149 lines
3.5 KiB
C
149 lines
3.5 KiB
C
/*
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* Copyright (c) 1991-1994 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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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include "sj_struct.h"
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#include "dicttool.h"
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extern OffsetRec* ofsrec[];
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extern int ofsrec_num;
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static OffsetRec*
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makeoffset(unsigned char* ptr, int len, int ofs) {
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OffsetRec* orec;
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unsigned char* p;
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orec = (OffsetRec*)Malloc(sizeof(OffsetRec));
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p = (unsigned char*)Malloc(len);
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memcpy(p, ptr, len);
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orec->kptr = p;
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orec->klen = len;
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if(ofs)
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orec->offset = ofs;
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else
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orec->offset = ofsrec_num + 1;
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return orec;
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}
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void set_ofsrec(unsigned char* ptr, int len, int ofs) {
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OffsetRec* orec;
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int low, high, mid;
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int i;
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if(ofsrec_num <= 0) {
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orec = makeoffset(ptr, len, ofs);
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ofsrec[0] = orec;
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ofsrec_num++;
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return;
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}
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low = 0;
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high = ofsrec_num - 1;
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while(low <= high) {
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mid = (low + high) / 2;
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i = string_cmp(ofsrec[mid]->kptr, ofsrec[mid]->klen, ptr, len);
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if(i > 0)
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high = mid - 1;
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else if(i < 0)
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low = ++mid;
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else
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break;
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}
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if(i) {
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if(ofsrec_num >= MaxOffsetNumber) {
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fprintf(stderr, "\245\252\245\325\245\273\245\303\245\310\241\246\245\306\241\274\245\326\245\353\244\254\244\242\244\325\244\354\244\336\244\267\244\277\n");
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exit(1);
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}
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orec = makeoffset(ptr, len, ofs);
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for(i = ofsrec_num; i > mid; i--) ofsrec[i] = ofsrec[i - 1];
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ofsrec[mid] = orec;
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ofsrec_num++;
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}
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}
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int isknjexist(unsigned char* knj, int len) {
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int low, high, mid;
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int i;
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if(ofsrec_num <= 0) return 0;
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low = 0;
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high = ofsrec_num - 1;
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while(low <= high) {
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mid = (low + high) / 2;
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i = string_cmp(ofsrec[mid]->kptr, ofsrec[mid]->klen, knj, len);
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if(i > 0)
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high = mid - 1;
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else if(i < 0)
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low = ++mid;
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else
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return ofsrec[mid]->offset;
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}
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return 0;
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}
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void clear_ofsrec(void) {
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int i;
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for(i = 0; i < ofsrec_num; i++) {
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Free(ofsrec[i]->kptr);
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Free(ofsrec[i]);
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}
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ofsrec_num = 0;
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}
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OffsetRec*
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real_ofsrec(unsigned char* ptr) {
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int ofs;
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int i;
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OffsetRec** p;
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ofs = (*ptr++ & KnjAsshukuMask);
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ofs <<= 8;
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ofs += *ptr;
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for(i = ofsrec_num, p = ofsrec; i-- > 0; p++)
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if((*p)->offset == ofs)
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return *p;
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fprintf(stderr, "real_ofsrec() \244\307\260\333\276\357\244\312\276\365\302\326 %x\n", ofs);
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exit(1);
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}
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