/* Copyright (C) 2015 J.F.Dockes
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "autoconfig.h"
#include <stdio.h>
#include <string.h>
#include "md5ut.h"
#include "readfile.h"
using namespace std;
// Quite incredibly if this class is named FileScanMd5 like the
// different one in readfile.cpp, the vtables get mixed up and mh_xslt
// crashes while calling a virtual function (gcc 6.3 and 7.3)
class FileScanMd5loc : public FileScanDo {
public:
FileScanMd5loc(string& d) : digest(d) {}
virtual bool init(int64_t, string *)
{
MD5Init(&ctx);
return true;
}
virtual bool data(const char *buf, int cnt, string*)
{
MD5Update(&ctx, (const unsigned char*)buf, cnt);
return true;
}
string &digest;
MD5_CTX ctx;
};
bool MD5File(const string& filename, string &digest, string *reason)
{
FileScanMd5loc md5er(digest);
if (!file_scan(filename, &md5er, reason))
return false;
// We happen to know that digest and md5er.digest are the same object
MD5Final(md5er.digest, &md5er.ctx);
return true;
}