include/sys/kiconv_tc.h

   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_TC_H
  27 #define _SYS_KICONV_TC_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 BIG5 byte or not. */
  38 #define KICONV_TC_IS_BIG5_1st_BYTE(v)   ((v) >= 0x81 && (v) <= 0xFE)
  39
  40 /* Valid second BIG5 byte or not. */
  41 #define KICONV_TC_IS_BIG5_2nd_BYTE(v)                           \
  42             (((v) >= 0x40 && (v) <= 0x7E) || ((v) >= 0xA1 && (v) <= 0xFE))
  43
  44 /* Start byte of CNS 11643 plane 2 - plane 16. */
  45 #define KICONV_TC_EUCTW_MBYTE           (0x8E)
  46
  47 /* Plane number mask of CNS 11643 */
  48 #define KICONV_TC_EUCTW_PMASK           (0xA0)
  49
  50 /* Valid first byte of CNS 11643 1-16 plane character or not. */
  51 #define KICONV_TC_IS_EUCTW_1st_BYTE(v)                          \
  52                 ((v) == KICONV_TC_EUCTW_MBYTE || KICONV_IS_VALID_EUC_BYTE(v))
  53
  54 /* Valid EUC-TW sequence or not. */
  55 #define KICONV_TC_IS_VALID_EUCTW_SEQ(ib)                                \
  56             ((isplane1 && (KICONV_IS_VALID_EUC_BYTE(*((ib) + 1)))) ||   \
  57             (plane_no <= 16 && plane_no >= 2 &&                         \
  58             KICONV_IS_VALID_EUC_BYTE(*((ib) + 2)) &&                    \
  59             KICONV_IS_VALID_EUC_BYTE(*((ib) + 3))))
  60
  61 /*
  62  * Plane 12/13/14/16 of EUC-TW fall in UDA range [U+F0000, U+F8A0F] in
  63  * Unicode.
  64  */
  65 #define KICONV_TC_UDA_UCS4_START        (0xF0000)
  66 #define KICONV_TC_UDA_UTF8_START        (0xF3B08080)
  67 #define KICONV_TC_UDA_UTF8_END          (0xF3B8A88F)
  68
  69 #endif  /* _KERNEL */
  70
  71 #ifdef __cplusplus
  72 }
  73 #endif
  74
  75 #endif /* _SYS_KICONV_TC_H */