glibc/locale/programs/ld-monetary.c

/* Copyright (C) 1995-2017 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@gnu.org>, 1995.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published
   by the Free Software Foundation; version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, see <http://www.gnu.org/licenses/>.  */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <byteswap.h>
#include <langinfo.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <sys/uio.h>

#include <assert.h>

#include "localedef.h"
#include "linereader.h"
#include "localeinfo.h"
#include "locfile.h"


/* The real definition of the struct for the LC_MONETARY locale.  */
struct locale_monetary_t
{
  const char *int_curr_symbol;
  const char *currency_symbol;
  const char *mon_decimal_point;
  const char *mon_thousands_sep;
  uint32_t mon_decimal_point_wc;
  uint32_t mon_thousands_sep_wc;
  char *mon_grouping;
  size_t mon_grouping_len;
  const char *positive_sign;
  const char *negative_sign;
  signed char int_frac_digits;
  signed char frac_digits;
  signed char p_cs_precedes;
  signed char p_sep_by_space;
  signed char n_cs_precedes;
  signed char n_sep_by_space;
  signed char p_sign_posn;
  signed char n_sign_posn;
  signed char int_p_cs_precedes;
  signed char int_p_sep_by_space;
  signed char int_n_cs_precedes;
  signed char int_n_sep_by_space;
  signed char int_p_sign_posn;
  signed char int_n_sign_posn;
  const char *duo_int_curr_symbol;
  const char *duo_currency_symbol;
  signed char duo_int_frac_digits;
  signed char duo_frac_digits;
  signed char duo_p_cs_precedes;
  signed char duo_p_sep_by_space;
  signed char duo_n_cs_precedes;
  signed char duo_n_sep_by_space;
  signed char duo_p_sign_posn;
  signed char duo_n_sign_posn;
  signed char duo_int_p_cs_precedes;
  signed char duo_int_p_sep_by_space;
  signed char duo_int_n_cs_precedes;
  signed char duo_int_n_sep_by_space;
  signed char duo_int_p_sign_posn;
  signed char duo_int_n_sign_posn;
  uint32_t uno_valid_from;
  uint32_t uno_valid_to;
  uint32_t duo_valid_from;
  uint32_t duo_valid_to;
  uint32_t conversion_rate[2];
  char *crncystr;
};


/* The content iof the field int_curr_symbol has to be taken from
   ISO-4217.  We test for correct values.  */
#define DEFINE_INT_CURR(str) str,
static const char *const valid_int_curr[] =
  {
#   include "../iso-4217.def"
  };
#define NR_VALID_INT_CURR ((sizeof (valid_int_curr) \
			    / sizeof (valid_int_curr[0])))
#undef DEFINE_INT_CURR


/* Prototypes for local functions.  */
static int curr_strcmp (const char *s1, const char **s2);


static void
monetary_startup (struct linereader *lr, struct localedef_t *locale,
		  int ignore_content)
{
  if (!ignore_content)
    {
      struct locale_monetary_t *monetary;

      locale->categories[LC_MONETARY].monetary = monetary =
	(struct locale_monetary_t *) xmalloc (sizeof (*monetary));

      memset (monetary, '\0', sizeof (struct locale_monetary_t));

      monetary->mon_grouping = NULL;
      monetary->mon_grouping_len = 0;

      monetary->int_frac_digits = -2;
      monetary->frac_digits = -2;
      monetary->p_cs_precedes = -2;
      monetary->p_sep_by_space = -2;
      monetary->n_cs_precedes = -2;
      monetary->n_sep_by_space = -2;
      monetary->p_sign_posn = -2;
      monetary->n_sign_posn = -2;
      monetary->int_p_cs_precedes = -2;
      monetary->int_p_sep_by_space = -2;
      monetary->int_n_cs_precedes = -2;
      monetary->int_n_sep_by_space = -2;
      monetary->int_p_sign_posn = -2;
      monetary->int_n_sign_posn = -2;
      monetary->duo_int_frac_digits = -2;
      monetary->duo_frac_digits = -2;
      monetary->duo_p_cs_precedes = -2;
      monetary->duo_p_sep_by_space = -2;
      monetary->duo_n_cs_precedes = -2;
      monetary->duo_n_sep_by_space = -2;
      monetary->duo_p_sign_posn = -2;
      monetary->duo_n_sign_posn = -2;
      monetary->duo_int_p_cs_precedes = -2;
      monetary->duo_int_p_sep_by_space = -2;
      monetary->duo_int_n_cs_precedes = -2;
      monetary->duo_int_n_sep_by_space = -2;
      monetary->duo_int_p_sign_posn = -2;
      monetary->duo_int_n_sign_posn = -2;
    }

