/* $OpenBSD: trace_tries.c,v 1.5 2010/01/12 23:22:07 nicm Exp $ */

/****************************************************************************

 * Copyright (c) 1999-2007,2008 Free Software Foundation, Inc.              *

 *                                                                          *

 * Permission is hereby granted, free of charge, to any person obtaining a  *

 * copy of this software and associated documentation files (the            *

 * "Software"), to deal in the Software without restriction, including      *

 * without limitation the rights to use, copy, modify, merge, publish,      *

 * distribute, distribute with modifications, sublicense, and/or sell       *

 * copies of the Software, and to permit persons to whom the Software is    *

 * furnished to do so, subject to the following conditions:                 *

 *                                                                          *

 * The above copyright notice and this permission notice shall be included  *

 * in all copies or substantial portions of the Software.                   *

 *                                                                          *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *

 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *

 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *

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 ****************************************************************************/

/****************************************************************************

 *  Author: Thomas E. Dickey <dickey@clark.net> 1999                        *

 ****************************************************************************/

/*

 *	trace_tries.c - Tracing/Debugging buffers (keycode tries-trees)

 */

#include <curses.priv.h>

MODULE_ID("$Id: trace_tries.c,v 1.5 2010/01/12 23:22:07 nicm Exp $")

#ifdef TRACE

#define my_buffer _nc_globals.tracetry_buf

#define my_length _nc_globals.tracetry_used

static void

recur_tries(TRIES * tree, unsigned level)

{

    if (level > my_length) {

	my_length = (level + 1) * 4;

	my_buffer = (unsigned char *) realloc(my_buffer, my_length);

    }

    while (tree != 0) {

	if ((my_buffer[level] = tree->ch) == 0)

	    my_buffer[level] = 128;

	my_buffer[level + 1] = 0;

	if (tree->value != 0) {

	    _tracef("%5d: %s (%s)", tree->value,

		    _nc_visbuf((char *) my_buffer), keyname(tree->value));

	}

	if (tree->child)

	    recur_tries(tree->child, level + 1);

	tree = tree->sibling;

    }

}

NCURSES_EXPORT(void)

_nc_trace_tries(TRIES * tree)

{

    my_buffer = typeMalloc(unsigned char, my_length = 80);

    _tracef("BEGIN tries %p", tree);

    recur_tries(tree, 0);

    _tracef(". . . tries %p", tree);

    free(my_buffer);

}

#else

NCURSES_EXPORT(void)

_nc_trace_tries(TRIES * tree)

{

}

#endif