1 /* getlogin_r declaration
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. */
25 #if !HAVE_DECL_GETLOGIN_R
26 /* Copies the user's login name to NAME.
27 The array pointed to by NAME has room for SIZE bytes.
29 Returns 0 if successful. Upon error, an error number is returned, or -1 in
30 the case that the login name cannot be found but no specific error is
31 provided by getlogin (getlogin returned NULL and did not set errno - this
32 case is hopefully rare but is left open by the POSIX spec).
34 See <http://www.opengroup.org/onlinepubs/009695399/functions/getlogin.html>.
36 int getlogin_r (char *name, size_t size);