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e438a46845
2002-05-26 Bruno Haible <bruno@clisp.org> * iconv/loop.c (STANDARD_FROM_LOOP_ERR_HANDLER): New macro. (STANDARD_TO_LOOP_ERR_HANDLER): Renamed from STANDARD_ERR_HANDLER. All callers changed. * iconv/gconv_simple.c (ascii_internal_loop): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (utf8_internal_loop): Likewise. (ucs2_internal_loop): Likewise. (internal_ucs2_loop): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. * iconvdata/unicode.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/utf-16.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/utf-32.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/big5.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. * iconvdata/iso-2022-jp.c (BODY for FROM_LOOP): Likewise. * iconvdata/8bit-gap.c (BODY for FROM_LOOP): Likewise. * iconvdata/8bit-generic.c (BODY for FROM_LOOP): Likewise. * iconvdata/ansi_x3.110.c (BODY for FROM_LOOP): Likewise. * iconvdata/armscii-8.c (BODY for FROM_LOOP): Likewise. * iconvdata/cp1255.c (BODY for FROM_LOOP): Likewise. * iconvdata/cp1258.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-cn.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-jisx0213.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-jp.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-kr.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-tw.c (BODY for FROM_LOOP): Likewise. * iconvdata/big5hkscs.c (BODY for FROM_LOOP): Likewise. * iconvdata/gb18030.c (BODY for FROM_LOOP): Likewise. * iconvdata/gbk.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-cn-ext.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-cn.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-jp-3.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-kr.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso646.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso_6937-2.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso_6937.c (BODY for FROM_LOOP): Likewise. * iconvdata/johab.c (BODY for FROM_LOOP): Likewise. * iconvdata/shift_jisx0213.c (BODY for FROM_LOOP): Likewise. * iconvdata/sjis.c (BODY for FROM_LOOP): Likewise. * iconvdata/t.61.c (BODY for FROM_LOOP): Likewise. * iconvdata/uhc.c (BODY for FROM_LOOP): Likewise. * iconvdata/utf-7.c (BODY for FROM_LOOP): Likewise. * iconvdata/gbbig5.c (BODY for FROM_LOOP): Likewise. When ignoring an error, still set result = __GCONV_ILLEGAL_INPUT. (BODY for TO_LOOP): Likewise. * iconvdata/ibm930.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm932.c: Include <dlfcn.h> and <stdint.h>. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm933.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm935.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm937.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm939.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm943.c: Include <dlfcn.h> and <stdint.h>. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/gbgbk.c (BODY for FROM_LOOP): Update. * iconvdata/iso8859-1.c (BODY for TO_LOOP): Update. * iconvdata/tcvn5712-1.c (BODY for TO_LOOP): Update. 2002-06-28 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/sh/dl-machine.h (elf_machine_load_address): Use local labels in assembler instructions.
407 lines
14 KiB
C
407 lines
14 KiB
C
/* Conversion from and to Shift_JISX0213.
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Bruno Haible <bruno@clisp.org>, 2002.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <dlfcn.h>
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#include <stdint.h>
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#include <gconv.h>
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/* The structure of Shift_JISX0213 is as follows:
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0x00..0x7F: ISO646-JP, an ASCII variant
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0x{A1..DF}: JISX0201 Katakana.
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0x{81..9F,E0..EF}{40..7E,80..FC}: JISX0213 plane 1.
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0x{F0..FC}{40..7E,80..FC}: JISX0213 plane 2, with irregular row mapping.
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Note that some JISX0213 characters are not contained in Unicode 3.2
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and are therefore best represented as sequences of Unicode characters.
