131 lines
3.5 KiB
C
131 lines
3.5 KiB
C
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/* Handle special requests.
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Copyright (C) 1996-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation; version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <https://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <error.h>
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#include <libintl.h>
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#include <stdio.h>
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#include <string.h>
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#include <wchar.h>
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#include "localeinfo.h"
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/* We provide support for some special names. This helps debugging
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and may be useful for advanced usage of the provided information
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outside C. */
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void
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locale_special (const char *name, int show_category_name,
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int show_keyword_name)
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{
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#if 0
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/* "collate-elements": print collation elements of locale. */
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if (strcmp (name, "collate-elements") == 0)
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{
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size_t nelem = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_ELEM_HASH_SIZE);
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if (show_category_name)
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puts ("LC_COLLATE");
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if (show_keyword_name)
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fputs ("collate-elements=", stdout);
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if (nelem != 0)
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{
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int first = 1;
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size_t cnt;
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for (cnt = 0; cnt < nelem; ++cnt)
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if (__collate_element_hash[2 * cnt] != (~((uint32_t) 0)))
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{
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size_t idx = __collate_element_hash[2 * cnt];
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printf ("%s<%s>", first ? "" : ";",
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&__collate_element_strings[idx]);
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/* We don't print the string. This is only confusing
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because only the programs have to know the
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encoding. The code is left in place because it
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shows how to get the information. */
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{
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const wchar_t *wp;
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idx = __collate_element_hash[2 * cnt + 1];
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wp = &__collate_element_values[idx];
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while (*wp != L'\0')
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{
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/********************************************\
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|* XXX The element values are really wide *|
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|* chars. But we are currently not able to *|
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|* print these so fake here. *|
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\********************************************/
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int ch = wctob (*wp++);
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if (ch != EOF)
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putchar (ch);
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else
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fputs ("<??\?>", stdout);
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}
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putchar ('"');
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}
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first = 0;
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}
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}
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putchar ('\n');
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return;
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}
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if (strcmp (name, "collate-classes") == 0)
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{
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size_t nelem = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_SYMB_HASH_SIZE);
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size_t cnt;
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int first = 1;
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if (show_category_name)
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puts ("LC_COLLATE");
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if (show_keyword_name)
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fputs ("collate-classes=", stdout);
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for (cnt = 0; cnt < nelem; ++cnt)
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if (__collate_symbol_hash[2 * cnt] != 0xffffffff)
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{
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printf ("%s<%s>", first ? "" : ",",
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&__collate_symbol_strings[__collate_symbol_hash[2 * cnt]]);
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#if 0
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{
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size_t idx = __collate_symbol_hash[2 * cnt + 1];
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size_t cls;
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putchar ('=');
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for (cls = 0; cls < __collate_symbol_classes[idx]; ++cls)
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printf ("%s%d", cls == 0 ? "" : ":",
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__collate_symbol_classes[idx + 1 + cls]);
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}
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#endif
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first = 0;
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}
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putchar ('\n');
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return;
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}
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#endif
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/* If nothing matches, fail. */
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error (1, 0, gettext ("unknown name \"%s\""), name);
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}
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