/* Provide a working getlogin_r for systems which lack it.
- Copyright (C) 2005-2007, 2009-2010 Free Software Foundation, Inc.
+ Copyright (C) 2005-2007, 2010-2012 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program; if not, see <http://www.gnu.org/licenses/>. */
/* Written by Paul Eggert, Derek Price, and Bruno Haible. */
int
getlogin_r (char *name, size_t size)
{
+#undef getlogin_r
#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
/* Native Windows platform. */
DWORD sz;
return ENOENT;
}
return 0;
+#elif HAVE_GETLOGIN_R
+ /* Platform with a getlogin_r() function. */
+ int ret = getlogin_r (name, size);
+
+ if (ret == 0 && memchr (name, '\0', size) == NULL)
+ /* name contains a truncated result. */
+ return ERANGE;
+ return ret;
#else
/* Platform with a getlogin() function. */
char *n;