xref: /freebsd-11-stable/contrib/ncurses/ncurses/base/lib_freeall.c

/****************************************************************************
 * Copyright (c) 1998,1999,2000 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,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
 *                                                                          *
 * Except as contained in this notice, the name(s) of the above copyright   *
 * holders shall not be used in advertising or otherwise to promote the     *
 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

/****************************************************************************
 *  Author: Thomas E. Dickey <dickey@clark.net> 1996,1997                   *
 ****************************************************************************/

#include <curses.priv.h>
#include <term_entry.h>

#if HAVE_NC_FREEALL

#if HAVE_LIBDBMALLOC
extern int malloc_errfd;	/* FIXME */
#endif

MODULE_ID("$Id: lib_freeall.c,v 1.18 2000/12/10 02:43:27 tom Exp $")

static void
free_slk(SLK * p)
{
    if (p != 0) {
	FreeIfNeeded(p->ent);
	FreeIfNeeded(p->buffer);
	free(p);
    }
}

static void
free_tries(struct tries *p)
{
    struct tries *q;

    while (p != 0) {
	q = p->sibling;
	if (p->child != 0)
	    free_tries(p->child);
	free(p);
	p = q;
    }
}

/*
 * Free all ncurses data.  This is used for testing only (there's no practical
 * use for it as an extension).
 */
NCURSES_EXPORT(void)
_nc_freeall(void)
{
    WINDOWLIST *p, *q;

#if NO_LEAKS
    _nc_free_tparm();
#endif
    if (SP != 0) {
	while (_nc_windows != 0) {
	    /* Delete only windows that're not a parent */
	    for (p = _nc_windows; p != 0; p = p->next) {
		bool found = FALSE;

		for (q = _nc_windows; q != 0; q = q->next) {
		    if ((p != q)
			&& (q->win->_flags & _SUBWIN)
			&& (p->win == q->win->_parent)) {
			found = TRUE;
			break;
		    }
		}

		if (!found) {
		    delwin(p->win);
		    break;
		}
	    }
	}

	free_tries(SP->_keytry);
	free_tries(SP->_key_ok);
	free_slk(SP->_slk);
	FreeIfNeeded(SP->_color_pairs);
	FreeIfNeeded(SP->_color_table);
#if !BROKEN_LINKER
	FreeAndNull(SP);
#endif
    }

    if (cur_term != 0) {
	_nc_free_termtype(&(cur_term->type));
	free(cur_term);
    }
#ifdef TRACE
    (void) _nc_trace_buf(-1, 0);
#endif
#if HAVE_LIBDBMALLOC
    malloc_dump(malloc_errfd);
#elif HAVE_LIBDMALLOC
#elif HAVE_PURIFY
    purify_all_inuse();
#endif
}

NCURSES_EXPORT(void)
_nc_free_and_exit(int code)
{
    _nc_freeall();
    exit(code);
}

#else
NCURSES_EXPORT(void)
_nc_freeall(void)
{
}
#endif