1/* Reentrant function to return the current login name. Stub version.
2 Copyright (C) 1996-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
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.
9
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.
14
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 <https://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <unistd.h>
21
22/* Return at most NAME_LEN characters of the login name of the user in NAME.
23 If it cannot be determined or some other error occurred, return the error
24 code. Otherwise return 0. */
25int
26__getlogin_r (char *name, size_t name_len)
27{
28 __set_errno (ENOSYS);
29 return errno;
30}
31libc_hidden_def (__getlogin_r)
32weak_alias (__getlogin_r, getlogin_r)
33libc_hidden_weak (getlogin_r)
34
35stub_warning (getlogin_r)
36

source code of glibc/login/getlogin_r.c