/* Conversion module for ISO-2022-JP-3. Copyright (C) 1998-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 1998, and Bruno Haible , 2002. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #include #include #include #include #include #include "jis0201.h" #include "jis0208.h" #include "jisx0213.h" /* This makes obvious what everybody knows: 0x1b is the Esc character. */ #define ESC 0x1b /* Definitions used in the body of the `gconv' function. */ #define CHARSET_NAME "ISO-2022-JP-3//" #define FROM_LOOP from_iso2022jp3_loop #define TO_LOOP to_iso2022jp3_loop #define DEFINE_INIT 1 #define DEFINE_FINI 1 #define ONE_DIRECTION 0 #define FROM_LOOP_MIN_NEEDED_FROM 1 #define FROM_LOOP_MAX_NEEDED_FROM 4 #define FROM_LOOP_MIN_NEEDED_TO 4 #define FROM_LOOP_MAX_NEEDED_TO 8 #define TO_LOOP_MIN_NEEDED_FROM 4 #define TO_LOOP_MAX_NEEDED_FROM 4 #define TO_LOOP_MIN_NEEDED_TO 1 #define TO_LOOP_MAX_NEEDED_TO 6 #define PREPARE_LOOP \ int saved_state; \ int *statep = &data->__statep->__count; #define EXTRA_LOOP_ARGS , statep /* The COUNT element of the state keeps track of the currently selected character set. The possible values are: */ enum { ASCII_set = 0, /* Esc ( B */ JISX0208_1978_set = 1 << 3, /* Esc $ @ */ JISX0208_1983_set = 2 << 3, /* Esc $ B */ JISX0201_Roman_set = 3 << 3, /* Esc ( J */ JISX0201_Kana_set = 4 << 3, /* Esc ( I */ JISX0213_1_2000_set = 5 << 3, /* Esc $ ( O */ JISX0213_2_set = 6 << 3, /* Esc $ ( P */ JISX0213_1_2004_set = 7 << 3, /* Esc $ ( Q */ CURRENT_SEL_MASK = 7 << 3 }; /* During UCS-4 to ISO-2022-JP-3 conversion, the COUNT element of the state also contains the last two bytes to be output, shifted by 6 bits, and a one-bit indicator whether they must be preceded by the shift sequence, in bit 22. */ /* Since this is a stateful encoding we have to provide code which resets the output state to the initial state. This has to be done during the flushing. */ #define EMIT_SHIFT_TO_INIT \ if ((data->__statep->__count & ~7) != ASCII_set) \ { \ if (FROM_DIRECTION) \ { \ /* It's easy, we don't have to emit anything, we just reset the \ state for the input. */ \ data->__statep->__count &= 7; \ data->__statep->__count |= ASCII_set; \ } \ else \ { \ /* We are not in the initial state. To switch back we have \ to write out the buffered character and/or emit the sequence \ `Esc ( B'. */ \ size_t need = \ (data->__statep->__count >> 6 \ ? (data->__statep->__count >> 22 ? 3 : 0) + 2 \ : 0) \ + ((data->__statep->__count & CURRENT_SEL_MASK) != ASCII_set \ ? 3 : 0); \ \ if (__glibc_unlikely (outbuf + need > outend)) \ /* We don't have enough room in the output buffer. */ \ status = __GCONV_FULL_OUTPUT; \ else \ { \ if (data->__statep->__count >> 6) \ { \ uint32_t lasttwo = data->__statep->__count >> 6; \ \ if (lasttwo >> 16) \ { \ /* Write out the shift sequence before the last \ character. */ \ assert ((data->__statep->__count & CURRENT_SEL_MASK) \ == JISX0208_1983_set); \ *outbuf++ = ESC; \ *outbuf++ = '$'; \ *outbuf++ = 'B'; \ } \ /* Write out the