2 files changed, 77 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/lib/xgetdomainname.c b/gnulib/lib/xgetdomainname.c
new file mode 100644
index 0000000..54e4ddd
--- /dev/null
+++ b/gnulib/lib/xgetdomainname.c
@@ -0,0 +1,77 @@
+/* xgetdomainname.c -- Return the NIS domain name, without size limitations.
+   Copyright (C) 1992, 1996, 2000-2001, 2003-2004, 2006, 2008-2011 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
+   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
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   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, see <http://www.gnu.org/licenses/>.  */
+
+/* Based on xgethostname.c, written by Jim Meyering.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include "xgetdomainname.h"
+
+/* Get getdomainname.  */
+#include <unistd.h>
+
+/* Get errno.  */
+#include <errno.h>
+
+/* Get free.  */
+#include <stdlib.h>
+
+#include "xalloc.h"
+
+#ifndef INITIAL_DOMAINNAME_LENGTH
+# define INITIAL_DOMAINNAME_LENGTH 34
+#endif
+
+/* Return the NIS domain name of the machine, in malloc'd storage.
+   WARNING! The NIS domain name is unrelated to the fully qualified host name
+            of the machine.  It is also unrelated to email addresses.
+   WARNING! The NIS domain name is usually the empty string or "(none)" when
+            not using NIS.
+   If malloc fails, exit.
+   Upon any other failure, set errno and return NULL.  */
+char *
+xgetdomainname (void)
+{
+  char *domainname;
+  size_t size;
+
+  size = INITIAL_DOMAINNAME_LENGTH;
+  domainname = xmalloc (size);
+  while (1)
+    {
+      int k = size - 1;
+      int err;
+
+      errno = 0;
+      domainname[k] = '\0';
+      err = getdomainname (domainname, size);
+      if (err >= 0 && domainname[k] == '\0')
+        break;
+      else if (err < 0 && errno != EINVAL)
+        {
+          int saved_errno = errno;
+          free (domainname);
+          errno = saved_errno;
+          return NULL;
+        }
+      size *= 2;
+      domainname = xrealloc (domainname, size);
+    }
+
+  return domainname;
+}