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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU 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.
*/
/** \file
* \ingroup GHOST
*/
#pragma once
#include <functional>
/**
* RAII wrapper for typical C `void *` custom data.
* Used for exception safe custom-data handling during constructor calls.
*/
struct GHOST_C_CustomDataWrapper {
using FreeFn = std::function<void(void *)>;
void *custom_data_;
FreeFn free_fn_;
GHOST_C_CustomDataWrapper(void *custom_data, FreeFn free_fn)
: custom_data_(custom_data), free_fn_(free_fn)
{
}
~GHOST_C_CustomDataWrapper()
{
if (free_fn_ != nullptr && custom_data_ != nullptr) {
free_fn_(custom_data_);
}
}
};
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