53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
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/* uselocale -- fetch and set the current per-thread locale
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <locale.h>
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#include "localeinfo.h"
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#ifdef SHARED
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/* Switch the current thread's locale to DATASET.
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If DATASET is null, instead just return the current setting.
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The special value LC_GLOBAL_LOCALE is the initial setting
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for all threads, and means the thread uses the global
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setting controlled by `setlocale'. */
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locale_t
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__uselocale (locale_t newloc)
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{
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if (newloc == NULL)
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{
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locale_t loc = __libc_tsd_get (LOCALE);
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return loc == &_nl_global_locale ? LC_GLOBAL_LOCALE : loc;
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}
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if (newloc == LC_GLOBAL_LOCALE)
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{
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__libc_tsd_set (LOCALE, &_nl_global_locale);
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return LC_GLOBAL_LOCALE;
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}
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__libc_tsd_set (LOCALE, newloc);
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return newloc;
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}
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weak_alias (__uselocale, uselocale)
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#else
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# warning uselocale not implemented for static linking yet
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#endif
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