1 /**************************************************************************** 2 * Copyright (c) 2006-2007,2008 Free Software Foundation, Inc. * 3 * * 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: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 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. * 22 * * 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 * 26 * authorization. * 27 ****************************************************************************/ 28 29 /**************************************************************************** 30 * Author: Thomas E. Dickey * 31 ****************************************************************************/ 32 33 #include <curses.priv.h> 34 35 #include <ctype.h> 36 37 #include <tic.h> 38 #include <term_entry.h> 39 40 MODULE_ID("$Id: entries.c,v 1.8 2008/09/27 13:11:10 tom Exp $") 41 42 /**************************************************************************** 43 * 44 * Entry queue handling 45 * 46 ****************************************************************************/ 47 /* 48 * The entry list is a doubly linked list with NULLs terminating the lists: 49 * 50 * --------- --------- --------- 51 * | | | | | | offset 52 * |-------| |-------| |-------| 53 * | ----+-->| ----+-->| NULL | next 54 * |-------| |-------| |-------| 55 * | NULL |<--+---- |<--+---- | last 56 * --------- --------- --------- 57 * ^ ^ 58 * | | 59 * | | 60 * _nc_head _nc_tail 61 */ 62 63 NCURSES_EXPORT_VAR(ENTRY *) _nc_head = 0; 64 NCURSES_EXPORT_VAR(ENTRY *) _nc_tail = 0; 65 66 NCURSES_EXPORT(void) 67 _nc_free_entry(ENTRY * headp, TERMTYPE *tterm) 68 /* free the allocated storage consumed by the given list entry */ 69 { 70 ENTRY *ep; 71 72 if ((ep = _nc_delink_entry(headp, tterm)) != 0) { 73 free(ep); 74 } 75 } 76 77 NCURSES_EXPORT(void) 78 _nc_free_entries(ENTRY * headp) 79 /* free the allocated storage consumed by list entries */ 80 { 81 (void) headp; /* unused - _nc_head is altered here! */ 82 83 while (_nc_head != 0) { 84 _nc_free_termtype(&(_nc_head->tterm)); 85 } 86 } 87 88 NCURSES_EXPORT(ENTRY *) 89 _nc_delink_entry(ENTRY * headp, TERMTYPE *tterm) 90 /* delink the allocated storage for the given list entry */ 91 { 92 ENTRY *ep, *last; 93 94 for (last = 0, ep = headp; ep != 0; last = ep, ep = ep->next) { 95 if (&(ep->tterm) == tterm) { 96 if (last != 0) { 97 last->next = ep->next; 98 } 99 if (ep == _nc_head) { 100 _nc_head = ep->next; 101 } 102 if (ep == _nc_tail) { 103 _nc_tail = last; 104 } 105 break; 106 } 107 } 108 return ep; 109 } 110 111 NCURSES_EXPORT(void) 112 _nc_leaks_tinfo(void) 113 { 114 #if NO_LEAKS 115 char *s; 116 #endif 117 118 T((T_CALLED("_nc_free_tinfo()"))); 119 #if NO_LEAKS 120 _nc_free_tparm(); 121 _nc_tgetent_leaks(); 122 _nc_free_entries(_nc_head); 123 _nc_get_type(0); 124 _nc_first_name(0); 125 _nc_keyname_leaks(); 126 #if BROKEN_LINKER || USE_REENTRANT 127 _nc_names_leaks(); 128 _nc_codes_leaks(); 129 FreeIfNeeded(_nc_prescreen.real_acs_map); 130 #endif 131 132 if ((s = _nc_home_terminfo()) != 0) 133 free(s); 134 #endif /* NO_LEAKS */ 135 returnVoid; 136 } 137 138 #if NO_LEAKS 139 NCURSES_EXPORT(void) 140 _nc_free_tinfo(int code) 141 { 142 _nc_leaks_tinfo(); 143 exit(code); 144 } 145 #endif 146