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/*
Copyright (C) 2007-2015 David Bateman
This file is part of Octave.
Octave 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 3 of the License, or (at your
option) any later version.
Octave 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 Octave; see the file COPYING. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <cstdio>
#include <string>
#include <vector>
#include "lo-error.h"
#include "oct-md5.h"
#include "md5.h"
static std::string
oct_md5_result_to_str (const unsigned char *buf)
{
char tmp[33];
sprintf (tmp,
"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7],
buf[8], buf[9], buf[10], buf[11], buf[12], buf[13], buf[14],
buf[15]);
return std::string (tmp, 32);
}
std::string
oct_md5 (const std::string str)
{
unsigned char buf[16];
md5_buffer (str.data (), str.length (), buf);
return oct_md5_result_to_str (buf);
}
std::string
oct_md5_file (const std::string file)
{
std::string retval;
FILE *ifile = gnulib::fopen (file.c_str (), "rb");
if (ifile)
{
unsigned char buf[16];
int errflag = md5_stream (ifile, buf);
gnulib::fclose (ifile);
if (! errflag)
retval = oct_md5_result_to_str (buf);
else
(*current_liboctave_error_handler) ("internal error in md5_stream");
}
else
(*current_liboctave_error_handler) ("unable to open file '%s' for reading",
file.c_str ());
return retval;
}
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