
1: /* Copyright (C) 1996, 97, 98, 2002, 2003 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 <resolv.h> 20: #include <tls.h> 21: 22: #if ! USE___THREAD 23: 24: # undef _res 25: extern struct __res_state _res; 26: 27: /* When threaded, _res may be a per-thread variable. */ 28: struct __res_state * 29: weak_const_function 30: __res_state (void) 31: { 32: return &_res; 33: } 34: 35: #else 36: 37: struct __res_state * 38: __res_state (void) 39: { 40: return __resp; 41: } 42: 43: #endif 44: 45: libc_hidden_def (__res_state)