xref: /onnv-gate/usr/src/uts/common/sys/kiconv_tc.h (revision 6008:3a1c10482cf2)
1*6008Syy154373 /*
2*6008Syy154373  * CDDL HEADER START
3*6008Syy154373  *
4*6008Syy154373  * The contents of this file are subject to the terms of the
5*6008Syy154373  * Common Development and Distribution License (the "License").
6*6008Syy154373  * You may not use this file except in compliance with the License.
7*6008Syy154373  *
8*6008Syy154373  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*6008Syy154373  * or http://www.opensolaris.org/os/licensing.
10*6008Syy154373  * See the License for the specific language governing permissions
11*6008Syy154373  * and limitations under the License.
12*6008Syy154373  *
13*6008Syy154373  * When distributing Covered Code, include this CDDL HEADER in each
14*6008Syy154373  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*6008Syy154373  * If applicable, add the following below this CDDL HEADER, with the
16*6008Syy154373  * fields enclosed by brackets "[]" replaced with your own identifying
17*6008Syy154373  * information: Portions Copyright [yyyy] [name of copyright owner]
18*6008Syy154373  *
19*6008Syy154373  * CDDL HEADER END
20*6008Syy154373  */
21*6008Syy154373 /*
22*6008Syy154373  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23*6008Syy154373  * Use is subject to license terms.
24*6008Syy154373  */
25*6008Syy154373 
26*6008Syy154373 #ifndef _SYS_KICONV_TC_H
27*6008Syy154373 #define	_SYS_KICONV_TC_H
28*6008Syy154373 
29*6008Syy154373 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30*6008Syy154373 
31*6008Syy154373 #ifdef __cplusplus
32*6008Syy154373 extern "C" {
33*6008Syy154373 #endif
34*6008Syy154373 
35*6008Syy154373 #ifdef	_KERNEL
36*6008Syy154373 
37*6008Syy154373 /* Valid first BIG5 byte or not. */
38*6008Syy154373 #define	KICONV_TC_IS_BIG5_1st_BYTE(v)	((v) >= 0x81 && (v) <= 0xFE)
39*6008Syy154373 
40*6008Syy154373 /* Valid second BIG5 byte or not. */
41*6008Syy154373 #define	KICONV_TC_IS_BIG5_2nd_BYTE(v)				\
42*6008Syy154373 	    (((v) >= 0x40 && (v) <= 0x7E) || ((v) >= 0xA1 && (v) <= 0xFE))
43*6008Syy154373 
44*6008Syy154373 /* Start byte of CNS 11643 plane 2 - plane 16. */
45*6008Syy154373 #define	KICONV_TC_EUCTW_MBYTE		(0x8E)
46*6008Syy154373 
47*6008Syy154373 /* Plane number mask of CNS 11643 */
48*6008Syy154373 #define	KICONV_TC_EUCTW_PMASK		(0xA0)
49*6008Syy154373 
50*6008Syy154373 /* Valid first byte of CNS 11643 1-16 plane character or not. */
51*6008Syy154373 #define	KICONV_TC_IS_EUCTW_1st_BYTE(v)				\
52*6008Syy154373 		((v) == KICONV_TC_EUCTW_MBYTE || KICONV_IS_VALID_EUC_BYTE(v))
53*6008Syy154373 
54*6008Syy154373 /* Valid EUC-TW sequence or not. */
55*6008Syy154373 #define	KICONV_TC_IS_VALID_EUCTW_SEQ(ib)				\
56*6008Syy154373 	    ((isplane1 && (KICONV_IS_VALID_EUC_BYTE(*((ib) + 1)))) ||	\
57*6008Syy154373 	    (plane_no <= 16 && plane_no >= 2 && 			\
58*6008Syy154373 	    KICONV_IS_VALID_EUC_BYTE(*((ib) + 2)) &&			\
59*6008Syy154373 	    KICONV_IS_VALID_EUC_BYTE(*((ib) + 3))))
60*6008Syy154373 
61*6008Syy154373 /*
62*6008Syy154373  * Plane 12/13/14/16 of EUC-TW fall in UDA range [U+F0000, U+F8A0F] in
63*6008Syy154373  * Unicode.
64*6008Syy154373  */
65*6008Syy154373 #define	KICONV_TC_UDA_UCS4_START	(0xF0000)
66*6008Syy154373 #define	KICONV_TC_UDA_UTF8_START	(0xF3B08080)
67*6008Syy154373 #define	KICONV_TC_UDA_UTF8_END		(0xF3B8A88F)
68*6008Syy154373 
69*6008Syy154373 #endif	/* _KERNEL */
70*6008Syy154373 
71*6008Syy154373 #ifdef __cplusplus
72*6008Syy154373 }
73*6008Syy154373 #endif
74*6008Syy154373 
75*6008Syy154373 #endif /* _SYS_KICONV_TC_H */
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