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[glibc.git] / login / getutline_r.c
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1 /* Copyright (C) 1996, 1997, 2002, 2004 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.
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.
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.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
21 #include <errno.h>
22 #include <bits/libc-lock.h>
23 #include <utmp.h>
25 #include "utmp-private.h"
28 /* We have to use the lock in getutent_r.c. */
29 __libc_lock_define (extern, __libc_utmp_lock attribute_hidden)
32 int
33 __getutline_r (const struct utmp *line, struct utmp *buffer,
34 struct utmp **result)
36 int retval;
38 __libc_lock_lock (__libc_utmp_lock);
40 retval = (*__libc_utmp_jump_table->getutline_r) (line, buffer, result);
42 __libc_lock_unlock (__libc_utmp_lock);
44 return retval;
46 weak_alias (__getutline_r, getutline_r)