Build sj3lib
Signed-off-by: Masanori Ogino <mogino@acm.org>
This commit is contained in:
Masanori Ogino
parent
95ffd1f87f
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856cdc1df3
7 changed files with 56 additions and 25 deletions
389
sj3lib/string.c
389
sj3lib/string.c
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/*
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* Copyright (c) 1994 Sony Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL SONY CORPORATION BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of Sony Corporation
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* shall not be used in advertising or otherwise to promote the sale, use
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* or other dealings in this Software without prior written authorization
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* from Sony Corporation.
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*
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*/
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/*
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* $SonyRCSfile: string.c,v $
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* $SonyRevision: 1.1 $
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* $SonyDate: 1994/06/03 08:03:58 $
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*/
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#include "sj_sysvdef.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <locale.h>
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#include "sj_euc.h"
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#if defined(__sony_news) && defined(SVR4)
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#include <sonyils.h>
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#endif
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#include <ctype.h>
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#ifndef TRUE
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#define TRUE (1)
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#define FALSE (0)
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#endif
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#ifndef __sony_news
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#define sjis2euc sj3_sjis2euc
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#define euc2sjis sj3_euc2sjis
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#define issjis1(c) (((0x81 <= (c)) && ((c) <= 0x9f)) || \
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((0xe0 <= (c)) && ((c) <= 0xfc)))
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#define iseuc(c) ((0xa1 <= (c)) && ((c) <= 0xfe))
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#define iskana(c) ((0xa1 <= (c)) && ((c) <= 0xdf))
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unsigned short sjis2euc(), euc2sjis();
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#endif
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void sj_sjis2jis(), sj_jis2sjis();
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int
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sj3_str_sjistoeuc(out, outlen, in, sjis_default, useflag)
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unsigned char *out, *in, *sjis_default;
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int outlen, *useflag;
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{
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unsigned char *sjis = in, *euc = out;
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int n = 0;
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unsigned short code, default_code;
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euc[0] = '\0';
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*useflag = 0;
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if (!sjis) return 0;
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while (*sjis && n < outlen) {
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if (issjis1(*sjis)) {
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code = sjis2euc( (*sjis << 8) | *(sjis+1) );
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if (n + 2 > outlen) return -1;
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if (code == 0) {
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default_code = sjis2euc((sjis_default[0] << 8)
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| sjis_default[1]);
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euc[n++] = default_code >> 8;
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euc[n++] = default_code & 0xff;
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(*useflag)++;
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} else {
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euc[n++] = code >> 8;
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euc[n++] = code & 0xff;
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}
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sjis += 2;
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} else {
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if( *sjis >= 0xa1 && *sjis <= 0xdf ) {
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if (n + 2 > outlen) return -1;
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euc[n++] = SS2;
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}
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euc[n++] = *sjis;
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sjis++;
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}
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}
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if (n > outlen) return -1;
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euc[n] = '\0';
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return n;
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}
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int
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sj3_str_euctosjis(out, outlen, in, sjis_default, useflag)
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unsigned char *out, *in, *sjis_default;
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int outlen, *useflag;
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{
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unsigned char *euc = in, *sjis = out;
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int n = 0;
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unsigned short code, default_code;
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sjis[0] = '\0';
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*useflag = 0;
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if (!euc) return 0;
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while (*euc && n < outlen) {
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if (iseuc(*euc)) {
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code = euc2sjis( (*euc << 8) | *(euc+1) );
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if (n + 2 > outlen) return -1;
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if (code == 0) {
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sjis[n++] = sjis_default[0];
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sjis[n++] = sjis_default[1];
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(*useflag)++;
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} else {
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sjis[n++] = code >> 8;
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sjis[n++] = code & 0xff;
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}
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euc += 2;
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} else if (*euc == SS3) {
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if (n + 2 > outlen) return -1;
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sjis[n++] = sjis_default[0];
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sjis[n++] = sjis_default[1];
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euc += 3;
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(*useflag)++;
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} else if (*euc == SS2) {
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sjis[n++] = *(euc + 1);
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euc += 2;
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} else {
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sjis[n++] = *euc;
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euc++;
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}
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}
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if (n > outlen) return -1;
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sjis[n] = '\0';
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return n;
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}
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int
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sj3_sjistoeuclen(str, max)
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unsigned char *str;
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int max;
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{
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register int len = 0, bytes = 1;
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if (!max) return 0;
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while ((bytes <= max) && *str) {
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if (issjis1(*str)) {
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str++;
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bytes++;
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if (!*str) break;
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len += 2;
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} else if (*str & 0x80) {
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len += 2;
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} else {
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len++;
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}
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str++;
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bytes++;
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}
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return len;
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}
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#define MASK 0x7f
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#define MSB 0x80
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#if !defined(__sony_news) || (defined(__sony_news) && !defined(SVR4))
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static unsigned char def_char[] = {0x81, 0x40};
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int
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sj3_sjistoeuc(e, elen, s, slen)
