2.5-18.1

resolv/res-state.c

@@ -0,0 +1,45 @@
+/* Copyright (C) 1996, 97, 98, 2002, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <resolv.h>
+#include <tls.h>
+
+#if ! USE___THREAD
+
+# undef _res
+extern struct __res_state _res;
+
+/* When threaded, _res may be a per-thread variable.  */
+struct __res_state *
+weak_const_function
+__res_state (void)
+{
+  return &_res;
+}
+
+#else
+
+struct __res_state *
+__res_state (void)
+{
+  return __resp;
+}
+
+#endif
+
+libc_hidden_def (__res_state)