sysdeps/generic/getdomain.c

   1 /* Copyright (C) 1994, 1995, 1997 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 Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    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    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 /* Put the name of the current YP domain in no more than LEN bytes of NAME.
  20    The result is null-terminated if LEN is large enough for the full
  21    name and the terminator.  */
  22
  23 #include <errno.h>
  24 #include <unistd.h>
  25 #include <sys/utsname.h>
  26 #include <string.h>
  27
  28 #if _UTSNAME_DOMAIN_LENGTH
  29 /* The `uname' information includes the domain name.  */
  30
  31 int
  32 getdomainname (name, len)
  33     char *name;
  34     size_t len;
  35 {
  36   struct utsname u;
  37
  38   if (uname (&u) < 0)
  39     return -1;
  40
  41   strncpy (name, u.domainname, len);
  42   return 0;
  43 }
  44
  45 #else
  46
  47 int
  48 getdomainname (name, len)
  49      char *name;
  50      size_t len;
  51 {
  52   __set_errno (ENOSYS);
  53   return -1;
  54 }
  55
  56 stub_warning (getdomainname)
  57 #include <stub-tag.h>
  58
  59 #endif