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/* $OpenBSD: ___runetype_mb.c,v 1.3 2017/09/05 03:16:13 schwarze Exp $ */ |
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/* $NetBSD: ___runetype_mb.c,v 1.10 2005/02/10 19:19:57 tnozaki Exp $ */ |
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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 <wctype.h> |
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#include "rune.h" |
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#include "rune_local.h" |
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_RuneType |
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___runetype_mb(wint_t c, _RuneLocale *rl) |
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{ |
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rune_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 (0U); |
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c0 = (rune_t)c; /* XXX assumes wint_t = int */ |
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rr = &rl->rl_runetype_ext; |
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base = rr->rr_rune_ranges; |
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for (x = rr->rr_nranges; x; 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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if (re->re_rune_types) |
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return (re->re_rune_types[c0 - re->re_min]); |
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else |
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return (re->re_map); |
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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 (0U); |
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} |