blob: 79cf03b4870cfb96e4f88dac050648b2be7eec24 [file] [log] [blame]
Amit Daniel Kachhape6a01f52011-07-20 11:45:59 +05301/****************************************************************************
2 * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. *
3 * *
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: *
11 * *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
14 * *
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. *
22 * *
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 *
25 * sale, use or other dealings in this Software without prior written *
26 * authorization. *
27 ****************************************************************************/
28
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 ****************************************************************************/
34
35/*
36 * lib_tracechr.c - Tracing/Debugging routines
37 */
38#include <curses.priv.h>
39
40#include <ctype.h>
41
42MODULE_ID("$Id: lib_tracechr.c,v 1.19 2008/08/03 15:39:29 tom Exp $")
43
44#ifdef TRACE
45
46NCURSES_EXPORT(char *)
47_nc_tracechar(SCREEN *sp, int ch)
48{
49 NCURSES_CONST char *name;
50 char *MyBuffer = ((sp != 0)
51 ? sp->tracechr_buf
52 : _nc_globals.tracechr_buf);
53
54 if (ch > KEY_MIN || ch < 0) {
55 name = _nc_keyname(sp, ch);
56 if (name == 0 || *name == '\0')
57 name = "NULL";
58 (void) sprintf(MyBuffer, "'%.30s' = %#03o", name, ch);
59 } else if (!is8bits(ch) || !isprint(UChar(ch))) {
60 /*
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.
64 */
65 (void) sprintf(MyBuffer, "%#03o", ch);
66 } else {
67 name = _nc_unctrl(sp, (chtype) ch);
68 if (name == 0 || *name == 0)
69 name = "null"; /* shouldn't happen */
70 (void) sprintf(MyBuffer, "'%.30s' = %#03o", name, ch);
71 }
72 return (MyBuffer);
73}
74
75NCURSES_EXPORT(char *)
76_tracechar(int ch)
77{
78 return _nc_tracechar(SP, ch);
79}
80#else
81EMPTY_MODULE(_nc_lib_tracechr)
82#endif