/* Interface from Emacs to terminfo.
   Copyright (C) 1985-1986, 2001-2023 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 <https://www.gnu.org/licenses/>.  */

#include <config.h>
#include "tparam.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.  But don't do that if terminfo defines them, as that
   could cause link errors when using -fno-common.  */

#ifndef TERMINFO_DEFINES_BC
char *UP, *BC, PC;
#endif

/* 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)
    emacs_abort ();

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