1// SuperTux
2// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
3//
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 3 of the License, or
7// (at your option) any later version.
8//
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.
13//
14// You should have received a copy of the GNU General Public License
15// along with this program. If not, see <http://www.gnu.org/licenses/>.
16
17#include "physfs/ofile_streambuf.hpp"
18
19#include <physfs.h>
20#include <sstream>
21#include <stdexcept>
22
23OFileStreambuf::OFileStreambuf(const std::string& filename) :
24 file()
25{
26 file = PHYSFS_openWrite(filename.c_str());
27 if (file == nullptr) {
28 std::stringstream msg;
29 msg << "Couldn't open file '" << filename << "': "
30 << PHYSFS_getLastErrorCode();
31 throw std::runtime_error(msg.str());
32 }
33
34 setp(buf, buf+sizeof(buf));
35}
36
37OFileStreambuf::~OFileStreambuf()
38{
39 sync();
40 PHYSFS_close(file);
41}
42
43int
44OFileStreambuf::overflow(int c)
45{
46 char c2 = static_cast<char>(c);
47
48 if (pbase() == pptr())
49 return 0;
50
51 size_t size = pptr() - pbase();
52 PHYSFS_sint64 res = PHYSFS_writeBytes(file, pbase(), size);
53 if (res <= 0)
54 return traits_type::eof();
55
56 if (c != traits_type::eof()) {
57 PHYSFS_sint64 res_ = PHYSFS_writeBytes(file, &c2, 1);
58 if (res_ <= 0)
59 return traits_type::eof();
60 }
61
62 setp(buf, buf + res);
63 return 0;
64}
65
66int
67OFileStreambuf::sync()
68{
69 return overflow(traits_type::eof());
70}
71
72/* EOF */
73