141 lines
4.3 KiB
C
141 lines
4.3 KiB
C
/* $NetBSD: runeglue.c,v 1.5 2001/01/03 15:23:26 lukem Exp $ */
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/*-
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* Copyright (c)1999 Citrus Project,
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* citrus Id: runeglue.c,v 1.7 2000/12/22 22:52:29 itojun Exp
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*/
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/*
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* Glue code to hide "rune" facility from user programs.
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* This is important to keep backward/future compatibility.
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: runeglue.c,v 1.5 2001/01/03 15:23:26 lukem Exp $");
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#endif /* LIBC_SCCS and not lint */
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#define _CTYPE_PRIVATE
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#include <assert.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include "runetype.h"
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#include "rune_local.h"
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#if EOF != -1
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#error "EOF != -1"
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#endif
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#if _CACHED_RUNES != 256
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#error "_CACHED_RUNES != 256"
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#endif
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int
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__runetable_to_netbsd_ctype(locale)
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const char *locale;
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{
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int i;
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unsigned char *new_ctype;
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short *new_toupper, *new_tolower;
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_DIAGASSERT(locale != NULL);
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/* set to C locale, to ease failure case handling */
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if (_ctype_ != _C_ctype_) {
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/* LINTED const castaway */
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free((void *)_ctype_);
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_ctype_ = _C_ctype_;
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}
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if (_toupper_tab_ != _C_toupper_) {
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/* LINTED const castaway */
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free((void *)_toupper_tab_);
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_toupper_tab_ = _C_toupper_;
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}
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if (_tolower_tab_ != _C_tolower_) {
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/* LINTED const castaway */
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free((void *)_tolower_tab_);
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_tolower_tab_ = _C_tolower_;
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}
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if (!strcmp(locale, "C") || !strcmp(locale, "POSIX"))
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return 0;
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new_ctype = malloc(sizeof(*new_ctype) * (1 + _CTYPE_NUM_CHARS));
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if (!new_ctype)
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return -1;
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new_toupper = malloc(sizeof(*new_toupper) * (1 + 256));
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if (!new_toupper) {
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free(new_ctype);
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return -1;
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}
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new_tolower = malloc(sizeof(*new_tolower) * (1 + 256));
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if (!new_tolower) {
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free(new_ctype);
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free(new_toupper);
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return -1;
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}
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memset(new_ctype, 0, sizeof(*new_ctype) * (1 + _CTYPE_NUM_CHARS));
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memset(new_toupper, 0, sizeof(*new_toupper) * (1 + 256));
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memset(new_tolower, 0, sizeof(*new_tolower) * (1 + 256));
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new_ctype[0] = 0;
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new_toupper[0] = EOF;
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new_tolower[0] = EOF;
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for (i = 0; i < _CTYPE_NUM_CHARS; i++) {
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new_ctype[i + 1]=0;
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if (_CurrentRuneLocale->__runetype[i] & _CTYPE_U)
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new_ctype[i + 1] |= _U;
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if (_CurrentRuneLocale->__runetype[i] & _CTYPE_L)
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new_ctype[i + 1] |= _L;
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if (_CurrentRuneLocale->__runetype[i] & _CTYPE_D)
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new_ctype[i + 1] |= _N;
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if (_CurrentRuneLocale->__runetype[i] & _CTYPE_S)
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new_ctype[i + 1] |= _S;
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if (_CurrentRuneLocale->__runetype[i] & _CTYPE_P)
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new_ctype[i + 1] |= _P;
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if (_CurrentRuneLocale->__runetype[i] & _CTYPE_C)
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new_ctype[i + 1] |= _C;
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if (_CurrentRuneLocale->__runetype[i] & _CTYPE_X)
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new_ctype[i + 1] |= _X;
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if (_CurrentRuneLocale->__runetype[i] & _CTYPE_B)
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new_ctype[i + 1] |= _B;
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new_toupper[i + 1] = (short)_CurrentRuneLocale->__mapupper[i];
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new_tolower[i + 1] = (short)_CurrentRuneLocale->__maplower[i];
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}
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/* LINTED const cast */
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_ctype_ = (const unsigned char *)new_ctype;
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/* LINTED const cast */
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_toupper_tab_ = (const short *)new_toupper;
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/* LINTED const cast */
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_tolower_tab_ = (const short *)new_tolower;
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return 0;
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}
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