1: /* MT support function to get address of `errno' variable, non-threaded
    2:    version.
    3:    Copyright (C) 1996, 1998, 2002, 2004 Free Software Foundation, Inc.
    4:    This file is part of the GNU C Library.
    5: 
    6:    The GNU C Library is free software; you can redistribute it and/or
    7:    modify it under the terms of the GNU Lesser General Public
    8:    License as published by the Free Software Foundation; either
    9:    version 2.1 of the License, or (at your option) any later version.
   10: 
   11:    The GNU C Library is distributed in the hope that it will be useful,
   12:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   13:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   14:    Lesser General Public License for more details.
   15: 
   16:    You should have received a copy of the GNU Lesser General Public
   17:    License along with the GNU C Library; if not, write to the Free
   18:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   19:    02111-1307 USA.  */
   20: 
   21: #include <errno.h>
   22: #include <tls.h>
   23: 
   24: #if ! USE___THREAD && !RTLD_PRIVATE_ERRNO
   25: #undef errno
   26: extern int errno;
   27: #endif
   28: 
   29: int *
   30: #if ! USE___THREAD
   31: weak_const_function
   32: #endif
   33: __errno_location (void)
   34: {
   35:   return &errno;
   36: }
   37: libc_hidden_def (__errno_location)