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 #include <shlib-compat.h>
  21
  22 nis_name
  23 nis_domain_of (const_nis_name name)
  24 {
  25   static char result[NIS_MAXNAMELEN + 1];
  26
  27   return nis_domain_of_r (name, result, NIS_MAXNAMELEN);
  28 }
  29 libnsl_hidden_nolink_def (nis_domain_of, GLIBC_2_1)
  30
  31 const_nis_name
  32 __nis_domain_of (const_nis_name name)
  33 {
  34   const_nis_name cptr = strchr (name, '.');
  35
  36   if (cptr == NULL)
  37     return "";
  38
  39   if (*++cptr == '\0')
  40     return ".";
  41
  42   return cptr;
  43 }