1 /* Interface from Emacs to terminfo.
2 Copyright (C) 1985-1986, 2001-2023 Free Software Foundation, Inc.
3
4 This file is part of GNU Emacs.
5
6 GNU Emacs is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or (at
9 your option) any later version.
10
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
18
19 #include <config.h>
20 #include "tparam.h"
21
22 #include "lisp.h"
23
24 /* Define these variables that serve as global parameters to termcap,
25 so that we do not need to conditionalize the places in Emacs
26 that set them. But don't do that if terminfo defines them, as that
27 could cause link errors when using -fno-common. */
28
29 #ifndef TERMINFO_DEFINES_BC
30 char *UP, *BC, PC;
31 #endif
32
33 /* Interface to curses/terminfo library.
34 Turns out that all of the terminfo-level routines look
35 like their termcap counterparts except for tparm, which replaces
36 tgoto. Not only is the calling sequence different, but the string
37 format is different too.
38 */
39
40 extern char *tparm (const char *str, ...);
41
42
43 char *
44 tparam (const char *string, char *outstring, int len,
45 int arg1, int arg2, int arg3, int arg4)
46 {
47 char *temp;
48
49 /* Emacs always should pass a null OUTSTRING and zero LEN. */
50 if (outstring || len)
51 emacs_abort ();
52
53 temp = tparm (string, arg1, arg2, arg3, arg4);
54 return xstrdup (temp);
55 }