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Diffstat (limited to 'backends/fs/psp/psp-stream.cpp')
| -rw-r--r-- | backends/fs/psp/psp-stream.cpp | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/backends/fs/psp/psp-stream.cpp b/backends/fs/psp/psp-stream.cpp deleted file mode 100644 index fac4067f46..0000000000 --- a/backends/fs/psp/psp-stream.cpp +++ /dev/null @@ -1,230 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ -#ifdef __PSP__ - -#include "backends/fs/psp/psp-stream.h" -#include "backends/platform/psp/trace.h" -#include <errno.h> - -PSPIoStream::PSPIoStream(const Common::String &path, bool writeMode) -: StdioStream((void *)1), _path(path), _writeMode(writeMode) { - - assert(!path.empty()); - - _handle = (void *)0; // Need to do this since base class asserts not 0. - - PowerMan.registerSuspend(this); // Register with the powermanager to be suspended - -} - -PSPIoStream::~PSPIoStream() { - PowerMan.unregisterSuspend(this); // Unregister with powermanager to be suspended - // Must do this before fclose() or resume() will reopen. - - fclose((FILE *)_handle); -} - -// Function to open the file pointed to by the path. -// -// -void * PSPIoStream::open() { - if (PowerMan.beginCriticalSection()==PowerManager::Blocked) { - // No need to open. Just return the _handle resume() already opened. - PSPDebugTrace("Suspended in PSPIoStream::open\n"); - } else { - _handle = fopen(_path.c_str(), _writeMode ? "wb" : "rb"); // open - } - - PowerMan.endCriticalSection(); - - return _handle; -} - -bool PSPIoStream::err() const { - bool ret; - - if (PowerMan.beginCriticalSection() == PowerManager::Blocked) - PSPDebugTrace("Suspended in PSPIoStream::err()\n"); - - ret = ferror((FILE *)_handle) != 0; - - PowerMan.endCriticalSection(); - - return ret; -} - -void PSPIoStream::clearErr() { - if (PowerMan.beginCriticalSection() == PowerManager::Blocked) - PSPDebugTrace("Suspended in PSPIoStream::clearErr()\n"); - - clearerr((FILE *)_handle); - - PowerMan.endCriticalSection(); -} - -bool PSPIoStream::eos() const { - bool ret; - - if (PowerMan.beginCriticalSection() == PowerManager::Blocked) - PSPDebugTrace("Suspended in PSPIoStream::eos()\n"); - - ret = feof((FILE *)_handle) != 0; - - PowerMan.endCriticalSection(); - - return ret; -} - -int32 PSPIoStream::pos() const { - int32 ret; - - if (PowerMan.beginCriticalSection() == PowerManager::Blocked) - PSPDebugTrace("Suspended in PSPIoStream::pos()\n"); - - ret = ftell((FILE *)_handle); - - PowerMan.endCriticalSection(); - - return ret; -} - - -int32 PSPIoStream::size() const { - if (PowerMan.beginCriticalSection() == PowerManager::Blocked) - PSPDebugTrace("Suspended in PSPIoStream::size()\n"); - - int32 oldPos = ftell((FILE *)_handle); - fseek((FILE *)_handle, 0, SEEK_END); - int32 length = ftell((FILE *)_handle); - fseek((FILE *)_handle, oldPos, SEEK_SET); - - PowerMan.endCriticalSection(); - - return length; -} - -bool PSPIoStream::seek(int32 offs, int whence) { - int ret = 0; - - // Check if we can access the file - if (PowerMan.beginCriticalSection() == PowerManager::Blocked) - PSPDebugTrace("Suspended in PSPIoStream::seek()\n"); - - ret = fseek((FILE *)_handle, offs, whence); - - PowerMan.endCriticalSection(); - - return ret == 0; -} - -uint32 PSPIoStream::read(void *ptr, uint32 len) { - int ret = 0; - - // Check if we can access the file - if (PowerMan.beginCriticalSection() == PowerManager::Blocked) - PSPDebugTrace("Suspended in PSPIoStream::read()\n"); - - ret = fread((byte *)ptr, 1, len, (FILE *)_handle); - - PowerMan.endCriticalSection(); - - return ret; -} - -uint32 PSPIoStream::write(const void *ptr, uint32 len) { - int ret = 0; - - // Check if we can access the file - if (PowerMan.beginCriticalSection() == PowerManager::Blocked) - PSPDebugTrace("Suspended in PSPIoStream::read()\n"); - - ret = fwrite(ptr, 1, len, (FILE *)_handle); - - PowerMan.endCriticalSection(); - - return ret; -} - -bool PSPIoStream::flush() { - int ret = 0; - - // Check if we can access the file - if (PowerMan.beginCriticalSection() == PowerManager::Blocked) - PSPDebugTrace("Suspended in PSPIoStream::read()\n"); - - ret = fflush((FILE *)_handle); - - PowerMan.endCriticalSection(); - - return ret == 0; -} - -// For the PSP, since we're building in suspend support, we moved opening -// the actual file to an open function since we need an actual PSPIoStream object to suspend. -// -PSPIoStream *PSPIoStream::makeFromPath(const Common::String &path, bool writeMode) { - PSPIoStream *stream = new PSPIoStream(path, writeMode); - - if (stream->open() > 0) { - return stream; - } else { - delete stream; - return 0; - } -} - -/* - * Function to suspend the IO stream (called by PowerManager) - */ -int PSPIoStream::suspend() { - if (_handle > 0) { - _pos = ftell((FILE *)_handle); // Save our position - fclose((FILE *)_handle); // close our file descriptor - _handle = 0; // Set handle to null - } - - return 0; -} - -/* - * Function to resume the IO stream (called by Power Manager) - */ -int PSPIoStream::resume() { - int ret = 0; - - // We reopen our file descriptor - _handle = fopen(_path.c_str(), _writeMode ? "wb" : "rb"); - if (_handle <= 0) { - PSPDebugTrace("PSPIoStream::resume(): Couldn't reopen file %s\n", _path.c_str()); - ret = -1;; - } - - // Resume our previous position - if(_handle > 0) fseek((FILE *)_handle, _pos, SEEK_SET); - - return ret; -} - -#endif /* __PSP__ */ |