Set errno for ±Inf.
[glibc/history.git] / nis / nis_domain_of.c
blob6f41b92bf75b0ae366b8e77132340dc0ba72c025
1 /* Copyright (c) 1997, 2007 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.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <rpcsvc/nis.h>
22 nis_name
23 nis_domain_of (const_nis_name name)
25 static char result[NIS_MAXNAMELEN + 1];
27 return nis_domain_of_r (name, result, NIS_MAXNAMELEN);
30 const_nis_name
31 __nis_domain_of (const_nis_name name)
33 const_nis_name cptr = strchr (name, '.');
35 if (cptr == NULL)
36 return "";
38 if (*++cptr == '\0')
39 return ".";
41 return cptr;