1 files changed, 58 insertions, 0 deletions
diff --git a/nis/nis_domain_of_r.c b/nis/nis_domain_of_r.c
new file mode 100644
index 0000000000..3435233aef
--- /dev/null
+++ b/nis/nis_domain_of_r.c
@@ -0,0 +1,58 @@
+/* Copyright (c) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <string.h>
+#include <rpcsvc/nis.h>
+#include <rpcsvc/nislib.h>
+
+nis_name
+nis_domain_of_r (const_nis_name name, char *buffer, size_t buflen)
+{
+  char *cptr;
+  size_t cptr_len;
+
+  if (buffer == NULL)
+    {
+      errno = ERANGE;
+      return NULL;
+    }
+
+  buffer[0] = '\0';
+
+  cptr = strchr (name, '.');
+
+  if (cptr == NULL)
+    return buffer;
+
+  ++cptr;
+  cptr_len = strlen (cptr);
+
+  if (cptr_len == 0)
+    strcpy (buffer, ".");
+  else if (cptr_len >= buflen)
+    {
+      errno = ERANGE;
+      return NULL;
+    }
+  else
+    memcpy (buffer, cptr, cptr_len + 1);
+
+  return buffer;
+}