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a/src/utils/md5.cpp b/src/utils/md5.cpp
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#include "readfile.h"
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#include "readfile.h"
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class FileScanMd5 : public FileScanDo {
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class FileScanMd5 : public FileScanDo {
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public:
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public:
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    FileScanMd5(string& d) : digest(d) {}
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    FileScanMd5(string& d) : digest(d) {}
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    virtual bool init(unsigned int size, string *reason) 
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    virtual bool init(unsigned int size, string *)
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    {
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    {
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    MD5Init(&ctx);
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    MD5Init(&ctx);
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    return true;
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    return true;
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    }
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    }
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    virtual bool data(const char *buf, int cnt, string* reason) 
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    virtual bool data(const char *buf, int cnt, string*)
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    {
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    {
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    MD5Update(&ctx, (const unsigned char*)buf, cnt);
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    MD5Update(&ctx, (const unsigned char*)buf, cnt);
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    return true;
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    return true;
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    }
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    }
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    string &digest;
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    string &digest;