system_error.hpp

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/*
Copyright (c) 2025 acrion innovations GmbH
Authors: Stefan Zipproth, s.zipproth@acrion.ch
 
This file is part of Cbeam, see https://github.com/acrion/cbeam and https://cbeam.org
 
Cbeam is offered under a commercial and under the AGPL license.
For commercial licensing, contact us at https://acrion.ch/sales. For AGPL licensing, see below.
 
AGPL licensing:
 
Cbeam 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, either version 3 of the License, or
(at your option) any later version.
 
Cbeam 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 Cbeam. If not, see <https://www.gnu.org/licenses/>.
*/
 
#pragma once
 
#ifdef _WIN32
    #include <cbeam/platform/windows_config.hpp>
#else
    #include <cerrno>
#endif
 
#include <cbeam/error/base_error.hpp>
 
#include <string>       // for std::string
#include <system_error> // for std::system_error
 
namespace cbeam::error
{
    class system_error
        : public virtual base_error
        , public virtual std::system_error
    {
    public:
#ifdef _WIN32
        explicit system_error(const std::string& message = "")
            : std::system_error(::GetLastError(), std::system_category(), message)
        {
        }
#else
        explicit system_error(const std::string& message = "")
            : std::system_error(errno, std::generic_category(), message)
        {
        }
#endif

        ~system_error() override = default;

        const char* what() const noexcept override
        {
            return std::system_error::what();
        }
    };
}