  if (lr != NULL)
    {
      lr->translate_strings = 1;
      lr->return_widestr = 0;
    }
}


void
monetary_finish (struct localedef_t *locale, const struct charmap_t *charmap)
{
  struct locale_monetary_t *monetary
    = locale->categories[LC_MONETARY].monetary;
  int nothing = 0;

  /* Now resolve copying and also handle completely missing definitions.  */
  if (monetary == NULL)
    {
      /* First see whether we were supposed to copy.  If yes, find the
	 actual definition.  */
      if (locale->copy_name[LC_MONETARY] != NULL)
	{
	  /* Find the copying locale.  This has to happen transitively since
	     the locale we are copying from might also copying another one.  */
	  struct localedef_t *from = locale;

	  do
	    from = find_locale (LC_MONETARY, from->copy_name[LC_MONETARY],
				from->repertoire_name, charmap);
	  while (from->categories[LC_MONETARY].monetary == NULL
		 && from->copy_name[LC_MONETARY] != NULL);

	  monetary = locale->categories[LC_MONETARY].monetary
	    = from->categories[LC_MONETARY].monetary;
	}

      /* If there is still no definition issue an warning and create an
	 empty one.  */
      if (monetary == NULL)
	{
	  if (! be_quiet)
	    WITH_CUR_LOCALE (error (0, 0, _("\
No definition for %s category found"), "LC_MONETARY"));
	  monetary_startup (NULL, locale, 0);
	  monetary = locale->categories[LC_MONETARY].monetary;
	  nothing = 1;
	}
    }

#define TEST_ELEM(cat, initval) \
  if (monetary->cat == NULL)						      \
    {									      \
      if (! be_quiet && ! nothing)					      \
	WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),	      \
				"LC_MONETARY", #cat));			      \
      monetary->cat = initval;						      \
    }

  TEST_ELEM (int_curr_symbol, "");
  TEST_ELEM (currency_symbol, "");
  TEST_ELEM (mon_decimal_point, ".");
  TEST_ELEM (mon_thousands_sep, "");
  TEST_ELEM (positive_sign, "");
  TEST_ELEM (negative_sign, "");

  /* The international currency symbol must come from ISO 4217.  */
  if (monetary->int_curr_symbol != NULL)
    {
      if (strlen (monetary->int_curr_symbol) != 4)
	{
	  if (! be_quiet && ! nothing)
	    WITH_CUR_LOCALE (error (0, 0, _("\
%s: value of field `int_curr_symbol' has wrong length"),
				    "LC_MONETARY"));
	}
      else
	{ /* Check the first three characters against ISO 4217 */
	  char symbol[4];
	  strncpy (symbol, monetary->int_curr_symbol, 3);
	  symbol[3] = '\0';
	  if (bsearch (symbol, valid_int_curr, NR_VALID_INT_CURR,
		       sizeof (const char *),
		       (comparison_fn_t) curr_strcmp) == NULL
	       && !be_quiet)
	    WITH_CUR_LOCALE (error (0, 0, _("\
%s: value of field `int_curr_symbol' does \
not correspond to a valid name in ISO 4217"),
				"LC_MONETARY"));
	}
    }

  /* The decimal point must not be empty.  This is not said explicitly
     in POSIX but ANSI C (ISO/IEC 9899) says in 4.4.2.1 it has to be
     != "".  */
  if (monetary->mon_decimal_point == NULL)
    {
      if (! be_quiet && ! nothing)
	WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),
				"LC_MONETARY", "mon_decimal_point"));
      monetary->mon_decimal_point = ".";
    }
  else if (monetary->mon_decimal_point[0] == '\0' && ! be_quiet && ! nothing)
    {
      WITH_CUR_LOCALE (error (0, 0, _("\
%s: value for field `%s' must not be an empty string"),
			      "LC_MONETARY", "mon_decimal_point"));
    }
  if (monetary->mon_decimal_point_wc == L'\0')
    monetary->mon_decimal_point_wc = L'.';

  if (monetary->mon_grouping_len == 0)
    {
      if (! be_quiet && ! nothing)
	WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),
				"LC_MONETARY", "mon_grouping"));

      monetary->mon_grouping = (char *) "\177";
      monetary->mon_grouping_len = 1;
    }

