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