1/****************************************************************************
2 * Copyright (c) 1999-2011,2012 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    *
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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: Thomas E. Dickey 1999                                           *
31 ****************************************************************************/
32/*
33 *	trace_tries.c - Tracing/Debugging buffers (keycode tries-trees)
34 */
35
36#include <curses.priv.h>
37
38MODULE_ID("$Id: trace_tries.c,v 1.17 2012/10/27 20:50:50 tom Exp $")
39
40#ifdef TRACE
41#define my_buffer _nc_globals.tracetry_buf
42#define my_length _nc_globals.tracetry_used
43
44static void
45recur_tries(TRIES * tree, unsigned level)
46{
47    if (level > my_length) {
48	my_length = (level + 1) * 4;
49	my_buffer = (unsigned char *) _nc_doalloc(my_buffer, my_length);
50    }
51
52    if (my_buffer != 0) {
53	while (tree != 0) {
54	    if ((my_buffer[level] = tree->ch) == 0)
55		my_buffer[level] = 128;
56	    my_buffer[level + 1] = 0;
57	    if (tree->value != 0) {
58		_tracef("%5d: %s (%s)", tree->value,
59			_nc_visbuf((char *) my_buffer), keyname(tree->value));
60	    }
61	    if (tree->child)
62		recur_tries(tree->child, level + 1);
63	    tree = tree->sibling;
64	}
65    }
66}
67
68NCURSES_EXPORT(void)
69_nc_trace_tries(TRIES * tree)
70{
71    if ((my_buffer = typeMalloc(unsigned char, my_length = 80)) != 0) {
72	_tracef("BEGIN tries %p", (void *) tree);
73	recur_tries(tree, 0);
74	_tracef(". . . tries %p", (void *) tree);
75	free(my_buffer);
76    }
77}
78
79#else
80EMPTY_MODULE(_nc_empty_trace_tries)
81#endif
82