last character. */ \ *outbuf++ = (lasttwo >> 8) & 0xff; \ *outbuf++ = lasttwo & 0xff; \ } \ if ((data->__statep->__count & CURRENT_SEL_MASK) != ASCII_set) \ { \ /* Write out the shift sequence. */ \ *outbuf++ = ESC; \ *outbuf++ = '('; \ *outbuf++ = 'B'; \ } \ data->__statep->__count &= 7; \ data->__statep->__count |= ASCII_set; \ } \ } \ } /* Since we might have to reset input pointer we must be able to save and retore the state. */ #define SAVE_RESET_STATE(Save) \ if (Save) \ saved_state = *statep; \ else \ *statep = saved_state /* First define the conversion function from ISO-2022-JP-3 to UCS-4. */ #define MIN_NEEDED_INPUT FROM_LOOP_MIN_NEEDED_FROM #define MAX_NEEDED_INPUT FROM_LOOP_MAX_NEEDED_FROM #define MIN_NEEDED_OUTPUT FROM_LOOP_MIN_NEEDED_TO #define MAX_NEEDED_OUTPUT FROM_LOOP_MAX_NEEDED_TO #define LOOPFCT FROM_LOOP #define BODY \ { \ uint32_t ch = *inptr; \ \ /* Recognize escape sequences. */ \ if (__glibc_unlikely (ch == ESC)) \ { \ /* We now must be prepared to read two to three more bytes. \ If we have a match in the first byte but then the input buffer \ ends we terminate with an error since we must not risk missing \ an escape sequence just because it is not entirely in the \ current input buffer. */ \ if (__builtin_expect (inptr + 2 >= inend, 0) \ || (inptr[1] == '$' && inptr[2] == '(' \ && __builtin_expect (inptr + 3 >= inend, 0))) \ { \ /* Not enough input available. */ \ result = __GCONV_INCOMPLETE_INPUT; \ break; \ } \ \ if (inptr[1] == '(') \ { \ if (inptr[2] == 'B') \ { \ /* ASCII selected. */ \ set = ASCII_set; \ inptr += 3; \ continue; \ } \ else if (inptr[2] == 'J') \ { \ /* JIS X 0201 selected. */ \ set = JISX0201_Roman_set; \ inptr += 3; \ continue; \ } \ else if (inptr[2] == 'I') \ { \ /* JIS X 0201 selected. */ \ set = JISX0201_Kana_set; \ inptr += 3; \ continue; \ } \ } \ else if (inptr[1] == '$') \ { \ if (inptr[2] == '@') \ { \ /* JIS X 0208-1978 selected. */ \ set = JISX0208_1978_set; \ inptr += 3; \ continue; \ } \ else if (inptr[2] == 'B') \ { \ /* JIS X 0208-1983 selected. */ \ set = JISX0208_1983_set; \ inptr += 3; \ continue; \ } \ else if (inptr[2] == '(') \ { \ if (inptr[3] == 'O' || inptr[3] == 'Q') \ { \ /* JIS X 0213 plane 1 selected. */ \ /* In this direction we don't need to distinguish the \ versions from 2000 and 2004. */ \ set = JISX0213_1_2004_set; \ inptr += 4; \ continue; \ } \ else if (inptr[3] == 'P') \ { \ /* JIS X 0213 plane 2 selected. */ \ set = JISX0213_2_set; \ inptr += 4; \ continue; \ } \ } \ } \ } \ \ if (ch >= 0x80) \ { \ STANDARD_FROM_LOOP_ERR_HANDLER (1); \ } \ else if (set == ASCII_set || (ch < 0x21 || ch == 0x7f)) \ /* Almost done, just advance the input pointer. */ \ ++inptr; \ else if (set == JISX0201_Roman_set) \ { \ /* Use the JIS X 0201 table. */ \ ch = jisx0201_to_ucs4 (ch); \ if (__glibc_unlikely (ch == __UNKNOWN_10646_CHAR)) \ { \ STANDARD_FROM_LOOP_ERR_HANDLER (1); \ } \ ++inptr; \ } \ else if (set == JISX0201_Kana_set) \ { \ /* Use the JIS X 0201 table. */ \ ch = jisx0201_to_ucs4 (ch + 0x80); \ if (__glibc_unlikely (ch == __UNKNOWN_10646_CHAR)) \ { \ STANDARD_FROM_LOOP_ERR_HANDLER (1); \ } \ ++inptr; \ } \ else if (set == JISX0208_1978_set || set == JISX0208_1983_set) \ { \ /* XXX I don't have the tables for these two old variants of \ JIS X 0208. Therefore I'm using the tables for JIS X \ 0208-1990. If somebody has problems with this please \ provide the appropriate tables. */ \ ch = jisx0208_to_ucs4 (&inptr, inend - inptr, 0); \ \ if (__glibc_unlikely (ch == 0)) \ { \ result = __GCONV_INCOMPLETE_INPUT; \ break; \ } \ else if (__glibc_unlikely (ch == __UNKNOWN_10646_CHAR)) \ { \ STANDARD_FROM_LOOP_ERR_HANDLER (1); \ } \ } \ else /* (set == JISX0213_1_2004_set || set == JISX0213_2_set) */ \ { \ if (__glibc_unlikely (inptr + 1 >= inend)) \ { \ result = __GCONV_INCOMPLETE_INPUT; \ break; \ } \ \ ch = jisx0213_to_ucs4 ( \ ((JISX0213_1_2004_set - set + (1 << 3)) << 5) + ch, \ inptr[1]); \ if (ch == 0) \ STANDARD_FROM_LOOP_ERR_HANDLER (1); \ \ if (ch < 0x80) \ { \ /* It's a combining character. */ \ uint32_t u1 = __jisx0213_to_ucs_combining[ch - 1][0]; \ uint32_t u2 = __jisx0213_to_ucs_combining[ch - 1][1]; \ \ /* See whether we have room for two characters. */ \ if (outptr + 8 <= outend) \ { \ inptr += 2; \ put32 (outptr, u1); \ outptr += 4; \ put32 (outptr, u2); \ outptr += 4; \ continue; \ } \ else \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ } \ \ inptr += 2; \ } \ \ put32 (outptr, ch); \ outptr += 4; \ } #define LOOP_NEED_FLAGS #define EXTRA_LOOP_DECLS , int *statep #define INIT_PARAMS int set = *statep #define UPDATE_PARAMS *statep = set #include /* Next, define the other direction, from UCS-4 to ISO-2022-JP-3. */ /* Composition tables for each of the relevant combining characters. */ static const struct { uint16_t base; uint16_t composed; } comp_table_data[] = { #define COMP_TABLE_IDX_02E5 0 #define COMP_TABLE_LEN_02E5 1 { 0x2b64, 0x2b65 }, /* 0x12B65 = 0x12B64 U+02E5 */ #define COMP_TABLE_IDX_02E9 (COMP_TABLE_IDX_02E5 + COMP_TABLE_LEN_02E5) #define COMP_TABLE_LEN_02E9 1 { 0x2b60, 0x2b66 }, /* 0x12B66 = 0x12B60 U+02E9 */ #define COMP_TABLE_IDX_0300 (COMP_TABLE_IDX_02E9 + COMP_TABLE_LEN_02E9) #define COMP_TABLE_LEN_0300 5 { 0x295c, 0x2b44 }, /* 0x12B44 = 0x1295C U+0300 */ { 0x2b38, 0x2b48 }, /* 0x12B48 = 0x12B38 U+0300 */ { 0x2b37, 0x2b4a }, /* 0x12B4A = 0x12B37 U+0300 */ { 0x2b30, 0x2b4c }, /* 0x12B4C = 0x12B30 U+0300 */ { 0x2b43, 0x2b4e }, /* 0x12B4E = 0x12B43 U+0300 */ #define COMP_TABLE_IDX_0301 (COMP_TABLE_IDX_0300 + COMP_TABLE_LEN_0300) #define COMP_TABLE_LEN_0301 4 { 0x2b38, 0x2b49 }, /* 0x12B49 = 0x12B38 U+0301 */ { 0x2b37, 0x2b4b }, /* 0x12B4B = 0x12B37 U+0301 */ { 0x2b30, 0x2b4d }, /* 0x12B4D = 0x12B30 U+0301 */ { 0x2b43, 0x2b4f }, /* 0x12B4F = 0x12B43 U+0301 */ #define COMP_TABLE_IDX_309A (COMP_TABLE_IDX_0301 + COMP_TABLE_LEN_0301) #define COMP_TABLE_LEN_309A 14 { 0x242b, 0x2477 }, /* 0x12477 = 0x1242B U+309A */ { 0x242d, 0x2478 }, /* 0x12478 = 0x1242D U+309A */ { 0x242f, 0x2479 }, /* 0x12479 = 0x1242F U+309A */ { 0x2431, 0x247a }, /* 0x1247A = 0x12431 U+309A */ { 0x2433, 0x247b }, /* 0x1247B = 0x12433 U+309A */ { 0x252b, 0x2577 }, /* 0x12577 = 0x1252B U+309A */ { 0x252d, 0x2578 }, /* 0x12578 = 0x1252D U+309A */ { 0x252f, 0x2579 }, /* 0x12579 = 0x1252F U+309A */ { 0x2531, 0x257a }, /* 0x1257A = 0x12531 U+309A */ { 0x2533, 0x257b }, /* 0x1257B = 0x12533 U+309A */ { 0x253b, 0x257c }, /* 0x1257C = 0x1253B U+309A */ { 0x2544, 0x257d }, /* 0x1257D = 0x12544 U+309A */ { 0x2548, 0x257e }, /* 0x1257E = 0x12548 U+309A */ { 0x2675, 0x2678 }, /* 0x12678 = 0x12675 U+309A */ }; #define MIN_NEEDED_INPUT TO_LOOP_MIN_NEEDED_FROM #define MAX_NEEDED_INPUT TO_LOOP_MAX_NEEDED_FROM #define MIN_NEEDED_OUTPUT TO_LOOP_MIN_NEEDED_TO #define MAX_NEEDED_OUTPUT TO_LOOP_MAX_NEEDED_TO #define LOOPFCT TO_LOOP #define BODY \ { \ uint32_t ch = get32 (inptr); \ \ if (lasttwo != 0) \ { \ /* Attempt to combine the last character with this one. */ \ unsigned int idx; \ unsigned int len; \ \ if (ch == 0x02e5) \ idx = COMP_TABLE_IDX_02E5, len = COMP_TABLE_LEN_02E5; \ else if (ch == 0x02e9) \ idx = COMP_TABLE_IDX_02E9, len = COMP_TABLE_LEN_02E9; \ else if (ch == 0x0300) \ idx = COMP_TABLE_IDX_0300, len = COMP_TABLE_LEN_0300; \ else if (ch == 0x0301) \ idx = COMP_TABLE_IDX_0301, len = COMP_TABLE_LEN_0301; \ else if (ch == 0x309a) \ idx = COMP_TABLE_IDX_309A, len = COMP_TABLE_LEN_309A; \ else \ goto not_combining; \ \ do \ if (comp_table_data[idx].base == (uint16_t) lasttwo) \ break; \ while (++idx, --len > 0); \ \ if (len > 0) \ { \ /* Output the combined character. */ \ /* We know the combined character is in JISX0213 plane 1, \ but the buffered character may have been in JISX0208 or in \ JISX0213 plane 1. */ \ size_t need = \ (lasttwo >> 16 \ || (set != JISX0213_1_2000_set && set != JISX0213_1_2004_set) \ ? 4 : 0); \ \ if (__glibc_unlikely (outptr + need + 2 > outend)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ if (need) \ { \ /* But first, output the escape sequence. */ \ *outptr++ = ESC; \ *outptr++ = '$'; \ *outptr++ = '('; \ *outptr++ = 'O'; \ set = JISX0213_1_2000_set; \ } \ lasttwo = comp_table_data[idx].composed; \ *outptr++ = (lasttwo >> 8) & 0xff; \ *outptr++ = lasttwo & 0xff; \ lasttwo = 0; \ inptr += 4; \ continue; \ } \ \ not_combining: \ /* Output the buffered character. */ \ /* We know it is in JISX0208 or in JISX0213 plane 1. */ \ { \ size_t need = (lasttwo >> 16 ? 3 : 0); \ \ if (__glibc_unlikely (outptr + need + 2 > outend)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ if (need) \ { \ /* But first, output the escape sequence. */ \ assert (set == JISX0208_1983_set); \ *outptr++ = ESC; \ *outptr++ = '$'; \ *outptr++ = 'B'; \ } \ *outptr++ = (lasttwo >> 8) & 0xff; \ *outptr++ = lasttwo & 0xff; \ lasttwo = 0; \ continue; \ } \ } \ \ /* First see whether we can write the character using the currently \ selected character set. */ \ if (set == ASCII_set) \ { \ /* Please note that the NUL byte is *not* matched if we are not \ currently