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-rw-r--r--resolv/res-state.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/resolv/res-state.c b/resolv/res-state.c
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+/* 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)