/*
 * This file is part of the GROMACS molecular simulation package.
 *
 * Copyright (c) 2018, by the GROMACS development team, led by
 * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
 * and including many others, as listed in the AUTHORS file in the
 * top-level source directory and at http://www.gromacs.org.
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/*! \file
 * \brief Declares guard pointer for RAII-style handling of cstdio
 * FILE pointers.
 *
 * \author Mark Abraham <mark.j.abraham@gmail.com>
 * \inpublicapi
 * \ingroup module_utility
 */
#ifndef GMX_UTILITY_FILEPTR_H
#define GMX_UTILITY_FILEPTR_H

#include <cstdio>

#include "gromacs/utility/unique_cptr.h"

namespace gmx
{

//! fclose wrapper to be used as unique_ptr deleter
inline void fclose_wrapper(FILE *fp)
{
    fclose(fp); // NOLINT(cppcoreguidelines-owning-memory)
}

//! Simple guard pointer which calls fclose. See unique_cptr for details.
using FilePtr = std::unique_ptr < FILE, functor_wrapper < FILE, fclose_wrapper>>;

} // namespace gmx

#endif
