41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/* Duplicate handle for selection of locales.
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Copyright (C) 1997, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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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 <bits/libc-lock.h>
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#include <stdlib.h>
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#include <localeinfo.h>
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/* Lock for protecting global data. */
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__libc_lock_define (extern , __libc_setlocale_lock)
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__locale_t
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__duplocale (__locale_t dataset)
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{
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__locale_t result;
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/* We modify global data. */
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__libc_lock_lock (__libc_setlocale_lock);
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/* Get memory. */
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result = (__locale_t) malloc (sizeof (struct __locale_struct));
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if (result != NULL)
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{
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int cnt;
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for (cnt = 0; cnt < __LC_LAST; ++cnt)
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if (cnt != LC_ALL)
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{
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result->__locales[cnt] = dataset->__locales[cnt];
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if (result->__locales[cnt]->usage_count < MAX_USAGE_COUNT)
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++result->__locales[cnt]->usage_count;
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}
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}
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/* It's done. */
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__libc_lock_unlock (__libc_setlocale_lock);
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return result;
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}
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