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unsigned char *s, *e;
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int slen, elen;
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{
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int dummy;
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return sj3_str_sjistoeuc(e, elen, s, def_char, &dummy);
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}
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int
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sj3_euctosjis(s, slen, e, elen)
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unsigned char *s, *e;
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int slen, elen;
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{
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int dummy;
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return sj3_str_euctosjis(s, slen, e, def_char, &dummy);
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}
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void
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sj_euc2sjis (s)
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unsigned char *s;
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{
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s[0] &= MASK;
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s[1] &= MASK;
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sj_jis2sjis (s);
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}
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void
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sj_jis2sjis (s)
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unsigned char *s;
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{
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register int high, low;
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register int nh, nl;
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high = s[0];
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low = s[1];
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nh = ((high - 0x21) >> 1) + 0x81;
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if (nh > 0x9f)
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nh += 0x40;
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if (high & 1) {
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nl = low + 0x1f;
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if (low > 0x5f)
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nl ++;
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}
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else
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nl = low + 0x7e;
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s[0] = nh;
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s[1] = nl;
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}
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void
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sj_sjis2euc (s)
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unsigned char *s;
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{
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sj_sjis2jis (s);
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s[0] |= MSB;
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s[1] |= MSB;
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}
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void
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sj_sjis2jis (s)
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unsigned char *s;
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{
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register int byte1, byte2;
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register unsigned char *sp;
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sp = s;
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byte1 = *sp++;
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byte2 = *sp--;
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if (byte1 <= 0x80 || byte1 >= 0xf0
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|| ( byte1>=0xa0 && byte1<=0xdf )
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|| byte2 <= 0x3f || byte2 >= 0xfe || byte2==0x7f ) {
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byte1 = 0x81;
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byte2 = 0x40;
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}
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byte1 -= (byte1 >= 0xa0) ? 0xc1 : 0x81;
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if (byte2 >= 0x9f) {
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*sp++ = (byte1 << 1) + 0x22;
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*sp = byte2 - 0x7e;
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}
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else {
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*sp++ = (byte1 << 1) + 0x21;
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*sp = byte2 - ((byte2 <= 0x7e) ? 0x1f : 0x20 );
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}
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}
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unsigned short
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sj3_jis2sjis(code)
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unsigned short code;
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{
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unsigned char tmp[3];
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tmp[0] = (code >> 8) & 0xff;
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tmp[1] = code & 0xff;
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tmp[2] = '\0';
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sj_jis2sjis((unsigned char *) tmp);
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code = (tmp[0] << 8) + tmp[1];
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return(code);
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}
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unsigned short
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sj3_jis2euc(code)
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unsigned short code;
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{
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unsigned char tmp[3];
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tmp[0] = (code >> 8) & 0xff;
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tmp[1] = code & 0xff;
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tmp[2] = '\0';
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code = ((tmp[0] | 0x80) << 8) + (tmp[1] | 0x80);
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return(code);
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}
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unsigned short
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sj3_sjis2jis(code)
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unsigned short code;
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{
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unsigned char tmp[3];
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tmp[0] = (code >> 8) & 0xff;
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tmp[1] = code & 0xff;
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tmp[2] = '\0';
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sj_sjis2jis((unsigned char *) tmp);
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code = (tmp[0] << 8) + tmp[1];
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return(code);
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}
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unsigned short
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sj3_euc2sjis(code)
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unsigned short code;
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{
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unsigned char tmp[3];
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tmp[0] = (code >> 8) & 0xff;
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tmp[1] = code & 0xff;
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tmp[2] = '\0';
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sj_euc2sjis((unsigned char *) tmp);
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code = (tmp[0] << 8) + tmp[1];
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return(code);
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}
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unsigned short
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sj3_sjis2euc(code)
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unsigned short code;
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{
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unsigned char tmp[3];
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tmp[0] = (code >> 8) & 0xff;
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tmp[1] = code & 0xff;
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tmp[2] = '\0';
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sj_sjis2euc((unsigned char *) tmp);
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code = (tmp[0] << 8) + tmp[1];
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return(code);
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}
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#else
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#ifndef SVR4
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static unsigned char def_char[] = {0x81, 0x40};
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int
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sj3_sjistoeuc(e, elen, s, slen)
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unsigned char *s, *e;
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int slen, elen;
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{
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int dummy;
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return sj3_str_sjistoeuc(e, elen, s, def_char, &dummy);
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}
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int
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sj3_euctosjis(s, slen, e, elen)
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unsigned char *s, *e;
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int slen, elen;
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{
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int dummy;
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return sj3_str_euctosjis(s, slen, e, def_char, &dummy);
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}
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#endif
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#endif
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