diff options
Diffstat (limited to 'locale/broken_cur_max.c')
-rw-r--r-- | locale/broken_cur_max.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/locale/broken_cur_max.c b/locale/broken_cur_max.c new file mode 100644 index 0000000000..0374f84a57 --- /dev/null +++ b/locale/broken_cur_max.c @@ -0,0 +1,50 @@ +/* Return number of characters in multibyte representation for current + character set. + Copyright (C) 1996 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. 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 borken 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 + thing 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 maximal number of character used for the conversion is + MB_CURLEN. + + 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. */ +int +__ctype_get_mb_cur_max (void) +{ + int correct_value = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MB_CUR_MAX); + + return ((int []) { 1, 1, 1, 2, 2, 3, 4 })[correct_value]; +} |