#undef TEST_ELEM
#define TEST_ELEM(cat, min, max, initval) \
  if (monetary->cat == -2)						      \
    {									      \
       if (! be_quiet && ! nothing)					      \
	 WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),	      \
				 "LC_MONETARY", #cat));			      \
       monetary->cat = initval;						      \
    }									      \
  else if ((monetary->cat < min || monetary->cat > max)			      \
	   && min < max							      \
	   && !be_quiet && !nothing)					      \
    WITH_CUR_LOCALE (error (0, 0, _("\
%s: value for field `%s' must be in range %d...%d"),			      \
			    "LC_MONETARY", #cat, min, max))

  TEST_ELEM (int_frac_digits, 1, 0, -1);
  TEST_ELEM (frac_digits, 1, 0, -1);
  TEST_ELEM (p_cs_precedes, -1, 1, -1);
  TEST_ELEM (p_sep_by_space, -1, 2, -1);
  TEST_ELEM (n_cs_precedes, -1, 1, -1);
  TEST_ELEM (n_sep_by_space, -1, 2, -1);
  TEST_ELEM (p_sign_posn, -1, 4, -1);
  TEST_ELEM (n_sign_posn, -1, 4, -1);

  /* The non-POSIX.2 extensions are optional.  */
  if (monetary->duo_int_curr_symbol == NULL)
    monetary->duo_int_curr_symbol = monetary->int_curr_symbol;
  if (monetary->duo_currency_symbol == NULL)
    monetary->duo_currency_symbol = monetary->currency_symbol;

  if (monetary->duo_int_frac_digits == -2)
    monetary->duo_int_frac_digits = monetary->int_frac_digits;
  if (monetary->duo_frac_digits == -2)
    monetary->duo_frac_digits = monetary->frac_digits;

#undef TEST_ELEM
#define TEST_ELEM(cat, alt, min, max) \
  if (monetary->cat == -2)						      \
    monetary->cat = monetary->alt;					      \
  else if ((monetary->cat < min || monetary->cat > max) && !be_quiet	      \
	   && ! nothing)						      \
    WITH_CUR_LOCALE (error (0, 0, _("\
%s: value for field `%s' must be in range %d...%d"),			      \
			    "LC_MONETARY", #cat, min, max))

  TEST_ELEM (int_p_cs_precedes, p_cs_precedes, -1, 1);
  TEST_ELEM (int_p_sep_by_space, p_sep_by_space, -1, 2);
  TEST_ELEM (int_n_cs_precedes, n_cs_precedes, -1, 1);
  TEST_ELEM (int_n_sep_by_space, n_sep_by_space, -1, 2);
  TEST_ELEM (int_p_sign_posn, p_sign_posn, -1, 4);
  TEST_ELEM (int_n_sign_posn, n_sign_posn, -1, 4);

  TEST_ELEM (duo_p_cs_precedes, p_cs_precedes, -1, 1);
  TEST_ELEM (duo_p_sep_by_space, p_sep_by_space, -1, 2);
  TEST_ELEM (duo_n_cs_precedes, n_cs_precedes, -1, 1);
  TEST_ELEM (duo_n_sep_by_space, n_sep_by_space, -1, 2);
  TEST_ELEM (duo_int_p_cs_precedes, int_p_cs_precedes, -1, 1);
  TEST_ELEM (duo_int_p_sep_by_space, int_p_sep_by_space, -1, 2);
  TEST_ELEM (duo_int_n_cs_precedes, int_n_cs_precedes, -1, 1);
  TEST_ELEM (duo_int_n_sep_by_space, int_n_sep_by_space, -1, 2);
  TEST_ELEM (duo_p_sign_posn, p_sign_posn, -1, 4);
  TEST_ELEM (duo_n_sign_posn, n_sign_posn, -1, 4);
  TEST_ELEM (duo_int_p_sign_posn, int_p_sign_posn, -1, 4);
  TEST_ELEM (duo_int_n_sign_posn, int_n_sign_posn, -1, 4);

