1/* $OpenBSD: home_terminfo.c,v 1.10 2023/10/17 09:52:09 nicm Exp $ */
2
3/****************************************************************************
4 * Copyright 2020 Thomas E. Dickey                                          *
5 * Copyright 1998-2012,2016 Free Software Foundation, Inc.                  *
6 *                                                                          *
7 * Permission is hereby granted, free of charge, to any person obtaining a  *
8 * copy of this software and associated documentation files (the            *
9 * "Software"), to deal in the Software without restriction, including      *
10 * without limitation the rights to use, copy, modify, merge, publish,      *
11 * distribute, distribute with modifications, sublicense, and/or sell       *
12 * copies of the Software, and to permit persons to whom the Software is    *
13 * furnished to do so, subject to the following conditions:                 *
14 *                                                                          *
15 * The above copyright notice and this permission notice shall be included  *
16 * in all copies or substantial portions of the Software.                   *
17 *                                                                          *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
25 *                                                                          *
26 * Except as contained in this notice, the name(s) of the above copyright   *
27 * holders shall not be used in advertising or otherwise to promote the     *
28 * sale, use or other dealings in this Software without prior written       *
29 * authorization.                                                           *
30 ****************************************************************************/
31
32/****************************************************************************
33 *  Author: Thomas E. Dickey                                                *
34 ****************************************************************************/
35
36/*
37 *	home_terminfo.c -- return the $HOME/.terminfo string, expanded
38 */
39
40#include <curses.priv.h>
41#include <tic.h>
42
43MODULE_ID("$Id: home_terminfo.c,v 1.10 2023/10/17 09:52:09 nicm Exp $")
44
45/* ncurses extension...fall back on user's private directory */
46
47#define MyBuffer _nc_globals.home_terminfo
48
49NCURSES_EXPORT(char *)
50_nc_home_terminfo(void)
51{
52    char *result = 0;
53#if USE_HOME_TERMINFO
54    if (use_terminfo_vars()) {
55
56	if (MyBuffer == 0) {
57	    char *home;
58
59	    if ((home = getenv("HOME")) != 0) {
60		size_t want = (strlen(home) + sizeof(PRIVATE_INFO));
61		TYPE_MALLOC(char, want, MyBuffer);
62		_nc_SPRINTF(MyBuffer, _nc_SLIMIT(want) PRIVATE_INFO, home);
63	    }
64	}
65	result = MyBuffer;
66    }
67#endif
68    return result;
69}
70