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112 lines
3.6 KiB
C
112 lines
3.6 KiB
C
/*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <limits.h>
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#include <string.h>
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#include "lctype.h"
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#include "ldpart.h"
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#include "setlocale.h"
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#define LCCTYPE_SIZE (sizeof(struct lc_ctype_T) / sizeof(char *))
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static char numone[] = { '\1', '\0'};
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static const struct lc_ctype_T _C_ctype_locale = {
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"ASCII", /* codeset */
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numone /* mb_cur_max */
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#ifdef __HAVE_LOCALE_INFO_EXTENDED__
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,
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{ "0", "1", "2", "3", "4", /* outdigits */
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"5", "6", "7", "8", "9" },
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{ L"0", L"1", L"2", L"3", L"4", /* woutdigits */
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L"5", L"6", L"7", L"8", L"9" }
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#endif
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};
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static struct lc_ctype_T _ctype_locale;
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static int _ctype_using_locale;
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#ifdef __HAVE_LOCALE_INFO_EXTENDED__
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static char *_ctype_locale_buf;
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#else
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/* Max encoding_len + NUL byte + 1 byte mb_cur_max plus trailing NUL byte */
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#define _CTYPE_BUF_SIZE (ENCODING_LEN + 3)
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static char _ctype_locale_buf[_CTYPE_BUF_SIZE];
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#endif
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int
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__ctype_load_locale(const char *name, void *f_wctomb, const char *charset,
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int mb_cur_max)
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{
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int ret;
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#ifdef __CYGWIN__
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extern int __set_lc_ctype_from_win (const char *,
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const struct lc_ctype_T *,
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struct lc_ctype_T *, char **,
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void *, const char *, int);
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int old_ctype_using_locale = _ctype_using_locale;
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_ctype_using_locale = 0;
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ret = __set_lc_ctype_from_win (name, &_C_ctype_locale, &_ctype_locale,
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&_ctype_locale_buf, f_wctomb, charset,
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mb_cur_max);
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/* ret == -1: error, ret == 0: C/POSIX, ret > 0: valid */
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if (ret < 0)
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_ctype_using_locale = old_ctype_using_locale;
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else
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{
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_ctype_using_locale = ret;
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ret = 0;
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}
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#elif !defined (__HAVE_LOCALE_INFO_EXTENDED__)
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if (!strcmp (name, "C"))
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_ctype_using_locale = 0;
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else
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{
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_ctype_locale.codeset = strcpy (_ctype_locale_buf, charset);
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char *mbc = _ctype_locale_buf + _CTYPE_BUF_SIZE - 2;
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mbc[0] = mb_cur_max;
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mbc[1] = '\0';
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_ctype_locale.mb_cur_max = mbc;
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_ctype_using_locale = 1;
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}
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ret = 0;
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#else
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ret = __part_load_locale(name, &_ctype_using_locale,
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_ctype_locale_buf, "LC_CTYPE",
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LCCTYPE_SIZE, LCCTYPE_SIZE,
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(const char **)&_ctype_locale);
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if (ret == 0 && _ctype_using_locale)
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_ctype_locale.grouping =
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__fix_locale_grouping_str(_ctype_locale.grouping);
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#endif
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return ret;
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}
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struct lc_ctype_T *
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__get_current_ctype_locale(void) {
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return (_ctype_using_locale
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? &_ctype_locale
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: (struct lc_ctype_T *)&_C_ctype_locale);
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}
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