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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 usr/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 usr/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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_KICONV_SC_H
#define _SYS_KICONV_SC_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _KERNEL
/* Valid first byte of GB18030 character or not. */
#define KICONV_SC_IS_GBK_1st_BYTE(c) ((c) >= 0x81 && (c) <= 0xfe)
/* Valid 2nd byte of 2 bytes GB18030 character or not. */
#define KICONV_SC_IS_GBK_2nd_BYTE(c) \
(((c) >= 0x40 && (c) <= 0x7E) || ((c) >= 0x80 && (c) <= 0xFE))
/* Valid 2nd byte of 4 bytes GB18030 character or not. */
#define KICONV_SC_IS_GB18030_2nd_BYTE(c) ((c) >= 0x30 && (c) <= 0x39)
/* Valid 3rd byte of 4 bytes GB18030 character or not. */
#define KICONV_SC_IS_GB18030_3rd_BYTE(c) ((c) >= 0x81 && (c) <= 0xfe)
/* Valid 4th byte of 4 bytes GB18030 character or not. */
#define KICONV_SC_IS_GB18030_4th_BYTE(c) \
KICONV_SC_IS_GB18030_2nd_BYTE((c))
/* Get the number of bytes of one GB character(uint32_t). */
#define KICONV_SC_GET_GB_LEN(v, l) \
if (((v) & 0xFFFF0000) != 0) \
(l) = 4; \
else if (((v) & 0xFF00) != 0) \
(l) = 2; \
else \
(l) = 1
/* Valid GB2312 byte or not. */
#define KICONV_SC_IS_GB2312_BYTE(b) ((b) >= 0xA1 && (b) <= 0xFE)
/* UTF-8 value of Unicode Plane 1 start code point (U+10000). */
#define KICONV_SC_PLANE1_UCS4_START (0x10000)
#define KICONV_SC_PLANE1_UTF8_START (0xF0908080)
/* Start code point of GB18030 which maps to U+10000. */
#define KICONV_SC_PLANE1_GB18030_START (0x90308130)
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_KICONV_SC_H */
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