.
[glibc/history.git] / sysdeps / stub / getlogin.c
blob34acbc38a9c52c2489cb49becebec4b0d3149857
1 /* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
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 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 #include <stddef.h>
20 #include <errno.h>
21 #include <unistd.h>
23 /* Return the login name of the user, or NULL if it can't be determined.
24 The returned pointer, if not NULL, is good only until the next call. */
25 char *
26 getlogin (void)
28 __set_errno (ENOSYS);
29 return NULL;
32 stub_warning (getlogin)