1/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@cygnus.com>
4 and Paul Janzen <pcj@primenet.com>, 1996.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
19
20#include <errno.h>
21#include <libc-lock.h>
22#include <utmp.h>
23
24#include "utmp-private.h"
25
26
27/* We have to use the lock in getutent_r.c. */
28__libc_lock_define (extern, __libc_utmp_lock attribute_hidden)
29
30
31int
32__getutline_r (const struct utmp *line, struct utmp *buffer,
33 struct utmp **result)
34{
35 int retval;
36
37 __libc_lock_lock (__libc_utmp_lock);
38
39 retval = (*__libc_utmp_jump_table->getutline_r) (line, buffer, result);
40
41 __libc_lock_unlock (__libc_utmp_lock);
42
43 return retval;
44}
45libc_hidden_def (__getutline_r)
46weak_alias (__getutline_r, getutline_r)
47