  if (monetary->uno_valid_from == 0)
    monetary->uno_valid_from = 10101;
  if (monetary->uno_valid_to == 0)
    monetary->uno_valid_to = 99991231;
  if (monetary->duo_valid_from == 0)
    monetary->duo_valid_from = 10101;
  if (monetary->duo_valid_to == 0)
    monetary->duo_valid_to = 99991231;

  if (monetary->conversion_rate[0] == 0)
    {
      monetary->conversion_rate[0] = 1;
      monetary->conversion_rate[1] = 1;
    }

  /* Create the crncystr entry.  */
  monetary->crncystr = (char *) xmalloc (strlen (monetary->currency_symbol)
					 + 2);
  monetary->crncystr[0] = monetary->p_cs_precedes ? '-' : '+';
  strcpy (&monetary->crncystr[1], monetary->currency_symbol);
}


void
monetary_output (struct localedef_t *locale, const struct charmap_t *charmap,
		 const char *output_path)
{
  struct locale_monetary_t *monetary
    = locale->categories[LC_MONETARY].monetary;
  struct locale_file file;

  init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_MONETARY));
  add_locale_string (&file, monetary->int_curr_symbol);
  add_locale_string (&file, monetary->currency_symbol);
  add_locale_string (&file, monetary->mon_decimal_point);
  add_locale_string (&file, monetary->mon_thousands_sep);
  add_locale_raw_data (&file, monetary->mon_grouping,
		       monetary->mon_grouping_len);
  add_locale_string (&file, monetary->positive_sign);
  add_locale_string (&file, monetary->negative_sign);
  add_locale_char (&file, monetary->int_frac_digits);
  add_locale_char (&file, monetary->frac_digits);
  add_locale_char (&file, monetary->p_cs_precedes);
  add_locale_char (&file, monetary->p_sep_by_space);
  add_locale_char (&file, monetary->n_cs_precedes);
  add_locale_char (&file, monetary->n_sep_by_space);
  add_locale_char (&file, monetary->p_sign_posn);
  add_locale_char (&file, monetary->n_sign_posn);
  add_locale_string (&file, monetary->crncystr);
  add_locale_char (&file, monetary->int_p_cs_precedes);
  add_locale_char (&file, monetary->int_p_sep_by_space);
  add_locale_char (&file, monetary->int_n_cs_precedes);
  add_locale_char (&file, monetary->int_n_sep_by_space);
  add_locale_char (&file, monetary->int_p_sign_posn);
  add_locale_char (&file, monetary->int_n_sign_posn);
  add_locale_string (&file, monetary->duo_int_curr_symbol);
  add_locale_string (&file, monetary->duo_currency_symbol);
  add_locale_char (&file, monetary->duo_int_frac_digits);
  add_locale_char (&file, monetary->duo_frac_digits);
  add_locale_char (&file, monetary->duo_p_cs_precedes);
  add_locale_char (&file, monetary->duo_p_sep_by_space);
  add_locale_char (&file, monetary->duo_n_cs_precedes);
  add_locale_char (&file, monetary->duo_n_sep_by_space);
  add_locale_char (&file, monetary->duo_int_p_cs_precedes);
  add_locale_char (&file, monetary->duo_int_p_sep_by_space);
  add_locale_char (&file, monetary->duo_int_n_cs_precedes);
  add_locale_char (&file, monetary->duo_int_n_sep_by_space);
  add_locale_char (&file, monetary->duo_p_sign_posn);
  add_locale_char (&file, monetary->duo_n_sign_posn);
  add_locale_char (&file, monetary->duo_int_p_sign_posn);
  add_locale_char (&file, monetary->duo_int_n_sign_posn);
  add_locale_uint32 (&file, monetary->uno_valid_from);
  add_locale_uint32 (&file, monetary->uno_valid_to);
  add_locale_uint32 (&file, monetary->duo_valid_from);
  add_locale_uint32 (&file, monetary->duo_valid_to);
  add_locale_uint32_array (&file, monetary->conversion_rate, 2);
  add_locale_uint32 (&file, monetary->mon_decimal_point_wc);
  add_locale_uint32 (&file, monetary->mon_thousands_sep_wc);
  add_locale_string (&file, charmap->code_set_name);
  write_locale_data (output_path, LC_MONETARY, "LC_MONETARY", &file);
}


static int
curr_strcmp (const char *s1, const char **s2)
{
  return strcmp (s1, *s2);
}


