![Andreas Jaeger](/assets/img/avatar_default.png)
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
393 lines
11 KiB
C
393 lines
11 KiB
C
/* Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@gnu.org>, 1995.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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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 <langinfo.h>
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#include <string.h>
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#include <sys/uio.h>
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#include <assert.h>
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#include "linereader.h"
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#include "localedef.h"
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#include "localeinfo.h"
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#include "locfile.h"
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/* The real definition of the struct for the LC_NUMERIC locale. */
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struct locale_numeric_t
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{
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const char *decimal_point;
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const char *thousands_sep;
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char *grouping;
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size_t grouping_len;
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uint32_t decimal_point_wc;
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uint32_t thousands_sep_wc;
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};
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static void
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numeric_startup (struct linereader *lr, struct localedef_t *locale,
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int ignore_content)
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{
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if (!ignore_content)
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{
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locale->categories[LC_NUMERIC].numeric =
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(struct locale_numeric_t *) xcalloc (1,
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sizeof (struct locale_numeric_t));
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}
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if (lr != NULL)
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{
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lr->translate_strings = 1;
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lr->return_widestr = 0;
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}
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}
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void
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numeric_finish (struct localedef_t *locale, struct charmap_t *charmap)
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{
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struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;
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int nothing = 0;
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/* Now resolve copying and also handle completely missing definitions. */
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if (numeric == NULL)
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{
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/* First see whether we were supposed to copy. If yes, find the
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actual definition. */
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if (locale->copy_name[LC_NUMERIC] != NULL)
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{
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/* Find the copying locale. This has to happen transitively since
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the locale we are copying from might also copying another one. */
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struct localedef_t *from = locale;
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do
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from = find_locale (LC_NUMERIC, from->copy_name[LC_NUMERIC],
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from->repertoire_name, charmap);
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while (from->categories[LC_NUMERIC].numeric == NULL
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&& from->copy_name[LC_NUMERIC] != NULL);
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numeric = locale->categories[LC_NUMERIC].numeric
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= from->categories[LC_NUMERIC].numeric;
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}
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/* If there is still no definition issue an warning and create an
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empty one. */
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if (numeric == NULL)
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{
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if (! be_quiet)
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error (0, 0, _("No definition for %s category found"),
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"LC_NUMERIC");
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numeric_startup (NULL, locale, 0);
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numeric = locale->categories[LC_NUMERIC].numeric;
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nothing = 1;
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}
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}
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/* The decimal point must not be empty. This is not said explicitly
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in POSIX but ANSI C (ISO/IEC 9899) says in 4.4.2.1 it has to be
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!= "". */
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if (numeric->decimal_point == NULL)
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{
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if (! be_quiet && ! nothing)
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error (0, 0, _("%s: field `%s' not defined"),
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"LC_NUMERIC", "decimal_point");
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numeric->decimal_point = ".";
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}
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else if (numeric->decimal_point[0] == '\0' && ! be_quiet && ! nothing)
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{
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error (0, 0, _("\
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%s: value for field `%s' must not be the empty string"),
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"LC_NUMERIC", "decimal_point");
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}
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if (numeric->decimal_point_wc == L'\0')
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numeric->decimal_point_wc = L'.';
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if (numeric->grouping_len == 0 && ! be_quiet && ! nothing)
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error (0, 0, _("%s: field `%s' not defined"), "LC_NUMERIC", "grouping");
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}
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void
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numeric_output (struct localedef_t *locale, struct charmap_t *charmap,
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const char *output_path)
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{
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struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;
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struct iovec iov[3 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC)];
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struct locale_file data;
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uint32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC)];
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size_t cnt = 0;
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data.magic = LIMAGIC (LC_NUMERIC);
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data.n = _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC);
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iov[cnt].iov_base = (void *) &data;
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iov[cnt].iov_len = sizeof (data);
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++cnt;
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iov[cnt].iov_base = (void *) idx;
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iov[cnt].iov_len = sizeof (idx);
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++cnt;
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idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len;
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iov[cnt].iov_base = (void *) (numeric->decimal_point ?: "");
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iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
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++cnt;
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idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
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iov[cnt].iov_base = (void *) (numeric->thousands_sep ?: "");
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iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
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++cnt;
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idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
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iov[cnt].iov_base = numeric->grouping;
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iov[cnt].iov_len = numeric->grouping_len;
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++cnt;
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idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
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/* Align following data */
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iov[cnt].iov_base = (void *) "\0\0";
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iov[cnt].iov_len = ((idx[cnt - 2] + 3) & ~3) - idx[cnt - 2];
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idx[cnt - 2] = (idx[cnt - 2] + 3) & ~3;
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++cnt;
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iov[cnt].iov_base = (void *) &numeric->decimal_point_wc;
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iov[cnt].iov_len = sizeof (uint32_t);
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++cnt;
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idx[cnt - 3] = idx[cnt - 4] + iov[cnt - 1].iov_len;
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iov[cnt].iov_base = (void *) &numeric->thousands_sep_wc;
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iov[cnt].iov_len = sizeof (uint32_t);
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++cnt;
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idx[cnt - 3] = idx[cnt - 4] + iov[cnt - 1].iov_len;
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iov[cnt].iov_base = (void *) charmap->code_set_name;
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iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
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assert (cnt + 1 == 3 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC));
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write_locale_data (output_path, "LC_NUMERIC",
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3 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC), iov);
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}
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/* The parser for the LC_NUMERIC section of the locale definition. */
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void
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numeric_read (struct linereader *ldfile, struct localedef_t *result,
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struct charmap_t *charmap, const char *repertoire_name,
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int ignore_content)
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{
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struct repertoire_t *repertoire = NULL;
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struct locale_numeric_t *numeric;
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struct token *now;
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enum token_t nowtok;
