Fix bug #9221 with memory leak in bidi display.

[bpt/emacs.git] / src / terminfo.c

/* Interface from Emacs to terminfo.
   Copyright (C) 1985-1986, 2001-2011  Free Software Foundation, Inc.

This file is part of GNU Emacs.

GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */

#include <config.h>
#include "tparam.h"

#include <setjmp.h>
#include "lisp.h"

/* Define these variables that serve as global parameters to termcap,
   so that we do not need to conditionalize the places in Emacs
   that set them.  */

char *UP, *BC, PC;

/* Interface to curses/terminfo library.
   Turns out that all of the terminfo-level routines look
   like their termcap counterparts except for tparm, which replaces
   tgoto.  Not only is the calling sequence different, but the string
   format is different too.
*/

extern char *tparm (const char *str, ...);


char *
tparam (const char *string, char *outstring, int len,
	int arg1, int arg2, int arg3, int arg4)
{
  char *temp;

  /* Emacs always should pass a null OUTSTRING and zero LEN.  */
  if (outstring || len)
    abort ();

  temp = tparm (string, arg1, arg2, arg3, arg4);
  return xstrdup (temp);
}