120 lines
4.4 KiB
C
120 lines
4.4 KiB
C
/* $NetBSD: _wctrans.c,v 1.6 2005/02/10 19:19:57 tnozaki Exp $ */
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/*-
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* Copyright (c)2003 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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/*-
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* Copyright (c) 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Paul Borman at Krystal Technologies.
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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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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: _wctrans.c,v 1.6 2005/02/10 19:19:57 tnozaki Exp $");
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#endif /* LIBC_SCCS and not lint */
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#include "namespace.h"
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#include <wctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include "rune.h"
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#include "rune_local.h"
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#include "_wctrans_local.h"
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/*
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* _wctrans_init:
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*/
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void
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_wctrans_init(_RuneLocale *rl)
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{
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rl->rl_wctrans[_WCTRANS_INDEX_LOWER].te_name = "tolower";
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rl->rl_wctrans[_WCTRANS_INDEX_LOWER].te_cached = rl->rl_maplower;
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rl->rl_wctrans[_WCTRANS_INDEX_LOWER].te_extmap = &rl->rl_maplower_ext;
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rl->rl_wctrans[_WCTRANS_INDEX_UPPER].te_name = "toupper";
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rl->rl_wctrans[_WCTRANS_INDEX_UPPER].te_cached = rl->rl_mapupper;
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rl->rl_wctrans[_WCTRANS_INDEX_UPPER].te_extmap = &rl->rl_mapupper_ext;
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}
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/*
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* _wctrans_ext:
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* translate a character (extended part)
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*/
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wint_t
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_towctrans_ext(wint_t c, struct _WCTransEntry *te)
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{
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__nbrune_t c0;
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uint32_t x;
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_RuneRange *rr;
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_RuneEntry *base, *re;
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if (c == WEOF)
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return (c);
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c0 = (__nbrune_t)c; /* XXX assumes wchar_t = int */
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rr = te->te_extmap;
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base = rr->rr_rune_ranges;
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for (x = rr->rr_nranges; x != 0; x >>= 1) {
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re = base + (x >> 1);
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if (re->re_min <= c0 && re->re_max >= c0)
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return (re->re_map + c0 - re->re_min);
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else if (c0 >= re->re_max) {
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base = re + 1;
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x--;
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}
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}
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return (c);
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}
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