Home | History | Annotate | Line # | Download | only in locale 
      1 /* $NetBSD: _wctype.c,v 1.9 2010/06/13 04:14:57 tnozaki Exp $ */
      2 
      3 /*-
      4  * Copyright (c)2008 Citrus Project,
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 /*-
     30  * Copyright (c) 1993
     31  *	The Regents of the University of California.  All rights reserved.
     32  *
     33  * This code is derived from software contributed to Berkeley by
     34  * Paul Borman at Krystal Technologies.
     35  *
     36  * Redistribution and use in source and binary forms, with or without
     37  * modification, are permitted provided that the following conditions
     38  * are met:
     39  * 1. Redistributions of source code must retain the above copyright
     40  *    notice, this list of conditions and the following disclaimer.
     41  * 2. Redistributions in binary form must reproduce the above copyright
     42  *    notice, this list of conditions and the following disclaimer in the
     43  *    documentation and/or other materials provided with the distribution.
     44  * 3. Neither the name of the University nor the names of its contributors
     45  *    may be used to endorse or promote products derived from this software
     46  *    without specific prior written permission.
     47  *
     48  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     58  * SUCH DAMAGE.
     59  */
     60 
     61 #include <sys/cdefs.h>
     62 #if defined(LIBC_SCCS) && !defined(lint)
     63 __RCSID("$NetBSD: _wctype.c,v 1.9 2010/06/13 04:14:57 tnozaki Exp $");
     64 #endif /* LIBC_SCCS and not lint */
     65 
     66 #include <sys/types.h>
     67 #include <assert.h>
     68 #include <wctype.h>
     69 
     70 #include "runetype_local.h"
     71 #include "_wctrans_local.h"
     72 #include "_wctype_local.h"
     73 
     74 _RuneType
     75 _runetype_priv(_RuneLocale const *rl, wint_t wc)
     76 {
     77 	__nbrune_t wc0;
     78 	_RuneRange const *rr;
     79 	_RuneEntry *base, *re;
     80 	uint32_t x;
     81 
     82 	_DIAGASSERT(rl != NULL);
     83 
     84 	if (wc == WEOF)
     85 		return 0U;
     86 	if (_RUNE_ISCACHED(wc))
     87 		return rl->rl_runetype[(size_t)wc];
     88 	wc0 = (__nbrune_t)wc;
     89 	rr = &rl->rl_runetype_ext;
     90 	_DIAGASSERT(rr != NULL);
     91 	base = rr->rr_rune_ranges;
     92 	for (x = rr->rr_nranges; x != (uint32_t)0; x >>= 1) {
     93 		re = base + (x >> 1);
     94 		if (re->re_min <= wc0 && re->re_max >= wc0) {
     95 			if (re->re_rune_types)
     96 				return re->re_rune_types[wc0 - re->re_min];
     97 			else
     98 				return re->re_map;
     99 		} else if (wc0 > re->re_max) {
    100 			base = re + 1;
    101 			--x;
    102 		}
    103 	}
    104 	return (_RuneType)0U;
    105 }
    106 
    107 int
    108 _iswctype_priv(_RuneLocale const *rl,
    109     wint_t wc, _WCTypeEntry const *te)
    110 {
    111 	return !!(_runetype_priv(rl, wc) & te->te_mask);
    112 }
    113