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/* $OpenBSD: newlocale.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 <string.h> |
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#include "rune.h" |
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locale_t |
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newlocale(int mask, const char *locname, |
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locale_t oldloc __attribute__((__unused__))) |
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{ |
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int ic, flag; |
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/* Invalid input. */ |
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if (locname == NULL || mask & ~LC_ALL_MASK) { |
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errno = EINVAL; |
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return _LOCALE_NONE; |
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} |
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/* Check the syntax for all selected categories. */ |
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for (ic = flag = 1; ic < _LC_LAST; ic++) { |
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flag <<= 1; |
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if (ic != LC_CTYPE && mask & flag && |
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_get_locname(ic, locname) == NULL) { |
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errno = ENOENT; |
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return _LOCALE_NONE; |
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} |
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} |
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/* Only character encoding has thread-specific effects. */ |
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if ((mask & LC_CTYPE_MASK) == 0) |
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return _LOCALE_C; |
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/* The following may initialize UTF-8 for later use. */ |
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if ((locname = _get_locname(LC_CTYPE, locname)) == NULL) { |
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errno = ENOENT; |
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return _LOCALE_NONE; |
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} |
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return strchr(locname, '.') == NULL ? _LOCALE_C : _LOCALE_UTF8; |
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} |