1: /* Copyright (C) 1996,97,98,2002 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: #include <features.h>
   20: #include <netdb.h>
   21: #undef h_errno
   22: 
   23: #include <tls.h>
   24: 
   25: /* We need to have the error status variable of the resolver
   26:    accessible in the libc.  */
   27: extern __thread int h_errno;
   28: 
   29: 
   30: /* When threaded, h_errno may be a per-thread variable.  */
   31: int *
   32: __h_errno_location (void)
   33: {
   34:   return &h_errno;
   35: }