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*/
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#include "jisx0213.h"
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/* Definitions used in the body of the `gconv' function. */
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#define CHARSET_NAME "SHIFT_JISX0213//"
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#define FROM_LOOP from_shift_jisx0213
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#define TO_LOOP to_shift_jisx0213
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#define DEFINE_INIT 1
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#define DEFINE_FINI 1
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#define FROM_LOOP_MIN_NEEDED_FROM 1
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#define FROM_LOOP_MAX_NEEDED_FROM 2
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#define FROM_LOOP_MIN_NEEDED_TO 4
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#define FROM_LOOP_MAX_NEEDED_TO 8
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#define TO_LOOP_MIN_NEEDED_FROM 4
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#define TO_LOOP_MAX_NEEDED_FROM 4
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#define TO_LOOP_MIN_NEEDED_TO 1
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#define TO_LOOP_MAX_NEEDED_TO 2
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#define PREPARE_LOOP \
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int saved_state; \
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int *statep = &data->__statep->__count;
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#define EXTRA_LOOP_ARGS , statep
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/* Since we might have to reset input pointer we must be able to save
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and restore the state. */
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#define SAVE_RESET_STATE(Save) \
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if (Save) \
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saved_state = *statep; \
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else \
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*statep = saved_state
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/* During UCS-4 to Shift_JISX0213 conversion, the COUNT element of the state
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contains the last two bytes to be output, shifted by 3 bits. */
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/* Since this is a stateful encoding we have to provide code which resets
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the output state to the initial state. This has to be done during the
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flushing. */
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#define EMIT_SHIFT_TO_INIT \
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if (data->__statep->__count != 0) \
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{ \
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if (FROM_DIRECTION) \
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/* We don't use shift states in the FROM_DIRECTION. */ \
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data->__statep->__count = 0; \
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else \
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{ \
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if (__builtin_expect (outbuf + 2 <= outend, 1)) \
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{ \
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/* Write out the last character. */ \
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uint32_t lasttwo = data->__statep->__count >> 3; \
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*outbuf++ = (lasttwo >> 8) & 0xff; \
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*outbuf++ = lasttwo & 0xff; \
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data->__statep->__count = 0; \
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} \
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else \
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/* We don't have enough room in the output buffer. */ \
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status = __GCONV_FULL_OUTPUT; \
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} \
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}
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/* First define the conversion function from Shift_JISX0213 to UCS-4. */
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#define MIN_NEEDED_INPUT FROM_LOOP_MIN_NEEDED_FROM
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#define MAX_NEEDED_INPUT FROM_LOOP_MAX_NEEDED_FROM
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#define MIN_NEEDED_OUTPUT FROM_LOOP_MIN_NEEDED_TO
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#define MAX_NEEDED_OUTPUT FROM_LOOP_MAX_NEEDED_TO
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#define LOOPFCT FROM_LOOP
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#define BODY \
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{ \
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uint32_t ch = *inptr; \
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\
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if (ch < 0x80) \
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{ \
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/* Plain ISO646-JP character. */ \
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if (__builtin_expect (ch == 0x5c, 0)) \
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ch = 0xa5; \
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else if (__builtin_expect (ch == 0x7e, 0)) \
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ch = 0x203e; \
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++inptr; \
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} \
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else if (ch >= 0xa1 && ch <= 0xdf) \
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{ \
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/* Half-width katakana. */ \
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ch += 0xfec0; \
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++inptr; \
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} \
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else if ((ch >= 0x81 && ch <= 0x9f) || (ch >= 0xe0 && ch <= 0xfc)) \
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{ \
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/* Two byte character. */ \
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uint32_t ch2; \
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\
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if (__builtin_expect (inptr + 1 >= inend, 0)) \
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{ \
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/* The second byte is not available. */ \
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result = __GCONV_INCOMPLETE_INPUT; \
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break; \
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} \
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\
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ch2 = inptr[1]; \
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\
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/* The second byte must be in the range 0x{40..7E,80..FC}. */ \
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if (__builtin_expect (ch2 < 0x40 || ch2 == 0x7f || ch2 > 0xfc, 0)) \
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{ \
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/* This is an illegal character. */ \
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STANDARD_FROM_LOOP_ERR_HANDLER (1); \
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} \
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\
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/* Convert to row and column. */ \
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if (ch < 0xe0) \
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ch -= 0x81; \
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else \
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ch -= 0xc1; \
