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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1998 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef UCS4_H
#define UCS4_H
#include <sys/isa_defs.h>
#include <sys/types.h>
#include "ucs2.h"
#include "gentypes.h"
#define UCS4_NBYTE 4
#define UCS4_MAXVAL 0x7fffffff
#define UCS4_PPRC_MAXVAL 0xfffd /* PPRC: Per Plane Row Column */
#define room_for_ucs4_cnv(p1,p2) (((p1)+sizeof(ucs4_t))<=(p2))
#define no_room_for_ucs4_cnv(p1,p2) (((p1)+sizeof(ucs4_t))>(p2))
#define incomplete_ucs4_seq(p1,p2) (((p1)+sizeof(ucs4_t))>(p2))
#define valid_ucs4_value(n) (_valid_ucs4_value(n))
#define ext_ucs4_lsw(n) ((ucs2_t)((((ucs4_t)(n))&((ucs4_t)0x0000ffff))))
#define ext_ucs4_msw(n) ((ucs2_t)((((ucs4_t)(n))&((ucs4_t)0xffff0000))>>16))
#define get_ucs4_word(p) (*((ucs4_t*)(p)))
#define set_ucs4_word(p,n) ((*((ucs4_t*)(p)))=n)
#if defined(_BIG_ENDIAN)
#define get_ucs4_word_BB(p) (((ucs4_t)(get_ucs2_word_BB((p))<<16))|\
((ucs4_t)(get_ucs2_word_BB((p)+2))))
#define set_ucs4_word_BB(p,n) (set_ucs2_word_BB((p),ext_ucs4_msw(n)),\
set_ucs2_word_BB((p)+2,ext_ucs4_lsw(n)))
#else
#define get_ucs4_word_BB(p) (((ucs4_t)(get_ucs2_word_BB((p)+2)<<16))|\
((ucs4_t)(get_ucs2_word_BB(p))))
#define set_ucs4_word_BB(p,n) (set_ucs2_word_BB((p)+2,ext_ucs4_msw(n)),\
set_ucs2_word_BB((p),ext_ucs4_lsw(n)))
#endif
int _valid_ucs4_value(ucs4_t);
#endif
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