ch
))) {
61 * workaround for glibc bug:
62 * sprintf changes the result from unctrl() to an empty string if it
63 * does not correspond to a valid multibyte sequence.
65 (void) sprintf(MyBuffer
, "%#03o", ch
);
67 name
= safe_unctrl(SP_PARM
, (chtype
) ch
);
68 if (name
== 0 || *name
== 0)
69 name
= "null"; /* shouldn't happen */
70 (void) sprintf(MyBuffer
, "'%.30s' = %#03o", name
, ch
);
75 NCURSES_EXPORT(char *)
78 return _nc_tracechar(CURRENT_SCREEN
, ch
);
81 EMPTY_MODULE(_nc_lib_tracechr
)