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;
35 : _data (new uint8_t[size])
41 Data::Data (uint8_t const * data, int size)
42 : _data (new uint8_t[size])
45 memcpy (_data.get(), data, size);
48 Data::Data (boost::filesystem::path file)
50 _size = boost::filesystem::file_size (file);
51 _data.reset (new uint8_t[_size]);
53 FILE* f = fopen_boost (file, "rb");
55 throw FileError (_("could not open file for reading"), file);
58 size_t const r = fread (_data.get(), 1, _size, f);
59 if (r != size_t (_size)) {
61 throw FileError (_("could not read from file"), file);
68 Data::write (boost::filesystem::path file) const
70 FILE* f = fopen_boost (file, "wb");
72 throw WriteFileError (file, errno);
74 size_t const r = fwrite (_data.get(), 1, _size, f);
75 if (r != size_t (_size)) {
77 throw FileError ("could not write to file", file);
83 Data::write_via_temp (boost::filesystem::path temp, boost::filesystem::path final) const
86 boost::filesystem::rename (temp, final);