56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
/* Copyright (C) 2015 J.F.Dockes
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "autoconfig.h"
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#include <stdio.h>
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#include <string.h>
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#include "md5ut.h"
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#include "readfile.h"
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using namespace std;
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// Quite incredibly if this class is named FileScanMd5 like the
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// different one in readfile.cpp, the vtables get mixed up and mh_xslt
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// crashes while calling a virtual function (gcc 6.3 and 7.3)
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class FileScanMd5loc : public FileScanDo {
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public:
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FileScanMd5loc(string& d) : digest(d) {}
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virtual bool init(int64_t, string *)
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{
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MD5Init(&ctx);
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return true;
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}
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virtual bool data(const char *buf, int cnt, string*)
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{
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MD5Update(&ctx, (const unsigned char*)buf, cnt);
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return true;
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}
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string &digest;
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MD5_CTX ctx;
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};
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bool MD5File(const string& filename, string &digest, string *reason)
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{
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FileScanMd5loc md5er(digest);
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if (!file_scan(filename, &md5er, reason))
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return false;
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// We happen to know that digest and md5er.digest are the same object
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MD5Final(md5er.digest, &md5er.ctx);
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return true;
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}
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