/* The parser for the LC_MONETARY section of the locale definition.  */
void
monetary_read (struct linereader *ldfile, struct localedef_t *result,
	       const struct charmap_t *charmap, const char *repertoire_name,
	       int ignore_content)
{
  struct repertoire_t *repertoire = NULL;
  struct locale_monetary_t *monetary;
  struct token *now;
  enum token_t nowtok;

  /* Get the repertoire we have to use.  */
  if (repertoire_name != NULL)
    repertoire = repertoire_read (repertoire_name);

  /* The rest of the line containing `LC_MONETARY' must be free.  */
  lr_ignore_rest (ldfile, 1);

  do
    {
      now = lr_token (ldfile, charmap, result, NULL, verbose);
      nowtok = now->tok;
    }
  while (nowtok == tok_eol);

  /* If we see `copy' now we are almost done.  */
  if (nowtok == tok_copy)
    {
      handle_copy (ldfile, charmap, repertoire_name, result, tok_lc_monetary,
		   LC_MONETARY, "LC_MONETARY", ignore_content);
      return;
    }

  /* Prepare the data structures.  */
  monetary_startup (ldfile, result, ignore_content);
  monetary = result->categories[LC_MONETARY].monetary;

  while (1)
    {
      /* Of course we don't proceed beyond the end of file.  */
      if (nowtok == tok_eof)
	break;

      /* Ignore empty lines.  */
      if (nowtok == tok_eol)
	{
	  now = lr_token (ldfile, charmap, result, NULL, verbose);
	  nowtok = now->tok;
	  continue;
	}

      switch (nowtok)
	{
#define STR_ELEM(cat) \
	case tok_##cat:							      \
	  /* Ignore the rest of the line if we don't need the input of	      \
	     this line.  */						      \
	  if (ignore_content)						      \
	    {								      \
	      lr_ignore_rest (ldfile, 0);				      \
	      break;							      \
	    }								      \
									      \
	  now = lr_token (ldfile, charmap, result, NULL, verbose);	      \
	  if (now->tok != tok_string)					      \
	    goto err_label;						      \
	  else if (monetary->cat != NULL)				      \
	    lr_error (ldfile, _("%s: field `%s' declared more than once"),    \
		      "LC_MONETARY", #cat);				      \
	  else if (!ignore_content && now->val.str.startmb == NULL)	      \
	    {								      \
	      lr_error (ldfile, _("\
%s: unknown character in field `%s'"), "LC_MONETARY", #cat);		      \
	      monetary->cat = "";					      \
	    }								      \
	  else if (!ignore_content)					      \
	    monetary->cat = now->val.str.startmb;			      \
	  lr_ignore_rest (ldfile, 1);					      \
	  break

	  STR_ELEM (int_curr_symbol);
	  STR_ELEM (currency_symbol);
	  STR_ELEM (positive_sign);
	  STR_ELEM (negative_sign);
	  STR_ELEM (duo_int_curr_symbol);
	  STR_ELEM (duo_currency_symbol);

