VError8.h

// Header for error type
 
/*
 
    This file is part of VIPS.
 
    VIPS is free software; you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
    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 Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301  USA
 
 */
 
/*
 
    These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
 
 */
 
#ifndef VIPS_VERROR_H
#define VIPS_VERROR_H
 
#include <cstring>
#include <ostream>
#include <stdexcept>
 
#include <vips/vips.h>
 
VIPS_NAMESPACE_START
 
class VIPS_CPLUSPLUS_API VError : public std::runtime_error {
public:
    using std::runtime_error::runtime_error;
 
    VError() : std::runtime_error(vips_error_buffer()) {}
 
    const char *
    what() const noexcept override
    {
        return std::runtime_error::what();
    }
 
    void ostream_print(std::ostream &) const;
 
private:
    // TODO: Migrate to [[maybe_unused]] once we require C++17.
    char _abi_padding[sizeof(std::exception) + sizeof(std::string) -
        sizeof(std::runtime_error)] G_GNUC_UNUSED = {};
};
 
VIPS_NAMESPACE_END
 
#endif /*VIPS_VERROR_H*/