231 lines
6.5 KiB
C
231 lines
6.5 KiB
C
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/* Copyright (C) 1998-2022 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 <langinfo.h>
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#include <string.h>
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#include <stdint.h>
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#include <sys/uio.h>
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#include <assert.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_MEASUREMENT locale. */
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struct locale_measurement_t
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{
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unsigned char measurement;
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};
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static void
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measurement_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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locale->categories[LC_MEASUREMENT].measurement =
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(struct locale_measurement_t *)
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xcalloc (1, sizeof (struct locale_measurement_t));
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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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measurement_finish (struct localedef_t *locale,
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const struct charmap_t *charmap)
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{
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struct locale_measurement_t *measurement =
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locale->categories[LC_MEASUREMENT].measurement;
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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 (measurement == 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_MEASUREMENT] != 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_MEASUREMENT,
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from->copy_name[LC_MEASUREMENT],
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from->repertoire_name, charmap);
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while (from->categories[LC_MEASUREMENT].measurement == NULL
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&& from->copy_name[LC_MEASUREMENT] != NULL);
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measurement = locale->categories[LC_MEASUREMENT].measurement
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= from->categories[LC_MEASUREMENT].measurement;
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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 (measurement == NULL)
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{
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record_warning (_("\
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No definition for %s category found"), "LC_MEASUREMENT");
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measurement_startup (NULL, locale, 0);
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measurement = locale->categories[LC_MEASUREMENT].measurement;
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nothing = 1;
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}
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}
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if (measurement->measurement == 0)
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{
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if (! nothing)
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record_error (0, 0, _("%s: field `%s' not defined"),
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"LC_MEASUREMENT", "measurement");
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/* Use as the default value the value of the i18n locale. */
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measurement->measurement = 1;
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}
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else
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{
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if (measurement->measurement > 3)
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record_error (0, 0, _("%s: invalid value for field `%s'"),
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"LC_MEASUREMENT", "measurement");
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}
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}
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void
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measurement_output (struct localedef_t *locale,
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const struct charmap_t *charmap, const char *output_path)
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{
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struct locale_measurement_t *measurement =
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locale->categories[LC_MEASUREMENT].measurement;
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struct locale_file file;
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init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_MEASUREMENT));
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add_locale_char (&file, measurement->measurement);
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add_locale_string (&file, charmap->code_set_name);
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write_locale_data (output_path, LC_MEASUREMENT, "LC_MEASUREMENT", &file);
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}
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/* The parser for the LC_MEASUREMENT section of the locale definition. */
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void
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measurement_read (struct linereader *ldfile, struct localedef_t *result,
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const struct charmap_t *charmap, const char *repertoire_name,
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int ignore_content)
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{
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struct locale_measurement_t *measurement;
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struct token *now;
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struct token *arg;
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enum token_t nowtok;
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/* The rest of the line containing `LC_MEASUREMENT' 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, result, 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,
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tok_lc_measurement, LC_MEASUREMENT, "LC_MEASUREMENT",
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ignore_content);
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return;
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}
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/* Prepare the data structures. */
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measurement_startup (ldfile, result, ignore_content);
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measurement = result->categories[LC_MEASUREMENT].measurement;
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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, result, 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 INT_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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arg = lr_token (ldfile, charmap, result, NULL, verbose); \
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if (arg->tok != tok_number) \
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goto err_label; \
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else if (measurement->cat != 0) \
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lr_error (ldfile, _("%s: field `%s' declared more than once"), \
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"LC_MEASUREMENT", #cat); \
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else if (!ignore_content) \
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measurement->cat = arg->val.num; \
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break
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INT_ELEM (measurement);
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case tok_end:
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/* Next we assume `LC_MEASUREMENT'. */
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arg = lr_token (ldfile, charmap, result, NULL, verbose);
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if (arg->tok == tok_eof)
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break;
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if (arg->tok == tok_eol)
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lr_error (ldfile, _("%s: incomplete `END' line"),
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"LC_MEASUREMENT");
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else if (arg->tok != tok_lc_measurement)
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lr_error (ldfile, _("\
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%1$s: definition does not end with `END %1$s'"), "LC_MEASUREMENT");
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lr_ignore_rest (ldfile, arg->tok == tok_lc_measurement);
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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_MEASUREMENT");
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}
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/* Prepare for the next round. */
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now = lr_token (ldfile, charmap, result, 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"),
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"LC_MEASUREMENT");
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}
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