/* xgetdomainname.c -- Return the NIS domain name, without size limitations.
- Copyright (C) 1992, 1996, 2000, 2001, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1996, 2000-2001, 2003-2004, 2006, 2008-2013 Free
+ Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ 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
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Based on xgethostname.c, written by Jim Meyering. */
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
/* Specification. */
#include "xgetdomainname.h"
/* Get getdomainname. */
-#include "getdomainname.h"
+#include <unistd.h>
/* Get errno. */
#include <errno.h>
+/* Get free. */
+#include <stdlib.h>
+
#include "xalloc.h"
#ifndef INITIAL_DOMAINNAME_LENGTH
domainname[k] = '\0';
err = getdomainname (domainname, size);
if (err >= 0 && domainname[k] == '\0')
- break;
+ break;
else if (err < 0 && errno != EINVAL)
- {
- int saved_errno = errno;
- free (domainname);
- errno = saved_errno;
- return NULL;
- }
+ {
+ int saved_errno = errno;
+ free (domainname);
+ errno = saved_errno;
+ return NULL;
+ }
size *= 2;
domainname = xrealloc (domainname, size);
}