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if (ch2 < 0x80) \
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ch2 -= 0x40; \
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else \
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ch2 -= 0x41; \
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/* Now 0 <= ch <= 0x3b, 0 <= ch2 <= 0xbb. */ \
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ch = 2 * ch; \
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if (ch2 >= 0x5e) \
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ch2 -= 0x5e, ch++; \
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ch2 += 0x21; \
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if (ch >= 0x5e) \
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{ \
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/* Handling of JISX 0213 plane 2 rows. */ \
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if (ch >= 0x67) \
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ch += 230; \
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else if (ch >= 0x63 || ch == 0x5f) \
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ch += 168; \
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else \
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ch += 162; \
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} \
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\
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ch = jisx0213_to_ucs4 (0x121 + ch, ch2); \
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\
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if (ch == 0) \
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{ \
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/* This is an illegal character. */ \
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STANDARD_FROM_LOOP_ERR_HANDLER (1); \
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} \
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\
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if (ch < 0x80) \
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{ \
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/* It's a combining character. */ \
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uint32_t u1 = __jisx0213_to_ucs_combining[ch - 1][0]; \
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uint32_t u2 = __jisx0213_to_ucs_combining[ch - 1][1]; \
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\
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/* See whether we have room for two characters. */ \
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if (outptr + 8 <= outend) \
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{ \
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inptr += 2; \
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put32 (outptr, u1); \
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outptr += 4; \
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put32 (outptr, u2); \
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outptr += 4; \
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continue; \
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} \
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else \
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{ \
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result = __GCONV_FULL_OUTPUT; \
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break; \
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} \
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} \
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\
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inptr += 2; \
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} \
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else \
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{ \
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/* This is illegal. */ \
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STANDARD_FROM_LOOP_ERR_HANDLER (1); \
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} \
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\
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put32 (outptr, ch); \
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outptr += 4; \
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}
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#define LOOP_NEED_FLAGS
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#define EXTRA_LOOP_DECLS , int *statep
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#include <iconv/loop.c>
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/* Next, define the other direction, from UCS-4 to Shift_JISX0213. */
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/* Composition tables for each of the relevant combining characters. */
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static const struct
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{
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uint16_t base;
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uint16_t composed;
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} comp_table_data[] =
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{
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#define COMP_TABLE_IDX_02E5 0
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#define COMP_TABLE_LEN_02E5 1
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{ 0x8684, 0x8685 }, /* 0x12B65 = 0x12B64 U+02E5 */
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#define COMP_TABLE_IDX_02E9 (COMP_TABLE_IDX_02E5 + COMP_TABLE_LEN_02E5)
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#define COMP_TABLE_LEN_02E9 1
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{ 0x8680, 0x8686 }, /* 0x12B66 = 0x12B60 U+02E9 */
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#define COMP_TABLE_IDX_0300 (COMP_TABLE_IDX_02E9 + COMP_TABLE_LEN_02E9)
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#define COMP_TABLE_LEN_0300 5
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{ 0x857b, 0x8663 }, /* 0x12B44 = 0x1295C U+0300 */
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{ 0x8657, 0x8667 }, /* 0x12B48 = 0x12B38 U+0300 */
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{ 0x8656, 0x8669 }, /* 0x12B4A = 0x12B37 U+0300 */
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{ 0x864f, 0x866b }, /* 0x12B4C = 0x12B30 U+0300 */
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{ 0x8662, 0x866d }, /* 0x12B4E = 0x12B43 U+0300 */
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#define COMP_TABLE_IDX_0301 (COMP_TABLE_IDX_0300 + COMP_TABLE_LEN_0300)
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#define COMP_TABLE_LEN_0301 4
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{ 0x8657, 0x8668 }, /* 0x12B49 = 0x12B38 U+0301 */
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{ 0x8656, 0x866a }, /* 0x12B4B = 0x12B37 U+0301 */
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{ 0x864f, 0x866c }, /* 0x12B4D = 0x12B30 U+0301 */
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{ 0x8662, 0x866e }, /* 0x12B4F = 0x12B43 U+0301 */
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#define COMP_TABLE_IDX_309A (COMP_TABLE_IDX_0301 + COMP_TABLE_LEN_0301)
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#define COMP_TABLE_LEN_309A 14
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{ 0x82a9, 0x82f5 }, /* 0x12477 = 0x1242B U+309A */
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{ 0x82ab, 0x82f6 }, /* 0x12478 = 0x1242D U+309A */
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{ 0x82ad, 0x82f7 }, /* 0x12479 = 0x1242F U+309A */
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{ 0x82af, 0x82f8 }, /* 0x1247A = 0x12431 U+309A */
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{ 0x82b1, 0x82f9 }, /* 0x1247B = 0x12433 U+309A */
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{ 0x834a, 0x8397 }, /* 0x12577 = 0x1252B U+309A */
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{ 0x834c, 0x8398 }, /* 0x12578 = 0x1252D U+309A */
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{ 0x834e, 0x8399 }, /* 0x12579 = 0x1252F U+309A */
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{ 0x8350, 0x839a }, /* 0x1257A = 0x12531 U+309A */
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{ 0x8352, 0x839b }, /* 0x1257B = 0x12533 U+309A */
