diff options
Diffstat (limited to 'wctype/cname-lookup.h')
-rw-r--r-- | wctype/cname-lookup.h | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/wctype/cname-lookup.h b/wctype/cname-lookup.h index b3c1cdbede..77186d4aa4 100644 --- a/wctype/cname-lookup.h +++ b/wctype/cname-lookup.h @@ -1,37 +1,60 @@ -/* Copyright (C) 1996 Free Software Foundation, Inc. -This file is part of the GNU C Library. -Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>. +/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 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 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. + 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. */ + 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 <endian.h> #include "../locale/localeinfo.h" /* Some words on the runtime of this functions. Although there is a loop in the function the runtime is asymptotically quasi constant. The reason is that even for the largest character sets HASH_LAYERS will not grow beyond 15 (a guess!). */ +#ifndef USE_IN_EXTENDED_LOCALE_MODEL static __inline size_t cname_lookup (wint_t wc) +#else +static __inline size_t +cname_lookup (wint_t wc, __locale_t locale) +#endif { - extern unsigned int *__ctype_names; unsigned int hash_size, hash_layers; size_t result, cnt; +#ifndef USE_IN_EXTENDED_LOCALE_MODEL + extern unsigned int *__ctype_names; hash_size = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_HASH_SIZE); hash_layers = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_HASH_LAYERS); +#else + struct locale_data *current = locale->__locales[LC_CTYPE]; +#if BYTE_ORDER == BIG_ENDIAN + unsigned int *__ctype_names = + (unsigned int *) current->values[_NL_ITEM_INDEX (_NL_CTYPE_NAMES_EB)].string; +#elif BYTE_ORDER == LITTLE_ENDIAN + unsigned int *__ctype_names = + (unsigned int *) current->values[_NL_ITEM_INDEX (_NL_CTYPE_NAMES_EL)].string; +#else +# error bizarre byte order +#endif + hash_size = + current->values[_NL_ITEM_INDEX (_NL_CTYPE_HASH_SIZE)].word; + hash_layers = + current->values[_NL_ITEM_INDEX (_NL_CTYPE_HASH_LAYERS)].word; +#endif result = wc % hash_size; for (cnt = 0; cnt < hash_layers; ++cnt) |