ldd: never run file directly
[glibc.git] / login / getutid.c
blob003bc657e65cb20b62d34333b4f33cf1566c1914
1 /* Copyright (C) 1996-2017 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 #include <stdlib.h>
20 #include <utmp.h>
23 /* Local buffer to store the result. */
24 libc_freeres_ptr (static struct utmp *buffer);
26 struct utmp *
27 __getutid (const struct utmp *id)
29 struct utmp *result;
31 if (buffer == NULL)
33 buffer = (struct utmp *) malloc (sizeof (struct utmp));
34 if (buffer == NULL)
35 return NULL;
37 if (__getutid_r (id, buffer, &result) < 0)
38 return NULL;
40 return result;
42 weak_alias (__getutid, getutid)