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{ 0x835a, 0x839c }, /* 0x1257C = 0x1253B U+309A */
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{ 0x8363, 0x839d }, /* 0x1257D = 0x12544 U+309A */
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{ 0x8367, 0x839e }, /* 0x1257E = 0x12548 U+309A */
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{ 0x83f3, 0x83f6 }, /* 0x12678 = 0x12675 U+309A */
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};
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#define MIN_NEEDED_INPUT TO_LOOP_MIN_NEEDED_FROM
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#define MAX_NEEDED_INPUT TO_LOOP_MAX_NEEDED_FROM
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#define MIN_NEEDED_OUTPUT TO_LOOP_MIN_NEEDED_TO
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#define MAX_NEEDED_OUTPUT TO_LOOP_MAX_NEEDED_TO
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#define LOOPFCT TO_LOOP
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#define BODY \
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{ \
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uint32_t ch = get32 (inptr); \
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\
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if ((*statep >> 3) != 0) \
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{ \
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/* Attempt to combine the last character with this one. */ \
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uint16_t lasttwo = *statep >> 3; \
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unsigned int idx; \
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unsigned int len; \
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\
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if (ch == 0x02e5) \
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idx = COMP_TABLE_IDX_02E5, len = COMP_TABLE_LEN_02E5; \
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else if (ch == 0x02e9) \
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idx = COMP_TABLE_IDX_02E9, len = COMP_TABLE_LEN_02E9; \
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else if (ch == 0x0300) \
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idx = COMP_TABLE_IDX_0300, len = COMP_TABLE_LEN_0300; \
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else if (ch == 0x0301) \
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idx = COMP_TABLE_IDX_0301, len = COMP_TABLE_LEN_0301; \
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else if (ch == 0x309a) \
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idx = COMP_TABLE_IDX_309A, len = COMP_TABLE_LEN_309A; \
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else \
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goto not_combining; \
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\
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do \
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if (comp_table_data[idx].base == lasttwo) \
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break; \
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while (++idx, --len > 0); \
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\
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if (len > 0) \
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{ \
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/* Output the combined character. */ \
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if (__builtin_expect (outptr + 1 >= outend, 0)) \
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{ \
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result = __GCONV_FULL_OUTPUT; \
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break; \
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} \
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lasttwo = comp_table_data[idx].composed; \
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*outptr++ = (lasttwo >> 8) & 0xff; \
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*outptr++ = lasttwo & 0xff; \
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*statep = 0; \
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inptr += 4; \
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continue; \
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} \
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\
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not_combining: \
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/* Output the buffered character. */ \
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if (__builtin_expect (outptr + 1 >= outend, 0)) \
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{ \
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result = __GCONV_FULL_OUTPUT; \
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break; \
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} \
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*outptr++ = (lasttwo >> 8) & 0xff; \
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*outptr++ = lasttwo & 0xff; \
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*statep = 0; \
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continue; \
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} \
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\
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if (ch < 0x80) \
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/* Plain ISO646-JP character. */ \
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*outptr++ = ch; \
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else if (ch == 0xa5) \
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*outptr++ = 0x5c; \
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else if (ch == 0x203e) \
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*outptr++ = 0x7e; \
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else if (ch >= 0xff61 && ch <= 0xff9f) \
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/* Half-width katakana. */ \
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*outptr++ = ch - 0xfec0; \
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else \
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{ \
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unsigned int s1, s2; \
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uint32_t jch = ucs4_to_jisx0213 (ch); \
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if (jch == 0) \
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{ \
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UNICODE_TAG_HANDLER (ch, 4); \
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\
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/* Illegal character. */ \
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STANDARD_TO_LOOP_ERR_HANDLER (4); \
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} \
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\
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/* Convert it to shifted representation. */ \
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s1 = jch >> 8; \
|
|
s2 = jch & 0x7f; \
|
|
s1 -= 0x21; \
|
|
s2 -= 0x21; \
|
|
if (s1 >= 0x5e) \
|
|
{ \
|
|
/* Handling of JISX 0213 plane 2 rows. */ \
|
|
if (s1 >= 0xcd) /* rows 0x26E..0x27E */ \
|
|
s1 -= 102; \
|
|
else if (s1 >= 0x8b || s1 == 0x87) /* rows 0x228, 0x22C..0x22F */ \
|
|
s1 -= 40; \
|
|
else /* rows 0x221, 0x223..0x225 */ \
|
|
s1 -= 34; \
|
|
/* Now 0x5e <= s1 <= 0x77. */ \
|
|
} \
|
|
if (s1 & 1) \
|
|
s2 += 0x5e; \
|
|
s1 = s1 >> 1; \
|
|
if (s1 < 0x1f) \
|
|
s1 += 0x81; \
|
|
else \
|
|
s1 += 0xc1; \
|
|
if (s2 < 0x3f) \
|
|
s2 += 0x40; \
|
|
else \
|
|
s2 += 0x41; \
|
|
\
|
|
if (jch & 0x0080) \
|
|
{ \
|
|
/* A possible match in comp_table_data. We have to buffer it. */\
|
|
\
|
|
/* We know it's a JISX 0213 plane 1 character. */ \
|
|
assert ((jch & 0x8000) == 0); \
|
|
\
|
|
*statep = ((s1 << 8) | s2) << 3; \
|
|
inptr += 4; \
|
|
continue; \
|
|
} \
|
|
\
|
|
/* Output the shifted representation. */ \
|
|
if (__builtin_expect (outptr + 1 >= outend, 0)) \
|
|
{ \
|
|
result = __GCONV_FULL_OUTPUT; \
|
|
break; \
|
|
} \
|
|
*outptr++ = s1; \
|
|
*outptr++ = s2; \
|
|
} \
|
|
\
|
|
inptr += 4; \
|
|
}
|
|
#define LOOP_NEED_FLAGS
|
|
#define EXTRA_LOOP_DECLS , int *statep
|
|
#include <iconv/loop.c>
|
|
|
|
|
|
/* Now define the toplevel functions. */
|
|
#include <iconv/skeleton.c>
|