1 /****************************************************************************
2 * Copyright (c) 2006-2017,2019 Free Software Foundation, Inc. *
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: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
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. *
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 *
27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Thomas E. Dickey *
31 * and: Juergen Pfeifer *
32 ****************************************************************************/
34 #include <curses.priv.h>
40 MODULE_ID("$Id: entries.c,v 1.27 2019/03/09 23:41:08 tom Exp $")
42 /****************************************************************************
44 * Entry queue handling
46 ****************************************************************************/
48 * The entry list is a doubly linked list with NULLs terminating the lists:
50 * --------- --------- ---------
52 * |-------| |-------| |-------|
53 * | ----+-->| ----+-->| NULL | next
54 * |-------| |-------| |-------|
55 * | NULL |<--+---- |<--+---- | last
56 * --------- --------- ---------
63 NCURSES_EXPORT_VAR(ENTRY *) _nc_head = 0;
64 NCURSES_EXPORT_VAR(ENTRY *) _nc_tail = 0;
67 _nc_delink_entry(ENTRY * headp, TERMTYPE2 *tterm)
68 /* delink the allocated storage for the given list entry */
72 for (last = 0, ep = headp; ep != 0; last = ep, ep = ep->next) {
73 if (&(ep->tterm) == tterm) {
75 last->next = ep->next;
78 ep->next->last = last;
93 _nc_free_entry(ENTRY * headp, TERMTYPE2 *tterm)
94 /* free the allocated storage consumed by the given list entry */
98 if ((ep = _nc_delink_entry(headp, tterm)) != 0) {
104 _nc_free_entries(ENTRY * headp)
105 /* free the allocated storage consumed by list entries */
107 (void) headp; /* unused - _nc_head is altered here! */
109 while (_nc_head != 0) {
110 _nc_free_termtype2(&(_nc_head->tterm));
115 _nc_leaks_tinfo(void)
121 T((T_CALLED("_nc_free_tinfo()")));
123 _nc_globals.leak_checking = TRUE;
127 if (TerminalOf(CURRENT_SCREEN) != 0) {
128 del_curterm(TerminalOf(CURRENT_SCREEN));
132 _nc_comp_captab_leaks();
133 _nc_comp_userdefs_leaks();
134 _nc_free_entries(_nc_head);
137 _nc_db_iterator_leaks();
139 #if BROKEN_LINKER || USE_REENTRANT
142 FreeIfNeeded(_nc_prescreen.real_acs_map);
144 _nc_comp_error_leaks();
146 if ((s = _nc_home_terminfo()) != 0)
152 _nc_trace_buf(-1, (size_t) 0);
155 #endif /* NO_LEAKS */
161 _nc_free_tinfo(int code)