1/*- 2 * Copyright (c) 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Paul Borman at Krystal Technologies. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: src/lib/libc/locale/runetype.c,v 1.14 2007/01/09 00:28:00 imp Exp $"); 35 36#include "xlocale_private.h" 37 38#include <ctype.h> 39#include <stdio.h> 40#include <runetype.h> 41 42unsigned long 43___runetype_l(__ct_rune_t c, locale_t loc) 44{ 45 size_t lim; 46 _RuneRange *rr; 47 _RuneEntry *base, *re; 48 49 if (c < 0 || c == EOF) 50 return(0L); 51 52 NORMALIZE_LOCALE(loc); 53 rr = &loc->__lc_ctype->_CurrentRuneLocale.__runetype_ext; 54 /* Binary search -- see bsearch.c for explanation. */ 55 base = rr->__ranges; 56 for (lim = rr->__nranges; lim != 0; lim >>= 1) { 57 re = base + (lim >> 1); 58 if (re->__min <= c && c <= re->__max) { 59 if (re->__types) 60 return(re->__types[c - re->__min]); 61 else 62 return(re->__map); 63 } else if (c > re->__max) { 64 base = re + 1; 65 lim--; 66 } 67 } 68 69 return(0L); 70} 71 72unsigned long 73___runetype(__ct_rune_t c) 74{ 75 return ___runetype_l(c, __current_locale()); 76} 77