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51 lines
2.1 KiB
C
51 lines
2.1 KiB
C
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/* Return number of characters in multibyte representation for current
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character set.
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Copyright (C) 1996 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@cygnus.com>, 1996.
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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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <langinfo.h>
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#include <locale.h>
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#include <stdlib.h>
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#include "localeinfo.h"
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/* This is a gross hack to get borken programs running.
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ISO C provides no mean to find out how many bytes the wide
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character representation really uses. But it defines MB_CUR_LEN to
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return the information for the multi-byte character representation.
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Many programmers don't know the difference between the two and
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thing this means the same. But assuming all characters have a size
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of MB_CUR_LEN after they have been processed by `mbrtowc' is wrong.
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Instead the maximal number of character used for the conversion is
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MB_CURLEN.
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It is known that some Motif applications have this problem. To
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cure this one has to make sure the glibc uses the function in this
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file instead of the one in locale/mb_cur_max.c. This can either be
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done by linking with this file or by using the LD_PRELOAD feature
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of the dynamic linker. */
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int
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__ctype_get_mb_cur_max (void)
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{
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int correct_value = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MB_CUR_MAX);
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return ((int []) { 1, 1, 1, 2, 2, 3, 4 })[correct_value];
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}
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