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backend/src/files.cpp

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/* This file is part of FediBlock-backend.
* Copyright © 2020 tastytea <tastytea@tastytea.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, version 3.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "files.hpp"
#include "fs-compat.hpp"
#include <cstdint>
#include <cstdlib>
#include <stdexcept>
#include <string>
namespace FediBlock
{
using std::runtime_error;
using std::string;
using std::uintmax_t;
string _tmpdir;
fs::path get_tmpdir()
{
if (_tmpdir.empty())
{
_tmpdir = fs::temp_directory_path() / "fediblock-backend-XXXXXX";
if (mkdtemp(&_tmpdir[0]) == nullptr) // mkdtemp() modifies _tmpdir.
{
throw runtime_error{"Could not create temporary directory: "
+ _tmpdir};
}
}
return _tmpdir;
}
void remove_tmpdir()
{
if (fs::remove_all(get_tmpdir()) == static_cast<uintmax_t>(-1))
{
throw runtime_error{"Couldn't remove temporary directory: "
+ get_tmpdir().string()};
}
}
} // namespace FediBlock