1 | /* Copyright (C) 1996-2023 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <stdlib.h> |
19 | #include <utmp.h> |
20 | #include <set-freeres.h> |
21 | |
22 | /* Local buffer to store the result. */ |
23 | static struct utmp *buffer; |
24 | |
25 | struct utmp * |
26 | __getutid (const struct utmp *id) |
27 | { |
28 | struct utmp *result; |
29 | |
30 | if (buffer == NULL) |
31 | { |
32 | buffer = (struct utmp *) malloc (sizeof (struct utmp)); |
33 | if (buffer == NULL) |
34 | return NULL; |
35 | } |
36 | if (__getutid_r (id, buffer, &result) < 0) |
37 | return NULL; |
38 | |
39 | return result; |
40 | } |
41 | libc_hidden_def (__getutid) |
42 | weak_alias (__getutid, getutid) |
43 | |
44 | weak_alias (buffer, __libc_getutid_freemem_ptr) |
45 | |