#define STR_ELEM_WC(cat) \
	case tok_##cat:							      \
	  /* Ignore the rest of the line if we don't need the input of	      \
	     this line.  */						      \
	  if (ignore_content)						      \
	    {								      \
	      lr_ignore_rest (ldfile, 0);				      \
	      break;							      \
	    }								      \
									      \
	  ldfile->return_widestr = 1;					      \
	  now = lr_token (ldfile, charmap, result, repertoire, verbose);      \
	  if (now->tok != tok_string)					      \
	    goto err_label;						      \
	  if (monetary->cat != NULL)					      \
	    lr_error (ldfile, _("\
%s: field `%s' declared more than once"), "LC_MONETARY", #cat);		      \
	  else if (!ignore_content && now->val.str.startmb == NULL)	      \
	    {								      \
	      lr_error (ldfile, _("\
%s: unknown character in field `%s'"), "LC_MONETARY", #cat);		      \
	      monetary->cat = "";					      \
	      monetary->cat##_wc = L'\0';				      \
	    }								      \
	  else if (now->val.str.startwc != NULL && now->val.str.lenwc > 2)    \
	    {								      \
	      lr_error (ldfile, _("\
%s: value for field `%s' must be a single character"), "LC_MONETARY", #cat);  \
	    }								      \
	  else if (!ignore_content)					      \
	    {								      \
	      monetary->cat = now->val.str.startmb;			      \
									      \
	      if (now->val.str.startwc != NULL)				      \
		monetary->cat##_wc = *now->val.str.startwc;		      \
	    }								      \
	  ldfile->return_widestr = 0;					      \
	  break

	  STR_ELEM_WC (mon_decimal_point);
	  STR_ELEM_WC (mon_thousands_sep);

#define INT_ELEM(cat) \
	case tok_##cat:							      \
	  /* Ignore the rest of the line if we don't need the input of	      \
	     this line.  */						      \
	  if (ignore_content)						      \
	    {								      \
	      lr_ignore_rest (ldfile, 0);				      \
	      break;							      \
	    }								      \
									      \
	  now = lr_token (ldfile, charmap, result, NULL, verbose);	      \
	  if (now->tok != tok_minus1 && now->tok != tok_number)		      \
	    goto err_label;						      \
	  else if (monetary->cat != -2)					      \
	    lr_error (ldfile, _("%s: field `%s' declared more than once"),    \
		      "LC_MONETARY", #cat);				      \
	  else if (!ignore_content)					      \
	    monetary->cat = now->tok == tok_minus1 ? -1 : now->val.num;	      \
	  break

	  INT_ELEM (int_frac_digits);
	  INT_ELEM (frac_digits);
	  INT_ELEM (p_cs_precedes);
	  INT_ELEM (p_sep_by_space);
	  INT_ELEM (n_cs_precedes);
	  INT_ELEM (n_sep_by_space);
	  INT_ELEM (p_sign_posn);
	  INT_ELEM (n_sign_posn);
	  INT_ELEM (int_p_cs_precedes);
	  INT_ELEM (int_p_sep_by_space);
	  INT_ELEM (int_n_cs_precedes);
	  INT_ELEM (int_n_sep_by_space);
	  INT_ELEM (int_p_sign_posn);
	  INT_ELEM (int_n_sign_posn);
	  INT_ELEM (duo_int_frac_digits);
	  INT_ELEM (duo_frac_digits);
	  INT_ELEM (duo_p_cs_precedes);
	  INT_ELEM (duo_p_sep_by_space);
	  INT_ELEM (duo_n_cs_precedes);
	  INT_ELEM (duo_n_sep_by_space);
	  INT_ELEM (duo_p_sign_posn);
	  INT_ELEM (duo_n_sign_posn);
	  INT_ELEM (duo_int_p_cs_precedes);
	  INT_ELEM (duo_int_p_sep_by_space);
	  INT_ELEM (duo_int_n_cs_precedes);
	  INT_ELEM (duo_int_n_sep_by_space);
	  INT_ELEM (duo_int_p_sign_posn);
	  INT_ELEM (duo_int_n_sign_posn);
	  INT_ELEM (uno_valid_from);
	  INT_ELEM (uno_valid_to);
	  INT_ELEM (duo_valid_from);
	  INT_ELEM (duo_valid_to);

	case tok_mon_grouping:
	  /* Ignore the rest of the line if we don't need the input of
	     this line.  */
	  if (ignore_content)
	    {
	      lr_ignore_rest (ldfile, 0);
	      break;
	    }

	  now = lr_token (ldfile, charmap, result, NULL, verbose);
	  if (now->tok != tok_minus1 && now->tok != tok_number)
	    goto err_label;
	  else
	    {
	      size_t act = 0;
	      size_t max = 10;
	      char *grouping = ignore_content ? NULL : xmalloc (max);