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/* Get the repertoire we have to use. */
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if (repertoire_name != NULL)
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repertoire = repertoire_read (repertoire_name);
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/* The rest of the line containing `LC_NUMERIC' must be free. */
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lr_ignore_rest (ldfile, 1);
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do
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{
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now = lr_token (ldfile, charmap, NULL, verbose);
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nowtok = now->tok;
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}
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while (nowtok == tok_eol);
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/* If we see `copy' now we are almost done. */
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if (nowtok == tok_copy)
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{
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handle_copy (ldfile, charmap, repertoire_name, result, tok_lc_numeric,
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LC_NUMERIC, "LC_NUMERIC", ignore_content);
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return;
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}
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/* Prepare the data structures. */
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numeric_startup (ldfile, result, ignore_content);
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numeric = result->categories[LC_NUMERIC].numeric;
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while (1)
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{
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/* Of course we don't proceed beyond the end of file. */
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if (nowtok == tok_eof)
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break;
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/* Ingore empty lines. */
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if (nowtok == tok_eol)
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{
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now = lr_token (ldfile, charmap, NULL, verbose);
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nowtok = now->tok;
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continue;
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}
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switch (nowtok)
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{
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#define STR_ELEM(cat) \
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case tok_##cat: \
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/* Ignore the rest of the line if we don't need the input of \
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this line. */ \
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if (ignore_content) \
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{ \
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lr_ignore_rest (ldfile, 0); \
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break; \
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} \
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\
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ldfile->return_widestr = 1; \
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now = lr_token (ldfile, charmap, repertoire, verbose); \
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if (now->tok != tok_string) \
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goto err_label; \
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if (numeric->cat != NULL) \
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lr_error (ldfile, _("\
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%s: field `%s' declared more than once"), "LC_NUMERIC", #cat); \
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else if (!ignore_content && now->val.str.startmb == NULL) \
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{ \
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lr_error (ldfile, _("\
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%s: unknown character in field `%s'"), "LC_NUMERIC", #cat); \
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numeric->cat = ""; \
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numeric->cat##_wc = L'\0'; \
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} \
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else if (now->val.str.startwc != NULL && now->val.str.lenwc > 2) \
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{ \
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lr_error (ldfile, _("\
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%s: value for field `%s' must be a single character"), "LC_NUMERIC", #cat); \
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} \
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else if (!ignore_content) \
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{ \
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numeric->cat = now->val.str.startmb; \
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\
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if (now->val.str.startwc != NULL) \
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numeric->cat##_wc = *now->val.str.startwc; \
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} \
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ldfile->return_widestr = 0; \
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break
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STR_ELEM (decimal_point);
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STR_ELEM (thousands_sep);
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case tok_grouping:
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/* Ignore the rest of the line if we don't need the input of
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this line. */
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if (ignore_content)
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{
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lr_ignore_rest (ldfile, 0);
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break;
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}
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now = lr_token (ldfile, charmap, NULL, verbose);
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if (now->tok != tok_minus1 && now->tok != tok_number)
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goto err_label;
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else
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{
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size_t act = 0;
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size_t max = 10;
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char *grouping = ignore_content ? NULL : xmalloc (max);
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do
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{
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if (act + 1 >= max)
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{
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max *= 2;
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grouping = xrealloc (grouping, max);
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}
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if (act > 0 && grouping[act - 1] == '\177')
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{
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lr_error (ldfile, _("\
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%s: `-1' must be last entry in `%s' field"), "LC_NUMERIC", "grouping");
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lr_ignore_rest (ldfile, 0);
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break;
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}
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if (now->tok == tok_minus1)
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{
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if (!ignore_content)
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grouping[act++] = '\177';
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}
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else if (now->val.num == 0)
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{
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/* A value of 0 disables grouping from here on but
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we must not store a NUL character since this
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terminates the string. Use something different
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which must not be used otherwise. */
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if (!ignore_content)
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grouping[act++] = '\377';
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}
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else if (now->val.num > 126)
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lr_error (ldfile, _("\
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%s: values for field `%s' must be smaller than 127"),
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"LC_NUMERIC", "grouping");
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else if (!ignore_content)
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grouping[act++] = now->val.num;
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/* Next must be semicolon. */
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now = lr_token (ldfile, charmap, NULL, verbose);
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if (now->tok != tok_semicolon)
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break;
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now = lr_token (ldfile, charmap, NULL, verbose);
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}
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while (now->tok == tok_minus1 || now->tok == tok_number);
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if (now->tok != tok_eol)
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goto err_label;
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if (!ignore_content)
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{
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grouping[act++] = '\0';
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numeric->grouping = xrealloc (grouping, act);
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numeric->grouping_len = act;
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}
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}
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break;
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case tok_end:
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/* Next we assume `LC_NUMERIC'. */
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now = lr_token (ldfile, charmap, NULL, verbose);
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if (now->tok == tok_eof)
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break;
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if (now->tok == tok_eol)
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lr_error (ldfile, _("%s: incomplete `END' line"), "LC_NUMERIC");
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else if (now->tok != tok_lc_numeric)
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lr_error (ldfile, _("\
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%1$s: definition does not end with `END %1$s'"), "LC_NUMERIC");
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lr_ignore_rest (ldfile, now->tok == tok_lc_numeric);
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return;
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default:
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err_label:
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SYNTAX_ERROR (_("%s: syntax error"), "LC_NUMERIC");
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}
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/* Prepare for the next round. */
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now = lr_token (ldfile, charmap, NULL, verbose);
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nowtok = now->tok;
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}
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/* When we come here we reached the end of the file. */
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lr_error (ldfile, _("%s: premature end of file"), "LC_NUMERIC");
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}
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