-/*
-Copyright (C) 2005 Matthias Braun <matze@braunis.de>
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-*/
-#include <config.h>
+// SuperTux
+// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+#include "physfs/physfs_stream.hpp"
-#include "physfs_stream.h"
+#include <config.h>
#include <assert.h>
-#include <physfs.h>
-#include <stdexcept>
#include <sstream>
+#include <stdexcept>
IFileStreambuf::IFileStreambuf(const std::string& filename)
{
- file = PHYSFS_openRead(filename.c_str());
- if(file == 0) {
- std::stringstream msg;
- msg << "Couldn't open file '" << filename << "': "
- << PHYSFS_getLastError();
- throw std::runtime_error(msg.str());
- }
+ // check this as PHYSFS seems to be buggy and still returns a
+ // valid pointer in this case
+ if(filename == "") {
+ throw std::runtime_error("Couldn't open file: empty filename");
+ }
+ file = PHYSFS_openRead(filename.c_str());
+ if(file == 0) {
+ std::stringstream msg;
+ msg << "Couldn't open file '" << filename << "': "
+ << PHYSFS_getLastError();
+ throw std::runtime_error(msg.str());
+ }
}
IFileStreambuf::~IFileStreambuf()
{
- PHYSFS_close(file);
+ PHYSFS_close(file);
}
int
IFileStreambuf::underflow()
{
- if(PHYSFS_eof(file)) {
- return traits_type::eof();
- }
-
- PHYSFS_sint64 bytesread = (size_t) PHYSFS_read(file, buf, 1, sizeof(buf));
- if(bytesread <= 0) {
- return traits_type::eof();
- }
- setg(buf, buf, buf + bytesread);
-
- return buf[0];
+ if(PHYSFS_eof(file)) {
+ return traits_type::eof();
+ }
+
+ PHYSFS_sint64 bytesread = PHYSFS_read(file, buf, 1, sizeof(buf));
+ if(bytesread <= 0) {
+ return traits_type::eof();
+ }
+ setg(buf, buf, buf + bytesread);
+
+ return buf[0];
}
IFileStreambuf::pos_type
{
off_type pos = off;
PHYSFS_sint64 ptell = PHYSFS_tell(file);
-
+
switch(dir) {
case std::ios_base::beg:
break;
OFileStreambuf::OFileStreambuf(const std::string& filename)
{
- file = PHYSFS_openWrite(filename.c_str());
- if(file == 0) {
- std::stringstream msg;
- msg << "Couldn't open file '" << filename << "': "
- << PHYSFS_getLastError();
- throw std::runtime_error(msg.str());
- }
-
- setp(buf, buf+sizeof(buf));
+ file = PHYSFS_openWrite(filename.c_str());
+ if(file == 0) {
+ std::stringstream msg;
+ msg << "Couldn't open file '" << filename << "': "
+ << PHYSFS_getLastError();
+ throw std::runtime_error(msg.str());
+ }
+
+ setp(buf, buf+sizeof(buf));
}
OFileStreambuf::~OFileStreambuf()
{
- sync();
- PHYSFS_close(file);
+ sync();
+ PHYSFS_close(file);
}
int
OFileStreambuf::overflow(int c)
{
- if(pbase() == pptr())
- return 0;
+ char c2 = (char)c;
- size_t size = pptr() - pbase();
- PHYSFS_sint64 res = PHYSFS_write(file, pbase(), 1, size);
- if(res <= 0)
- return traits_type::eof();
-
- if(c != traits_type::eof()) {
- PHYSFS_sint64 res = PHYSFS_write(file, &c, 1, 1);
- if(res <= 0)
- return traits_type::eof();
- }
-
- setp(buf, buf + res);
+ if(pbase() == pptr())
return 0;
+
+ size_t size = pptr() - pbase();
+ PHYSFS_sint64 res = PHYSFS_write(file, pbase(), 1, size);
+ if(res <= 0)
+ return traits_type::eof();
+
+ if(c != traits_type::eof()) {
+ PHYSFS_sint64 res = PHYSFS_write(file, &c2, 1, 1);
+ if(res <= 0)
+ return traits_type::eof();
+ }
+
+ setp(buf, buf + res);
+ return 0;
}
int
OFileStreambuf::sync()
{
- return overflow(traits_type::eof());
+ return overflow(traits_type::eof());
}
//---------------------------------------------------------------------------
IFileStream::IFileStream(const std::string& filename)
- : std::istream(new IFileStreambuf(filename))
+ : std::istream(new IFileStreambuf(filename))
{
}
IFileStream::~IFileStream()
{
- delete rdbuf();
+ delete rdbuf();
}
//---------------------------------------------------------------------------
OFileStream::OFileStream(const std::string& filename)
- : std::ostream(new OFileStreambuf(filename))
+ : std::ostream(new OFileStreambuf(filename))
{
}
OFileStream::~OFileStream()
{
- delete rdbuf();
+ delete rdbuf();
}
+/* EOF */
projects / supertux.git / blobdiff