	      do
		{
		  if (act + 1 >= max)
		    {
		      max *= 2;
		      grouping = xrealloc (grouping, max);
		    }

		  if (act > 0 && grouping[act - 1] == '\177')
		    {
		      lr_error (ldfile, _("\
%s: `-1' must be last entry in `%s' field"),
				"LC_MONETARY", "mon_grouping");
		      lr_ignore_rest (ldfile, 0);
		      break;
		    }

		  if (now->tok == tok_minus1)
		    {
		      if (!ignore_content)
			grouping[act++] = '\177';
		    }
		  else if (now->val.num == 0)
		    {
		      /* A value of 0 disables grouping from here on but
			 we must not store a NUL character since this
			 terminates the string.  Use something different
			 which must not be used otherwise.  */
		      if (!ignore_content)
			grouping[act++] = '\377';
		    }
		  else if (now->val.num > 126)
		    lr_error (ldfile, _("\
%s: values for field `%s' must be smaller than 127"),
			      "LC_MONETARY", "mon_grouping");
		  else if (!ignore_content)
		    grouping[act++] = now->val.num;

		  /* Next must be semicolon.  */
		  now = lr_token (ldfile, charmap, result, NULL, verbose);
		  if (now->tok != tok_semicolon)
		    break;

		  now = lr_token (ldfile, charmap, result, NULL, verbose);
		}
	      while (now->tok == tok_minus1 || now->tok == tok_number);

	      if (now->tok != tok_eol)
		goto err_label;

	      if (!ignore_content)
		{
		  /* A single -1 means no grouping.  */
		  if (act == 1 && grouping[0] == '\177')
		    act--;
		  grouping[act++] = '\0';

		  monetary->mon_grouping = xrealloc (grouping, act);
		  monetary->mon_grouping_len = act;
		}
	    }
	  break;

	case tok_conversion_rate:
	  /* Ignore the rest of the line if we don't need the input of
	     this line.  */
	  if (ignore_content)
	    {
	      lr_ignore_rest (ldfile, 0);
	      break;
	    }

	  now = lr_token (ldfile, charmap, result, NULL, verbose);
	  if (now->tok != tok_number)
	    goto err_label;
	  if (now->val.num == 0)
	    {
	    invalid_conversion_rate:
	      lr_error (ldfile, _("conversion rate value cannot be zero"));
	      if (!ignore_content)
		{
		  monetary->conversion_rate[0] = 1;
		  monetary->conversion_rate[1] = 1;
		}
	      break;
	    }
	  if (!ignore_content)
	    monetary->conversion_rate[0] = now->val.num;
	  /* Next must be a semicolon.  */
	  now = lr_token (ldfile, charmap, result, NULL, verbose);
	  if (now->tok != tok_semicolon)
	    goto err_label;
	  /* And another number.  */
	  now = lr_token (ldfile, charmap, result, NULL, verbose);
	  if (now->tok != tok_number)
	    goto err_label;
	  if (now->val.num == 0)
	    goto invalid_conversion_rate;
	  if (!ignore_content)
	    monetary->conversion_rate[1] = now->val.num;
	  /* The rest of the line must be empty.  */
	  lr_ignore_rest (ldfile, 1);
	  break;

	case tok_end:
	  /* Next we assume `LC_MONETARY'.  */
	  now = lr_token (ldfile, charmap, result, NULL, verbose);
	  if (now->tok == tok_eof)
	    break;
	  if (now->tok == tok_eol)
	    lr_error (ldfile, _("%s: incomplete `END' line"), "LC_MONETARY");
	  else if (now->tok != tok_lc_monetary)
	    lr_error (ldfile, _("\
%1$s: definition does not end with `END %1$s'"), "LC_MONETARY");
	  lr_ignore_rest (ldfile, now->tok == tok_lc_monetary);
	  return;

	default:
	err_label:
	  SYNTAX_ERROR (_("%s: syntax error"), "LC_MONETARY");
	}

      /* Prepare for the next round.  */
      now = lr_token (ldfile, charmap, result, NULL, verbose);
      nowtok = now->tok;
    }

  /* When we come here we reached the end of the file.  */
  lr_error (ldfile, _("%s: premature end of file"), "LC_MONETARY");
}