1 files changed, 52 insertions, 0 deletions
diff --git a/locale/uselocale.c b/locale/uselocale.c
new file mode 100644
index 0000000000..1e819381de
--- /dev/null
+++ b/locale/uselocale.c
@@ -0,0 +1,52 @@
+/* uselocale -- fetch and set the current per-thread locale
+   Copyright (C) 2002 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 <locale.h>
+#include "localeinfo.h"
+
+#ifdef SHARED
+
+/* Switch the current thread's locale to DATASET.
+   If DATASET is null, instead just return the current setting.
+   The special value LC_GLOBAL_LOCALE is the initial setting
+   for all threads, and means the thread uses the global
+   setting controlled by `setlocale'.  */
+locale_t
+__uselocale (locale_t newloc)
+{
+  if (newloc == NULL)
+    {
+      locale_t loc = __libc_tsd_get (LOCALE);
+      return loc == &_nl_global_locale ? LC_GLOBAL_LOCALE : loc;
+    }
+  if (newloc == LC_GLOBAL_LOCALE)
+    {
+      __libc_tsd_set (LOCALE, &_nl_global_locale);
+      return LC_GLOBAL_LOCALE;
+    }
+  __libc_tsd_set (LOCALE, newloc);
+  return newloc;
+}
+weak_alias (__uselocale, uselocale)
+
+#else
+
+# warning uselocale not implemented for static linking yet
+
+#endif