lib_cur_term.c

ncurses-5.4

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/****************************************************************************
 *  Author: Thomas E. Dickey <[e-mail]> 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 1.13 2003/12/27 18:21:30 tom Exp $")

NCURSES_EXPORT_VAR(TERMINAL *) cur_term = 0;

NCURSES_EXPORT(TERMINAL *)
set_curterm(TERMINAL * termp)
{
    TERMINAL *oldterm = cur_term;

    T((T_CALLED("set_curterm(%p)"), termp));

    if ((cur_term = termp) != 0) {
	ospeed = _nc_ospeed(cur_term->_baudrate);
	PC = (pad_char != NULL) ? pad_char[0] : 0;
    }
    T((T_RETURN("%p"), oldterm));
    return (oldterm);
}

NCURSES_EXPORT(int)
del_curterm(TERMINAL * termp)
{
    T((T_CALLED("del_curterm(%p)"), termp));

    if (termp != 0) {
	_nc_free_termtype(&(termp->type));
	FreeIfNeeded(termp->_termname);
	free(termp);
	if (termp == cur_term)
	    cur_term = 0;
	returnCode(OK);
    }
    returnCode(ERR);
}