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/* $Id: save.cpp,v 1.4 2006/11/05 04:42:43 ganzhorn Exp $
* This file is part of lfhex.
* Copyright (C) 2006 Salem Ganzhorn <eyekode@yahoo.com>
*
* 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 version 2.
*
* 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.
*/
#include <errno.h>
#include <string>
#include <vector>
#include <qmessagebox.h>
#include <sys/types.h>
#include "translate.hpp"
#include "local.h"
#include "delta.hpp"
#include "reader.hpp"
extern int errno;
bool writeDeltas( const string& filename , DeltaMap& dmap )
{
FILE* fptr = fopen( filename.c_str(), "r+" );
if( NULL == fptr ) {
QString message = "Error opening \"";
message += filename.c_str();
message += "\": ";
message += strerror(errno);
QMessageBox::critical( NULL, PROGRAM_STRING,
message,
"Ok");
return false;
}
const Delta * deltaPtr;
for(off_t offset = dmap.lower_bound(0);
offset != -1;
offset = dmap.lower_bound(offset+1)) {
if( fseek(fptr,offset,SEEK_SET) ) {
fclose(fptr);
QString message = "Error seeking to offset ";
message += offset;
message += ": ";
message += strerror(errno);
QMessageBox::critical( NULL, PROGRAM_STRING,
message,
"Ok");
return false;
}
deltaPtr = dmap.search(offset);
fwrite( &(deltaPtr->newData()[0]), sizeof(uchar) ,
deltaPtr->newData().size(), fptr);
}
fclose(fptr);
return true;
}
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