4b5b009cc3
* include/locale.h: Define _nl_C_locobj_ptr. * iconv/gconv_charset.h: Use _nl_C_locobj_ptr instead of using pointer to _nl_C_locobj because we also need a cast. * iconv/gconv_conf.c: Likewise. * iconv/gconv_int.h: Likewise. * iconv/gconv_open.c: Likewise. * locale/duplocale.c: Likewise. * locale/freelocale.c: Likewise. * locale/newlocale.c: Likewise. * misc/syslog.c: Likewise. * stdlib/strtod_l.c: Likewise. * sysdeps/unix/sysv/linux/getloadavg.c: Likewise.
87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/* Duplicate handle for selection of locales.
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Copyright (C) 1997, 2000, 2001, 2002, 2005 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 <string.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 attribute_hidden)
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__locale_t
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__duplocale (__locale_t dataset)
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{
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/* This static object is returned for newlocale (LC_ALL_MASK, "C"). */
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if (dataset == _nl_C_locobj_ptr)
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return dataset;
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__locale_t result;
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int cnt;
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size_t names_len = 0;
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/* Calculate the total space we need to store all the names. */
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for (cnt = 0; cnt < __LC_LAST; ++cnt)
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if (cnt != LC_ALL && dataset->__names[cnt] != _nl_C_name)
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names_len += strlen (dataset->__names[cnt]) + 1;
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/* Get memory. */
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result = malloc (sizeof (struct __locale_struct) + names_len);
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if (result != NULL)
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{
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char *namep = (char *) (result + 1);
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/* We modify global data (the usage counts). */
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__libc_lock_lock (__libc_setlocale_lock);
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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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if (dataset->__names[cnt] == _nl_C_name)
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result->__names[cnt] = _nl_C_name;
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else
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{
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result->__names[cnt] = namep;
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namep = __stpcpy (namep, dataset->__names[cnt]) + 1;
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}
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}
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/* Update the special members. */
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result->__ctype_b = dataset->__ctype_b;
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result->__ctype_tolower = dataset->__ctype_tolower;
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result->__ctype_toupper = dataset->__ctype_toupper;
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/* It's done. */
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__libc_lock_unlock (__libc_setlocale_lock);
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}
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return result;
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}
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weak_alias (__duplocale, duplocale)
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