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/*
* Copyright Andrey Semashev 2022.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file fclose_deleter.hpp
* \author Andrey Semashev
* \date 21.09.2022
*
* This header contains an \c fclose_deleter implementation. This is a deleter
* function object that invokes <tt>std::fclose</tt> on the passed pointer to
* a <tt>std::FILE</tt> structure.
*/
#ifndef BOOST_CORE_FCLOSE_DELETER_HPP
#define BOOST_CORE_FCLOSE_DELETER_HPP
#include <cstdio>
#include <boost/config.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
// Block unintended ADL
namespace fclose_deleter_ns {
//! A function object that closes a file
struct fclose_deleter
{
//! Function object result type
typedef void result_type;
/*!
* Closes the file handle
*/
void operator() (std::FILE* p) const BOOST_NOEXCEPT
{
if (BOOST_LIKELY(!!p))
std::fclose(p);
}
};
} // namespace fclose_deleter_ns
using fclose_deleter_ns::fclose_deleter;
} // namespace boost
#endif // BOOST_CORE_FCLOSE_DELETER_HPP
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