[apple/libc.git] / locale / toupper-fbsd.c

/*-
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. 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 <sys/cdefs.h>
__FBSDID("$FreeBSD: src/lib/libc/locale/toupper.c,v 1.11 2004/07/29 06:16:19 tjr Exp $");

#include "xlocale_private.h"

#include <stdio.h>
#include <runetype.h>

__ct_rune_t
___toupper_l(c, loc)
	__ct_rune_t c;
	locale_t loc;
{
	size_t lim;
	_RuneRange *rr;
	_RuneEntry *base, *re;

	if (c < 0 || c == EOF)
		return(c);

	NORMALIZE_LOCALE(loc);
	/*
	 * the following is not used by toupper(), but can be used by
	 * toupper_l().  This provides the oppurtunity to optimize toupper()
	 * when compatibility for Panther and lower is no longer needed
	 */
	if (c < _CACHED_RUNES)
		return loc->__lc_ctype->_CurrentRuneLocale.__mapupper[c];
	rr = &loc->__lc_ctype->_CurrentRuneLocale.__mapupper_ext;
	/* 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 <= c && c <= re->__max)
			return (re->__map + c - re->__min);
		else if (c > re->__max) {
			base = re + 1;
			lim--;
		}
	}

	return(c);
}

__ct_rune_t
___toupper(c)
	__ct_rune_t c;
{
	return ___toupper_l(c, __current_locale());
}
Commit	Line	Data
9385eb3d	1	/*-
224c7076	2	* Copyright (c) 1993
e9ce8d39 A	3	* The Regents of the University of California. All rights reserved.
e9ce8d39 A	4	*
224c7076 A	5	* This code is derived from software contributed to Berkeley by
	6	* Paul Borman at Krystal Technologies.
	7	*
e9ce8d39 A	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	* 3. All advertising materials mentioning features or use of this software
	17	* must display the following acknowledgement:
	18	* This product includes software developed by the University of
	19	* California, Berkeley and its contributors.
	20	* 4. Neither the name of the University nor the names of its contributors
	21	* may be used to endorse or promote products derived from this software
	22	* without specific prior written permission.
	23	*
	24	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	25	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	26	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	27	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	28	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	29	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	30	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	31	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	32	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	33	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	34	* SUCH DAMAGE.
	35	*/
	36
9385eb3d	37	#include <sys/cdefs.h>
224c7076	38	__FBSDID("$FreeBSD: src/lib/libc/locale/toupper.c,v 1.11 2004/07/29 06:16:19 tjr Exp $");
e9ce8d39	39
224c7076	40	#include "xlocale_private.h"
e9ce8d39	41
224c7076 A	42	#include <stdio.h>
	43	#include <runetype.h>
	44
	45	__ct_rune_t
	46	___toupper_l(c, loc)
	47	__ct_rune_t c;
	48	locale_t loc;
e9ce8d39	49	{
224c7076 A	50	size_t lim;
	51	_RuneRange *rr;
	52	_RuneEntry base, re;
	53
	54	if (c < 0 \|\| c == EOF)
	55	return(c);
e9ce8d39	56
224c7076 A	57	NORMALIZE_LOCALE(loc);
	58	/*
	59	* the following is not used by toupper(), but can be used by
	60	* toupper_l(). This provides the oppurtunity to optimize toupper()
	61	* when compatibility for Panther and lower is no longer needed
	62	*/
	63	if (c < _CACHED_RUNES)
	64	return loc->__lc_ctype->_CurrentRuneLocale.__mapupper[c];
	65	rr = &loc->__lc_ctype->_CurrentRuneLocale.__mapupper_ext;
	66	/* Binary search -- see bsearch.c for explanation. */
	67	base = rr->__ranges;
	68	for (lim = rr->__nranges; lim != 0; lim >>= 1) {
	69	re = base + (lim >> 1);
	70	if (re->__min <= c && c <= re->__max)
	71	return (re->__map + c - re->__min);
	72	else if (c > re->__max) {
	73	base = re + 1;
	74	lim--;
	75	}
	76	}
	77
	78	return(c);
	79	}
	80
	81	__ct_rune_t
	82	___toupper(c)
	83	__ct_rune_t c;
	84	{
	85	return ___toupper_l(c, __current_locale());
e9ce8d39	86	}