1 /****************************************************************************
2 * Copyright 2020 Thomas E. Dickey *
3 * Copyright 1998-2012,2016 Free Software Foundation, Inc. *
4 * *
5 * Permission is hereby granted, free of charge, to any person obtaining a *
6 * copy of this software and associated documentation files (the *
7 * "Software"), to deal in the Software without restriction, including *
8 * without limitation the rights to use, copy, modify, merge, publish, *
9 * distribute, distribute with modifications, sublicense, and/or sell *
10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
12 * *
13 * The above copyright notice and this permission notice shall be included *
14 * in all copies or substantial portions of the Software. *
15 * *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * *
24 * Except as contained in this notice, the name(s) of the above copyright *
25 * holders shall not be used in advertising or otherwise to promote the *
26 * sale, use or other dealings in this Software without prior written *
27 * authorization. *
28 ****************************************************************************/
29
30 /****************************************************************************
31 * Author: Thomas E. Dickey *
32 ****************************************************************************/
33
34 /*
35 * home_terminfo.c -- return the $HOME/.terminfo string, expanded
36 */
37
38 #include <curses.priv.h>
39 #include <tic.h>
40
41 MODULE_ID("$Id: home_terminfo.c,v 1.17 2020/02/02 23:34:34 tom Exp $")
42
43 /* ncurses extension...fall back on user's private directory */
44
45 #define MyBuffer _nc_globals.home_terminfo
46
NCURSES_EXPORT(char *)47 NCURSES_EXPORT(char *)
48 _nc_home_terminfo(void)
49 {
50 char *result = 0;
51 #if USE_HOME_TERMINFO
52 if (use_terminfo_vars()) {
53
54 if (MyBuffer == 0) {
55 char *home;
56
57 if ((home = getenv("HOME")) != 0) {
58 size_t want = (strlen(home) + sizeof(PRIVATE_INFO));
59 TYPE_MALLOC(char, want, MyBuffer);
60 _nc_SPRINTF(MyBuffer, _nc_SLIMIT(want) PRIVATE_INFO, home);
61 }
62 }
63 result = MyBuffer;
64 }
65 #endif
66 return result;
67 }
68