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/* $OpenBSD: ___runetype_mb.c,v 1.4 2024/08/18 02:22:29 guenther Exp $ */
/* $NetBSD: ___runetype_mb.c,v 1.10 2005/02/10 19:19:57 tnozaki Exp $ */
/*-
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Paul Borman at Krystal Technologies.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <wctype.h>
#include "runetype.h"
#include "rune_local.h"
_RuneType
___runetype_mb(wint_t c, _RuneLocale *rl)
{
rune_t c0;
uint32_t x;
_RuneRange *rr;
_RuneEntry *base, *re;
if (c == WEOF)
return (0U);
c0 = (rune_t)c; /* XXX assumes wint_t = int */
rr = &rl->rl_runetype_ext;
base = rr->rr_rune_ranges;
for (x = rr->rr_nranges; x; x >>= 1) {
re = base + (x >> 1);
if (re->re_min <= c0 && re->re_max >= c0) {
if (re->re_rune_types)
return (re->re_rune_types[c0 - re->re_min]);
else
return (re->re_map);
} else if (c0 > re->re_max) {
base = re + 1;
x--;
}
}
return (0U);
}
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