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/* $OpenBSD: lib_cur_term.c,v 1.6 2010/01/12 23:22:06 nicm Exp $ */
/****************************************************************************
* Copyright (c) 1998-2003,2008 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 <dickey@clark.net> 1997 *
****************************************************************************/
/*
* Module that "owns" the 'cur_term' variable:
*
* TERMINAL *set_curterm(TERMINAL *)
* int del_curterm(TERMINAL *)
*/
#include <curses.priv.h>
#include <term_entry.h> /* TTY, cur_term */
#include <termcap.h> /* ospeed */
MODULE_ID("$Id: lib_cur_term.c,v 1.6 2010/01/12 23:22:06 nicm Exp $")
#undef CUR
#define CUR termp->type.
#if BROKEN_LINKER || USE_REENTRANT
NCURSES_EXPORT(TERMINAL *)
NCURSES_PUBLIC_VAR(cur_term) (void)
{
return (SP != 0 && SP->_term != 0) ? SP->_term : _nc_prescreen._cur_term;
}
#else
NCURSES_EXPORT_VAR(TERMINAL *) cur_term = 0;
#endif
NCURSES_EXPORT(TERMINAL *)
set_curterm(TERMINAL * termp)
{
TERMINAL *oldterm;
T((T_CALLED("set_curterm(%p)"), termp));
_nc_lock_global(curses);
oldterm = cur_term;
if (SP)
SP->_term = termp;
#if BROKEN_LINKER || USE_REENTRANT
_nc_prescreen._cur_term = termp;
#else
cur_term = termp;
#endif
if (termp != 0) {
ospeed = _nc_ospeed(termp->_baudrate);
if (termp->type.Strings) {
PC = (char) ((pad_char != NULL) ? pad_char[0] : 0);
}
}
_nc_unlock_global(curses);
T((T_RETURN("%p"), oldterm));
return (oldterm);
}
NCURSES_EXPORT(int)
del_curterm(TERMINAL * termp)
{
int rc = ERR;
T((T_CALLED("del_curterm(%p)"), termp));
_nc_lock_global(curses);
if (termp != 0) {
_nc_free_termtype(&(termp->type));
FreeIfNeeded(termp->_termname);
free(termp);
if (termp == cur_term)
set_curterm(0);
rc = OK;
}
_nc_unlock_global(curses);
returnCode(rc);
}
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