libcruft-util/io_posix.hpp

63 lines
1.8 KiB
C++

/*
* This file is part of libgim.
*
* libgim 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 3 of the License, or (at your option) any later
* version.
*
* libgim 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 libgim. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2010-2014 Danny Robson <danny@nerdcruft.net>
*/
#ifndef __UTIL_IO_POSIX_HPP
#define __UTIL_IO_POSIX_HPP
#include "io.hpp"
namespace util {
namespace detail { namespace posix {
class mapped_file {
private:
fd_ref m_fd;
uint8_t *m_data;
size_t m_size;
void load_fd (access_t);
protected:
int access_to_flags (access_t);
public:
mapped_file (const boost::filesystem::path &path, access_t access = ACCESS_READ);
mapped_file (const mapped_file&) = delete;
mapped_file& operator= (const mapped_file&) = delete;
~mapped_file ();
const uint8_t* data (void) const;
uint8_t* data (void);
size_t size (void) const;
uint8_t* begin (void);
uint8_t* end (void);
const uint8_t* cbegin (void) const;
const uint8_t* cend (void) const;
};
} }
typedef detail::posix::mapped_file mapped_file;
}
#endif