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1 | /* shell.c -- tilde utility functions that are normally provided by |
2 | bash when readline is linked as part of the shell. */ | |
3 | ||
3185942a | 4 | /* Copyright (C) 1998-2009 Free Software Foundation, Inc. |
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5 | |
6 | This file is part of the GNU Tilde Library. | |
7 | ||
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8 | The GNU Tilde Library is free software: you can redistribute it and/or |
9 | modify it under the terms of the GNU General Public License as published | |
10 | by the Free Software Foundation, either version 3 of the License, or | |
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11 | (at your option) any later version. |
12 | ||
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13 | The GNU Tilde Library is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
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16 | GNU General Public License for more details. |
17 | ||
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18 | You should have received a copy of the GNU General Public License |
19 | along with the GNU Tilde Library. If not, see <http://www.gnu.org/licenses/>. | |
20 | */ | |
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21 | |
22 | #if defined (HAVE_CONFIG_H) | |
23 | # include <config.h> | |
24 | #endif | |
25 | ||
26 | #if defined (HAVE_UNISTD_H) | |
27 | # ifdef _MINIX | |
28 | # include <sys/types.h> | |
29 | # endif | |
30 | # include <unistd.h> | |
31 | #endif /* HAVE_UNISTD_H */ | |
32 | ||
33 | #if defined (HAVE_STDLIB_H) | |
34 | # include <stdlib.h> | |
35 | #else | |
36 | # include "ansi_stdlib.h" | |
37 | #endif /* HAVE_STDLIB_H */ | |
38 | ||
39 | #if defined (HAVE_STRING_H) | |
40 | # include <string.h> | |
41 | #else | |
42 | # include <strings.h> | |
43 | #endif /* !HAVE_STRING_H */ | |
44 | ||
45 | #include <pwd.h> | |
46 | ||
47 | #if !defined (HAVE_GETPW_DECLS) | |
48 | extern struct passwd *getpwuid (); | |
49 | #endif /* !HAVE_GETPW_DECLS */ | |
50 | ||
51 | char * | |
52 | get_env_value (varname) | |
53 | char *varname; | |
54 | { | |
55 | return ((char *)getenv (varname)); | |
56 | } | |
57 | ||
58 | char * | |
59 | get_home_dir () | |
60 | { | |
61 | char *home_dir; | |
62 | struct passwd *entry; | |
63 | ||
64 | home_dir = (char *)NULL; | |
65 | entry = getpwuid (getuid ()); | |
66 | if (entry) | |
67 | home_dir = entry->pw_dir; | |
68 | return (home_dir); | |
69 | } |