Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 1 | /**************************************************************************** |
micky387 | 9b9f5e7 | 2025-07-08 18:04:53 -0400 | [diff] [blame] | 2 | * Copyright 2019-2022,2023 Thomas E. Dickey * |
| 3 | * Copyright 2006-2012,2017 Free Software Foundation, Inc. * |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 4 | * * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a * |
| 6 | * copy of this software and associated documentation files (the * |
| 7 | * "Software"), to deal in the Software without restriction, including * |
| 8 | * without limitation the rights to use, copy, modify, merge, publish, * |
| 9 | * distribute, distribute with modifications, sublicense, and/or sell * |
| 10 | * copies of the Software, and to permit persons to whom the Software is * |
| 11 | * furnished to do so, subject to the following conditions: * |
| 12 | * * |
| 13 | * The above copyright notice and this permission notice shall be included * |
| 14 | * in all copies or substantial portions of the Software. * |
| 15 | * * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
| 17 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
| 19 | * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
| 20 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
| 21 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
| 22 | * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
| 23 | * * |
| 24 | * Except as contained in this notice, the name(s) of the above copyright * |
| 25 | * holders shall not be used in advertising or otherwise to promote the * |
| 26 | * sale, use or other dealings in this Software without prior written * |
| 27 | * authorization. * |
| 28 | ****************************************************************************/ |
| 29 | |
| 30 | /**************************************************************************** |
| 31 | * Author: Thomas E. Dickey * |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame] | 32 | * and: Juergen Pfeifer * |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 33 | ****************************************************************************/ |
| 34 | |
| 35 | #include <curses.priv.h> |
| 36 | |
| 37 | #include <ctype.h> |
| 38 | |
| 39 | #include <tic.h> |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 40 | |
micky387 | 9b9f5e7 | 2025-07-08 18:04:53 -0400 | [diff] [blame] | 41 | MODULE_ID("$Id: entries.c,v 1.35 2023/05/27 20:13:10 tom Exp $") |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 42 | |
| 43 | /**************************************************************************** |
| 44 | * |
| 45 | * Entry queue handling |
| 46 | * |
| 47 | ****************************************************************************/ |
| 48 | /* |
| 49 | * The entry list is a doubly linked list with NULLs terminating the lists: |
| 50 | * |
| 51 | * --------- --------- --------- |
| 52 | * | | | | | | offset |
| 53 | * |-------| |-------| |-------| |
| 54 | * | ----+-->| ----+-->| NULL | next |
| 55 | * |-------| |-------| |-------| |
| 56 | * | NULL |<--+---- |<--+---- | last |
| 57 | * --------- --------- --------- |
| 58 | * ^ ^ |
| 59 | * | | |
| 60 | * | | |
| 61 | * _nc_head _nc_tail |
| 62 | */ |
| 63 | |
| 64 | NCURSES_EXPORT_VAR(ENTRY *) _nc_head = 0; |
| 65 | NCURSES_EXPORT_VAR(ENTRY *) _nc_tail = 0; |
| 66 | |
micky387 | 9b9f5e7 | 2025-07-08 18:04:53 -0400 | [diff] [blame] | 67 | static ENTRY * |
| 68 | _nc_delink_entry(ENTRY * headp, const TERMTYPE2 *const tterm) |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 69 | /* delink the allocated storage for the given list entry */ |
| 70 | { |
| 71 | ENTRY *ep, *last; |
| 72 | |
| 73 | for (last = 0, ep = headp; ep != 0; last = ep, ep = ep->next) { |
| 74 | if (&(ep->tterm) == tterm) { |
| 75 | if (last != 0) { |
| 76 | last->next = ep->next; |
| 77 | } |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame] | 78 | if (ep->next != 0) { |
| 79 | ep->next->last = last; |
| 80 | } |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 81 | if (ep == _nc_head) { |
| 82 | _nc_head = ep->next; |
| 83 | } |
| 84 | if (ep == _nc_tail) { |
| 85 | _nc_tail = last; |
| 86 | } |
| 87 | break; |
| 88 | } |
| 89 | } |
| 90 | return ep; |
| 91 | } |
| 92 | |
