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svn-id: r7241
This commit is contained in:
Chris Apers 2003-05-01 11:30:36 +00:00
parent c77cbc5cb4
commit ee9ff114ab
1 changed files with 0 additions and 114 deletions
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114
backends/PalmOS/Src/saveslot.cpp
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@ -1,114 +0,0 @@
/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2003 The ScummVM project
*
* 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.
*
* $Header$
*
*/
//#include "extras.h"
#include <string.h>
#include "scummsys.h"
#include "saveload.h"
#define MAX_BLOCK 64000
enum SaveLoadState {
STATE_LOAD,
STATE_SAVE,
STATE_NONE
};
class SaveLoadData {
public:
SaveLoadData();
SaveLoadState _currentState;
byte * _readWriteData;
uint32 _readWritePos;
bool _needDump;
};
SaveLoadData current;
SaveLoadData::SaveLoadData()
{
_currentState = STATE_NONE;
_readWritePos = 0;
_needDump = false;
}
bool SerializerStream::fopen(const char *filename, const char *mode)
{
if (current._currentState != STATE_NONE)
fclose();
context = ::fopen(filename, mode);
if (context != NULL) {
current._currentState = ((strcmp(mode,"rb")==0) ? STATE_LOAD : STATE_SAVE);
return true;
}
return false;
}
int SerializerStream::fread(void *buf, int size, int cnt)
{
return ::fread(buf, size, cnt, (FILE *)context);
}
int SerializerStream::fwrite(void *buf, int size, int cnt) {
int fullsize = size*cnt;
if (current._currentState == STATE_SAVE && fullsize<=MAX_BLOCK)
{
if (!current._readWriteData)
current._readWriteData = (byte *)malloc(MAX_BLOCK);
if ((current._readWritePos+fullsize)>MAX_BLOCK) {
::fwrite(current._readWriteData, current._readWritePos, 1, (FILE *)context);
current._readWritePos = 0;
current._needDump = false;
}
memcpy(current._readWriteData + current._readWritePos, buf, fullsize);
current._readWritePos += fullsize;
current._needDump = true;
return cnt;
}
return ::fwrite(buf, size, cnt, (FILE *)context);
}
void SerializerStream::fclose()
{
if (current._needDump && current._readWriteData != NULL) {
if (current._currentState == STATE_SAVE)
::fwrite(current._readWriteData, current._readWritePos, 1, (FILE *)context);
free(current._readWriteData);
current._readWriteData = NULL;
}
current._readWritePos = 0;
current._needDump = false;
current._currentState = STATE_NONE;
::fclose((FILE *)context);
}