using the ASCII charset. This is because we must \ switch to the initial state whenever a NUL byte is written. */ \ if (ch <= 0x7f) \ { \ *outptr++ = ch; \ inptr += 4; \ continue; \ } \ } \ /* ISO-2022-JP recommends to encode the newline character always in \ ASCII since this allows a context-free interpretation of the \ characters at the beginning of the next line. Otherwise it would \ have to be known whether the last line ended using ASCII or \ JIS X 0201. */ \ else if (set == JISX0201_Roman_set) \ { \ unsigned char buf[1]; \ if (ucs4_to_jisx0201 (ch, buf) != __UNKNOWN_10646_CHAR \ && buf[0] > 0x20 && buf[0] < 0x80) \ { \ *outptr++ = buf[0]; \ inptr += 4; \ continue; \ } \ } \ else if (set == JISX0201_Kana_set) \ { \ unsigned char buf[1]; \ if (ucs4_to_jisx0201 (ch, buf) != __UNKNOWN_10646_CHAR \ && buf[0] >= 0x80) \ { \ *outptr++ = buf[0] - 0x80; \ inptr += 4; \ continue; \ } \ } \ else if (/*set == JISX0208_1978_set || */ set == JISX0208_1983_set) \ { \ size_t written = ucs4_to_jisx0208 (ch, outptr, outend - outptr); \ \ if (written != __UNKNOWN_10646_CHAR) \ { \ uint32_t jch = ucs4_to_jisx0213 (ch); \ \ if (jch & 0x0080) \ { \ /* A possible match in comp_table_data. Buffer it. */ \ lasttwo = jch & 0x7f7f; \ inptr += 4; \ continue; \ } \ if (__glibc_unlikely (written == 0)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ else \ { \ outptr += written; \ inptr += 4; \ continue; \ } \ } \ } \ else \ { \ /* (set == JISX0213_1_2000_set || set == JISX0213_1_2004_set \ || set == JISX0213_2_set) */ \ uint32_t jch = ucs4_to_jisx0213 (ch); \ \ if (jch != 0 \ && (jch & 0x8000 \ ? set == JISX0213_2_set \ : (set == JISX0213_1_2004_set \ || (set == JISX0213_1_2000_set \ && !jisx0213_added_in_2004_p (jch))))) \ { \ if (jch & 0x0080) \ { \ /* A possible match in comp_table_data. Buffer it. */ \ \ /* We know it's a JISX 0213 plane 1 character. */ \ assert ((jch & 0x8000) == 0); \ \ lasttwo = jch & 0x7f7f; \ inptr += 4; \ continue; \ } \ \ if (__glibc_unlikely (outptr + 1 >= outend)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ *outptr++ = (jch >> 8) & 0x7f; \ *outptr++ = jch & 0x7f; \ inptr += 4; \ continue; \ } \ } \ \ /* The attempts to use the currently selected character set failed, \ either because the character requires a different character set, \ or because the character is unknown. */ \ \ if (ch <= 0x7f) \ { \ /* We must encode using ASCII. First write out the escape \ sequence. */ \ if (__glibc_unlikely (outptr + 3 > outend)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ \ *outptr++ = ESC; \ *outptr++ = '('; \ *outptr++ = 'B'; \ set = ASCII_set; \ \ if (__glibc_unlikely (outptr >= outend)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ *outptr++ = ch; \ } \ else \ { \ unsigned char buf[2]; \ \ /* Try JIS X 0201 Roman. */ \ if (ucs4_to_jisx0201 (ch, buf) != __UNKNOWN_10646_CHAR \ && buf[0] > 0x20 && buf[0] < 0x80) \ { \ if (set != JISX0201_Roman_set) \ { \ if (__glibc_unlikely (outptr + 3 > outend)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ *outptr++ = ESC; \ *outptr++ = '('; \ *outptr++ = 'J'; \ set = JISX0201_Roman_set; \ } \ \ if (__glibc_unlikely (outptr >= outend)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ *outptr++ = buf[0]; \ } \ else \ { \ uint32_t jch = ucs4_to_jisx0213 (ch); \ \ /* Try JIS X 0208. */ \ size_t written = ucs4_to_jisx0208 (ch, buf, 2); \ if (written != __UNKNOWN_10646_CHAR) \ { \ if (jch & 0x0080) \ { \ /* A possible match in comp_table_data. Buffer it. */ \ lasttwo = ((set != JISX0208_1983_set ? 1 : 0) << 16) \ | (jch & 0x7f7f); \ set = JISX0208_1983_set; \ inptr += 4; \ continue; \ } \ \ if (set != JISX0208_1983_set) \ { \ if (__glibc_unlikely (outptr + 3 > outend)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ *outptr++ = ESC; \ *outptr++ = '$'; \ *outptr++ = 'B'; \ set = JISX0208_1983_set; \ } \ \ if (__glibc_unlikely (outptr + 2 > outend)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ *outptr++ = buf[0]; \ *outptr++ = buf[1]; \ } \ else \ { \ /* Try JIS X 0213. */ \ if (jch != 0) \ { \ int new_set = \ (jch & 0x8000 \ ? JISX0213_2_set \ : jisx0213_added_in_2004_p (jch) \ ? JISX0213_1_2004_set \ : JISX0213_1_2000_set); \ \ if (set != new_set) \ { \ if (__glibc_unlikely (outptr + 4 > outend)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ *outptr++ = ESC; \ *outptr++ = '$'; \ *outptr++ = '('; \ *outptr++ = \ ((new_set - JISX0213_1_2000_set) >> 3) + 'O'; \ set = new_set; \ } \ \ if (jch & 0x0080) \ { \ /* A possible match in comp_table_data. \ Buffer it. */ \ \ /* We know it's a JIS X 0213 plane 1 character. */ \ assert ((jch & 0x8000) == 0); \ \ lasttwo = jch & 0x7f7f; \ inptr += 4; \ continue; \ } \ \ if (__glibc_unlikely (outptr + 1 >= outend)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ *outptr++ = (jch >> 8) & 0x7f; \ *outptr++ = jch & 0x7f; \ } \ else \ { \ /* Try JIS X 0201 Katakana. This is officially not part \ of ISO-2022-JP-3. Therefore we try it after all other \ attempts. */ \ if (ucs4_to_jisx0201 (ch, buf) != __UNKNOWN_10646_CHAR \ && buf[0] >= 0x80) \ { \ if (set != JISX0201_Kana_set) \ { \ if (__builtin_expect (outptr + 3 > outend, 0)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ *outptr++ = ESC; \ *outptr++ = '('; \ *outptr++ = 'I'; \ set = JISX0201_Kana_set; \ } \ \ if (__glibc_unlikely (outptr >= outend)) \ { \ result = __GCONV_FULL_OUTPUT; \ break; \ } \ *outptr++ = buf[0] - 0x80; \ } \ else \ { \ UNICODE_TAG_HANDLER (ch, 4); \ \ /* Illegal character. */ \ STANDARD_TO_LOOP_ERR_HANDLER (4); \ } \ } \ } \ } \ } \ \ /* Now that we wrote the output increment the input pointer. */ \ inptr += 4; \ } #define LOOP_NEED_FLAGS #define EXTRA_LOOP_DECLS , int *statep #define INIT_PARAMS int set = *statep & CURRENT_SEL_MASK; \ uint32_t lasttwo = *statep >> 6 #define REINIT_PARAMS do \ { \ set = *statep & CURRENT_SEL_MASK; \ lasttwo = *statep >> 6; \ } \ while (0) #define UPDATE_PARAMS *statep = set | (lasttwo << 6) #include /* Now define the toplevel functions. */ #include