46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/* $OpenBSD: uselocale.c,v 1.1 2017/09/05 03:16:13 schwarze Exp $ */
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/*
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* Copyright (c) 2017 Ingo Schwarze <schwarze@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <errno.h>
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#include <locale.h>
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#include <tib.h>
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#include "rune.h"
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locale_t
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uselocale(locale_t newloc)
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{
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struct tib *tib;
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_RuneLocale *oldrunes;
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tib = TIB_GET();
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oldrunes = tib->tib_locale;
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if (newloc == _LOCALE_UTF8 && _Utf8RuneLocale != NULL)
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tib->tib_locale = _Utf8RuneLocale;
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else if (newloc == _LOCALE_C)
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tib->tib_locale = &_DefaultRuneLocale;
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else if (newloc == LC_GLOBAL_LOCALE)
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tib->tib_locale = NULL;
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else if (newloc != _LOCALE_NONE) {
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errno = EINVAL;
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return _LOCALE_NONE;
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}
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return oldrunes == NULL ? LC_GLOBAL_LOCALE :
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oldrunes == _Utf8RuneLocale ? _LOCALE_UTF8 : _LOCALE_C;
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}
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