1 /* Copyright (c) 1997-2022 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3 
4    The GNU C Library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Lesser General Public
6    License as published by the Free Software Foundation; either
7    version 2.1 of the License, or (at your option) any later version.
8 
9    The GNU C Library is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Lesser General Public License for more details.
13 
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, see
16    <https://www.gnu.org/licenses/>.  */
17 
18 #include <rpcsvc/nis.h>
19 #include <shlib-compat.h>
20 
21 nis_name
nis_domain_of(const_nis_name 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 }
libnsl_hidden_nolink_def(nis_domain_of,GLIBC_2_1)28 libnsl_hidden_nolink_def (nis_domain_of, GLIBC_2_1)
29 
30 const_nis_name
31 __nis_domain_of (const_nis_name name)
32 {
33   const_nis_name cptr = strchr (name, '.');
34 
35   if (cptr == NULL)
36     return "";
37 
38   if (*++cptr == '\0')
39     return ".";
40 
41   return cptr;
42 }
43