1: /* Copyright (C) 1994,95,97,2000,02 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, write to the Free
   16:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   17:    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/param.h>
   26: #include <sys/utsname.h>
   27: #include <string.h>
   28: 
   29: #if _UTSNAME_DOMAIN_LENGTH
   30: /* The `uname' information includes the domain name.  */
   31: 
   32: int
   33: getdomainname (name, len)
   34:     char *name;
   35:     size_t len;
   36: {
   37:   struct utsname u;
   38:   size_t u_len;
   39: 
   40:   if (uname (&u) < 0)
   41:     return -1;
   42: 
   43:   u_len = strlen (u.domainname);
   44:   memcpy (name, u.domainname, MIN (u_len + 1, len));
   45:   return 0;
   46: }
   47: 
   48: #else
   49: 
   50: int
   51: getdomainname (name, len)
   52:      char *name;
   53:      size_t len;
   54: {
   55:   __set_errno (ENOSYS);
   56:   return -1;
   57: }
   58: 
   59: stub_warning (getdomainname)
   60: #include <stub-tag.h>
   61: 
   62: #endif
   63: 
   64: libc_hidden_def (getdomainname)