ncursesw-morphos/ncurses/tinfo/entries.c
Thomas E. Dickey ca276baf72 ncurses 5.6 - patch 20080621
+ regenerated html documentation.
+ expand manpage description of parameters for form_driver() and
  menu_driver() (prompted by discussion with Adam Spragg).
+ add null-pointer checks for cur_term in baudrate() and
  def_shell_mode(), def_prog_mode()
+ fix some memory leaks in delscreen() and wide acs.
2008-06-22 00:16:39 +00:00

149 lines
4.8 KiB
C

/****************************************************************************
* Copyright (c) 2006-2007,2008 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, *
* 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 *
****************************************************************************/
#include <curses.priv.h>
#include <ctype.h>
#include <tic.h>
#include <term_entry.h>
MODULE_ID("$Id: entries.c,v 1.6 2008/06/21 21:25:01 tom Exp $")
/****************************************************************************
*
* Entry queue handling
*
****************************************************************************/
/*
* The entry list is a doubly linked list with NULLs terminating the lists:
*
* --------- --------- ---------
* | | | | | | offset
* |-------| |-------| |-------|
* | ----+-->| ----+-->| NULL | next
* |-------| |-------| |-------|
* | NULL |<--+---- |<--+---- | last
* --------- --------- ---------
* ^ ^
* | |
* | |
* _nc_head _nc_tail
*/
NCURSES_EXPORT_VAR(ENTRY *) _nc_head = 0;
NCURSES_EXPORT_VAR(ENTRY *) _nc_tail = 0;
NCURSES_EXPORT(void)
_nc_free_entry(ENTRY * headp, TERMTYPE *tterm)
/* free the allocated storage consumed by the given list entry */
{
ENTRY *ep;
if ((ep = _nc_delink_entry(headp, tterm)) != 0) {
free(ep);
}
}
NCURSES_EXPORT(void)
_nc_free_entries(ENTRY * headp)
/* free the allocated storage consumed by list entries */
{
(void) headp; /* unused - _nc_head is altered here! */
while (_nc_head != 0) {
_nc_free_termtype(&(_nc_head->tterm));
}
}
NCURSES_EXPORT(ENTRY *)
_nc_delink_entry(ENTRY * headp, TERMTYPE *tterm)
/* delink the allocated storage for the given list entry */
{
ENTRY *ep, *last;
for (last = 0, ep = headp; ep != 0; last = ep, ep = ep->next) {
if (&(ep->tterm) == tterm) {
if (last != 0) {
last->next = ep->next;
}
if (ep == _nc_head) {
_nc_head = ep->next;
}
if (ep == _nc_tail) {
_nc_tail = last;
}
break;
}
}
return ep;
}
NCURSES_EXPORT(void)
_nc_leaks_tinfo(void)
{
char *s;
T((T_CALLED("_nc_free_tinfo()")));
#if NO_LEAKS
_nc_free_tparm();
_nc_tgetent_leaks();
#endif
_nc_free_entries(_nc_head);
_nc_get_type(0);
_nc_first_name(0);
#if NO_LEAKS
_nc_keyname_leaks();
#endif
#if BROKEN_LINKER || USE_REENTRANT
_nc_names_leaks();
_nc_codes_leaks();
FreeIfNeeded(_nc_prescreen.real_acs_map);
#endif
#if USE_WIDEC_SUPPORT
FreeIfNeeded(_nc_wacs);
#endif
if ((s = _nc_home_terminfo()) != 0)
free(s);
returnVoid;
}
#if NO_LEAKS
NCURSES_EXPORT(void)
_nc_free_tinfo(int code)
{
_nc_leaks_tinfo();
exit(code);
}
#endif