| 93 | NCURSES_EXPORT(void) |
micky387 | 9b9f5e7 | 2025-07-08 18:04:53 -0400 | [diff] [blame] | 94 | _nc_free_entry(ENTRY * headp, TERMTYPE2 *tterm) |
| 95 | /* free the allocated storage consumed by the given list entry */ |
| 96 | { |
| 97 | ENTRY *ep; |
| 98 | |
| 99 | if ((ep = _nc_delink_entry(headp, tterm)) != 0) { |
| 100 | free(ep); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | NCURSES_EXPORT(void) |
| 105 | _nc_free_entries(ENTRY * headp) |
| 106 | /* free the allocated storage consumed by list entries */ |
| 107 | { |
| 108 | (void) headp; /* unused - _nc_head is altered here! */ |
| 109 | |
| 110 | while (_nc_head != 0) { |
| 111 | _nc_free_termtype2(&(_nc_head->tterm)); |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | NCURSES_EXPORT(void) |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 116 | _nc_leaks_tinfo(void) |
| 117 | { |
| 118 | #if NO_LEAKS |
| 119 | char *s; |
| 120 | #endif |
| 121 | |
micky387 | 9b9f5e7 | 2025-07-08 18:04:53 -0400 | [diff] [blame] | 122 | T((T_CALLED("_nc_leaks_tinfo()"))); |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 123 | #if NO_LEAKS |
micky387 | 9b9f5e7 | 2025-07-08 18:04:53 -0400 | [diff] [blame] | 124 | _nc_globals.leak_checking = TRUE; |
| 125 | _nc_free_tparm(cur_term); |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 126 | _nc_tgetent_leaks(); |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame] | 127 | |
micky387 | 9b9f5e7 | 2025-07-08 18:04:53 -0400 | [diff] [blame] | 128 | #ifdef USE_PTHREADS |
| 129 | /* |
| 130 | * Discard any prescreen data which is not used for the current screen. |
| 131 | */ |
| 132 | _nc_lock_global(screen); |
| 133 | { |
| 134 | PRESCREEN_LIST *p; |
| 135 | pthread_t id = GetThreadID(); |
| 136 | for (p = _nc_prescreen.allocated; p != 0; p = p->next) { |
| 137 | if (p->id == id && p->sp != CURRENT_SCREEN) { |
| 138 | FreeAndNull(p->sp); |
| 139 | } |
| 140 | } |
| 141 | } |
| 142 | _nc_unlock_global(screen); |
| 143 | #endif |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame] | 144 | if (TerminalOf(CURRENT_SCREEN) != 0) { |
| 145 | del_curterm(TerminalOf(CURRENT_SCREEN)); |
| 146 | } |
micky387 | 9b9f5e7 | 2025-07-08 18:04:53 -0400 | [diff] [blame] | 147 | _nc_forget_prescr(); |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame] | 148 | |
| 149 | _nc_comp_captab_leaks(); |
micky387 | 9b9f5e7 | 2025-07-08 18:04:53 -0400 | [diff] [blame] | 150 | _nc_comp_userdefs_leaks(); |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 151 | _nc_free_entries(_nc_head); |
| 152 | _nc_get_type(0); |
| 153 | _nc_first_name(0); |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame] | 154 | _nc_db_iterator_leaks(); |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 155 | _nc_keyname_leaks(); |
| 156 | #if BROKEN_LINKER || USE_REENTRANT |
| 157 | _nc_names_leaks(); |
| 158 | _nc_codes_leaks(); |
| 159 | FreeIfNeeded(_nc_prescreen.real_acs_map); |
| 160 | #endif |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame] | 161 | _nc_comp_error_leaks(); |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 162 | |
| 163 | if ((s = _nc_home_terminfo()) != 0) |
| 164 | free(s); |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame] | 165 | |
| 166 | #ifdef TRACE |
micky387 | 9b9f5e7 | 2025-07-08 18:04:53 -0400 | [diff] [blame] | 167 | T((T_RETURN(""))); |
| 168 | curses_trace(0); |
Steve Kondik | ae271bc | 2015-11-15 02:50:53 +0100 | [diff] [blame] | 169 | _nc_trace_buf(-1, (size_t) 0); |
| 170 | #endif |
| 171 | |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 172 | #endif /* NO_LEAKS */ |
| 173 | returnVoid; |
| 174 | } |
| 175 | |
| 176 | #if NO_LEAKS |
| 177 | NCURSES_EXPORT(void) |
| 178 | _nc_free_tinfo(int code) |
| 179 | { |
micky387 | 9b9f5e7 | 2025-07-08 18:04:53 -0400 | [diff] [blame] | 180 | T((T_CALLED("_nc_free_tinfo(%d)"), code)); |
Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 181 | _nc_leaks_tinfo(); |
| 182 | exit(code); |
| 183 | } |
| 184 | #endif |
micky387 | 9b9f5e7 | 2025-07-08 18:04:53 -0400 | [diff] [blame] | 185 | |
| 186 | NCURSES_EXPORT(void) |
| 187 | exit_terminfo(int code) |
| 188 | { |
| 189 | T((T_CALLED("exit_terminfo(%d)"), code)); |
| 190 | #if NO_LEAKS |
| 191 | _nc_leaks_tinfo(); |
| 192 | #endif |
| 193 | exit(code); |
| 194 | } |