libcruft-util/io_posix.hpp

59 lines
1.7 KiB
C++

/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* 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 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