63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2012.
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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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#define __SORTIX_STDLIB_REDIRECTS 0
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#include <stdlib.h>
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#include <string.h>
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#include <locale.h>
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#include <errno.h>
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static char* current_locales[LC_NUM_CATEGORIES] = { NULL };
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extern "C" const char* sortix_setlocale(int category, const char* locale)
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{
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if ( category < 0 || LC_ALL < category ) { errno = EINVAL; return NULL; }
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char* new_strings[LC_NUM_CATEGORIES];
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int from = category;
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int to = category;
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if ( !locale )
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return current_locales[to] ? current_locales[to] : "C";
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if ( category == LC_ALL ) { from = 0; to = LC_NUM_CATEGORIES-1; }
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for ( int i = from; i <= to; i++ )
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{
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new_strings[i] = strdup(locale);
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if ( !new_strings[i] )
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{
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for ( int n = from; n < i; n++ ) { free(new_strings[n]); }
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return 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 locale;
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}
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extern "C" char* setlocale(int category, const char* locale)
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{
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return (char*) sortix_setlocale(category, locale);
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}
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