fdguard.h

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 * Copyright (C) 2012       Maxim Ignatenko
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/
 
#pragma once
 
#include "sysconfig.h"
 
namespace LC::Util
{
    class UTIL_SYS_API FDGuard
    {
        int FD_;
    public:
        FDGuard (const char *file, int mode);
        FDGuard (const FDGuard&) = delete;
        FDGuard (FDGuard&& other);
        ~FDGuard ();
 
        FDGuard& operator= (const FDGuard&) = delete;
        FDGuard& operator= (FDGuard&& other);
 
        explicit operator bool () const;
        explicit (false) operator int () const;
 
        friend void swap (FDGuard& g1, FDGuard& g2);
    };
}