nis/nis_domain_of.c

   1 /* Copyright (c) 1997-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library 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 GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <rpcsvc/nis.h>
  20
  21 nis_name
  22 nis_domain_of (const_nis_name name)
  23 {
  24   static char result[NIS_MAXNAMELEN + 1];
  25
  26   return nis_domain_of_r (name, result, NIS_MAXNAMELEN);
  27 }
  28
  29 const_nis_name
  30 __nis_domain_of (const_nis_name name)
  31 {
  32   const_nis_name cptr = strchr (name, '.');
  33
  34   if (cptr == NULL)
  35     return "";
  36
  37   if (*++cptr == '\0')
  38     return ".";
  39
  40   return cptr;
  41 }