86 lines
2.9 KiB
C++
86 lines
2.9 KiB
C++
#include "winsup.h"
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extern "C" {
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#include <ctype.h>
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#include "../locale/setlocale.h"
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#include <stdlib.h>
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#include <wctype.h>
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extern char *__ctype_ptr__;
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extern char _ctype_b[128 + 256];
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/* Called from newlib's setlocale(). What we do here is to copy the
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128 bytes of charset specific ctype data into the array at _ctype_b.
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Given that the functionality is usually implemented locally in the
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application, that's the only backward compatible way to do it.
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Setlocale is usually only called once in an application, so this isn't
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time-critical anyway. */
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extern int __iso_8859_index (const char *charset_ext); /* Newlib */
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extern int __cp_index (const char *charset_ext); /* Newlib */
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extern const char __ctype_cp[22][128 + 256]; /* Newlib */
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extern const char __ctype_iso[15][128 + 256]; /* Newlib */
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void
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__set_ctype (struct __locale_t *loc, const char *charset)
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{
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int idx;
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char *ctype_ptr = NULL;
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switch (*charset)
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{
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case 'I':
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idx = __iso_8859_index (charset + 9);
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/* Our ctype table has a leading ISO-8859-1 element. */
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if (idx < 0)
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idx = 0;
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else
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++idx;
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ctype_ptr = (char *) __ctype_iso[idx];
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break;
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case 'C':
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idx = __cp_index (charset + 2);
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if (idx < 0)
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break;
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ctype_ptr = (char *) __ctype_cp[idx];
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break;
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default:
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break;
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}
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if (!ctype_ptr)
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{
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ctype_ptr = (char *) _ctype_b;
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}
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loc->ctype_ptr = ctype_ptr + 127;
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/* For backward compatibilty */
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if (loc == __get_global_locale ())
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__ctype_ptr__ = loc->ctype_ptr;
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}
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} /* extern "C" */
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/*
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* Copyright (c) 1989 The Regents of the University of California.
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* All rights reserved.
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*
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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 REGENTS 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 REGENTS 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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