65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
#include "stdafx.h"
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#include <direct.h>
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#include <errno.h>
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#include <io.h>
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#include "dwgcplib.h"
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#include "rxregsvc.h"
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#include "acgiutil.h"
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#include "axlock.h"
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#include "dbobjptr.h"
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#include "dbbody.h"
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#include "actrans.h"
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#include "acgs.h"
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#include "gs.h"
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// bug fixed on 2003/10/9
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#define MAXBUFSIZE 1000
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TUTIL_IMPEXP int FileCompare(const TCHAR *szFile1, const TCHAR *szFile2)
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{
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FILE *fp1=_tfopen(szFile1, _T("rb"));
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if(!fp1)
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return -2;
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FILE *fp2=_tfopen(szFile2, _T("rb"));
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if(!fp2) {
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fclose(fp1);
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return -2;
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}
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long flen1 = _filelength(_fileno(fp1));
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long flen2 = _filelength(_fileno(fp2));
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if(flen1!=flen2) {
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fclose(fp1);
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fclose(fp2);
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return (flen1>flen2? 1: -1);
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} else {
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TCHAR buf1[MAXBUFSIZE], buf2[MAXBUFSIZE];
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long blockNum=flen1/MAXBUFSIZE,
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blockLeft=flen1%MAXBUFSIZE;
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for(long j=0; j<blockNum; j++) {
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fread(buf1, 1, MAXBUFSIZE, fp1);
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fread(buf2, 1, MAXBUFSIZE, fp2);
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int nRet=memcmp(buf1, buf2, MAXBUFSIZE);
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if(nRet) {
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fclose(fp1);
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fclose(fp2);
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return nRet;
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}
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}
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if(blockLeft) {
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fread(buf1, 1, blockLeft, fp1);
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fread(buf2, 1, blockLeft, fp2);
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int nRet=memcmp(buf1, buf2, blockLeft);
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if(nRet) {
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fclose(fp1);
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fclose(fp2);
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return nRet;
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}
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}
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}
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fclose(fp1);
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fclose(fp2);
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return 0;
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}
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