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/* Return number of characters in multibyte representation for current
   character set.
   Copyright (C) 1996, 1999 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <langinfo.h>
#include <locale.h>
#include <stdlib.h>
#include "localeinfo.h"

/* This is a gross hack to get broken programs running.

   ISO C provides no mean to find out how many bytes the wide
   character representation really uses.  But it defines MB_CUR_LEN to
   return the information for the multi-byte character representation.
   Many programmers don't know the difference between the two and
   think this means the same.  But assuming all characters have a size
   of MB_CUR_LEN after they have been processed by `mbrtowc' is wrong.
   Instead the maximum number of characters used for the conversion is

   It is known that some Motif applications have this problem.  To
   cure this one has to make sure the glibc uses the function in this
   file instead of the one in locale/mb_cur_max.c.  This can either be
   done by linking with this file or by using the LD_PRELOAD feature
   of the dynamic linker.  */
__ctype_get_mb_cur_max (void)
  union locale_data_value u;

  u.string = nl_langinfo (_NL_CTYPE_MB_CUR_MAX);
  return ((size_t []) { 1, 1, 1, 2, 2, 3, 4 })[u.word];

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