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Diffstat (limited to 'REORG.TODO/iconvdata/ibm932.c')
| -rw-r--r-- | REORG.TODO/iconvdata/ibm932.c | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/REORG.TODO/iconvdata/ibm932.c b/REORG.TODO/iconvdata/ibm932.c new file mode 100644 index 0000000000..11af4521a9 --- /dev/null +++ b/REORG.TODO/iconvdata/ibm932.c @@ -0,0 +1,214 @@ +/* Conversion from and to IBM932. + Copyright (C) 2000-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Masahide Washizawa <washi@jp.ibm.com>, 2000. + + 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 + <http://www.gnu.org/licenses/>. */ + +#include <dlfcn.h> +#include <stdint.h> +#include <stdbool.h> +#include "ibm932.h" + +#define FROM 0 +#define TO 1 + +/* Definitions used in the body of the `gconv' function. */ +#define CHARSET_NAME "IBM932//" +#define FROM_LOOP from_ibm932 +#define TO_LOOP to_ibm932 +#define ONE_DIRECTION 0 + +/* Definitions of initialization and destructor function. */ +#define DEFINE_INIT 1 +#define DEFINE_FINI 1 + +#define MIN_NEEDED_FROM 1 +#define MAX_NEEDED_FROM 2 +#define MIN_NEEDED_TO 4 + +/* First, define the conversion function from IBM-932 to UCS4. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_FROM +#define MAX_NEEDED_INPUT MAX_NEEDED_FROM +#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO +#define LOOPFCT FROM_LOOP +#define BODY \ + { \ + const struct gap *rp2 = __ibm932db_to_ucs4_idx; \ + uint32_t ch = *inptr; \ + uint32_t res; \ + \ + if (__builtin_expect (ch == 0x80, 0) \ + || __builtin_expect (ch == 0xa0, 0) \ + || __builtin_expect (ch == 0xfd, 0) \ + || __builtin_expect (ch == 0xfe, 0) \ + || __builtin_expect (ch == 0xff, 0)) \ + { \ + /* This is an illegal character. */ \ + STANDARD_FROM_LOOP_ERR_HANDLER (1); \ + } \ + \ + /* Use the IBM932 table for single byte. */ \ + res = __ibm932sb_to_ucs4[ch]; \ + if (__builtin_expect (res == 0, 0) && ch != 0) \ + { \ + /* Use the IBM932 table for double byte. */ \ + if (__glibc_unlikely (inptr + 1 >= inend)) \ + { \ + /* The second character is not available. \ + Store the intermediate result. */ \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + \ + ch = (ch * 0x100) + inptr[1]; \ + /* ch was less than 0xfd. */ \ + assert (ch < 0xfd00); \ + while (ch > rp2->end) \ + ++rp2; \ + \ + if (__builtin_expect (ch < rp2->start, 0) \ + || (res = __ibm932db_to_ucs4[ch + rp2->idx], \ + __builtin_expect (res, '\1') == 0 && ch !=0)) \ + { \ + /* This is an illegal character. */ \ + STANDARD_FROM_LOOP_ERR_HANDLER (2); \ + } \ + else \ + { \ + put32 (outptr, res); \ + outptr += 4; \ + inptr += 2; \ + } \ + } \ + else \ + { \ + if (res == 0xa5) \ + res = 0x5c; \ + else if (res == 0x203e) \ + res = 0x7e; \ + put32 (outptr, res); \ + outptr += 4; \ + inptr++; \ + } \ + } +#define LOOP_NEED_FLAGS +#define ONEBYTE_BODY \ + { \ + if (c == 0x80 || c == 0xa0 || c >= 0xfd) \ + return WEOF; \ + uint32_t res = __ibm932sb_to_ucs4[c]; \ + if (res == 0 && c != 0) \ + return WEOF; \ + if (res == 0xa5) \ + res = 0x5c; \ + else if (res == 0x203e) \ + res = 0x7e; \ + return res; \ + } +#include <iconv/loop.c> + +/* Next, define the other direction. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_TO +#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM +#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM +#define LOOPFCT TO_LOOP +#define BODY \ + { \ + const struct gap *rp = __ucs4_to_ibm932sb_idx; \ + unsigned char sc; \ + uint32_t ch = get32 (inptr); \ + bool found = true; \ + uint32_t i; \ + uint32_t low; \ + uint32_t high; \ + uint16_t pccode; \ + \ + if (__glibc_unlikely (ch >= 0xffff)) \ + { \ + UNICODE_TAG_HANDLER (ch, 4); \ + rp = NULL; \ + } \ + else \ + while (ch > rp->end) \ + ++rp; \ + \ + /* Use the UCS4 table for single byte. */ \ + if (__builtin_expect (rp == NULL, 0) \ + || __builtin_expect (ch < rp->start, 0) \ + || (sc = __ucs4_to_ibm932sb[ch + rp->idx], \ + __builtin_expect (sc, '\1') == '\0' && ch != L'\0')) \ + { \ + \ + /* Use the UCS4 table for double byte. */ \ + found = false; \ + low = 0; \ + high = (sizeof (__ucs4_to_ibm932db) >> 1) \ + / sizeof (__ucs4_to_ibm932db[0][FROM]); \ + pccode = ch; \ + if (__glibc_likely (rp != NULL)) \ + while (low < high) \ + { \ + i = (low + high) >> 1; \ + if (pccode < __ucs4_to_ibm932db[i][FROM]) \ + high = i; \ + else if (pccode > __ucs4_to_ibm932db[i][FROM]) \ + low = i + 1; \ + else \ + { \ + pccode = __ucs4_to_ibm932db[i][TO]; \ + found = true; \ + break; \ + } \ + } \ + if (found) \ + { \ + if (__glibc_unlikely (outptr + 2 > outend)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = pccode >> 8 & 0xff; \ + *outptr++ = pccode & 0xff; \ + } \ + else \ + { \ + /* This is an illegal character. */ \ + STANDARD_TO_LOOP_ERR_HANDLER (4); \ + } \ + } \ + else \ + { \ + if (__glibc_unlikely (outptr + 1 > outend)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + if (ch == 0x5c) \ + *outptr++ = 0x5c; \ + else if (ch == 0x7e) \ + *outptr++ = 0x7e; \ + else \ + *outptr++ = sc; \ + } \ + \ + /* Now that we wrote the output increment the input pointer. */ \ + inptr += 4; \ + } +#define LOOP_NEED_FLAGS +#include <iconv/loop.c> + +/* Now define the toplevel functions. */ +#include <iconv/skeleton.c> |