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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2004 Tim J. Robbins.
* All rights reserved.
*
* Copyright (c) 2011 The FreeBSD Foundation
* All rights reserved.
* Portions of this software were developed by David Chisnall
* under sponsorship from the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <runetype.h>
#include <wchar.h>
#include <wctype.h>
#include "mblocal.h"
wint_t
nextwctype_l(wint_t wc, wctype_t wct, locale_t locale)
{
size_t lim;
FIX_LOCALE(locale);
_RuneLocale *runes = XLOCALE_CTYPE(locale)->runes;
_RuneRange *rr = &runes->__runetype_ext;
_RuneEntry *base, *re;
int noinc;
noinc = 0;
if (wc < _CACHED_RUNES) {
wc++;
while (wc < _CACHED_RUNES) {
if (runes->__runetype[wc] & wct)
return (wc);
wc++;
}
wc--;
}
if (rr->__ranges != NULL && wc < rr->__ranges[0].__min) {
wc = rr->__ranges[0].__min;
noinc = 1;
}
/* Binary search -- see bsearch.c for explanation. */
base = rr->__ranges;
for (lim = rr->__nranges; lim != 0; lim >>= 1) {
re = base + (lim >> 1);
if (re->__min <= wc && wc <= re->__max)
goto found;
else if (wc > re->__max) {
base = re + 1;
lim--;
}
}
return (-1);
found:
if (!noinc)
wc++;
if (re->__min <= wc && wc <= re->__max) {
if (re->__types != NULL) {
for (; wc <= re->__max; wc++)
if (re->__types[wc - re->__min] & wct)
return (wc);
} else if (re->__map & wct)
return (wc);
}
while (++re < rr->__ranges + rr->__nranges) {
wc = re->__min;
if (re->__types != NULL) {
for (; wc <= re->__max; wc++)
if (re->__types[wc - re->__min] & wct)
return (wc);
} else if (re->__map & wct)
return (wc);
}
return (-1);
}
wint_t
nextwctype(wint_t wc, wctype_t wct)
{
return nextwctype_l(wc, wct, __get_locale());
}
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