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Diffstat (limited to 'iconvdata/iso-2022-kr.c')
| -rw-r--r-- | iconvdata/iso-2022-kr.c | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/iconvdata/iso-2022-kr.c b/iconvdata/iso-2022-kr.c deleted file mode 100644 index 1d393d747d..0000000000 --- a/iconvdata/iso-2022-kr.c +++ /dev/null @@ -1,270 +0,0 @@ -/* Conversion module for ISO-2022-KR. - Copyright (C) 1998-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. - - 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 <gconv.h> -#include <stdint.h> -#include <string.h> -#include "ksc5601.h" - -#include <assert.h> - -/* This makes obvious what everybody knows: 0x1b is the Esc character. */ -#define ESC 0x1b - -/* The shift sequences for this charset (it does not use ESC). */ -#define SI 0x0f -#define SO 0x0e - -/* Definitions used in the body of the `gconv' function. */ -#define CHARSET_NAME "ISO-2022-KR//" -#define DEFINE_INIT 1 -#define DEFINE_FINI 1 -#define FROM_LOOP from_iso2022kr_loop -#define TO_LOOP to_iso2022kr_loop -#define MIN_NEEDED_FROM 1 -#define MAX_NEEDED_FROM 4 -#define MIN_NEEDED_TO 4 -#define MAX_NEEDED_TO 4 -#define ONE_DIRECTION 0 -#define PREPARE_LOOP \ - int save_set; \ - int *setp = &data->__statep->__count; \ - if (!FROM_DIRECTION && !data->__internal_use \ - && data->__invocation_counter == 0) \ - { \ - /* Emit the designator sequence. */ \ - if (outbuf + 4 > outend) \ - return __GCONV_FULL_OUTPUT; \ - \ - *outbuf++ = ESC; \ - *outbuf++ = '$'; \ - *outbuf++ = ')'; \ - *outbuf++ = 'C'; \ - } -#define EXTRA_LOOP_ARGS , setp - - -/* The COUNT element of the state keeps track of the currently selected - character set. The possible values are: */ -enum -{ - ASCII_set = 0, - KSC5601_set = 8 -}; - - -/* 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 != 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 emit `SI'. */ \ - if (__glibc_unlikely (outbuf == outend)) \ - /* We don't have enough room in the output buffer. */ \ - status = __GCONV_FULL_OUTPUT; \ - else \ - { \ - /* Write out the shift sequence. */ \ - *outbuf++ = SI; \ - 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) \ - save_set = *setp; \ - else \ - *setp = save_set - - -/* First define the conversion function from ISO-2022-KR 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 \ - { \ - uint32_t ch = *inptr; \ - \ - /* This is a 7bit character set, disallow all 8bit characters. */ \ - if (__glibc_unlikely (ch > 0x7f)) \ - STANDARD_FROM_LOOP_ERR_HANDLER (1); \ - \ - /* Recognize escape sequences. */ \ - if (__builtin_expect (ch, 0) == ESC) \ - { \ - /* We don't really have to handle escape sequences since all the \ - switching is done using the SI and SO bytes. But we have to \ - recognize `Esc $ ) C' since this is a kind of flag for this \ - encoding. We simply ignore it. */ \ - if (__builtin_expect (inptr + 2 > inend, 0) \ - || (inptr[1] == '$' \ - && (__builtin_expect (inptr + 3 > inend, 0) \ - || (inptr[2] == ')' \ - && __builtin_expect (inptr + 4 > inend, 0))))) \ - { \ - result = __GCONV_INCOMPLETE_INPUT; \ - break; \ - } \ - if (inptr[1] == '$' && inptr[2] == ')' && inptr[3] == 'C') \ - { \ - /* Yeah, yeah, we know this is ISO 2022-KR. */ \ - inptr += 4; \ - continue; \ - } \ - } \ - else if (__builtin_expect (ch, 0) == SO) \ - { \ - /* Switch to use KSC. */ \ - ++inptr; \ - set = KSC5601_set; \ - continue; \ - } \ - else if (__builtin_expect (ch, 0) == SI) \ - { \ - /* Switch to use ASCII. */ \ - ++inptr; \ - set = ASCII_set; \ - continue; \ - } \ - \ - if (set == ASCII_set) \ - { \ - /* Almost done, just advance the input pointer. */ \ - ++inptr; \ - } \ - else \ - { \ - assert (set == KSC5601_set); \ - \ - /* Use the KSC 5601 table. */ \ - ch = ksc5601_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); \ - } \ - } \ - \ - put32 (outptr, ch); \ - outptr += 4; \ - } -#define LOOP_NEED_FLAGS -#define EXTRA_LOOP_DECLS , int *setp -#define INIT_PARAMS int set = *setp -#define UPDATE_PARAMS *setp = set -#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 \ - { \ - uint32_t ch = get32 (inptr); \ - \ - /* First see whether we can write the character using the currently \ - selected character set. */ \ - if (ch < 0x80) \ - { \ - if (set != ASCII_set) \ - { \ - *outptr++ = SI; \ - set = ASCII_set; \ - if (__glibc_unlikely (outptr == outend)) \ - { \ - result = __GCONV_FULL_OUTPUT; \ - break; \ - } \ - } \ - \ - *outptr++ = ch; \ - } \ - else \ - { \ - unsigned char buf[2]; \ - /* Fake initialization to keep gcc quiet. */ \ - asm ("" : "=m" (buf)); \ - \ - size_t written = ucs4_to_ksc5601 (ch, buf, 2); \ - if (__builtin_expect (written, 0) == __UNKNOWN_10646_CHAR) \ - { \ - UNICODE_TAG_HANDLER (ch, 4); \ - \ - /* Illegal character. */ \ - STANDARD_TO_LOOP_ERR_HANDLER (4); \ - } \ - else \ - { \ - assert (written == 2); \ - \ - /* We use KSC 5601. */ \ - if (set != KSC5601_set) \ - { \ - *outptr++ = SO; \ - set = KSC5601_set; \ - } \ - \ - if (__glibc_unlikely (outptr + 2 > outend)) \ - { \ - result = __GCONV_FULL_OUTPUT; \ - break; \ - } \ - \ - *outptr++ = buf[0]; \ - *outptr++ = buf[1]; \ - } \ - } \ - \ - /* Now that we wrote the output increment the input pointer. */ \ - inptr += 4; \ - } -#define LOOP_NEED_FLAGS -#define EXTRA_LOOP_DECLS , int *setp -#define INIT_PARAMS int set = *setp -#define REINIT_PARAMS set = *setp -#define UPDATE_PARAMS *setp = set -#include <iconv/loop.c> - - -/* Now define the toplevel functions. */ -#include <iconv/skeleton.c> |