1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 1998 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef UCS2_H 28 #define UCS2_H 29 #include <sys/types.h> 30 #include <sys/isa_defs.h> 31 #include "gentypes.h" 32 33 #define UCS2_NBYTE 2 34 #define UCS2_MAXVAL 0xfffd 35 36 #define valid_ucs2_value(n) (_valid_ucs2_value(n)) 37 #define room_for_ucs2_cnv(p1,p2) (((p1)+sizeof(ucs2_t))<=(p2)) 38 #define no_room_for_ucs2_cnv(p1,p2) (((p1)+sizeof(ucs2_t))>(p2)) 39 #define incomplete_ucs2_seq(p1,p2) (((p1)+sizeof(ucs2_t))>(p2)) 40 41 #define next_ucs2_ptr(p) (((uchar_t*)(p))+sizeof(ucs2_t)) 42 #define ext_ucs2_lsb(n) ((uchar_t)(((ucs2_t)(n))&((ucs2_t)0x00ff))) 43 #define ext_ucs2_msb(n) ((uchar_t)(((((ucs2_t)(n))&((ucs2_t)0xff00)))>>8)) 44 45 #define get_ucs2_word(p) (*((ucs2_t*)(p))) 46 #define set_ucs2_word(p,n) ((*((ucs2_t*)(p)))=(n)) 47 48 #if defined(_BIG_ENDIAN) 49 #define get_ucs2_word_BB(p) \ 50 (((ucs2_t)((*(p))<<8))|((ucs2_t)(*((p)+1)))) 51 52 #define set_ucs2_word_BB(p,n) \ 53 (((*(p))=ext_ucs2_msb(n)),((*((p)+1))=ext_ucs2_lsb(n))) 54 55 #else 56 #define get_ucs2_word_BB(p) \ 57 (((ucs2_t)(((*((p)+1)))<<8))|((ucs2_t)(*(p)))) 58 59 #define set_ucs2_word_BB(p,n) \ 60 ((*((p)+1))=ext_ucs2_msb(n),(*(p))=ext_ucs2_lsb(n)) 61 #endif 62 63 int _valid_ucs2_value(ucs4_t); 64 #endif 65