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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 
38 MODULE_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 
44 static void
45 recur_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 
68 NCURSES_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
80 EMPTY_MODULE(_nc_empty_trace_tries)
81 #endif
82