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/************************************************************************
*
* Copyright (C) 2009-2023 IRCAD France
* Copyright (C) 2012-2020 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#include "file.hpp"
#include <filesystem>
#include <fstream>
namespace sight::utest_data
{
//------------------------------------------------------------------------------
bool file::content_equals(const std::filesystem::path& _l_file, const std::filesystem::path& _r_file)
{
const std::streambuf::int_type eof = std::streambuf::traits_type::eof();
std::ifstream l_stream(_l_file.c_str());
std::ifstream r_stream(_r_file.c_str());
std::streambuf* l_buf = l_stream.rdbuf();
std::streambuf* r_buf = r_stream.rdbuf();
while(true)
{
const char l_char = static_cast<char>(l_buf->sbumpc());
const char r_char = static_cast<char>(r_buf->sbumpc());
if(l_char == eof && r_char == eof)
{
return true;
}
if(l_char != r_char || l_char == eof || r_char == eof)
{
break;
}
}
return false;
}
} //namespace sight::utest_data
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