2 Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "exceptions.h"
26 using boost::shared_array;
36 : _data (new uint8_t[size])
42 Data::Data (uint8_t const * data, int size)
43 : _data (new uint8_t[size])
46 memcpy (_data.get(), data, size);
49 Data::Data (shared_array<uint8_t> data, int size)
56 Data::Data (boost::filesystem::path file)
58 _size = boost::filesystem::file_size (file);
59 _data.reset (new uint8_t[_size]);
61 FILE* f = fopen_boost (file, "rb");
63 throw FileError ("could not open file for reading", file, errno);
66 size_t const r = fread (_data.get(), 1, _size, f);
67 if (r != size_t (_size)) {
69 throw FileError ("could not read from file", file, errno);
76 Data::write (boost::filesystem::path file) const
78 FILE* f = fopen_boost (file, "wb");
80 throw FileError ("could not write to file", file, errno);
82 size_t const r = fwrite (_data.get(), 1, _size, f);
83 if (r != size_t (_size)) {
85 throw FileError ("could not write to file", file, errno);
91 Data::write_via_temp (boost::filesystem::path temp, boost::filesystem::path final) const
94 boost::filesystem::rename (temp, final);