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 <errno.h> |
19 | #include <libc-lock.h> |
20 | #include <utmp.h> |
21 | |
22 | #include "utmp-private.h" |
23 | |
24 | |
25 | /* We have to use the lock in getutent_r.c. */ |
26 | __libc_lock_define (extern, __libc_utmp_lock attribute_hidden) |
27 | |
28 | |
29 | int |
30 | __getutline_r (const struct utmp *line, struct utmp *buffer, |
31 | struct utmp **result) |
32 | { |
33 | int retval; |
34 | |
35 | __libc_lock_lock (__libc_utmp_lock); |
36 | |
37 | retval = __libc_getutline_r (line, buffer, result); |
38 | |
39 | __libc_lock_unlock (__libc_utmp_lock); |
40 | |
41 | return retval; |
42 | } |
43 | libc_hidden_def (__getutline_r) |
44 | weak_alias (__getutline_r, getutline_r) |
45 | |