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 usr/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 usr/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 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_KICONV_SC_H 27 #define _SYS_KICONV_SC_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #ifdef _KERNEL 36 37 /* Valid first byte of GB18030 character or not. */ 38 #define KICONV_SC_IS_GBK_1st_BYTE(c) ((c) >= 0x81 && (c) <= 0xfe) 39 40 /* Valid 2nd byte of 2 bytes GB18030 character or not. */ 41 #define KICONV_SC_IS_GBK_2nd_BYTE(c) \ 42 (((c) >= 0x40 && (c) <= 0x7E) || ((c) >= 0x80 && (c) <= 0xFE)) 43 44 /* Valid 2nd byte of 4 bytes GB18030 character or not. */ 45 #define KICONV_SC_IS_GB18030_2nd_BYTE(c) ((c) >= 0x30 && (c) <= 0x39) 46 47 /* Valid 3rd byte of 4 bytes GB18030 character or not. */ 48 #define KICONV_SC_IS_GB18030_3rd_BYTE(c) ((c) >= 0x81 && (c) <= 0xfe) 49 50 /* Valid 4th byte of 4 bytes GB18030 character or not. */ 51 #define KICONV_SC_IS_GB18030_4th_BYTE(c) \ 52 KICONV_SC_IS_GB18030_2nd_BYTE((c)) 53 54 /* Get the number of bytes of one GB character(uint32_t). */ 55 #define KICONV_SC_GET_GB_LEN(v, l) \ 56 if (((v) & 0xFFFF0000) != 0) \ 57 (l) = 4; \ 58 else if (((v) & 0xFF00) != 0) \ 59 (l) = 2; \ 60 else \ 61 (l) = 1 62 63 /* Valid GB2312 byte or not. */ 64 #define KICONV_SC_IS_GB2312_BYTE(b) ((b) >= 0xA1 && (b) <= 0xFE) 65 66 /* UTF-8 value of Unicode Plane 1 start code point (U+10000). */ 67 #define KICONV_SC_PLANE1_UCS4_START (0x10000) 68 #define KICONV_SC_PLANE1_UTF8_START (0xF0908080) 69 70 /* Start code point of GB18030 which maps to U+10000. */ 71 #define KICONV_SC_PLANE1_GB18030_START (0x90308130) 72 73 #endif /* _KERNEL */ 74 75 #ifdef __cplusplus 76 } 77 #endif 78 79 #endif /* _SYS_KICONV_SC_H */ 80