83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
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/*
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* This file is part of waif.
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*
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* Waif is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* Waif is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with waif. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2010 Danny Robson <danny@blubinc.net>
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*/
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#ifndef __UTIL_IO_HPP
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#define __UTIL_IO_HPP
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#include <cstdio>
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#include <cstdint>
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#include <memory>
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#include <boost/filesystem.hpp>
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enum access_t {
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ACCESS_READ = 1 << 0,
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ACCESS_WRITE = 1 << 1,
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ACCESS_READWRITE = ACCESS_READ | ACCESS_WRITE
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};
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struct FILE_destructor {
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void operator ()(FILE *f) { fclose (f); }
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};
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typedef std::unique_ptr <FILE, FILE_destructor> FILE_ref;
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struct fd_destructor {
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void operator ()(int fd) { close (fd); }
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};
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struct fd_ref {
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public:
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int m_fd;
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fd_ref (int _fd);
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~fd_ref ();
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operator int (void) const;
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};
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class mapped_file {
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protected:
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fd_ref m_fd;
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uint8_t *m_data;
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size_t m_size;
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void load_fd (void);
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public:
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mapped_file (const char *path);
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mapped_file (const std::string &path);
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mapped_file (const boost::filesystem::path &path);
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mapped_file (const mapped_file &rhs);
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mapped_file& operator =(const mapped_file &rhs);
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~mapped_file ();
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const uint8_t* data (void) const;
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size_t size (void) const;
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};
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#endif
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