7185cb33c7
This interface isn't standardized to be thread safe so nobody can rely on it. Additionally this only thread secures setlocale, but not all the code that might depend on the current locale, so it is pointless.
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2012, 2014, 2015.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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locale/setlocale.cpp
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Set program locale.
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*******************************************************************************/
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#include <errno.h>
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#include <locale.h>
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#include <stdlib.h>
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#include <string.h>
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static char* current_locales[LC_NUM_CATEGORIES] = { NULL };
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extern "C" char* setlocale(int category, const char* locale)
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{
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if ( category < 0 || LC_ALL < category )
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return errno = EINVAL, (char*) NULL;
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char* new_strings[LC_NUM_CATEGORIES];
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int from = category != LC_ALL ? category : 0;
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int to = category != LC_ALL ? category : LC_NUM_CATEGORIES - 1;
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if ( !locale )
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return current_locales[to] ? current_locales[to] : (char*) "C";
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for ( int i = from; i <= to; i++ )
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{
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if ( !(new_strings[i] = strdup(locale)) )
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{
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for ( int n = from; n < i; n++ )
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free(new_strings[n]);
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return (char*) NULL;
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}
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}
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for ( int i = from; i <= to; i++ )
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{
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free(current_locales[i]);
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current_locales[i] = new_strings[i];
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}
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return (char*) locale;
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}
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