xref: /titanic_51/usr/src/uts/common/sys/kiconv_sc.h (revision 15d9d0b528387242011cdcc6190c9e598cfe3a07)
1*15d9d0b5Syy154373 /*
2*15d9d0b5Syy154373  * CDDL HEADER START
3*15d9d0b5Syy154373  *
4*15d9d0b5Syy154373  * The contents of this file are subject to the terms of the
5*15d9d0b5Syy154373  * Common Development and Distribution License (the "License").
6*15d9d0b5Syy154373  * You may not use this file except in compliance with the License.
7*15d9d0b5Syy154373  *
8*15d9d0b5Syy154373  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*15d9d0b5Syy154373  * or http://www.opensolaris.org/os/licensing.
10*15d9d0b5Syy154373  * See the License for the specific language governing permissions
11*15d9d0b5Syy154373  * and limitations under the License.
12*15d9d0b5Syy154373  *
13*15d9d0b5Syy154373  * When distributing Covered Code, include this CDDL HEADER in each
14*15d9d0b5Syy154373  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*15d9d0b5Syy154373  * If applicable, add the following below this CDDL HEADER, with the
16*15d9d0b5Syy154373  * fields enclosed by brackets "[]" replaced with your own identifying
17*15d9d0b5Syy154373  * information: Portions Copyright [yyyy] [name of copyright owner]
18*15d9d0b5Syy154373  *
19*15d9d0b5Syy154373  * CDDL HEADER END
20*15d9d0b5Syy154373  */
21*15d9d0b5Syy154373 /*
22*15d9d0b5Syy154373  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23*15d9d0b5Syy154373  * Use is subject to license terms.
24*15d9d0b5Syy154373  */
25*15d9d0b5Syy154373 
26*15d9d0b5Syy154373 #ifndef _SYS_KICONV_SC_H
27*15d9d0b5Syy154373 #define	_SYS_KICONV_SC_H
28*15d9d0b5Syy154373 
29*15d9d0b5Syy154373 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30*15d9d0b5Syy154373 
31*15d9d0b5Syy154373 #ifdef __cplusplus
32*15d9d0b5Syy154373 extern "C" {
33*15d9d0b5Syy154373 #endif
34*15d9d0b5Syy154373 
35*15d9d0b5Syy154373 #ifdef	_KERNEL
36*15d9d0b5Syy154373 
37*15d9d0b5Syy154373 /* Valid first byte of GB18030 character or not. */
38*15d9d0b5Syy154373 #define	KICONV_SC_IS_GBK_1st_BYTE(c)		((c) >= 0x81 && (c) <= 0xfe)
39*15d9d0b5Syy154373 
40*15d9d0b5Syy154373 /* Valid 2nd byte of 2 bytes GB18030 character or not. */
41*15d9d0b5Syy154373 #define	KICONV_SC_IS_GBK_2nd_BYTE(c)					\
42*15d9d0b5Syy154373 		(((c) >= 0x40 && (c) <= 0x7E) || ((c) >= 0x80 && (c) <= 0xFE))
43*15d9d0b5Syy154373 
44*15d9d0b5Syy154373 /* Valid 2nd byte of 4 bytes GB18030 character or not. */
45*15d9d0b5Syy154373 #define	KICONV_SC_IS_GB18030_2nd_BYTE(c)	((c) >= 0x30 && (c) <= 0x39)
46*15d9d0b5Syy154373 
47*15d9d0b5Syy154373 /* Valid 3rd byte of 4 bytes GB18030 character or not. */
48*15d9d0b5Syy154373 #define	KICONV_SC_IS_GB18030_3rd_BYTE(c)	((c) >= 0x81 && (c) <= 0xfe)
49*15d9d0b5Syy154373 
50*15d9d0b5Syy154373 /* Valid 4th byte of 4 bytes GB18030 character or not. */
51*15d9d0b5Syy154373 #define	KICONV_SC_IS_GB18030_4th_BYTE(c)			\
52*15d9d0b5Syy154373 	    KICONV_SC_IS_GB18030_2nd_BYTE((c))
53*15d9d0b5Syy154373 
54*15d9d0b5Syy154373 /* Get the number of bytes of one GB character(uint32_t). */
55*15d9d0b5Syy154373 #define	KICONV_SC_GET_GB_LEN(v, l)				\
56*15d9d0b5Syy154373 	    if (((v) & 0xFFFF0000) != 0)			\
57*15d9d0b5Syy154373 		    (l) = 4;					\
58*15d9d0b5Syy154373 	    else if (((v) & 0xFF00) != 0)			\
59*15d9d0b5Syy154373 		    (l) = 2;					\
60*15d9d0b5Syy154373 	    else						\
61*15d9d0b5Syy154373 		    (l) = 1
62*15d9d0b5Syy154373 
63*15d9d0b5Syy154373 /* Valid GB2312 byte or not. */
64*15d9d0b5Syy154373 #define	KICONV_SC_IS_GB2312_BYTE(b)		((b) >= 0xA1 && (b) <= 0xFE)
65*15d9d0b5Syy154373 
66*15d9d0b5Syy154373 /* UTF-8 value of Unicode Plane 1 start code point (U+10000). */
67*15d9d0b5Syy154373 #define	KICONV_SC_PLANE1_UCS4_START		(0x10000)
68*15d9d0b5Syy154373 #define	KICONV_SC_PLANE1_UTF8_START		(0xF0908080)
69*15d9d0b5Syy154373 
70*15d9d0b5Syy154373 /* Start code point of GB18030 which maps to U+10000. */
71*15d9d0b5Syy154373 #define	KICONV_SC_PLANE1_GB18030_START		(0x90308130)
72*15d9d0b5Syy154373 
73*15d9d0b5Syy154373 #endif	/* _KERNEL */
74*15d9d0b5Syy154373 
75*15d9d0b5Syy154373 #ifdef __cplusplus
76*15d9d0b5Syy154373 }
77*15d9d0b5Syy154373 #endif
78*15d9d0b5Syy154373 
79*15d9d0b5Syy154373 #endif /* _SYS_KICONV_SC_H */
80