1 /* Provide a working getlogin_r for systems which lack it.
3 Copyright (C) 2005 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 This program 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
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
19 /* written by Paul Eggert and Derek Price */
23 #include "getlogin_r.h"
32 #if !HAVE_DECL_GETLOGIN
33 char *getlogin (void);
36 /* See getlogin_r.h for documentation. */
38 getlogin_r (char *name, size_t size)
41 int save_errno = errno;
47 size_t nlen = strlen (n);
50 memcpy (name, n, nlen + 1);
56 if (errno) return errno;