1/* Copyright (C) 1996-2022 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
21
22/* Local buffer to store the result. */
23libc_freeres_ptr (static struct utmp *buffer);
24
25
26struct utmp *
27__getutline (const struct utmp *line)
28{
29 struct utmp *result;
30
31 if (buffer == NULL)
32 {
33 buffer = (struct utmp *) malloc (size: sizeof (struct utmp));
34 if (buffer == NULL)
35 return NULL;
36 }
37 if (__getutline_r (line, buffer, &result) < 0)
38 return NULL;
39
40 return result;
41}
42libc_hidden_def (__getutline)
43weak_alias (__getutline, getutline)
44

source code of glibc/login/getutline.c